From 563f69b870a7f71026c50605b531ed40d667b0a2 Mon Sep 17 00:00:00 2001 From: HampusM Date: Mon, 7 Mar 2022 13:48:57 +0100 Subject: rename arduino core dir to xinput --- cores/xinput/Arduino.h | 260 ++++++++ cores/xinput/CDC.cpp | 25 + cores/xinput/Client.h | 45 ++ cores/xinput/HardwareSerial.cpp | 281 +++++++++ cores/xinput/HardwareSerial.h | 161 +++++ cores/xinput/HardwareSerial0.cpp | 79 +++ cores/xinput/HardwareSerial1.cpp | 69 ++ cores/xinput/HardwareSerial2.cpp | 57 ++ cores/xinput/HardwareSerial3.cpp | 57 ++ cores/xinput/HardwareSerial_private.h | 123 ++++ cores/xinput/IPAddress.cpp | 114 ++++ cores/xinput/IPAddress.h | 78 +++ cores/xinput/PluggableUSB.cpp | 115 ++++ cores/xinput/PluggableUSB.h | 74 +++ cores/xinput/Print.cpp | 266 ++++++++ cores/xinput/Print.h | 93 +++ cores/xinput/Printable.h | 40 ++ cores/xinput/Server.h | 30 + cores/xinput/Stream.cpp | 318 ++++++++++ cores/xinput/Stream.h | 129 ++++ cores/xinput/Tone.cpp | 619 ++++++++++++++++++ cores/xinput/USBAPI.h | 189 ++++++ cores/xinput/USBCore.cpp | 834 +++++++++++++++++++++++++ cores/xinput/USBCore.h | 197 ++++++ cores/xinput/USBDesc.h | 29 + cores/xinput/Udp.h | 89 +++ cores/xinput/WCharacter.h | 168 +++++ cores/xinput/WInterrupts.c | 379 +++++++++++ cores/xinput/WMath.cpp | 58 ++ cores/xinput/WString.cpp | 750 ++++++++++++++++++++++ cores/xinput/WString.h | 229 +++++++ cores/xinput/abi.cpp | 36 ++ cores/xinput/binary.h | 534 ++++++++++++++++ cores/xinput/hooks.c | 31 + cores/xinput/main.cpp | 52 ++ cores/xinput/new | 66 ++ cores/xinput/new.cpp | 117 ++++ cores/xinput/new.h | 3 + cores/xinput/wiring.c | 392 ++++++++++++ cores/xinput/wiring_analog.c | 286 +++++++++ cores/xinput/wiring_digital.c | 179 ++++++ cores/xinput/wiring_private.h | 72 +++ cores/xinput/wiring_pulse.S | 178 ++++++ cores/xinput/wiring_pulse.c | 93 +++ cores/xinput/wiring_shift.c | 56 ++ cores/xinput/xinput/USB_XInput_API.cpp | 57 ++ cores/xinput/xinput/USB_XInput_API.h | 51 ++ cores/xinput/xinput/USB_XInput_Descriptors.cpp | 210 +++++++ cores/xinput/xinput/USB_XInput_Descriptors.h | 53 ++ 49 files changed, 8421 insertions(+) create mode 100644 cores/xinput/Arduino.h create mode 100644 cores/xinput/CDC.cpp create mode 100644 cores/xinput/Client.h create mode 100644 cores/xinput/HardwareSerial.cpp create mode 100644 cores/xinput/HardwareSerial.h create mode 100644 cores/xinput/HardwareSerial0.cpp create mode 100644 cores/xinput/HardwareSerial1.cpp create mode 100644 cores/xinput/HardwareSerial2.cpp create mode 100644 cores/xinput/HardwareSerial3.cpp create mode 100644 cores/xinput/HardwareSerial_private.h create mode 100644 cores/xinput/IPAddress.cpp create mode 100644 cores/xinput/IPAddress.h create mode 100644 cores/xinput/PluggableUSB.cpp create mode 100644 cores/xinput/PluggableUSB.h create mode 100644 cores/xinput/Print.cpp create mode 100644 cores/xinput/Print.h create mode 100644 cores/xinput/Printable.h create mode 100644 cores/xinput/Server.h create mode 100644 cores/xinput/Stream.cpp create mode 100644 cores/xinput/Stream.h create mode 100644 cores/xinput/Tone.cpp create mode 100644 cores/xinput/USBAPI.h create mode 100644 cores/xinput/USBCore.cpp create mode 100644 cores/xinput/USBCore.h create mode 100644 cores/xinput/USBDesc.h create mode 100644 cores/xinput/Udp.h create mode 100644 cores/xinput/WCharacter.h create mode 100644 cores/xinput/WInterrupts.c create mode 100644 cores/xinput/WMath.cpp create mode 100644 cores/xinput/WString.cpp create mode 100644 cores/xinput/WString.h create mode 100644 cores/xinput/abi.cpp create mode 100644 cores/xinput/binary.h create mode 100644 cores/xinput/hooks.c create mode 100644 cores/xinput/main.cpp create mode 100644 cores/xinput/new create mode 100644 cores/xinput/new.cpp create mode 100644 cores/xinput/new.h create mode 100644 cores/xinput/wiring.c create mode 100644 cores/xinput/wiring_analog.c create mode 100644 cores/xinput/wiring_digital.c create mode 100644 cores/xinput/wiring_private.h create mode 100644 cores/xinput/wiring_pulse.S create mode 100644 cores/xinput/wiring_pulse.c create mode 100644 cores/xinput/wiring_shift.c create mode 100644 cores/xinput/xinput/USB_XInput_API.cpp create mode 100644 cores/xinput/xinput/USB_XInput_API.h create mode 100644 cores/xinput/xinput/USB_XInput_Descriptors.cpp create mode 100644 cores/xinput/xinput/USB_XInput_Descriptors.h (limited to 'cores/xinput') diff --git a/cores/xinput/Arduino.h b/cores/xinput/Arduino.h new file mode 100644 index 0000000..91eeb16 --- /dev/null +++ b/cores/xinput/Arduino.h @@ -0,0 +1,260 @@ +/* + Arduino.h - Main include file for the Arduino SDK + Copyright (c) 2005-2013 Arduino Team. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef Arduino_h +#define Arduino_h + +#include +#include +#include +#include + +#include +#include +#include + +#include "binary.h" + +#ifdef __cplusplus +extern "C"{ +#endif + +void yield(void); + +#define HIGH 0x1 +#define LOW 0x0 + +#define INPUT 0x0 +#define OUTPUT 0x1 +#define INPUT_PULLUP 0x2 + +#define PI 3.1415926535897932384626433832795 +#define HALF_PI 1.5707963267948966192313216916398 +#define TWO_PI 6.283185307179586476925286766559 +#define DEG_TO_RAD 0.017453292519943295769236907684886 +#define RAD_TO_DEG 57.295779513082320876798154814105 +#define EULER 2.718281828459045235360287471352 + +#define SERIAL 0x0 +#define DISPLAY 0x1 + +#define LSBFIRST 0 +#define MSBFIRST 1 + +#define CHANGE 1 +#define FALLING 2 +#define RISING 3 + +#if defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) + #define DEFAULT 0 + #define EXTERNAL 1 + #define INTERNAL1V1 2 + #define INTERNAL INTERNAL1V1 +#elif defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) + #define DEFAULT 0 + #define EXTERNAL 4 + #define INTERNAL1V1 8 + #define INTERNAL INTERNAL1V1 + #define INTERNAL2V56 9 + #define INTERNAL2V56_EXTCAP 13 +#else +#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) +#define INTERNAL1V1 2 +#define INTERNAL2V56 3 +#else +#define INTERNAL 3 +#endif +#define DEFAULT 1 +#define EXTERNAL 0 +#endif + +// undefine stdlib's abs if encountered +#ifdef abs +#undef abs +#endif + +#define min(a,b) ((a)<(b)?(a):(b)) +#define max(a,b) ((a)>(b)?(a):(b)) +#define abs(x) ((x)>0?(x):-(x)) +#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt))) +#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5)) +#define radians(deg) ((deg)*DEG_TO_RAD) +#define degrees(rad) ((rad)*RAD_TO_DEG) +#define sq(x) ((x)*(x)) + +#define interrupts() sei() +#define noInterrupts() cli() + +#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L ) +#define clockCyclesToMicroseconds(a) ( (a) / clockCyclesPerMicrosecond() ) +#define microsecondsToClockCycles(a) ( (a) * clockCyclesPerMicrosecond() ) + +#define lowByte(w) ((uint8_t) ((w) & 0xff)) +#define highByte(w) ((uint8_t) ((w) >> 8)) + +#define bitRead(value, bit) (((value) >> (bit)) & 0x01) +#define bitSet(value, bit) ((value) |= (1UL << (bit))) +#define bitClear(value, bit) ((value) &= ~(1UL << (bit))) +#define bitToggle(value, bit) ((value) ^= (1UL << (bit))) +#define bitWrite(value, bit, bitvalue) ((bitvalue) ? bitSet(value, bit) : bitClear(value, bit)) + +// avr-libc defines _NOP() since 1.6.2 +#ifndef _NOP +#define _NOP() do { __asm__ volatile ("nop"); } while (0) +#endif + +typedef unsigned int word; + +#define bit(b) (1UL << (b)) + +typedef bool boolean; +typedef uint8_t byte; + +void init(void); +void initVariant(void); + +int atexit(void (*func)()) __attribute__((weak)); + +void pinMode(uint8_t pin, uint8_t mode); +void digitalWrite(uint8_t pin, uint8_t val); +int digitalRead(uint8_t pin); +int analogRead(uint8_t pin); +void analogReference(uint8_t mode); +void analogWrite(uint8_t pin, int val); + +unsigned long millis(void); +unsigned long micros(void); +void delay(unsigned long ms); +void delayMicroseconds(unsigned int us); +unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout); +unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout); + +void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val); +uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder); + +void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode); +void detachInterrupt(uint8_t interruptNum); + +void setup(void); +void loop(void); + +// Get the bit location within the hardware port of the given virtual pin. +// This comes from the pins_*.c file for the active board configuration. + +#define analogInPinToBit(P) (P) + +// On the ATmega1280, the addresses of some of the port registers are +// greater than 255, so we can't store them in uint8_t's. +extern const uint16_t PROGMEM port_to_mode_PGM[]; +extern const uint16_t PROGMEM port_to_input_PGM[]; +extern const uint16_t PROGMEM port_to_output_PGM[]; + +extern const uint8_t PROGMEM digital_pin_to_port_PGM[]; +// extern const uint8_t PROGMEM digital_pin_to_bit_PGM[]; +extern const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[]; +extern const uint8_t PROGMEM digital_pin_to_timer_PGM[]; + +// Get the bit location within the hardware port of the given virtual pin. +// This comes from the pins_*.c file for the active board configuration. +// +// These perform slightly better as macros compared to inline functions +// +#define digitalPinToPort(P) ( pgm_read_byte( digital_pin_to_port_PGM + (P) ) ) +#define digitalPinToBitMask(P) ( pgm_read_byte( digital_pin_to_bit_mask_PGM + (P) ) ) +#define digitalPinToTimer(P) ( pgm_read_byte( digital_pin_to_timer_PGM + (P) ) ) +#define analogInPinToBit(P) (P) +#define portOutputRegister(P) ( (volatile uint8_t *)( pgm_read_word( port_to_output_PGM + (P))) ) +#define portInputRegister(P) ( (volatile uint8_t *)( pgm_read_word( port_to_input_PGM + (P))) ) +#define portModeRegister(P) ( (volatile uint8_t *)( pgm_read_word( port_to_mode_PGM + (P))) ) + +#define NOT_A_PIN 0 +#define NOT_A_PORT 0 + +#define NOT_AN_INTERRUPT -1 + +#ifdef ARDUINO_MAIN +#define PA 1 +#define PB 2 +#define PC 3 +#define PD 4 +#define PE 5 +#define PF 6 +#define PG 7 +#define PH 8 +#define PJ 10 +#define PK 11 +#define PL 12 +#endif + +#define NOT_ON_TIMER 0 +#define TIMER0A 1 +#define TIMER0B 2 +#define TIMER1A 3 +#define TIMER1B 4 +#define TIMER1C 5 +#define TIMER2 6 +#define TIMER2A 7 +#define TIMER2B 8 + +#define TIMER3A 9 +#define TIMER3B 10 +#define TIMER3C 11 +#define TIMER4A 12 +#define TIMER4B 13 +#define TIMER4C 14 +#define TIMER4D 15 +#define TIMER5A 16 +#define TIMER5B 17 +#define TIMER5C 18 + +#ifdef __cplusplus +} // extern "C" +#endif + +#ifdef __cplusplus +#include "WCharacter.h" +#include "WString.h" +#include "HardwareSerial.h" +#include "USBAPI.h" +#if defined(HAVE_HWSERIAL0) && defined(HAVE_CDCSERIAL) +#error "Targets with both UART0 and CDC serial not supported" +#endif + +uint16_t makeWord(uint16_t w); +uint16_t makeWord(byte h, byte l); + +#define word(...) makeWord(__VA_ARGS__) + +unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L); +unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L); + +void tone(uint8_t _pin, unsigned int frequency, unsigned long duration = 0); +void noTone(uint8_t _pin); + +// WMath prototypes +long random(long); +long random(long, long); +void randomSeed(unsigned long); +long map(long, long, long, long, long); + +#endif + +#include "pins_arduino.h" + +#endif diff --git a/cores/xinput/CDC.cpp b/cores/xinput/CDC.cpp new file mode 100644 index 0000000..a6bce17 --- /dev/null +++ b/cores/xinput/CDC.cpp @@ -0,0 +1,25 @@ + + +/* Copyright (c) 2011, Peter Barrett +** +** Permission to use, copy, modify, and/or distribute this software for +** any purpose with or without fee is hereby granted, provided that the +** above copyright notice and this permission notice appear in all copies. +** +** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL +** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR +** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES +** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +** SOFTWARE. +*/ + +#include "USBAPI.h" + +#if defined(USBCON) + +Serial_ Serial; + +#endif /* if defined(USBCON) */ diff --git a/cores/xinput/Client.h b/cores/xinput/Client.h new file mode 100644 index 0000000..b8e5d93 --- /dev/null +++ b/cores/xinput/Client.h @@ -0,0 +1,45 @@ +/* + Client.h - Base class that provides Client + Copyright (c) 2011 Adrian McEwen. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef client_h +#define client_h +#include "Print.h" +#include "Stream.h" +#include "IPAddress.h" + +class Client : public Stream { + +public: + virtual int connect(IPAddress ip, uint16_t port) =0; + virtual int connect(const char *host, uint16_t port) =0; + virtual size_t write(uint8_t) =0; + virtual size_t write(const uint8_t *buf, size_t size) =0; + virtual int available() = 0; + virtual int read() = 0; + virtual int read(uint8_t *buf, size_t size) = 0; + virtual int peek() = 0; + virtual void flush() = 0; + virtual void stop() = 0; + virtual uint8_t connected() = 0; + virtual operator bool() = 0; +protected: + uint8_t* rawIPAddress(IPAddress& addr) { return addr.raw_address(); }; +}; + +#endif diff --git a/cores/xinput/HardwareSerial.cpp b/cores/xinput/HardwareSerial.cpp new file mode 100644 index 0000000..561127f --- /dev/null +++ b/cores/xinput/HardwareSerial.cpp @@ -0,0 +1,281 @@ +/* + HardwareSerial.cpp - Hardware serial library for Wiring + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 23 November 2006 by David A. Mellis + Modified 28 September 2010 by Mark Sproul + Modified 14 August 2012 by Alarus + Modified 3 December 2013 by Matthijs Kooijman +*/ + +#include +#include +#include +#include +#include +#include "Arduino.h" + +#include "HardwareSerial.h" +#include "HardwareSerial_private.h" + +// this next line disables the entire HardwareSerial.cpp, +// this is so I can support Attiny series and any other chip without a uart +#if defined(HAVE_HWSERIAL0) || defined(HAVE_HWSERIAL1) || defined(HAVE_HWSERIAL2) || defined(HAVE_HWSERIAL3) + +// SerialEvent functions are weak, so when the user doesn't define them, +// the linker just sets their address to 0 (which is checked below). +// The Serialx_available is just a wrapper around Serialx.available(), +// but we can refer to it weakly so we don't pull in the entire +// HardwareSerial instance if the user doesn't also refer to it. +#if defined(HAVE_HWSERIAL0) + void serialEvent() __attribute__((weak)); + bool Serial0_available() __attribute__((weak)); +#endif + +#if defined(HAVE_HWSERIAL1) + void serialEvent1() __attribute__((weak)); + bool Serial1_available() __attribute__((weak)); +#endif + +#if defined(HAVE_HWSERIAL2) + void serialEvent2() __attribute__((weak)); + bool Serial2_available() __attribute__((weak)); +#endif + +#if defined(HAVE_HWSERIAL3) + void serialEvent3() __attribute__((weak)); + bool Serial3_available() __attribute__((weak)); +#endif + +void serialEventRun(void) +{ +#if defined(HAVE_HWSERIAL0) + if (Serial0_available && serialEvent && Serial0_available()) serialEvent(); +#endif +#if defined(HAVE_HWSERIAL1) + if (Serial1_available && serialEvent1 && Serial1_available()) serialEvent1(); +#endif +#if defined(HAVE_HWSERIAL2) + if (Serial2_available && serialEvent2 && Serial2_available()) serialEvent2(); +#endif +#if defined(HAVE_HWSERIAL3) + if (Serial3_available && serialEvent3 && Serial3_available()) serialEvent3(); +#endif +} + +// macro to guard critical sections when needed for large TX buffer sizes +#if (SERIAL_TX_BUFFER_SIZE>256) +#define TX_BUFFER_ATOMIC ATOMIC_BLOCK(ATOMIC_RESTORESTATE) +#else +#define TX_BUFFER_ATOMIC +#endif + +// Actual interrupt handlers ////////////////////////////////////////////////////////////// + +void HardwareSerial::_tx_udr_empty_irq(void) +{ + // If interrupts are enabled, there must be more data in the output + // buffer. Send the next byte + unsigned char c = _tx_buffer[_tx_buffer_tail]; + _tx_buffer_tail = (_tx_buffer_tail + 1) % SERIAL_TX_BUFFER_SIZE; + + *_udr = c; + + // clear the TXC bit -- "can be cleared by writing a one to its bit + // location". This makes sure flush() won't return until the bytes + // actually got written. Other r/w bits are preserved, and zeroes + // written to the rest. + +#ifdef MPCM0 + *_ucsra = ((*_ucsra) & ((1 << U2X0) | (1 << MPCM0))) | (1 << TXC0); +#else + *_ucsra = ((*_ucsra) & ((1 << U2X0) | (1 << TXC0))); +#endif + + if (_tx_buffer_head == _tx_buffer_tail) { + // Buffer empty, so disable interrupts + cbi(*_ucsrb, UDRIE0); + } +} + +// Public Methods ////////////////////////////////////////////////////////////// + +void HardwareSerial::begin(unsigned long baud, byte config) +{ + // Try u2x mode first + uint16_t baud_setting = (F_CPU / 4 / baud - 1) / 2; + *_ucsra = 1 << U2X0; + + // hardcoded exception for 57600 for compatibility with the bootloader + // shipped with the Duemilanove and previous boards and the firmware + // on the 8U2 on the Uno and Mega 2560. Also, The baud_setting cannot + // be > 4095, so switch back to non-u2x mode if the baud rate is too + // low. + if (((F_CPU == 16000000UL) && (baud == 57600)) || (baud_setting >4095)) + { + *_ucsra = 0; + baud_setting = (F_CPU / 8 / baud - 1) / 2; + } + + // assign the baud_setting, a.k.a. ubrr (USART Baud Rate Register) + *_ubrrh = baud_setting >> 8; + *_ubrrl = baud_setting; + + _written = false; + + //set the data bits, parity, and stop bits +#if defined(__AVR_ATmega8__) + config |= 0x80; // select UCSRC register (shared with UBRRH) +#endif + *_ucsrc = config; + + sbi(*_ucsrb, RXEN0); + sbi(*_ucsrb, TXEN0); + sbi(*_ucsrb, RXCIE0); + cbi(*_ucsrb, UDRIE0); +} + +void HardwareSerial::end() +{ + // wait for transmission of outgoing data + flush(); + + cbi(*_ucsrb, RXEN0); + cbi(*_ucsrb, TXEN0); + cbi(*_ucsrb, RXCIE0); + cbi(*_ucsrb, UDRIE0); + + // clear any received data + _rx_buffer_head = _rx_buffer_tail; +} + +int HardwareSerial::available(void) +{ + return ((unsigned int)(SERIAL_RX_BUFFER_SIZE + _rx_buffer_head - _rx_buffer_tail)) % SERIAL_RX_BUFFER_SIZE; +} + +int HardwareSerial::peek(void) +{ + if (_rx_buffer_head == _rx_buffer_tail) { + return -1; + } else { + return _rx_buffer[_rx_buffer_tail]; + } +} + +int HardwareSerial::read(void) +{ + // if the head isn't ahead of the tail, we don't have any characters + if (_rx_buffer_head == _rx_buffer_tail) { + return -1; + } else { + unsigned char c = _rx_buffer[_rx_buffer_tail]; + _rx_buffer_tail = (rx_buffer_index_t)(_rx_buffer_tail + 1) % SERIAL_RX_BUFFER_SIZE; + return c; + } +} + +int HardwareSerial::availableForWrite(void) +{ + tx_buffer_index_t head; + tx_buffer_index_t tail; + + TX_BUFFER_ATOMIC { + head = _tx_buffer_head; + tail = _tx_buffer_tail; + } + if (head >= tail) return SERIAL_TX_BUFFER_SIZE - 1 - head + tail; + return tail - head - 1; +} + +void HardwareSerial::flush() +{ + // If we have never written a byte, no need to flush. This special + // case is needed since there is no way to force the TXC (transmit + // complete) bit to 1 during initialization + if (!_written) + return; + + while (bit_is_set(*_ucsrb, UDRIE0) || bit_is_clear(*_ucsra, TXC0)) { + if (bit_is_clear(SREG, SREG_I) && bit_is_set(*_ucsrb, UDRIE0)) + // Interrupts are globally disabled, but the DR empty + // interrupt should be enabled, so poll the DR empty flag to + // prevent deadlock + if (bit_is_set(*_ucsra, UDRE0)) + _tx_udr_empty_irq(); + } + // If we get here, nothing is queued anymore (DRIE is disabled) and + // the hardware finished transmission (TXC is set). +} + +size_t HardwareSerial::write(uint8_t c) +{ + _written = true; + // If the buffer and the data register is empty, just write the byte + // to the data register and be done. This shortcut helps + // significantly improve the effective datarate at high (> + // 500kbit/s) bitrates, where interrupt overhead becomes a slowdown. + if (_tx_buffer_head == _tx_buffer_tail && bit_is_set(*_ucsra, UDRE0)) { + // If TXC is cleared before writing UDR and the previous byte + // completes before writing to UDR, TXC will be set but a byte + // is still being transmitted causing flush() to return too soon. + // So writing UDR must happen first. + // Writing UDR and clearing TC must be done atomically, otherwise + // interrupts might delay the TXC clear so the byte written to UDR + // is transmitted (setting TXC) before clearing TXC. Then TXC will + // be cleared when no bytes are left, causing flush() to hang + ATOMIC_BLOCK(ATOMIC_RESTORESTATE) { + *_udr = c; +#ifdef MPCM0 + *_ucsra = ((*_ucsra) & ((1 << U2X0) | (1 << MPCM0))) | (1 << TXC0); +#else + *_ucsra = ((*_ucsra) & ((1 << U2X0) | (1 << TXC0))); +#endif + } + return 1; + } + tx_buffer_index_t i = (_tx_buffer_head + 1) % SERIAL_TX_BUFFER_SIZE; + + // If the output buffer is full, there's nothing for it other than to + // wait for the interrupt handler to empty it a bit + while (i == _tx_buffer_tail) { + if (bit_is_clear(SREG, SREG_I)) { + // Interrupts are disabled, so we'll have to poll the data + // register empty flag ourselves. If it is set, pretend an + // interrupt has happened and call the handler to free up + // space for us. + if(bit_is_set(*_ucsra, UDRE0)) + _tx_udr_empty_irq(); + } else { + // nop, the interrupt handler will free up space for us + } + } + + _tx_buffer[_tx_buffer_head] = c; + + // make atomic to prevent execution of ISR between setting the + // head pointer and setting the interrupt flag resulting in buffer + // retransmission + ATOMIC_BLOCK(ATOMIC_RESTORESTATE) { + _tx_buffer_head = i; + sbi(*_ucsrb, UDRIE0); + } + + return 1; +} + +#endif // whole file diff --git a/cores/xinput/HardwareSerial.h b/cores/xinput/HardwareSerial.h new file mode 100644 index 0000000..6ff29d0 --- /dev/null +++ b/cores/xinput/HardwareSerial.h @@ -0,0 +1,161 @@ +/* + HardwareSerial.h - Hardware serial library for Wiring + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 28 September 2010 by Mark Sproul + Modified 14 August 2012 by Alarus + Modified 3 December 2013 by Matthijs Kooijman +*/ + +#ifndef HardwareSerial_h +#define HardwareSerial_h + +#include + +#include "Stream.h" + +// Define constants and variables for buffering incoming serial data. We're +// using a ring buffer (I think), in which head is the index of the location +// to which to write the next incoming character and tail is the index of the +// location from which to read. +// NOTE: a "power of 2" buffer size is recommended to dramatically +// optimize all the modulo operations for ring buffers. +// WARNING: When buffer sizes are increased to > 256, the buffer index +// variables are automatically increased in size, but the extra +// atomicity guards needed for that are not implemented. This will +// often work, but occasionally a race condition can occur that makes +// Serial behave erratically. See https://github.com/arduino/Arduino/issues/2405 +#if !defined(SERIAL_TX_BUFFER_SIZE) +#if ((RAMEND - RAMSTART) < 1023) +#define SERIAL_TX_BUFFER_SIZE 16 +#else +#define SERIAL_TX_BUFFER_SIZE 64 +#endif +#endif +#if !defined(SERIAL_RX_BUFFER_SIZE) +#if ((RAMEND - RAMSTART) < 1023) +#define SERIAL_RX_BUFFER_SIZE 16 +#else +#define SERIAL_RX_BUFFER_SIZE 64 +#endif +#endif +#if (SERIAL_TX_BUFFER_SIZE>256) +typedef uint16_t tx_buffer_index_t; +#else +typedef uint8_t tx_buffer_index_t; +#endif +#if (SERIAL_RX_BUFFER_SIZE>256) +typedef uint16_t rx_buffer_index_t; +#else +typedef uint8_t rx_buffer_index_t; +#endif + +// Define config for Serial.begin(baud, config); +#define SERIAL_5N1 0x00 +#define SERIAL_6N1 0x02 +#define SERIAL_7N1 0x04 +#define SERIAL_8N1 0x06 +#define SERIAL_5N2 0x08 +#define SERIAL_6N2 0x0A +#define SERIAL_7N2 0x0C +#define SERIAL_8N2 0x0E +#define SERIAL_5E1 0x20 +#define SERIAL_6E1 0x22 +#define SERIAL_7E1 0x24 +#define SERIAL_8E1 0x26 +#define SERIAL_5E2 0x28 +#define SERIAL_6E2 0x2A +#define SERIAL_7E2 0x2C +#define SERIAL_8E2 0x2E +#define SERIAL_5O1 0x30 +#define SERIAL_6O1 0x32 +#define SERIAL_7O1 0x34 +#define SERIAL_8O1 0x36 +#define SERIAL_5O2 0x38 +#define SERIAL_6O2 0x3A +#define SERIAL_7O2 0x3C +#define SERIAL_8O2 0x3E + +class HardwareSerial : public Stream +{ + protected: + volatile uint8_t * const _ubrrh; + volatile uint8_t * const _ubrrl; + volatile uint8_t * const _ucsra; + volatile uint8_t * const _ucsrb; + volatile uint8_t * const _ucsrc; + volatile uint8_t * const _udr; + // Has any byte been written to the UART since begin() + bool _written; + + volatile rx_buffer_index_t _rx_buffer_head; + volatile rx_buffer_index_t _rx_buffer_tail; + volatile tx_buffer_index_t _tx_buffer_head; + volatile tx_buffer_index_t _tx_buffer_tail; + + // Don't put any members after these buffers, since only the first + // 32 bytes of this struct can be accessed quickly using the ldd + // instruction. + unsigned char _rx_buffer[SERIAL_RX_BUFFER_SIZE]; + unsigned char _tx_buffer[SERIAL_TX_BUFFER_SIZE]; + + public: + inline HardwareSerial( + volatile uint8_t *ubrrh, volatile uint8_t *ubrrl, + volatile uint8_t *ucsra, volatile uint8_t *ucsrb, + volatile uint8_t *ucsrc, volatile uint8_t *udr); + void begin(unsigned long baud) { begin(baud, SERIAL_8N1); } + void begin(unsigned long, uint8_t); + void end(); + virtual int available(void); + virtual int peek(void); + virtual int read(void); + virtual int availableForWrite(void); + virtual void flush(void); + virtual size_t write(uint8_t); + inline size_t write(unsigned long n) { return write((uint8_t)n); } + inline size_t write(long n) { return write((uint8_t)n); } + inline size_t write(unsigned int n) { return write((uint8_t)n); } + inline size_t write(int n) { return write((uint8_t)n); } + using Print::write; // pull in write(str) and write(buf, size) from Print + operator bool() { return true; } + + // Interrupt handlers - Not intended to be called externally + inline void _rx_complete_irq(void); + void _tx_udr_empty_irq(void); +}; + +#if defined(UBRRH) || defined(UBRR0H) + extern HardwareSerial Serial; + #define HAVE_HWSERIAL0 +#endif +#if defined(UBRR1H) + extern HardwareSerial Serial1; + #define HAVE_HWSERIAL1 +#endif +#if defined(UBRR2H) + extern HardwareSerial Serial2; + #define HAVE_HWSERIAL2 +#endif +#if defined(UBRR3H) + extern HardwareSerial Serial3; + #define HAVE_HWSERIAL3 +#endif + +extern void serialEventRun(void) __attribute__((weak)); + +#endif diff --git a/cores/xinput/HardwareSerial0.cpp b/cores/xinput/HardwareSerial0.cpp new file mode 100644 index 0000000..7d47ed2 --- /dev/null +++ b/cores/xinput/HardwareSerial0.cpp @@ -0,0 +1,79 @@ +/* + HardwareSerial0.cpp - Hardware serial library for Wiring + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 23 November 2006 by David A. Mellis + Modified 28 September 2010 by Mark Sproul + Modified 14 August 2012 by Alarus + Modified 3 December 2013 by Matthijs Kooijman +*/ + +#include "Arduino.h" +#include "HardwareSerial.h" +#include "HardwareSerial_private.h" + +// Each HardwareSerial is defined in its own file, since the linker pulls +// in the entire file when any element inside is used. --gc-sections can +// additionally cause unused symbols to be dropped, but ISRs have the +// "used" attribute so are never dropped and they keep the +// HardwareSerial instance in as well. Putting each instance in its own +// file prevents the linker from pulling in any unused instances in the +// first place. + +#if defined(HAVE_HWSERIAL0) + +#if defined(USART_RX_vect) + ISR(USART_RX_vect) +#elif defined(USART0_RX_vect) + ISR(USART0_RX_vect) +#elif defined(USART_RXC_vect) + ISR(USART_RXC_vect) // ATmega8 +#else + #error "Don't know what the Data Received vector is called for Serial" +#endif + { + Serial._rx_complete_irq(); + } + +#if defined(UART0_UDRE_vect) +ISR(UART0_UDRE_vect) +#elif defined(UART_UDRE_vect) +ISR(UART_UDRE_vect) +#elif defined(USART0_UDRE_vect) +ISR(USART0_UDRE_vect) +#elif defined(USART_UDRE_vect) +ISR(USART_UDRE_vect) +#else + #error "Don't know what the Data Register Empty vector is called for Serial" +#endif +{ + Serial._tx_udr_empty_irq(); +} + +#if defined(UBRRH) && defined(UBRRL) + HardwareSerial Serial(&UBRRH, &UBRRL, &UCSRA, &UCSRB, &UCSRC, &UDR); +#else + HardwareSerial Serial(&UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UCSR0C, &UDR0); +#endif + +// Function that can be weakly referenced by serialEventRun to prevent +// pulling in this file if it's not otherwise used. +bool Serial0_available() { + return Serial.available(); +} + +#endif // HAVE_HWSERIAL0 diff --git a/cores/xinput/HardwareSerial1.cpp b/cores/xinput/HardwareSerial1.cpp new file mode 100644 index 0000000..a345cdb --- /dev/null +++ b/cores/xinput/HardwareSerial1.cpp @@ -0,0 +1,69 @@ +/* + HardwareSerial1.cpp - Hardware serial library for Wiring + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 23 November 2006 by David A. Mellis + Modified 28 September 2010 by Mark Sproul + Modified 14 August 2012 by Alarus + Modified 3 December 2013 by Matthijs Kooijman +*/ + +#include "Arduino.h" +#include "HardwareSerial.h" +#include "HardwareSerial_private.h" + +// Each HardwareSerial is defined in its own file, since the linker pulls +// in the entire file when any element inside is used. --gc-sections can +// additionally cause unused symbols to be dropped, but ISRs have the +// "used" attribute so are never dropped and they keep the +// HardwareSerial instance in as well. Putting each instance in its own +// file prevents the linker from pulling in any unused instances in the +// first place. + +#if defined(HAVE_HWSERIAL1) + +#if defined(UART1_RX_vect) +ISR(UART1_RX_vect) +#elif defined(USART1_RX_vect) +ISR(USART1_RX_vect) +#else +#error "Don't know what the Data Register Empty vector is called for Serial1" +#endif +{ + Serial1._rx_complete_irq(); +} + +#if defined(UART1_UDRE_vect) +ISR(UART1_UDRE_vect) +#elif defined(USART1_UDRE_vect) +ISR(USART1_UDRE_vect) +#else +#error "Don't know what the Data Register Empty vector is called for Serial1" +#endif +{ + Serial1._tx_udr_empty_irq(); +} + +HardwareSerial Serial1(&UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1); + +// Function that can be weakly referenced by serialEventRun to prevent +// pulling in this file if it's not otherwise used. +bool Serial1_available() { + return Serial1.available(); +} + +#endif // HAVE_HWSERIAL1 diff --git a/cores/xinput/HardwareSerial2.cpp b/cores/xinput/HardwareSerial2.cpp new file mode 100644 index 0000000..8e433b6 --- /dev/null +++ b/cores/xinput/HardwareSerial2.cpp @@ -0,0 +1,57 @@ +/* + HardwareSerial2.cpp - Hardware serial library for Wiring + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 23 November 2006 by David A. Mellis + Modified 28 September 2010 by Mark Sproul + Modified 14 August 2012 by Alarus + Modified 3 December 2013 by Matthijs Kooijman +*/ + +#include "Arduino.h" +#include "HardwareSerial.h" +#include "HardwareSerial_private.h" + +// Each HardwareSerial is defined in its own file, since the linker pulls +// in the entire file when any element inside is used. --gc-sections can +// additionally cause unused symbols to be dropped, but ISRs have the +// "used" attribute so are never dropped and they keep the +// HardwareSerial instance in as well. Putting each instance in its own +// file prevents the linker from pulling in any unused instances in the +// first place. + +#if defined(HAVE_HWSERIAL2) + +ISR(USART2_RX_vect) +{ + Serial2._rx_complete_irq(); +} + +ISR(USART2_UDRE_vect) +{ + Serial2._tx_udr_empty_irq(); +} + +HardwareSerial Serial2(&UBRR2H, &UBRR2L, &UCSR2A, &UCSR2B, &UCSR2C, &UDR2); + +// Function that can be weakly referenced by serialEventRun to prevent +// pulling in this file if it's not otherwise used. +bool Serial2_available() { + return Serial2.available(); +} + +#endif // HAVE_HWSERIAL2 diff --git a/cores/xinput/HardwareSerial3.cpp b/cores/xinput/HardwareSerial3.cpp new file mode 100644 index 0000000..26aaee8 --- /dev/null +++ b/cores/xinput/HardwareSerial3.cpp @@ -0,0 +1,57 @@ +/* + HardwareSerial3.cpp - Hardware serial library for Wiring + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 23 November 2006 by David A. Mellis + Modified 28 September 2010 by Mark Sproul + Modified 14 August 2012 by Alarus + Modified 3 December 2013 by Matthijs Kooijman +*/ + +#include "Arduino.h" +#include "HardwareSerial.h" +#include "HardwareSerial_private.h" + +// Each HardwareSerial is defined in its own file, since the linker pulls +// in the entire file when any element inside is used. --gc-sections can +// additionally cause unused symbols to be dropped, but ISRs have the +// "used" attribute so are never dropped and they keep the +// HardwareSerial instance in as well. Putting each instance in its own +// file prevents the linker from pulling in any unused instances in the +// first place. + +#if defined(HAVE_HWSERIAL3) + +ISR(USART3_RX_vect) +{ + Serial3._rx_complete_irq(); +} + +ISR(USART3_UDRE_vect) +{ + Serial3._tx_udr_empty_irq(); +} + +HardwareSerial Serial3(&UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3); + +// Function that can be weakly referenced by serialEventRun to prevent +// pulling in this file if it's not otherwise used. +bool Serial3_available() { + return Serial3.available(); +} + +#endif // HAVE_HWSERIAL3 diff --git a/cores/xinput/HardwareSerial_private.h b/cores/xinput/HardwareSerial_private.h new file mode 100644 index 0000000..2e23cec --- /dev/null +++ b/cores/xinput/HardwareSerial_private.h @@ -0,0 +1,123 @@ +/* + HardwareSerial_private.h - Hardware serial library for Wiring + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 23 November 2006 by David A. Mellis + Modified 28 September 2010 by Mark Sproul + Modified 14 August 2012 by Alarus +*/ + +#include "wiring_private.h" + +// this next line disables the entire HardwareSerial.cpp, +// this is so I can support Attiny series and any other chip without a uart +#if defined(HAVE_HWSERIAL0) || defined(HAVE_HWSERIAL1) || defined(HAVE_HWSERIAL2) || defined(HAVE_HWSERIAL3) + +// Ensure that the various bit positions we use are available with a 0 +// postfix, so we can always use the values for UART0 for all UARTs. The +// alternative, passing the various values for each UART to the +// HardwareSerial constructor also works, but makes the code bigger and +// slower. +#if !defined(TXC0) +#if defined(TXC) +// Some chips like ATmega8 don't have UPE, only PE. The other bits are +// named as expected. +#if !defined(UPE) && defined(PE) +#define UPE PE +#endif +// On ATmega8, the uart and its bits are not numbered, so there is no TXC0 etc. +#define TXC0 TXC +#define RXEN0 RXEN +#define TXEN0 TXEN +#define RXCIE0 RXCIE +#define UDRIE0 UDRIE +#define U2X0 U2X +#define UPE0 UPE +#define UDRE0 UDRE +#elif defined(TXC1) +// Some devices have uart1 but no uart0 +#define TXC0 TXC1 +#define RXEN0 RXEN1 +#define TXEN0 TXEN1 +#define RXCIE0 RXCIE1 +#define UDRIE0 UDRIE1 +#define U2X0 U2X1 +#define UPE0 UPE1 +#define UDRE0 UDRE1 +#else +#error No UART found in HardwareSerial.cpp +#endif +#endif // !defined TXC0 + +// Check at compile time that it is really ok to use the bit positions of +// UART0 for the other UARTs as well, in case these values ever get +// changed for future hardware. +#if defined(TXC1) && (TXC1 != TXC0 || RXEN1 != RXEN0 || RXCIE1 != RXCIE0 || \ + UDRIE1 != UDRIE0 || U2X1 != U2X0 || UPE1 != UPE0 || \ + UDRE1 != UDRE0) +#error "Not all bit positions for UART1 are the same as for UART0" +#endif +#if defined(TXC2) && (TXC2 != TXC0 || RXEN2 != RXEN0 || RXCIE2 != RXCIE0 || \ + UDRIE2 != UDRIE0 || U2X2 != U2X0 || UPE2 != UPE0 || \ + UDRE2 != UDRE0) +#error "Not all bit positions for UART2 are the same as for UART0" +#endif +#if defined(TXC3) && (TXC3 != TXC0 || RXEN3 != RXEN0 || RXCIE3 != RXCIE0 || \ + UDRIE3 != UDRIE0 || U3X3 != U3X0 || UPE3 != UPE0 || \ + UDRE3 != UDRE0) +#error "Not all bit positions for UART3 are the same as for UART0" +#endif + +// Constructors //////////////////////////////////////////////////////////////// + +HardwareSerial::HardwareSerial( + volatile uint8_t *ubrrh, volatile uint8_t *ubrrl, + volatile uint8_t *ucsra, volatile uint8_t *ucsrb, + volatile uint8_t *ucsrc, volatile uint8_t *udr) : + _ubrrh(ubrrh), _ubrrl(ubrrl), + _ucsra(ucsra), _ucsrb(ucsrb), _ucsrc(ucsrc), + _udr(udr), + _rx_buffer_head(0), _rx_buffer_tail(0), + _tx_buffer_head(0), _tx_buffer_tail(0) +{ +} + +// Actual interrupt handlers ////////////////////////////////////////////////////////////// + +void HardwareSerial::_rx_complete_irq(void) +{ + if (bit_is_clear(*_ucsra, UPE0)) { + // No Parity error, read byte and store it in the buffer if there is + // room + unsigned char c = *_udr; + rx_buffer_index_t i = (unsigned int)(_rx_buffer_head + 1) % SERIAL_RX_BUFFER_SIZE; + + // if we should be storing the received character into the location + // just before the tail (meaning that the head would advance to the + // current location of the tail), we're about to overflow the buffer + // and so we don't write the character or advance the head. + if (i != _rx_buffer_tail) { + _rx_buffer[_rx_buffer_head] = c; + _rx_buffer_head = i; + } + } else { + // Parity error, read byte but discard it + *_udr; + }; +} + +#endif // whole file diff --git a/cores/xinput/IPAddress.cpp b/cores/xinput/IPAddress.cpp new file mode 100644 index 0000000..d9fe5be --- /dev/null +++ b/cores/xinput/IPAddress.cpp @@ -0,0 +1,114 @@ +/* + IPAddress.cpp - Base class that provides IPAddress + Copyright (c) 2011 Adrian McEwen. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include +#include + +IPAddress::IPAddress() +{ + _address.dword = 0; +} + +IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet) +{ + _address.bytes[0] = first_octet; + _address.bytes[1] = second_octet; + _address.bytes[2] = third_octet; + _address.bytes[3] = fourth_octet; +} + +IPAddress::IPAddress(uint32_t address) +{ + _address.dword = address; +} + +IPAddress::IPAddress(const uint8_t *address) +{ + memcpy(_address.bytes, address, sizeof(_address.bytes)); +} + +bool IPAddress::fromString(const char *address) +{ + uint16_t acc = 0; // Accumulator + uint8_t dots = 0; + + while (*address) + { + char c = *address++; + if (c >= '0' && c <= '9') + { + acc = acc * 10 + (c - '0'); + if (acc > 255) { + // Value out of [0..255] range + return false; + } + } + else if (c == '.') + { + if (dots == 3) { + // Too much dots (there must be 3 dots) + return false; + } + _address.bytes[dots++] = acc; + acc = 0; + } + else + { + // Invalid char + return false; + } + } + + if (dots != 3) { + // Too few dots (there must be 3 dots) + return false; + } + _address.bytes[3] = acc; + return true; +} + +IPAddress& IPAddress::operator=(const uint8_t *address) +{ + memcpy(_address.bytes, address, sizeof(_address.bytes)); + return *this; +} + +IPAddress& IPAddress::operator=(uint32_t address) +{ + _address.dword = address; + return *this; +} + +bool IPAddress::operator==(const uint8_t* addr) const +{ + return memcmp(addr, _address.bytes, sizeof(_address.bytes)) == 0; +} + +size_t IPAddress::printTo(Print& p) const +{ + size_t n = 0; + for (int i =0; i < 3; i++) + { + n += p.print(_address.bytes[i], DEC); + n += p.print('.'); + } + n += p.print(_address.bytes[3], DEC); + return n; +} + diff --git a/cores/xinput/IPAddress.h b/cores/xinput/IPAddress.h new file mode 100644 index 0000000..d762f2c --- /dev/null +++ b/cores/xinput/IPAddress.h @@ -0,0 +1,78 @@ +/* + IPAddress.h - Base class that provides IPAddress + Copyright (c) 2011 Adrian McEwen. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef IPAddress_h +#define IPAddress_h + +#include +#include "Printable.h" +#include "WString.h" + +// A class to make it easier to handle and pass around IP addresses + +class IPAddress : public Printable { +private: + union { + uint8_t bytes[4]; // IPv4 address + uint32_t dword; + } _address; + + // Access the raw byte array containing the address. Because this returns a pointer + // to the internal structure rather than a copy of the address this function should only + // be used when you know that the usage of the returned uint8_t* will be transient and not + // stored. + uint8_t* raw_address() { return _address.bytes; }; + +public: + // Constructors + IPAddress(); + IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet); + IPAddress(uint32_t address); + IPAddress(const uint8_t *address); + + bool fromString(const char *address); + bool fromString(const String &address) { return fromString(address.c_str()); } + + // Overloaded cast operator to allow IPAddress objects to be used where a pointer + // to a four-byte uint8_t array is expected + operator uint32_t() const { return _address.dword; }; + bool operator==(const IPAddress& addr) const { return _address.dword == addr._address.dword; }; + bool operator==(const uint8_t* addr) const; + + // Overloaded index operator to allow getting and setting individual octets of the address + uint8_t operator[](int index) const { return _address.bytes[index]; }; + uint8_t& operator[](int index) { return _address.bytes[index]; }; + + // Overloaded copy operators to allow initialisation of IPAddress objects from other types + IPAddress& operator=(const uint8_t *address); + IPAddress& operator=(uint32_t address); + + virtual size_t printTo(Print& p) const; + + friend class EthernetClass; + friend class UDP; + friend class Client; + friend class Server; + friend class DhcpClass; + friend class DNSClient; +}; + +const IPAddress INADDR_NONE(0,0,0,0); + +#endif diff --git a/cores/xinput/PluggableUSB.cpp b/cores/xinput/PluggableUSB.cpp new file mode 100644 index 0000000..c489d9f --- /dev/null +++ b/cores/xinput/PluggableUSB.cpp @@ -0,0 +1,115 @@ +/* + PluggableUSB.cpp + Copyright (c) 2015 Arduino LLC + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include "USBAPI.h" +#include "PluggableUSB.h" + +#if defined(USBCON) +#ifdef PLUGGABLE_USB_ENABLED + +extern uint8_t _initEndpoints[]; + +int PluggableUSB_::getInterface(uint8_t* interfaceCount) +{ + int sent = 0; + PluggableUSBModule* node; + for (node = rootNode; node; node = node->next) { + int res = node->getInterface(interfaceCount); + if (res < 0) + return -1; + sent += res; + } + return sent; +} + +int PluggableUSB_::getDescriptor(USBSetup& setup) +{ + PluggableUSBModule* node; + for (node = rootNode; node; node = node->next) { + int ret = node->getDescriptor(setup); + // ret!=0 -> request has been processed + if (ret) + return ret; + } + return 0; +} + +void PluggableUSB_::getShortName(char *iSerialNum) +{ + PluggableUSBModule* node; + for (node = rootNode; node; node = node->next) { + iSerialNum += node->getShortName(iSerialNum); + } + *iSerialNum = 0; +} + +bool PluggableUSB_::setup(USBSetup& setup) +{ + PluggableUSBModule* node; + for (node = rootNode; node; node = node->next) { + if (node->setup(setup)) { + return true; + } + } + return false; +} + +bool PluggableUSB_::plug(PluggableUSBModule *node) +{ + if ((lastEp + node->numEndpoints) > USB_ENDPOINTS) { + return false; + } + + if (!rootNode) { + rootNode = node; + } else { + PluggableUSBModule *current = rootNode; + while (current->next) { + current = current->next; + } + current->next = node; + } + + node->pluggedInterface = lastIf; + node->pluggedEndpoint = lastEp; + lastIf += node->numInterfaces; + for (uint8_t i = 0; i < node->numEndpoints; i++) { + _initEndpoints[lastEp] = node->endpointType[i]; + lastEp++; + } + return true; + // restart USB layer??? +} + +PluggableUSB_& PluggableUSB() +{ + static PluggableUSB_ obj; + return obj; +} + +PluggableUSB_::PluggableUSB_() : lastIf(CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT), + lastEp(CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT), + rootNode(NULL) +{ + // Empty +} + +#endif + +#endif /* if defined(USBCON) */ diff --git a/cores/xinput/PluggableUSB.h b/cores/xinput/PluggableUSB.h new file mode 100644 index 0000000..507f0df --- /dev/null +++ b/cores/xinput/PluggableUSB.h @@ -0,0 +1,74 @@ +/* + PluggableUSB.h + Copyright (c) 2015 Arduino LLC + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef PUSB_h +#define PUSB_h + +#include "USBAPI.h" +#include + +#if defined(USBCON) + +class PluggableUSBModule { +public: + PluggableUSBModule(uint8_t numEps, uint8_t numIfs, uint8_t *epType) : + numEndpoints(numEps), numInterfaces(numIfs), endpointType(epType) + { } + +protected: + virtual bool setup(USBSetup& setup) = 0; + virtual int getInterface(uint8_t* interfaceCount) = 0; + virtual int getDescriptor(USBSetup& setup) = 0; + virtual uint8_t getShortName(char *name) { name[0] = 'A'+pluggedInterface; return 1; } + + uint8_t pluggedInterface; + uint8_t pluggedEndpoint; + + const uint8_t numEndpoints; + const uint8_t numInterfaces; + const uint8_t *endpointType; + + PluggableUSBModule *next = NULL; + + friend class PluggableUSB_; +}; + +class PluggableUSB_ { +public: + PluggableUSB_(); + bool plug(PluggableUSBModule *node); + int getInterface(uint8_t* interfaceCount); + int getDescriptor(USBSetup& setup); + bool setup(USBSetup& setup); + void getShortName(char *iSerialNum); + +private: + uint8_t lastIf; + uint8_t lastEp; + PluggableUSBModule* rootNode; +}; + +// Replacement for global singleton. +// This function prevents static-initialization-order-fiasco +// https://isocpp.org/wiki/faq/ctors#static-init-order-on-first-use +PluggableUSB_& PluggableUSB(); + +#endif + +#endif diff --git a/cores/xinput/Print.cpp b/cores/xinput/Print.cpp new file mode 100644 index 0000000..1e4c99a --- /dev/null +++ b/cores/xinput/Print.cpp @@ -0,0 +1,266 @@ +/* + Print.cpp - Base class that provides print() and println() + Copyright (c) 2008 David A. Mellis. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 23 November 2006 by David A. Mellis + Modified 03 August 2015 by Chuck Todd + */ + +#include +#include +#include +#include +#include "Arduino.h" + +#include "Print.h" + +// Public Methods ////////////////////////////////////////////////////////////// + +/* default implementation: may be overridden */ +size_t Print::write(const uint8_t *buffer, size_t size) +{ + size_t n = 0; + while (size--) { + if (write(*buffer++)) n++; + else break; + } + return n; +} + +size_t Print::print(const __FlashStringHelper *ifsh) +{ + PGM_P p = reinterpret_cast(ifsh); + size_t n = 0; + while (1) { + unsigned char c = pgm_read_byte(p++); + if (c == 0) break; + if (write(c)) n++; + else break; + } + return n; +} + +size_t Print::print(const String &s) +{ + return write(s.c_str(), s.length()); +} + +size_t Print::print(const char str[]) +{ + return write(str); +} + +size_t Print::print(char c) +{ + return write(c); +} + +size_t Print::print(unsigned char b, int base) +{ + return print((unsigned long) b, base); +} + +size_t Print::print(int n, int base) +{ + return print((long) n, base); +} + +size_t Print::print(unsigned int n, int base) +{ + return print((unsigned long) n, base); +} + +size_t Print::print(long n, int base) +{ + if (base == 0) { + return write(n); + } else if (base == 10) { + if (n < 0) { + int t = print('-'); + n = -n; + return printNumber(n, 10) + t; + } + return printNumber(n, 10); + } else { + return printNumber(n, base); + } +} + +size_t Print::print(unsigned long n, int base) +{ + if (base == 0) return write(n); + else return printNumber(n, base); +} + +size_t Print::print(double n, int digits) +{ + return printFloat(n, digits); +} + +size_t Print::println(const __FlashStringHelper *ifsh) +{ + size_t n = print(ifsh); + n += println(); + return n; +} + +size_t Print::print(const Printable& x) +{ + return x.printTo(*this); +} + +size_t Print::println(void) +{ + return write("\r\n"); +} + +size_t Print::println(const String &s) +{ + size_t n = print(s); + n += println(); + return n; +} + +size_t Print::println(const char c[]) +{ + size_t n = print(c); + n += println(); + return n; +} + +size_t Print::println(char c) +{ + size_t n = print(c); + n += println(); + return n; +} + +size_t Print::println(unsigned char b, int base) +{ + size_t n = print(b, base); + n += println(); + return n; +} + +size_t Print::println(int num, int base) +{ + size_t n = print(num, base); + n += println(); + return n; +} + +size_t Print::println(unsigned int num, int base) +{ + size_t n = print(num, base); + n += println(); + return n; +} + +size_t Print::println(long num, int base) +{ + size_t n = print(num, base); + n += println(); + return n; +} + +size_t Print::println(unsigned long num, int base) +{ + size_t n = print(num, base); + n += println(); + return n; +} + +size_t Print::println(double num, int digits) +{ + size_t n = print(num, digits); + n += println(); + return n; +} + +size_t Print::println(const Printable& x) +{ + size_t n = print(x); + n += println(); + return n; +} + +// Private Methods ///////////////////////////////////////////////////////////// + +size_t Print::printNumber(unsigned long n, uint8_t base) +{ + char buf[8 * sizeof(long) + 1]; // Assumes 8-bit chars plus zero byte. + char *str = &buf[sizeof(buf) - 1]; + + *str = '\0'; + + // prevent crash if called with base == 1 + if (base < 2) base = 10; + + do { + char c = n % base; + n /= base; + + *--str = c < 10 ? c + '0' : c + 'A' - 10; + } while(n); + + return write(str); +} + +size_t Print::printFloat(double number, uint8_t digits) +{ + size_t n = 0; + + if (isnan(number)) return print("nan"); + if (isinf(number)) return print("inf"); + if (number > 4294967040.0) return print ("ovf"); // constant determined empirically + if (number <-4294967040.0) return print ("ovf"); // constant determined empirically + + // Handle negative numbers + if (number < 0.0) + { + n += print('-'); + number = -number; + } + + // Round correctly so that print(1.999, 2) prints as "2.00" + double rounding = 0.5; + for (uint8_t i=0; i 0) { + n += print('.'); + } + + // Extract digits from the remainder one at a time + while (digits-- > 0) + { + remainder *= 10.0; + unsigned int toPrint = (unsigned int)(remainder); + n += print(toPrint); + remainder -= toPrint; + } + + return n; +} diff --git a/cores/xinput/Print.h b/cores/xinput/Print.h new file mode 100644 index 0000000..0097cc1 --- /dev/null +++ b/cores/xinput/Print.h @@ -0,0 +1,93 @@ +/* + Print.h - Base class that provides print() and println() + Copyright (c) 2008 David A. Mellis. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef Print_h +#define Print_h + +#include +#include // for size_t + +#include "WString.h" +#include "Printable.h" + +#define DEC 10 +#define HEX 16 +#define OCT 8 +#ifdef BIN // Prevent warnings if BIN is previously defined in "iotnx4.h" or similar +#undef BIN +#endif +#define BIN 2 + +class Print +{ + private: + int write_error; + size_t printNumber(unsigned long, uint8_t); + size_t printFloat(double, uint8_t); + protected: + void setWriteError(int err = 1) { write_error = err; } + public: + Print() : write_error(0) {} + + int getWriteError() { return write_error; } + void clearWriteError() { setWriteError(0); } + + virtual size_t write(uint8_t) = 0; + size_t write(const char *str) { + if (str == NULL) return 0; + return write((const uint8_t *)str, strlen(str)); + } + virtual size_t write(const uint8_t *buffer, size_t size); + size_t write(const char *buffer, size_t size) { + return write((const uint8_t *)buffer, size); + } + + // default to zero, meaning "a single write may block" + // should be overridden by subclasses with buffering + virtual int availableForWrite() { return 0; } + + size_t print(const __FlashStringHelper *); + size_t print(const String &); + size_t print(const char[]); + size_t print(char); + size_t print(unsigned char, int = DEC); + size_t print(int, int = DEC); + size_t print(unsigned int, int = DEC); + size_t print(long, int = DEC); + size_t print(unsigned long, int = DEC); + size_t print(double, int = 2); + size_t print(const Printable&); + + size_t println(const __FlashStringHelper *); + size_t println(const String &s); + size_t println(const char[]); + size_t println(char); + size_t println(unsigned char, int = DEC); + size_t println(int, int = DEC); + size_t println(unsigned int, int = DEC); + size_t println(long, int = DEC); + size_t println(unsigned long, int = DEC); + size_t println(double, int = 2); + size_t println(const Printable&); + size_t println(void); + + virtual void flush() { /* Empty implementation for backward compatibility */ } +}; + +#endif diff --git a/cores/xinput/Printable.h b/cores/xinput/Printable.h new file mode 100644 index 0000000..2a1b2e9 --- /dev/null +++ b/cores/xinput/Printable.h @@ -0,0 +1,40 @@ +/* + Printable.h - Interface class that allows printing of complex types + Copyright (c) 2011 Adrian McEwen. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef Printable_h +#define Printable_h + +#include + +class Print; + +/** The Printable class provides a way for new classes to allow themselves to be printed. + By deriving from Printable and implementing the printTo method, it will then be possible + for users to print out instances of this class by passing them into the usual + Print::print and Print::println methods. +*/ + +class Printable +{ + public: + virtual size_t printTo(Print& p) const = 0; +}; + +#endif + diff --git a/cores/xinput/Server.h b/cores/xinput/Server.h new file mode 100644 index 0000000..69e3e39 --- /dev/null +++ b/cores/xinput/Server.h @@ -0,0 +1,30 @@ +/* + Server.h - Base class that provides Server + Copyright (c) 2011 Adrian McEwen. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef server_h +#define server_h + +#include "Print.h" + +class Server : public Print { +public: + virtual void begin() =0; +}; + +#endif diff --git a/cores/xinput/Stream.cpp b/cores/xinput/Stream.cpp new file mode 100644 index 0000000..9eff663 --- /dev/null +++ b/cores/xinput/Stream.cpp @@ -0,0 +1,318 @@ +/* + Stream.cpp - adds parsing methods to Stream class + Copyright (c) 2008 David A. Mellis. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Created July 2011 + parsing functions based on TextFinder library by Michael Margolis + + findMulti/findUntil routines written by Jim Leonard/Xuth + */ + +#include "Arduino.h" +#include "Stream.h" + +#define PARSE_TIMEOUT 1000 // default number of milli-seconds to wait + +// protected method to read stream with timeout +int Stream::timedRead() +{ + int c; + _startMillis = millis(); + do { + c = read(); + if (c >= 0) return c; + } while(millis() - _startMillis < _timeout); + return -1; // -1 indicates timeout +} + +// protected method to peek stream with timeout +int Stream::timedPeek() +{ + int c; + _startMillis = millis(); + do { + c = peek(); + if (c >= 0) return c; + } while(millis() - _startMillis < _timeout); + return -1; // -1 indicates timeout +} + +// returns peek of the next digit in the stream or -1 if timeout +// discards non-numeric characters +int Stream::peekNextDigit(LookaheadMode lookahead, bool detectDecimal) +{ + int c; + while (1) { + c = timedPeek(); + + if( c < 0 || + c == '-' || + (c >= '0' && c <= '9') || + (detectDecimal && c == '.')) return c; + + switch( lookahead ){ + case SKIP_NONE: return -1; // Fail code. + case SKIP_WHITESPACE: + switch( c ){ + case ' ': + case '\t': + case '\r': + case '\n': break; + default: return -1; // Fail code. + } + case SKIP_ALL: + break; + } + read(); // discard non-numeric + } +} + +// Public Methods +////////////////////////////////////////////////////////////// + +void Stream::setTimeout(unsigned long timeout) // sets the maximum number of milliseconds to wait +{ + _timeout = timeout; +} + + // find returns true if the target string is found +bool Stream::find(char *target) +{ + return findUntil(target, strlen(target), NULL, 0); +} + +// reads data from the stream until the target string of given length is found +// returns true if target string is found, false if timed out +bool Stream::find(char *target, size_t length) +{ + return findUntil(target, length, NULL, 0); +} + +// as find but search ends if the terminator string is found +bool Stream::findUntil(char *target, char *terminator) +{ + return findUntil(target, strlen(target), terminator, strlen(terminator)); +} + +// reads data from the stream until the target string of the given length is found +// search terminated if the terminator string is found +// returns true if target string is found, false if terminated or timed out +bool Stream::findUntil(char *target, size_t targetLen, char *terminator, size_t termLen) +{ + if (terminator == NULL) { + MultiTarget t[1] = {{target, targetLen, 0}}; + return findMulti(t, 1) == 0 ? true : false; + } else { + MultiTarget t[2] = {{target, targetLen, 0}, {terminator, termLen, 0}}; + return findMulti(t, 2) == 0 ? true : false; + } +} + +// returns the first valid (long) integer value from the current position. +// lookahead determines how parseInt looks ahead in the stream. +// See LookaheadMode enumeration at the top of the file. +// Lookahead is terminated by the first character that is not a valid part of an integer. +// Once parsing commences, 'ignore' will be skipped in the stream. +long Stream::parseInt(LookaheadMode lookahead, char ignore) +{ + bool isNegative = false; + long value = 0; + int c; + + c = peekNextDigit(lookahead, false); + // ignore non numeric leading characters + if(c < 0) + return 0; // zero returned if timeout + + do{ + if(c == ignore) + ; // ignore this character + else if(c == '-') + isNegative = true; + else if(c >= '0' && c <= '9') // is c a digit? + value = value * 10 + c - '0'; + read(); // consume the character we got with peek + c = timedPeek(); + } + while( (c >= '0' && c <= '9') || c == ignore ); + + if(isNegative) + value = -value; + return value; +} + +// as parseInt but returns a floating point value +float Stream::parseFloat(LookaheadMode lookahead, char ignore) +{ + bool isNegative = false; + bool isFraction = false; + long value = 0; + int c; + float fraction = 1.0; + + c = peekNextDigit(lookahead, true); + // ignore non numeric leading characters + if(c < 0) + return 0; // zero returned if timeout + + do{ + if(c == ignore) + ; // ignore + else if(c == '-') + isNegative = true; + else if (c == '.') + isFraction = true; + else if(c >= '0' && c <= '9') { // is c a digit? + value = value * 10 + c - '0'; + if(isFraction) + fraction *= 0.1; + } + read(); // consume the character we got with peek + c = timedPeek(); + } + while( (c >= '0' && c <= '9') || (c == '.' && !isFraction) || c == ignore ); + + if(isNegative) + value = -value; + if(isFraction) + return value * fraction; + else + return value; +} + +// read characters from stream into buffer +// terminates if length characters have been read, or timeout (see setTimeout) +// returns the number of characters placed in the buffer +// the buffer is NOT null terminated. +// +size_t Stream::readBytes(char *buffer, size_t length) +{ + size_t count = 0; + while (count < length) { + int c = timedRead(); + if (c < 0) break; + *buffer++ = (char)c; + count++; + } + return count; +} + + +// as readBytes with terminator character +// terminates if length characters have been read, timeout, or if the terminator character detected +// returns the number of characters placed in the buffer (0 means no valid data found) + +size_t Stream::readBytesUntil(char terminator, char *buffer, size_t length) +{ + size_t index = 0; + while (index < length) { + int c = timedRead(); + if (c < 0 || c == terminator) break; + *buffer++ = (char)c; + index++; + } + return index; // return number of characters, not including null terminator +} + +String Stream::readString() +{ + String ret; + int c = timedRead(); + while (c >= 0) + { + ret += (char)c; + c = timedRead(); + } + return ret; +} + +String Stream::readStringUntil(char terminator) +{ + String ret; + int c = timedRead(); + while (c >= 0 && c != terminator) + { + ret += (char)c; + c = timedRead(); + } + return ret; +} + +int Stream::findMulti( struct Stream::MultiTarget *targets, int tCount) { + // any zero length target string automatically matches and would make + // a mess of the rest of the algorithm. + for (struct MultiTarget *t = targets; t < targets+tCount; ++t) { + if (t->len <= 0) + return t - targets; + } + + while (1) { + int c = timedRead(); + if (c < 0) + return -1; + + for (struct MultiTarget *t = targets; t < targets+tCount; ++t) { + // the simple case is if we match, deal with that first. + if (c == t->str[t->index]) { + if (++t->index == t->len) + return t - targets; + else + continue; + } + + // if not we need to walk back and see if we could have matched further + // down the stream (ie '1112' doesn't match the first position in '11112' + // but it will match the second position so we can't just reset the current + // index to 0 when we find a mismatch. + if (t->index == 0) + continue; + + int origIndex = t->index; + do { + --t->index; + // first check if current char works against the new current index + if (c != t->str[t->index]) + continue; + + // if it's the only char then we're good, nothing more to check + if (t->index == 0) { + t->index++; + break; + } + + // otherwise we need to check the rest of the found string + int diff = origIndex - t->index; + size_t i; + for (i = 0; i < t->index; ++i) { + if (t->str[i] != t->str[i + diff]) + break; + } + + // if we successfully got through the previous loop then our current + // index is good. + if (i == t->index) { + t->index++; + break; + } + + // otherwise we just try the next index + } while (t->index); + } + } + // unreachable + return -1; +} diff --git a/cores/xinput/Stream.h b/cores/xinput/Stream.h new file mode 100644 index 0000000..21a247a --- /dev/null +++ b/cores/xinput/Stream.h @@ -0,0 +1,129 @@ +/* + Stream.h - base class for character-based streams. + Copyright (c) 2010 David A. Mellis. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + parsing functions based on TextFinder library by Michael Margolis +*/ + +#ifndef Stream_h +#define Stream_h + +#include +#include "Print.h" + +// compatibility macros for testing +/* +#define getInt() parseInt() +#define getInt(ignore) parseInt(ignore) +#define getFloat() parseFloat() +#define getFloat(ignore) parseFloat(ignore) +#define getString( pre_string, post_string, buffer, length) +readBytesBetween( pre_string, terminator, buffer, length) +*/ + +// This enumeration provides the lookahead options for parseInt(), parseFloat() +// The rules set out here are used until either the first valid character is found +// or a time out occurs due to lack of input. +enum LookaheadMode{ + SKIP_ALL, // All invalid characters are ignored. + SKIP_NONE, // Nothing is skipped, and the stream is not touched unless the first waiting character is valid. + SKIP_WHITESPACE // Only tabs, spaces, line feeds & carriage returns are skipped. +}; + +#define NO_IGNORE_CHAR '\x01' // a char not found in a valid ASCII numeric field + +class Stream : public Print +{ + protected: + unsigned long _timeout; // number of milliseconds to wait for the next char before aborting timed read + unsigned long _startMillis; // used for timeout measurement + int timedRead(); // read stream with timeout + int timedPeek(); // peek stream with timeout + int peekNextDigit(LookaheadMode lookahead, bool detectDecimal); // returns the next numeric digit in the stream or -1 if timeout + + public: + virtual int available() = 0; + virtual int read() = 0; + virtual int peek() = 0; + + Stream() {_timeout=1000;} + +// parsing methods + + void setTimeout(unsigned long timeout); // sets maximum milliseconds to wait for stream data, default is 1 second + unsigned long getTimeout(void) { return _timeout; } + + bool find(char *target); // reads data from the stream until the target string is found + bool find(uint8_t *target) { return find ((char *)target); } + // returns true if target string is found, false if timed out (see setTimeout) + + bool find(char *target, size_t length); // reads data from the stream until the target string of given length is found + bool find(uint8_t *target, size_t length) { return find ((char *)target, length); } + // returns true if target string is found, false if timed out + + bool find(char target) { return find (&target, 1); } + + bool findUntil(char *target, char *terminator); // as find but search ends if the terminator string is found + bool findUntil(uint8_t *target, char *terminator) { return findUntil((char *)target, terminator); } + + bool findUntil(char *target, size_t targetLen, char *terminate, size_t termLen); // as above but search ends if the terminate string is found + bool findUntil(uint8_t *target, size_t targetLen, char *terminate, size_t termLen) {return findUntil((char *)target, targetLen, terminate, termLen); } + + long parseInt(LookaheadMode lookahead = SKIP_ALL, char ignore = NO_IGNORE_CHAR); + // returns the first valid (long) integer value from the current position. + // lookahead determines how parseInt looks ahead in the stream. + // See LookaheadMode enumeration at the top of the file. + // Lookahead is terminated by the first character that is not a valid part of an integer. + // Once parsing commences, 'ignore' will be skipped in the stream. + + float parseFloat(LookaheadMode lookahead = SKIP_ALL, char ignore = NO_IGNORE_CHAR); + // float version of parseInt + + size_t readBytes( char *buffer, size_t length); // read chars from stream into buffer + size_t readBytes( uint8_t *buffer, size_t length) { return readBytes((char *)buffer, length); } + // terminates if length characters have been read or timeout (see setTimeout) + // returns the number of characters placed in the buffer (0 means no valid data found) + + size_t readBytesUntil( char terminator, char *buffer, size_t length); // as readBytes with terminator character + size_t readBytesUntil( char terminator, uint8_t *buffer, size_t length) { return readBytesUntil(terminator, (char *)buffer, length); } + // terminates if length characters have been read, timeout, or if the terminator character detected + // returns the number of characters placed in the buffer (0 means no valid data found) + + // Arduino String functions to be added here + String readString(); + String readStringUntil(char terminator); + + protected: + long parseInt(char ignore) { return parseInt(SKIP_ALL, ignore); } + float parseFloat(char ignore) { return parseFloat(SKIP_ALL, ignore); } + // These overload exists for compatibility with any class that has derived + // Stream and used parseFloat/Int with a custom ignore character. To keep + // the public API simple, these overload remains protected. + + struct MultiTarget { + const char *str; // string you're searching for + size_t len; // length of string you're searching for + size_t index; // index used by the search routine. + }; + + // This allows you to search for an arbitrary number of strings. + // Returns index of the target that is found first or -1 if timeout occurs. + int findMulti(struct MultiTarget *targets, int tCount); +}; + +#undef NO_IGNORE_CHAR +#endif diff --git a/cores/xinput/Tone.cpp b/cores/xinput/Tone.cpp new file mode 100644 index 0000000..1bfb3e3 --- /dev/null +++ b/cores/xinput/Tone.cpp @@ -0,0 +1,619 @@ +/* Tone.cpp + + A Tone Generator Library + + Written by Brett Hagman + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +Version Modified By Date Comments +------- ----------- -------- -------- +0001 B Hagman 09/08/02 Initial coding +0002 B Hagman 09/08/18 Multiple pins +0003 B Hagman 09/08/18 Moved initialization from constructor to begin() +0004 B Hagman 09/09/26 Fixed problems with ATmega8 +0005 B Hagman 09/11/23 Scanned prescalars for best fit on 8 bit timers + 09/11/25 Changed pin toggle method to XOR + 09/11/25 Fixed timer0 from being excluded +0006 D Mellis 09/12/29 Replaced objects with functions +0007 M Sproul 10/08/29 Changed #ifdefs from cpu to register +0008 S Kanemoto 12/06/22 Fixed for Leonardo by @maris_HY +0009 J Reucker 15/04/10 Issue #292 Fixed problems with ATmega8 (thanks to Pete62) +0010 jipp 15/04/13 added additional define check #2923 +*************************************************/ + +#include +#include +#include "Arduino.h" +#include "pins_arduino.h" + +#if defined(__AVR_ATmega8__) || defined(__AVR_ATmega128__) +#define TCCR2A TCCR2 +#define TCCR2B TCCR2 +#define COM2A1 COM21 +#define COM2A0 COM20 +#define OCR2A OCR2 +#define TIMSK2 TIMSK +#define OCIE2A OCIE2 +#define TIMER2_COMPA_vect TIMER2_COMP_vect +#define TIMSK1 TIMSK +#endif + +// timerx_toggle_count: +// > 0 - duration specified +// = 0 - stopped +// < 0 - infinitely (until stop() method called, or new play() called) + +#if !defined(__AVR_ATmega8__) +volatile long timer0_toggle_count; +volatile uint8_t *timer0_pin_port; +volatile uint8_t timer0_pin_mask; +#endif + +volatile long timer1_toggle_count; +volatile uint8_t *timer1_pin_port; +volatile uint8_t timer1_pin_mask; +volatile long timer2_toggle_count; +volatile uint8_t *timer2_pin_port; +volatile uint8_t timer2_pin_mask; + +#if defined(TIMSK3) +volatile long timer3_toggle_count; +volatile uint8_t *timer3_pin_port; +volatile uint8_t timer3_pin_mask; +#endif + +#if defined(TIMSK4) +volatile long timer4_toggle_count; +volatile uint8_t *timer4_pin_port; +volatile uint8_t timer4_pin_mask; +#endif + +#if defined(TIMSK5) +volatile long timer5_toggle_count; +volatile uint8_t *timer5_pin_port; +volatile uint8_t timer5_pin_mask; +#endif + + +#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) + +#define AVAILABLE_TONE_PINS 1 +#define USE_TIMER2 + +const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 3, 4, 5, 1, 0 */ }; +static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255, 255, 255, 255, 255 */ }; + +#elif defined(__AVR_ATmega8__) + +#define AVAILABLE_TONE_PINS 1 +#define USE_TIMER2 + +const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 1 */ }; +static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255 */ }; + +#elif defined(__AVR_ATmega32U4__) + +#define AVAILABLE_TONE_PINS 1 +#define USE_TIMER3 + +const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 3 /*, 1 */ }; +static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255 */ }; + +#else + +#define AVAILABLE_TONE_PINS 1 +#define USE_TIMER2 + +// Leave timer 0 to last. +const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 1, 0 */ }; +static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255, 255 */ }; + +#endif + + + +static int8_t toneBegin(uint8_t _pin) +{ + int8_t _timer = -1; + + // if we're already using the pin, the timer should be configured. + for (int i = 0; i < AVAILABLE_TONE_PINS; i++) { + if (tone_pins[i] == _pin) { + return pgm_read_byte(tone_pin_to_timer_PGM + i); + } + } + + // search for an unused timer. + for (int i = 0; i < AVAILABLE_TONE_PINS; i++) { + if (tone_pins[i] == 255) { + tone_pins[i] = _pin; + _timer = pgm_read_byte(tone_pin_to_timer_PGM + i); + break; + } + } + + if (_timer != -1) + { + // Set timer specific stuff + // All timers in CTC mode + // 8 bit timers will require changing prescalar values, + // whereas 16 bit timers are set to either ck/1 or ck/64 prescalar + switch (_timer) + { + #if defined(TCCR0A) && defined(TCCR0B) && defined(WGM01) + case 0: + // 8 bit timer + TCCR0A = 0; + TCCR0B = 0; + bitWrite(TCCR0A, WGM01, 1); + bitWrite(TCCR0B, CS00, 1); + timer0_pin_port = portOutputRegister(digitalPinToPort(_pin)); + timer0_pin_mask = digitalPinToBitMask(_pin); + break; + #endif + + #if defined(TCCR1A) && defined(TCCR1B) && defined(WGM12) + case 1: + // 16 bit timer + TCCR1A = 0; + TCCR1B = 0; + bitWrite(TCCR1B, WGM12, 1); + bitWrite(TCCR1B, CS10, 1); + timer1_pin_port = portOutputRegister(digitalPinToPort(_pin)); + timer1_pin_mask = digitalPinToBitMask(_pin); + break; + #endif + + #if defined(TCCR2A) && defined(TCCR2B) + case 2: + // 8 bit timer + TCCR2A = 0; + TCCR2B = 0; + bitWrite(TCCR2A, WGM21, 1); + bitWrite(TCCR2B, CS20, 1); + timer2_pin_port = portOutputRegister(digitalPinToPort(_pin)); + timer2_pin_mask = digitalPinToBitMask(_pin); + break; + #endif + + #if defined(TCCR3A) && defined(TCCR3B) && defined(TIMSK3) + case 3: + // 16 bit timer + TCCR3A = 0; + TCCR3B = 0; + bitWrite(TCCR3B, WGM32, 1); + bitWrite(TCCR3B, CS30, 1); + timer3_pin_port = portOutputRegister(digitalPinToPort(_pin)); + timer3_pin_mask = digitalPinToBitMask(_pin); + break; + #endif + + #if defined(TCCR4A) && defined(TCCR4B) && defined(TIMSK4) + case 4: + // 16 bit timer + TCCR4A = 0; + TCCR4B = 0; + #if defined(WGM42) + bitWrite(TCCR4B, WGM42, 1); + #elif defined(CS43) + // TODO this may not be correct + // atmega32u4 + bitWrite(TCCR4B, CS43, 1); + #endif + bitWrite(TCCR4B, CS40, 1); + timer4_pin_port = portOutputRegister(digitalPinToPort(_pin)); + timer4_pin_mask = digitalPinToBitMask(_pin); + break; + #endif + + #if defined(TCCR5A) && defined(TCCR5B) && defined(TIMSK5) + case 5: + // 16 bit timer + TCCR5A = 0; + TCCR5B = 0; + bitWrite(TCCR5B, WGM52, 1); + bitWrite(TCCR5B, CS50, 1); + timer5_pin_port = portOutputRegister(digitalPinToPort(_pin)); + timer5_pin_mask = digitalPinToBitMask(_pin); + break; + #endif + } + } + + return _timer; +} + + + +// frequency (in hertz) and duration (in milliseconds). + +void tone(uint8_t _pin, unsigned int frequency, unsigned long duration) +{ + uint8_t prescalarbits = 0b001; + long toggle_count = 0; + uint32_t ocr = 0; + int8_t _timer; + + _timer = toneBegin(_pin); + + if (_timer >= 0) + { + // Set the pinMode as OUTPUT + pinMode(_pin, OUTPUT); + + // if we are using an 8 bit timer, scan through prescalars to find the best fit + if (_timer == 0 || _timer == 2) + { + ocr = F_CPU / frequency / 2 - 1; + prescalarbits = 0b001; // ck/1: same for both timers + if (ocr > 255) + { + ocr = F_CPU / frequency / 2 / 8 - 1; + prescalarbits = 0b010; // ck/8: same for both timers + + if (_timer == 2 && ocr > 255) + { + ocr = F_CPU / frequency / 2 / 32 - 1; + prescalarbits = 0b011; + } + + if (ocr > 255) + { + ocr = F_CPU / frequency / 2 / 64 - 1; + prescalarbits = _timer == 0 ? 0b011 : 0b100; + + if (_timer == 2 && ocr > 255) + { + ocr = F_CPU / frequency / 2 / 128 - 1; + prescalarbits = 0b101; + } + + if (ocr > 255) + { + ocr = F_CPU / frequency / 2 / 256 - 1; + prescalarbits = _timer == 0 ? 0b100 : 0b110; + if (ocr > 255) + { + // can't do any better than /1024 + ocr = F_CPU / frequency / 2 / 1024 - 1; + prescalarbits = _timer == 0 ? 0b101 : 0b111; + } + } + } + } + +#if defined(TCCR0B) + if (_timer == 0) + { + TCCR0B = (TCCR0B & 0b11111000) | prescalarbits; + } + else +#endif +#if defined(TCCR2B) + { + TCCR2B = (TCCR2B & 0b11111000) | prescalarbits; + } +#else + { + // dummy place holder to make the above ifdefs work + } +#endif + } + else + { + // two choices for the 16 bit timers: ck/1 or ck/64 + ocr = F_CPU / frequency / 2 - 1; + + prescalarbits = 0b001; + if (ocr > 0xffff) + { + ocr = F_CPU / frequency / 2 / 64 - 1; + prescalarbits = 0b011; + } + + if (_timer == 1) + { +#if defined(TCCR1B) + TCCR1B = (TCCR1B & 0b11111000) | prescalarbits; +#endif + } +#if defined(TCCR3B) + else if (_timer == 3) + TCCR3B = (TCCR3B & 0b11111000) | prescalarbits; +#endif +#if defined(TCCR4B) + else if (_timer == 4) + TCCR4B = (TCCR4B & 0b11111000) | prescalarbits; +#endif +#if defined(TCCR5B) + else if (_timer == 5) + TCCR5B = (TCCR5B & 0b11111000) | prescalarbits; +#endif + + } + + + // Calculate the toggle count + if (duration > 0) + { + toggle_count = 2 * frequency * duration / 1000; + } + else + { + toggle_count = -1; + } + + // Set the OCR for the given timer, + // set the toggle count, + // then turn on the interrupts + switch (_timer) + { + +#if defined(OCR0A) && defined(TIMSK0) && defined(OCIE0A) + case 0: + OCR0A = ocr; + timer0_toggle_count = toggle_count; + bitWrite(TIMSK0, OCIE0A, 1); + break; +#endif + + case 1: +#if defined(OCR1A) && defined(TIMSK1) && defined(OCIE1A) + OCR1A = ocr; + timer1_toggle_count = toggle_count; + bitWrite(TIMSK1, OCIE1A, 1); +#elif defined(OCR1A) && defined(TIMSK) && defined(OCIE1A) + // this combination is for at least the ATmega32 + OCR1A = ocr; + timer1_toggle_count = toggle_count; + bitWrite(TIMSK, OCIE1A, 1); +#endif + break; + +#if defined(OCR2A) && defined(TIMSK2) && defined(OCIE2A) + case 2: + OCR2A = ocr; + timer2_toggle_count = toggle_count; + bitWrite(TIMSK2, OCIE2A, 1); + break; +#endif + +#if defined(OCR3A) && defined(TIMSK3) && defined(OCIE3A) + case 3: + OCR3A = ocr; + timer3_toggle_count = toggle_count; + bitWrite(TIMSK3, OCIE3A, 1); + break; +#endif + +#if defined(OCR4A) && defined(TIMSK4) && defined(OCIE4A) + case 4: + OCR4A = ocr; + timer4_toggle_count = toggle_count; + bitWrite(TIMSK4, OCIE4A, 1); + break; +#endif + +#if defined(OCR5A) && defined(TIMSK5) && defined(OCIE5A) + case 5: + OCR5A = ocr; + timer5_toggle_count = toggle_count; + bitWrite(TIMSK5, OCIE5A, 1); + break; +#endif + + } + } +} + + +// XXX: this function only works properly for timer 2 (the only one we use +// currently). for the others, it should end the tone, but won't restore +// proper PWM functionality for the timer. +void disableTimer(uint8_t _timer) +{ + switch (_timer) + { + case 0: + #if defined(TIMSK0) + TIMSK0 = 0; + #elif defined(TIMSK) + TIMSK = 0; // atmega32 + #endif + break; + +#if defined(TIMSK1) && defined(OCIE1A) + case 1: + bitWrite(TIMSK1, OCIE1A, 0); + break; +#endif + + case 2: + #if defined(TIMSK2) && defined(OCIE2A) + bitWrite(TIMSK2, OCIE2A, 0); // disable interrupt + #endif + #if defined(TCCR2A) && defined(WGM20) + TCCR2A = (1 << WGM20); + #endif + #if defined(TCCR2B) && defined(CS22) + TCCR2B = (TCCR2B & 0b11111000) | (1 << CS22); + #endif + #if defined(OCR2A) + OCR2A = 0; + #endif + break; + +#if defined(TIMSK3) && defined(OCIE3A) + case 3: + bitWrite(TIMSK3, OCIE3A, 0); + break; +#endif + +#if defined(TIMSK4) && defined(OCIE4A) + case 4: + bitWrite(TIMSK4, OCIE4A, 0); + break; +#endif + +#if defined(TIMSK5) && defined(OCIE5A) + case 5: + bitWrite(TIMSK5, OCIE5A, 0); + break; +#endif + } +} + + +void noTone(uint8_t _pin) +{ + int8_t _timer = -1; + + for (int i = 0; i < AVAILABLE_TONE_PINS; i++) { + if (tone_pins[i] == _pin) { + _timer = pgm_read_byte(tone_pin_to_timer_PGM + i); + tone_pins[i] = 255; + break; + } + } + + disableTimer(_timer); + + digitalWrite(_pin, 0); +} + +#ifdef USE_TIMER0 +ISR(TIMER0_COMPA_vect) +{ + if (timer0_toggle_count != 0) + { + // toggle the pin + *timer0_pin_port ^= timer0_pin_mask; + + if (timer0_toggle_count > 0) + timer0_toggle_count--; + } + else + { + disableTimer(0); + *timer0_pin_port &= ~(timer0_pin_mask); // keep pin low after stop + } +} +#endif + + +#ifdef USE_TIMER1 +ISR(TIMER1_COMPA_vect) +{ + if (timer1_toggle_count != 0) + { + // toggle the pin + *timer1_pin_port ^= timer1_pin_mask; + + if (timer1_toggle_count > 0) + timer1_toggle_count--; + } + else + { + disableTimer(1); + *timer1_pin_port &= ~(timer1_pin_mask); // keep pin low after stop + } +} +#endif + + +#ifdef USE_TIMER2 +ISR(TIMER2_COMPA_vect) +{ + + if (timer2_toggle_count != 0) + { + // toggle the pin + *timer2_pin_port ^= timer2_pin_mask; + + if (timer2_toggle_count > 0) + timer2_toggle_count--; + } + else + { + // need to call noTone() so that the tone_pins[] entry is reset, so the + // timer gets initialized next time we call tone(). + // XXX: this assumes timer 2 is always the first one used. + noTone(tone_pins[0]); +// disableTimer(2); +// *timer2_pin_port &= ~(timer2_pin_mask); // keep pin low after stop + } +} +#endif + + +#ifdef USE_TIMER3 +ISR(TIMER3_COMPA_vect) +{ + if (timer3_toggle_count != 0) + { + // toggle the pin + *timer3_pin_port ^= timer3_pin_mask; + + if (timer3_toggle_count > 0) + timer3_toggle_count--; + } + else + { + disableTimer(3); + *timer3_pin_port &= ~(timer3_pin_mask); // keep pin low after stop + } +} +#endif + + +#ifdef USE_TIMER4 +ISR(TIMER4_COMPA_vect) +{ + if (timer4_toggle_count != 0) + { + // toggle the pin + *timer4_pin_port ^= timer4_pin_mask; + + if (timer4_toggle_count > 0) + timer4_toggle_count--; + } + else + { + disableTimer(4); + *timer4_pin_port &= ~(timer4_pin_mask); // keep pin low after stop + } +} +#endif + + +#ifdef USE_TIMER5 +ISR(TIMER5_COMPA_vect) +{ + if (timer5_toggle_count != 0) + { + // toggle the pin + *timer5_pin_port ^= timer5_pin_mask; + + if (timer5_toggle_count > 0) + timer5_toggle_count--; + } + else + { + disableTimer(5); + *timer5_pin_port &= ~(timer5_pin_mask); // keep pin low after stop + } +} +#endif diff --git a/cores/xinput/USBAPI.h b/cores/xinput/USBAPI.h new file mode 100644 index 0000000..1ad268c --- /dev/null +++ b/cores/xinput/USBAPI.h @@ -0,0 +1,189 @@ +/* + USBAPI.h + Copyright (c) 2005-2014 Arduino. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef __USBAPI__ +#define __USBAPI__ + +#include +#include +#include +#include +#include + +typedef unsigned char u8; +typedef unsigned short u16; +typedef unsigned long u32; + +#include "Arduino.h" + +// This definitions is useful if you want to reduce the EP_SIZE to 16 +// at the moment only 64 and 16 as EP_SIZE for all EPs are supported except the control endpoint +#ifndef USB_EP_SIZE +#define USB_EP_SIZE 64 +#endif + +#if defined(USBCON) + +#include "USBDesc.h" +#include "USBCore.h" +#include "xinput/USB_XInput_Descriptors.h" + +//================================================================================ +//================================================================================ +// USB + +#define EP_TYPE_CONTROL (0x00) +#define EP_TYPE_BULK_IN ((1<256) +#error Please lower the CDC Buffer size +#endif + +class Serial_ : public Stream +{ +public: + Serial_() {}; + void begin(unsigned long) {} + void begin(unsigned long, uint8_t) {} + void end(void) {} + + virtual int available(void) { return -1; } + virtual int peek(void) { return -1; } + virtual int read(void) { return -1; } + virtual int availableForWrite(void) { return 0; } + virtual void flush(void) {} + virtual size_t write(uint8_t) { return 1; } + virtual size_t write(const uint8_t*, size_t n) { return n; } + using Print::write; // pull in write(str) and write(buf, size) from Print + operator bool() { return true; } + + // This method allows processing "SEND_BREAK" requests sent by + // the USB host. Those requests indicate that the host wants to + // send a BREAK signal and are accompanied by a single uint16_t + // value, specifying the duration of the break. The value 0 + // means to end any current break, while the value 0xffff means + // to start an indefinite break. + // readBreak() will return the value of the most recent break + // request, but will return it at most once, returning -1 when + // readBreak() is called again (until another break request is + // received, which is again returned once). + // This also mean that if two break requests are received + // without readBreak() being called in between, the value of the + // first request is lost. + // Note that the value returned is a long, so it can return + // 0-0xffff as well as -1. + int32_t readBreak() { return -1; }; + + // These return the settings specified by the USB host for the + // serial port. These aren't really used, but are offered here + // in case a sketch wants to act on these settings. + uint32_t baud() { return 0; } + uint8_t stopbits() { return 1; } + uint8_t paritytype() { return 0; } + uint8_t numbits() { return 8; } + bool dtr() { return true; } + bool rts() { return true; } + enum { + ONE_STOP_BIT = 0, + ONE_AND_HALF_STOP_BIT = 1, + TWO_STOP_BITS = 2, + }; + enum { + NO_PARITY = 0, + ODD_PARITY = 1, + EVEN_PARITY = 2, + MARK_PARITY = 3, + SPACE_PARITY = 4, + }; + +}; +extern Serial_ Serial; + +#define HAVE_CDCSERIAL + +//================================================================================ +//================================================================================ +// Low level API + +typedef struct +{ + uint8_t bmRequestType; + uint8_t bRequest; + uint8_t wValueL; + uint8_t wValueH; + uint16_t wIndex; + uint16_t wLength; +} USBSetup; + +//================================================================================ +//================================================================================ + +#define TRANSFER_PGM 0x80 +#define TRANSFER_RELEASE 0x40 +#define TRANSFER_ZERO 0x20 + +int USB_SendControl(uint8_t flags, const void* d, int len); +int USB_RecvControl(void* d, int len); +int USB_RecvControlLong(void* d, int len); + +uint8_t USB_Available(uint8_t ep); +uint8_t USB_SendSpace(uint8_t ep); +int USB_Send(uint8_t ep, const void* data, int len); // blocking +int USB_Recv(uint8_t ep, void* data, int len); // non-blocking +int USB_Recv(uint8_t ep); // non-blocking +void USB_Flush(uint8_t ep); + +#include "xinput/USB_XInput_API.h" + +#endif + +#endif /* if defined(USBCON) */ diff --git a/cores/xinput/USBCore.cpp b/cores/xinput/USBCore.cpp new file mode 100644 index 0000000..b384984 --- /dev/null +++ b/cores/xinput/USBCore.cpp @@ -0,0 +1,834 @@ + + +/* Copyright (c) 2010, Peter Barrett +** Sleep/Wakeup support added by Michael Dreher +** +** Permission to use, copy, modify, and/or distribute this software for +** any purpose with or without fee is hereby granted, provided that the +** above copyright notice and this permission notice appear in all copies. +** +** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL +** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR +** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES +** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +** SOFTWARE. +*/ + +#include "USBAPI.h" +#include "PluggableUSB.h" +#include + +#if defined(USBCON) + +/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */ +#define TX_RX_LED_PULSE_MS 100 +volatile u8 TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */ +volatile u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */ + +//================================================================== +//================================================================== + +extern const u16 STRING_LANGUAGE[] PROGMEM; +extern const u8 STRING_PRODUCT[] PROGMEM; +extern const u8 STRING_MANUFACTURER[] PROGMEM; + +const u16 STRING_LANGUAGE[2] = { + (3<<8) | (2+2), + 0x0409 // English +}; + +#ifndef USB_PRODUCT +// If no product is provided, use USB IO Board +#define USB_PRODUCT "USB IO Board" +#endif + +const u8 STRING_PRODUCT[] PROGMEM = USB_PRODUCT; + +#if USB_VID == 0x2341 +# if defined(USB_MANUFACTURER) +# undef USB_MANUFACTURER +# endif +# define USB_MANUFACTURER "Arduino LLC" +#elif USB_VID == 0x1b4f +# if defined(USB_MANUFACTURER) +# undef USB_MANUFACTURER +# endif +# define USB_MANUFACTURER "SparkFun" +#elif !defined(USB_MANUFACTURER) +// Fall through to unknown if no manufacturer name was provided in a macro +# define USB_MANUFACTURER "Unknown" +#endif + +const u8 STRING_MANUFACTURER[] PROGMEM = USB_MANUFACTURER; + +//================================================================== +//================================================================== + +volatile u8 _usbConfiguration = 0; +volatile u8 _usbCurrentStatus = 0; // meaning of bits see usb_20.pdf, Figure 9-4. Information Returned by a GetStatus() Request to a Device +volatile u8 _usbSuspendState = 0; // copy of UDINT to check SUSPI and WAKEUPI bits + +static inline void WaitIN(void) +{ + while (!(UEINTX & (1< len) { + n = len; + } + + { + LockEP lock(ep); + // Frame may have been released by the SOF interrupt handler + if (!ReadWriteAllowed()) + continue; + + len -= n; + if (ep & TRANSFER_ZERO) + { + while (n--) + Send8(0); + } + else if (ep & TRANSFER_PGM) + { + while (n--) + Send8(pgm_read_byte(data++)); + } + else + { + while (n--) + Send8(*data++); + } + + if (sendZlp) { + ReleaseTX(); + sendZlp = false; + } else if (!ReadWriteAllowed()) { // ...release if buffer is full... + ReleaseTX(); + if (len == 0) sendZlp = true; + } else if ((len == 0) && (ep & TRANSFER_RELEASE)) { // ...or if forced with TRANSFER_RELEASE + // XXX: TRANSFER_RELEASE is never used can be removed? + ReleaseTX(); + } + } + } + TXLED1; // light the TX LED + TxLEDPulse = TX_RX_LED_PULSE_MS; + return r; +} + +#define EP_SINGLE_64 0x32 // EP0 +#define EP_DOUBLE_64 0x36 // Other endpoints +#define EP_SINGLE_16 0x12 + +static inline +u8 BankSizeMask(const uint8_t nbytes) +{ + uint8_t mask = 0; + for (uint8_t size = 8; size < 64; size <<= 1) { + if (nbytes <= size) break; + mask++; + } + + return (mask << EPSIZE0); +} + +static inline +void InitEP(u8 index, u8 type, u8 size) +{ + UENUM = index; // Select endpoint + UECONX = (1<= USB_ENDPOINTS) return false; + uint8_t size = ((1 << ALLOC) | ((nbanks > 1) ? (1 << EPBK0) : 0) | BankSizeMask(banksize)); + InitEP(index, type, size); + return UESTA0X & (1 << CFGOK); // Success +} + +static +void InitEndpoints() +{ + InitEPSize(XINPUT_TX_ENDPOINT, EP_TYPE_INTERRUPT_IN, 1, 32); // Control Data Send + InitEPSize(XINPUT_RX_ENDPOINT, EP_TYPE_INTERRUPT_OUT, 2, 32); // Control Data Receive + InitEPSize(5, EP_TYPE_INTERRUPT_IN, 1, 32); // Expansion Interface NACK (avoid config reset) + + UERST = 0x7E; // Reset endpoints + UERST = 0; // End reset + + SetEP(XINPUT_RX_ENDPOINT); // Select XInput RX endpoint (OUT) + UEIENX |= (1 << RXOUTE); // Enable received "OUT" interrupt +} + +static int _cmark; +static int _cend; +void InitControl(int end) +{ + SetEP(0); + _cmark = 0; + _cend = end; +} + +static +bool SendControl(u8 d) +{ + if (_cmark < _cend) + { + if (!WaitForINOrOUT()) + return false; + Send8(d); + if (!((_cmark + 1) & 0x3F)) + ClearIN(); // Fifo is full, release this packet + } + _cmark++; + return true; +} + +// Clipped by _cmark/_cend +int USB_SendControl(u8 flags, const void* d, int len) +{ + int sent = len; + const u8* data = (const u8*)d; + bool pgm = flags & TRANSFER_PGM; + while (len--) + { + u8 c = pgm ? pgm_read_byte(data++) : *data++; + if (!SendControl(c)) + return -1; + } + return sent; +} + +// Send a USB descriptor string. The string is stored in PROGMEM as a +// plain ASCII string but is sent out as UTF-16 with the correct 2-byte +// prefix +static bool USB_SendStringDescriptor(const u8*string_P, u8 string_len, uint8_t flags) { + SendControl(2 + string_len * 2); + SendControl(3); + bool pgm = flags & TRANSFER_PGM; + for(u8 i = 0; i < string_len; i++) { + bool r = SendControl(pgm ? pgm_read_byte(&string_P[i]) : string_P[i]); + r &= SendControl(0); // high byte + if(!r) { + return false; + } + } + return true; +} + +// Does not timeout or cross fifo boundaries +int USB_RecvControl(void* d, int len) +{ + auto length = len; + while(length) + { + // Dont receive more than the USB Control EP has to offer + // Use fixed 64 because control EP always have 64 bytes even on 16u2. + auto recvLength = length; + if(recvLength > 64){ + recvLength = 64; + } + + // Write data to fit to the end (not the beginning) of the array + WaitOUT(); + Recv((u8*)d + len - length, recvLength); + ClearOUT(); + length -= recvLength; + } + return len; +} + +// Construct a dynamic configuration descriptor +// This really needs dynamic endpoint allocation etc +// TODO +static +bool SendConfiguration(int maxlen) +{ + InitControl(maxlen); + USB_SendControl(TRANSFER_PGM, &USB_ConfigDescriptor, USB_ConfigDescriptorSize); + return true; +} + +static +bool SendDescriptor(USBSetup& setup) +{ + u8 t = setup.wValueH; + if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t) + return SendConfiguration(setup.wLength); + + InitControl(setup.wLength); +#ifdef PLUGGABLE_USB_ENABLED + int ret = PluggableUSB().getDescriptor(setup); + if (ret != 0) { + return (ret > 0 ? true : false); + } +#endif + + const u8* desc_addr = 0; + if (USB_DEVICE_DESCRIPTOR_TYPE == t) + { + desc_addr = (const u8*) &USB_DeviceDescriptor; + } + else if (USB_STRING_DESCRIPTOR_TYPE == t) + { + if (setup.wValueL == 0) { + desc_addr = (const u8*)&STRING_LANGUAGE; + } + else if (setup.wValueL == IPRODUCT) { + return USB_SendStringDescriptor(STRING_PRODUCT, strlen(USB_PRODUCT), TRANSFER_PGM); + } + else if (setup.wValueL == IMANUFACTURER) { + return USB_SendStringDescriptor(STRING_MANUFACTURER, strlen(USB_MANUFACTURER), TRANSFER_PGM); + } + else if (setup.wValueL == ISERIAL) { +#ifdef PLUGGABLE_USB_ENABLED + char name[ISERIAL_MAX_LEN]; + PluggableUSB().getShortName(name); + return USB_SendStringDescriptor((uint8_t*)name, strlen(name), 0); +#else + return USB_SendStringDescriptor(STRING_SERIAL, strlen((char*)STRING_SERIAL), TRANSFER_PGM); +#endif + } + else if (setup.wValueL == ISECURITY) { + return USB_SendStringDescriptor(STRING_SECURITY, strlen((char*)STRING_SECURITY), TRANSFER_PGM); + } + else + return false; + } + + if (desc_addr == 0) + return false; + u8 desc_length = pgm_read_byte(desc_addr); + + USB_SendControl(TRANSFER_PGM,desc_addr,desc_length); + return true; +} + +// Endpoint interrupt +ISR(USB_COM_vect) +{ + SetEP(XINPUT_RX_ENDPOINT); // Select XInput RX endpoint (OUT) + if (UEINTX & (1 << RXOUTI)) { // If data received... + UEINTX &= ~(1 << RXOUTI); // Clear interrupt flag + if (XInputUSB::RecvCallback != nullptr) { + XInputUSB::RecvCallback(); // Call callback function if it exists + } + } + + SetEP(0); + if (!ReceivedSetupInt()) + return; + + USBSetup setup; + Recv((u8*)&setup,8); + ClearSetupInt(); + + u8 requestType = setup.bmRequestType; + if (requestType & REQUEST_DEVICETOHOST) + WaitIN(); + else + ClearIN(); + + bool ok = true; + if (REQUEST_STANDARD == (requestType & REQUEST_TYPE)) + { + // Standard Requests + u8 r = setup.bRequest; + u16 wValue = setup.wValueL | (setup.wValueH << 8); + if (GET_STATUS == r) + { + if (requestType == (REQUEST_DEVICETOHOST | REQUEST_STANDARD | REQUEST_DEVICE)) + { + Send8(_usbCurrentStatus); + Send8(0); + } + else + { + // TODO: handle the HALT state of an endpoint here + // see "Figure 9-6. Information Returned by a GetStatus() Request to an Endpoint" in usb_20.pdf for more information + Send8(0); + Send8(0); + } + } + else if (CLEAR_FEATURE == r) + { + if((requestType == (REQUEST_HOSTTODEVICE | REQUEST_STANDARD | REQUEST_DEVICE)) + && (wValue == DEVICE_REMOTE_WAKEUP)) + { + _usbCurrentStatus &= ~FEATURE_REMOTE_WAKEUP_ENABLED; + } + } + else if (SET_FEATURE == r) + { + if((requestType == (REQUEST_HOSTTODEVICE | REQUEST_STANDARD | REQUEST_DEVICE)) + && (wValue == DEVICE_REMOTE_WAKEUP)) + { + _usbCurrentStatus |= FEATURE_REMOTE_WAKEUP_ENABLED; + } + } + else if (SET_ADDRESS == r) + { + WaitIN(); + UDADDR = setup.wValueL | (1<> 8) & 0xFF) + +#ifndef USB_VERSION +#define USB_VERSION 0x200 +#endif + +// Device +typedef struct { + u8 len; // 18 + u8 dtype; // 1 USB_DEVICE_DESCRIPTOR_TYPE + u16 usbVersion; // 0x200 or 0x210 + u8 deviceClass; + u8 deviceSubClass; + u8 deviceProtocol; + u8 packetSize0; // Packet 0 + u16 idVendor; + u16 idProduct; + u16 deviceVersion; // 0x100 + u8 iManufacturer; + u8 iProduct; + u8 iSerialNumber; + u8 bNumConfigurations; +} DeviceDescriptor; + +// Config +typedef struct { + u8 len; // 9 + u8 dtype; // 2 + u16 clen; // total length + u8 numInterfaces; + u8 config; + u8 iconfig; + u8 attributes; + u8 maxPower; +} ConfigDescriptor; + +// String + +// Interface +typedef struct +{ + u8 len; // 9 + u8 dtype; // 4 + u8 number; + u8 alternate; + u8 numEndpoints; + u8 interfaceClass; + u8 interfaceSubClass; + u8 protocol; + u8 iInterface; +} InterfaceDescriptor; + +// Endpoint +typedef struct +{ + u8 len; // 7 + u8 dtype; // 5 + u8 addr; + u8 attr; + u16 packetSize; + u8 interval; +} EndpointDescriptor; + +#define D_DEVICE(_class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs) \ + { 18, 1, USB_VERSION, _class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs } + +#define D_CONFIG(_totalLength,_interfaces) \ + { 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED | USB_CONFIG_REMOTE_WAKEUP, USB_CONFIG_POWER_MA(USB_CONFIG_POWER) } + +#define D_INTERFACE(_n,_numEndpoints,_class,_subClass,_protocol) \ + { 9, 4, _n, 0, _numEndpoints, _class,_subClass, _protocol, 0 } + +#define D_ENDPOINT(_addr,_attr,_packetSize, _interval) \ + { 7, 5, _addr,_attr,_packetSize, _interval } + +// Bootloader related fields +// Old Caterina bootloader places the MAGIC key into unsafe RAM locations (it can be rewritten +// by the running sketch before to actual reboot). +// Newer bootloaders, recognizable by the LUFA "signature" at the end of the flash, can handle both +// the usafe and the safe location. +#ifndef MAGIC_KEY +#define MAGIC_KEY 0x7777 +#endif + +#ifndef MAGIC_KEY_POS +#define MAGIC_KEY_POS 0x0800 +#endif + +#ifndef NEW_LUFA_SIGNATURE +#define NEW_LUFA_SIGNATURE 0xDCFB +#endif + +#endif diff --git a/cores/xinput/USBDesc.h b/cores/xinput/USBDesc.h new file mode 100644 index 0000000..fe1af92 --- /dev/null +++ b/cores/xinput/USBDesc.h @@ -0,0 +1,29 @@ +/* + Copyright (c) 2011, Peter Barrett + Copyright (c) 2015, Arduino LLC + + Permission to use, copy, modify, and/or distribute this software for + any purpose with or without fee is hereby granted, provided that the + above copyright notice and this permission notice appear in all copies. + + THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL + WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR + BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES + OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, + ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + SOFTWARE. + */ + +// #define PLUGGABLE_USB_ENABLED // Not compatible with XInput + +#if defined(EPRST6) +#define USB_ENDPOINTS 7 // AtMegaxxU4 +#else +#define USB_ENDPOINTS 5 // AtMegaxxU2 +#endif + +#define IMANUFACTURER 1 +#define IPRODUCT 2 +#define ISERIAL 3 \ No newline at end of file diff --git a/cores/xinput/Udp.h b/cores/xinput/Udp.h new file mode 100644 index 0000000..89f31c6 --- /dev/null +++ b/cores/xinput/Udp.h @@ -0,0 +1,89 @@ +/* + * Udp.cpp: Library to send/receive UDP packets. + * + * NOTE: UDP is fast, but has some important limitations (thanks to Warren Gray for mentioning these) + * 1) UDP does not guarantee the order in which assembled UDP packets are received. This + * might not happen often in practice, but in larger network topologies, a UDP + * packet can be received out of sequence. + * 2) UDP does not guard against lost packets - so packets *can* disappear without the sender being + * aware of it. Again, this may not be a concern in practice on small local networks. + * For more information, see http://www.cafeaulait.org/course/week12/35.html + * + * MIT License: + * Copyright (c) 2008 Bjoern Hartmann + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * bjoern@cs.stanford.edu 12/30/2008 + */ + +#ifndef udp_h +#define udp_h + +#include +#include + +class UDP : public Stream { + +public: + virtual uint8_t begin(uint16_t) =0; // initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use + virtual uint8_t beginMulticast(IPAddress, uint16_t) { return 0; } // initialize, start listening on specified multicast IP address and port. Returns 1 if successful, 0 on failure + virtual void stop() =0; // Finish with the UDP socket + + // Sending UDP packets + + // Start building up a packet to send to the remote host specific in ip and port + // Returns 1 if successful, 0 if there was a problem with the supplied IP address or port + virtual int beginPacket(IPAddress ip, uint16_t port) =0; + // Start building up a packet to send to the remote host specific in host and port + // Returns 1 if successful, 0 if there was a problem resolving the hostname or port + virtual int beginPacket(const char *host, uint16_t port) =0; + // Finish off this packet and send it + // Returns 1 if the packet was sent successfully, 0 if there was an error + virtual int endPacket() =0; + // Write a single byte into the packet + virtual size_t write(uint8_t) =0; + // Write size bytes from buffer into the packet + virtual size_t write(const uint8_t *buffer, size_t size) =0; + + // Start processing the next available incoming packet + // Returns the size of the packet in bytes, or 0 if no packets are available + virtual int parsePacket() =0; + // Number of bytes remaining in the current packet + virtual int available() =0; + // Read a single byte from the current packet + virtual int read() =0; + // Read up to len bytes from the current packet and place them into buffer + // Returns the number of bytes read, or 0 if none are available + virtual int read(unsigned char* buffer, size_t len) =0; + // Read up to len characters from the current packet and place them into buffer + // Returns the number of characters read, or 0 if none are available + virtual int read(char* buffer, size_t len) =0; + // Return the next byte from the current packet without moving on to the next byte + virtual int peek() =0; + virtual void flush() =0; // Finish reading the current packet + + // Return the IP address of the host who sent the current incoming packet + virtual IPAddress remoteIP() =0; + // Return the port of the host who sent the current incoming packet + virtual uint16_t remotePort() =0; +protected: + uint8_t* rawIPAddress(IPAddress& addr) { return addr.raw_address(); }; +}; + +#endif diff --git a/cores/xinput/WCharacter.h b/cores/xinput/WCharacter.h new file mode 100644 index 0000000..79733b5 --- /dev/null +++ b/cores/xinput/WCharacter.h @@ -0,0 +1,168 @@ +/* + WCharacter.h - Character utility functions for Wiring & Arduino + Copyright (c) 2010 Hernando Barragan. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef Character_h +#define Character_h + +#include + +// WCharacter.h prototypes +inline boolean isAlphaNumeric(int c) __attribute__((always_inline)); +inline boolean isAlpha(int c) __attribute__((always_inline)); +inline boolean isAscii(int c) __attribute__((always_inline)); +inline boolean isWhitespace(int c) __attribute__((always_inline)); +inline boolean isControl(int c) __attribute__((always_inline)); +inline boolean isDigit(int c) __attribute__((always_inline)); +inline boolean isGraph(int c) __attribute__((always_inline)); +inline boolean isLowerCase(int c) __attribute__((always_inline)); +inline boolean isPrintable(int c) __attribute__((always_inline)); +inline boolean isPunct(int c) __attribute__((always_inline)); +inline boolean isSpace(int c) __attribute__((always_inline)); +inline boolean isUpperCase(int c) __attribute__((always_inline)); +inline boolean isHexadecimalDigit(int c) __attribute__((always_inline)); +inline int toAscii(int c) __attribute__((always_inline)); +inline int toLowerCase(int c) __attribute__((always_inline)); +inline int toUpperCase(int c)__attribute__((always_inline)); + + +// Checks for an alphanumeric character. +// It is equivalent to (isalpha(c) || isdigit(c)). +inline boolean isAlphaNumeric(int c) +{ + return ( isalnum(c) == 0 ? false : true); +} + + +// Checks for an alphabetic character. +// It is equivalent to (isupper(c) || islower(c)). +inline boolean isAlpha(int c) +{ + return ( isalpha(c) == 0 ? false : true); +} + + +// Checks whether c is a 7-bit unsigned char value +// that fits into the ASCII character set. +inline boolean isAscii(int c) +{ + return ( isascii (c) == 0 ? false : true); +} + + +// Checks for a blank character, that is, a space or a tab. +inline boolean isWhitespace(int c) +{ + return ( isblank (c) == 0 ? false : true); +} + + +// Checks for a control character. +inline boolean isControl(int c) +{ + return ( iscntrl (c) == 0 ? false : true); +} + + +// Checks for a digit (0 through 9). +inline boolean isDigit(int c) +{ + return ( isdigit (c) == 0 ? false : true); +} + + +// Checks for any printable character except space. +inline boolean isGraph(int c) +{ + return ( isgraph (c) == 0 ? false : true); +} + + +// Checks for a lower-case character. +inline boolean isLowerCase(int c) +{ + return (islower (c) == 0 ? false : true); +} + + +// Checks for any printable character including space. +inline boolean isPrintable(int c) +{ + return ( isprint (c) == 0 ? false : true); +} + + +// Checks for any printable character which is not a space +// or an alphanumeric character. +inline boolean isPunct(int c) +{ + return ( ispunct (c) == 0 ? false : true); +} + + +// Checks for white-space characters. For the avr-libc library, +// these are: space, formfeed ('\f'), newline ('\n'), carriage +// return ('\r'), horizontal tab ('\t'), and vertical tab ('\v'). +inline boolean isSpace(int c) +{ + return ( isspace (c) == 0 ? false : true); +} + + +// Checks for an uppercase letter. +inline boolean isUpperCase(int c) +{ + return ( isupper (c) == 0 ? false : true); +} + + +// Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7 +// 8 9 a b c d e f A B C D E F. +inline boolean isHexadecimalDigit(int c) +{ + return ( isxdigit (c) == 0 ? false : true); +} + + +// Converts c to a 7-bit unsigned char value that fits into the +// ASCII character set, by clearing the high-order bits. +inline int toAscii(int c) +{ + return toascii (c); +} + + +// Warning: +// Many people will be unhappy if you use this function. +// This function will convert accented letters into random +// characters. + +// Converts the letter c to lower case, if possible. +inline int toLowerCase(int c) +{ + return tolower (c); +} + + +// Converts the letter c to upper case, if possible. +inline int toUpperCase(int c) +{ + return toupper (c); +} + +#endif \ No newline at end of file diff --git a/cores/xinput/WInterrupts.c b/cores/xinput/WInterrupts.c new file mode 100644 index 0000000..38ea158 --- /dev/null +++ b/cores/xinput/WInterrupts.c @@ -0,0 +1,379 @@ +/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */ + +/* + Part of the Wiring project - http://wiring.uniandes.edu.co + + Copyright (c) 2004-05 Hernando Barragan + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA + + Modified 24 November 2006 by David A. Mellis + Modified 1 August 2010 by Mark Sproul +*/ + +#include +#include +#include +#include +#include + +#include "wiring_private.h" + +static void nothing(void) { +} + +static volatile voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS] = { +#if EXTERNAL_NUM_INTERRUPTS > 8 + #warning There are more than 8 external interrupts. Some callbacks may not be initialized. + nothing, +#endif +#if EXTERNAL_NUM_INTERRUPTS > 7 + nothing, +#endif +#if EXTERNAL_NUM_INTERRUPTS > 6 + nothing, +#endif +#if EXTERNAL_NUM_INTERRUPTS > 5 + nothing, +#endif +#if EXTERNAL_NUM_INTERRUPTS > 4 + nothing, +#endif +#if EXTERNAL_NUM_INTERRUPTS > 3 + nothing, +#endif +#if EXTERNAL_NUM_INTERRUPTS > 2 + nothing, +#endif +#if EXTERNAL_NUM_INTERRUPTS > 1 + nothing, +#endif +#if EXTERNAL_NUM_INTERRUPTS > 0 + nothing, +#endif +}; + +void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) { + if(interruptNum < EXTERNAL_NUM_INTERRUPTS) { + intFunc[interruptNum] = userFunc; + + // Configure the interrupt mode (trigger on low input, any change, rising + // edge, or falling edge). The mode constants were chosen to correspond + // to the configuration bits in the hardware register, so we simply shift + // the mode into place. + + // Enable the interrupt. + + switch (interruptNum) { +#if defined(__AVR_ATmega32U4__) + // I hate doing this, but the register assignment differs between the 1280/2560 + // and the 32U4. Since avrlib defines registers PCMSK1 and PCMSK2 that aren't + // even present on the 32U4 this is the only way to distinguish between them. + case 0: + EICRA = (EICRA & ~((1<= howbig) { + return howsmall; + } + long diff = howbig - howsmall; + return random(diff) + howsmall; +} + +long map(long x, long in_min, long in_max, long out_min, long out_max) +{ + return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min; +} + +unsigned int makeWord(unsigned int w) { return w; } +unsigned int makeWord(unsigned char h, unsigned char l) { return (h << 8) | l; } diff --git a/cores/xinput/WString.cpp b/cores/xinput/WString.cpp new file mode 100644 index 0000000..043fda7 --- /dev/null +++ b/cores/xinput/WString.cpp @@ -0,0 +1,750 @@ +/* + WString.cpp - String library for Wiring & Arduino + ...mostly rewritten by Paul Stoffregen... + Copyright (c) 2009-10 Hernando Barragan. All rights reserved. + Copyright 2011, Paul Stoffregen, paul@pjrc.com + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include "WString.h" + +/*********************************************/ +/* Constructors */ +/*********************************************/ + +String::String(const char *cstr) +{ + init(); + if (cstr) copy(cstr, strlen(cstr)); +} + +String::String(const String &value) +{ + init(); + *this = value; +} + +String::String(const __FlashStringHelper *pstr) +{ + init(); + *this = pstr; +} + +#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) +String::String(String &&rval) +{ + init(); + move(rval); +} +String::String(StringSumHelper &&rval) +{ + init(); + move(rval); +} +#endif + +String::String(char c) +{ + init(); + char buf[2]; + buf[0] = c; + buf[1] = 0; + *this = buf; +} + +String::String(unsigned char value, unsigned char base) +{ + init(); + char buf[1 + 8 * sizeof(unsigned char)]; + utoa(value, buf, base); + *this = buf; +} + +String::String(int value, unsigned char base) +{ + init(); + char buf[2 + 8 * sizeof(int)]; + itoa(value, buf, base); + *this = buf; +} + +String::String(unsigned int value, unsigned char base) +{ + init(); + char buf[1 + 8 * sizeof(unsigned int)]; + utoa(value, buf, base); + *this = buf; +} + +String::String(long value, unsigned char base) +{ + init(); + char buf[2 + 8 * sizeof(long)]; + ltoa(value, buf, base); + *this = buf; +} + +String::String(unsigned long value, unsigned char base) +{ + init(); + char buf[1 + 8 * sizeof(unsigned long)]; + ultoa(value, buf, base); + *this = buf; +} + +String::String(float value, unsigned char decimalPlaces) +{ + init(); + char buf[33]; + *this = dtostrf(value, (decimalPlaces + 2), decimalPlaces, buf); +} + +String::String(double value, unsigned char decimalPlaces) +{ + init(); + char buf[33]; + *this = dtostrf(value, (decimalPlaces + 2), decimalPlaces, buf); +} + +String::~String() +{ + if (buffer) free(buffer); +} + +/*********************************************/ +/* Memory Management */ +/*********************************************/ + +inline void String::init(void) +{ + buffer = NULL; + capacity = 0; + len = 0; +} + +void String::invalidate(void) +{ + if (buffer) free(buffer); + buffer = NULL; + capacity = len = 0; +} + +unsigned char String::reserve(unsigned int size) +{ + if (buffer && capacity >= size) return 1; + if (changeBuffer(size)) { + if (len == 0) buffer[0] = 0; + return 1; + } + return 0; +} + +unsigned char String::changeBuffer(unsigned int maxStrLen) +{ + char *newbuffer = (char *)realloc(buffer, maxStrLen + 1); + if (newbuffer) { + buffer = newbuffer; + capacity = maxStrLen; + return 1; + } + return 0; +} + +/*********************************************/ +/* Copy and Move */ +/*********************************************/ + +String & String::copy(const char *cstr, unsigned int length) +{ + if (!reserve(length)) { + invalidate(); + return *this; + } + len = length; + strcpy(buffer, cstr); + return *this; +} + +String & String::copy(const __FlashStringHelper *pstr, unsigned int length) +{ + if (!reserve(length)) { + invalidate(); + return *this; + } + len = length; + strcpy_P(buffer, (PGM_P)pstr); + return *this; +} + +#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) +void String::move(String &rhs) +{ + if (buffer) { + if (rhs && capacity >= rhs.len) { + strcpy(buffer, rhs.buffer); + len = rhs.len; + rhs.len = 0; + return; + } else { + free(buffer); + } + } + buffer = rhs.buffer; + capacity = rhs.capacity; + len = rhs.len; + rhs.buffer = NULL; + rhs.capacity = 0; + rhs.len = 0; +} +#endif + +String & String::operator = (const String &rhs) +{ + if (this == &rhs) return *this; + + if (rhs.buffer) copy(rhs.buffer, rhs.len); + else invalidate(); + + return *this; +} + +#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) +String & String::operator = (String &&rval) +{ + if (this != &rval) move(rval); + return *this; +} + +String & String::operator = (StringSumHelper &&rval) +{ + if (this != &rval) move(rval); + return *this; +} +#endif + +String & String::operator = (const char *cstr) +{ + if (cstr) copy(cstr, strlen(cstr)); + else invalidate(); + + return *this; +} + +String & String::operator = (const __FlashStringHelper *pstr) +{ + if (pstr) copy(pstr, strlen_P((PGM_P)pstr)); + else invalidate(); + + return *this; +} + +/*********************************************/ +/* concat */ +/*********************************************/ + +unsigned char String::concat(const String &s) +{ + return concat(s.buffer, s.len); +} + +unsigned char String::concat(const char *cstr, unsigned int length) +{ + unsigned int newlen = len + length; + if (!cstr) return 0; + if (length == 0) return 1; + if (!reserve(newlen)) return 0; + strcpy(buffer + len, cstr); + len = newlen; + return 1; +} + +unsigned char String::concat(const char *cstr) +{ + if (!cstr) return 0; + return concat(cstr, strlen(cstr)); +} + +unsigned char String::concat(char c) +{ + char buf[2]; + buf[0] = c; + buf[1] = 0; + return concat(buf, 1); +} + +unsigned char String::concat(unsigned char num) +{ + char buf[1 + 3 * sizeof(unsigned char)]; + itoa(num, buf, 10); + return concat(buf, strlen(buf)); +} + +unsigned char String::concat(int num) +{ + char buf[2 + 3 * sizeof(int)]; + itoa(num, buf, 10); + return concat(buf, strlen(buf)); +} + +unsigned char String::concat(unsigned int num) +{ + char buf[1 + 3 * sizeof(unsigned int)]; + utoa(num, buf, 10); + return concat(buf, strlen(buf)); +} + +unsigned char String::concat(long num) +{ + char buf[2 + 3 * sizeof(long)]; + ltoa(num, buf, 10); + return concat(buf, strlen(buf)); +} + +unsigned char String::concat(unsigned long num) +{ + char buf[1 + 3 * sizeof(unsigned long)]; + ultoa(num, buf, 10); + return concat(buf, strlen(buf)); +} + +unsigned char String::concat(float num) +{ + char buf[20]; + char* string = dtostrf(num, 4, 2, buf); + return concat(string, strlen(string)); +} + +unsigned char String::concat(double num) +{ + char buf[20]; + char* string = dtostrf(num, 4, 2, buf); + return concat(string, strlen(string)); +} + +unsigned char String::concat(const __FlashStringHelper * str) +{ + if (!str) return 0; + int length = strlen_P((const char *) str); + if (length == 0) return 1; + unsigned int newlen = len + length; + if (!reserve(newlen)) return 0; + strcpy_P(buffer + len, (const char *) str); + len = newlen; + return 1; +} + +/*********************************************/ +/* Concatenate */ +/*********************************************/ + +StringSumHelper & operator + (const StringSumHelper &lhs, const String &rhs) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(rhs.buffer, rhs.len)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, const char *cstr) +{ + StringSumHelper &a = const_cast(lhs); + if (!cstr || !a.concat(cstr, strlen(cstr))) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, char c) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(c)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, unsigned char num) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(num)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, int num) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(num)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, unsigned int num) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(num)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, long num) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(num)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, unsigned long num) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(num)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, float num) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(num)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, double num) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(num)) a.invalidate(); + return a; +} + +StringSumHelper & operator + (const StringSumHelper &lhs, const __FlashStringHelper *rhs) +{ + StringSumHelper &a = const_cast(lhs); + if (!a.concat(rhs)) a.invalidate(); + return a; +} + +/*********************************************/ +/* Comparison */ +/*********************************************/ + +int String::compareTo(const String &s) const +{ + if (!buffer || !s.buffer) { + if (s.buffer && s.len > 0) return 0 - *(unsigned char *)s.buffer; + if (buffer && len > 0) return *(unsigned char *)buffer; + return 0; + } + return strcmp(buffer, s.buffer); +} + +unsigned char String::equals(const String &s2) const +{ + return (len == s2.len && compareTo(s2) == 0); +} + +unsigned char String::equals(const char *cstr) const +{ + if (len == 0) return (cstr == NULL || *cstr == 0); + if (cstr == NULL) return buffer[0] == 0; + return strcmp(buffer, cstr) == 0; +} + +unsigned char String::operator<(const String &rhs) const +{ + return compareTo(rhs) < 0; +} + +unsigned char String::operator>(const String &rhs) const +{ + return compareTo(rhs) > 0; +} + +unsigned char String::operator<=(const String &rhs) const +{ + return compareTo(rhs) <= 0; +} + +unsigned char String::operator>=(const String &rhs) const +{ + return compareTo(rhs) >= 0; +} + +unsigned char String::equalsIgnoreCase( const String &s2 ) const +{ + if (this == &s2) return 1; + if (len != s2.len) return 0; + if (len == 0) return 1; + const char *p1 = buffer; + const char *p2 = s2.buffer; + while (*p1) { + if (tolower(*p1++) != tolower(*p2++)) return 0; + } + return 1; +} + +unsigned char String::startsWith( const String &s2 ) const +{ + if (len < s2.len) return 0; + return startsWith(s2, 0); +} + +unsigned char String::startsWith( const String &s2, unsigned int offset ) const +{ + if (offset > len - s2.len || !buffer || !s2.buffer) return 0; + return strncmp( &buffer[offset], s2.buffer, s2.len ) == 0; +} + +unsigned char String::endsWith( const String &s2 ) const +{ + if ( len < s2.len || !buffer || !s2.buffer) return 0; + return strcmp(&buffer[len - s2.len], s2.buffer) == 0; +} + +/*********************************************/ +/* Character Access */ +/*********************************************/ + +char String::charAt(unsigned int loc) const +{ + return operator[](loc); +} + +void String::setCharAt(unsigned int loc, char c) +{ + if (loc < len) buffer[loc] = c; +} + +char & String::operator[](unsigned int index) +{ + static char dummy_writable_char; + if (index >= len || !buffer) { + dummy_writable_char = 0; + return dummy_writable_char; + } + return buffer[index]; +} + +char String::operator[]( unsigned int index ) const +{ + if (index >= len || !buffer) return 0; + return buffer[index]; +} + +void String::getBytes(unsigned char *buf, unsigned int bufsize, unsigned int index) const +{ + if (!bufsize || !buf) return; + if (index >= len) { + buf[0] = 0; + return; + } + unsigned int n = bufsize - 1; + if (n > len - index) n = len - index; + strncpy((char *)buf, buffer + index, n); + buf[n] = 0; +} + +/*********************************************/ +/* Search */ +/*********************************************/ + +int String::indexOf(char c) const +{ + return indexOf(c, 0); +} + +int String::indexOf( char ch, unsigned int fromIndex ) const +{ + if (fromIndex >= len) return -1; + const char* temp = strchr(buffer + fromIndex, ch); + if (temp == NULL) return -1; + return temp - buffer; +} + +int String::indexOf(const String &s2) const +{ + return indexOf(s2, 0); +} + +int String::indexOf(const String &s2, unsigned int fromIndex) const +{ + if (fromIndex >= len) return -1; + const char *found = strstr(buffer + fromIndex, s2.buffer); + if (found == NULL) return -1; + return found - buffer; +} + +int String::lastIndexOf( char theChar ) const +{ + return lastIndexOf(theChar, len - 1); +} + +int String::lastIndexOf(char ch, unsigned int fromIndex) const +{ + if (fromIndex >= len) return -1; + char tempchar = buffer[fromIndex + 1]; + buffer[fromIndex + 1] = '\0'; + char* temp = strrchr( buffer, ch ); + buffer[fromIndex + 1] = tempchar; + if (temp == NULL) return -1; + return temp - buffer; +} + +int String::lastIndexOf(const String &s2) const +{ + return lastIndexOf(s2, len - s2.len); +} + +int String::lastIndexOf(const String &s2, unsigned int fromIndex) const +{ + if (s2.len == 0 || len == 0 || s2.len > len) return -1; + if (fromIndex >= len) fromIndex = len - 1; + int found = -1; + for (char *p = buffer; p <= buffer + fromIndex; p++) { + p = strstr(p, s2.buffer); + if (!p) break; + if ((unsigned int)(p - buffer) <= fromIndex) found = p - buffer; + } + return found; +} + +String String::substring(unsigned int left, unsigned int right) const +{ + if (left > right) { + unsigned int temp = right; + right = left; + left = temp; + } + String out; + if (left >= len) return out; + if (right > len) right = len; + char temp = buffer[right]; // save the replaced character + buffer[right] = '\0'; + out = buffer + left; // pointer arithmetic + buffer[right] = temp; //restore character + return out; +} + +/*********************************************/ +/* Modification */ +/*********************************************/ + +void String::replace(char find, char replace) +{ + if (!buffer) return; + for (char *p = buffer; *p; p++) { + if (*p == find) *p = replace; + } +} + +void String::replace(const String& find, const String& replace) +{ + if (len == 0 || find.len == 0) return; + int diff = replace.len - find.len; + char *readFrom = buffer; + char *foundAt; + if (diff == 0) { + while ((foundAt = strstr(readFrom, find.buffer)) != NULL) { + memcpy(foundAt, replace.buffer, replace.len); + readFrom = foundAt + replace.len; + } + } else if (diff < 0) { + char *writeTo = buffer; + while ((foundAt = strstr(readFrom, find.buffer)) != NULL) { + unsigned int n = foundAt - readFrom; + memcpy(writeTo, readFrom, n); + writeTo += n; + memcpy(writeTo, replace.buffer, replace.len); + writeTo += replace.len; + readFrom = foundAt + find.len; + len += diff; + } + strcpy(writeTo, readFrom); + } else { + unsigned int size = len; // compute size needed for result + while ((foundAt = strstr(readFrom, find.buffer)) != NULL) { + readFrom = foundAt + find.len; + size += diff; + } + if (size == len) return; + if (size > capacity && !changeBuffer(size)) return; // XXX: tell user! + int index = len - 1; + while (index >= 0 && (index = lastIndexOf(find, index)) >= 0) { + readFrom = buffer + index + find.len; + memmove(readFrom + diff, readFrom, len - (readFrom - buffer)); + len += diff; + buffer[len] = 0; + memcpy(buffer + index, replace.buffer, replace.len); + index--; + } + } +} + +void String::remove(unsigned int index){ + // Pass the biggest integer as the count. The remove method + // below will take care of truncating it at the end of the + // string. + remove(index, (unsigned int)-1); +} + +void String::remove(unsigned int index, unsigned int count){ + if (index >= len) { return; } + if (count <= 0) { return; } + if (count > len - index) { count = len - index; } + char *writeTo = buffer + index; + len = len - count; + strncpy(writeTo, buffer + index + count,len - index); + buffer[len] = 0; +} + +void String::toLowerCase(void) +{ + if (!buffer) return; + for (char *p = buffer; *p; p++) { + *p = tolower(*p); + } +} + +void String::toUpperCase(void) +{ + if (!buffer) return; + for (char *p = buffer; *p; p++) { + *p = toupper(*p); + } +} + +void String::trim(void) +{ + if (!buffer || len == 0) return; + char *begin = buffer; + while (isspace(*begin)) begin++; + char *end = buffer + len - 1; + while (isspace(*end) && end >= begin) end--; + len = end + 1 - begin; + if (begin > buffer) memcpy(buffer, begin, len); + buffer[len] = 0; +} + +/*********************************************/ +/* Parsing / Conversion */ +/*********************************************/ + +long String::toInt(void) const +{ + if (buffer) return atol(buffer); + return 0; +} + +float String::toFloat(void) const +{ + return float(toDouble()); +} + +double String::toDouble(void) const +{ + if (buffer) return atof(buffer); + return 0; +} diff --git a/cores/xinput/WString.h b/cores/xinput/WString.h new file mode 100644 index 0000000..2cf4cd7 --- /dev/null +++ b/cores/xinput/WString.h @@ -0,0 +1,229 @@ +/* + WString.h - String library for Wiring & Arduino + ...mostly rewritten by Paul Stoffregen... + Copyright (c) 2009-10 Hernando Barragan. All right reserved. + Copyright 2011, Paul Stoffregen, paul@pjrc.com + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef String_class_h +#define String_class_h +#ifdef __cplusplus + +#include +#include +#include +#include + +// When compiling programs with this class, the following gcc parameters +// dramatically increase performance and memory (RAM) efficiency, typically +// with little or no increase in code size. +// -felide-constructors +// -std=c++0x + +class __FlashStringHelper; +#define F(string_literal) (reinterpret_cast(PSTR(string_literal))) + +// An inherited class for holding the result of a concatenation. These +// result objects are assumed to be writable by subsequent concatenations. +class StringSumHelper; + +// The string class +class String +{ + // use a function pointer to allow for "if (s)" without the + // complications of an operator bool(). for more information, see: + // http://www.artima.com/cppsource/safebool.html + typedef void (String::*StringIfHelperType)() const; + void StringIfHelper() const {} + +public: + // constructors + // creates a copy of the initial value. + // if the initial value is null or invalid, or if memory allocation + // fails, the string will be marked as invalid (i.e. "if (s)" will + // be false). + String(const char *cstr = ""); + String(const String &str); + String(const __FlashStringHelper *str); + #if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) + String(String &&rval); + String(StringSumHelper &&rval); + #endif + explicit String(char c); + explicit String(unsigned char, unsigned char base=10); + explicit String(int, unsigned char base=10); + explicit String(unsigned int, unsigned char base=10); + explicit String(long, unsigned char base=10); + explicit String(unsigned long, unsigned char base=10); + explicit String(float, unsigned char decimalPlaces=2); + explicit String(double, unsigned char decimalPlaces=2); + ~String(void); + + // memory management + // return true on success, false on failure (in which case, the string + // is left unchanged). reserve(0), if successful, will validate an + // invalid string (i.e., "if (s)" will be true afterwards) + unsigned char reserve(unsigned int size); + inline unsigned int length(void) const {return len;} + + // creates a copy of the assigned value. if the value is null or + // invalid, or if the memory allocation fails, the string will be + // marked as invalid ("if (s)" will be false). + String & operator = (const String &rhs); + String & operator = (const char *cstr); + String & operator = (const __FlashStringHelper *str); + #if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) + String & operator = (String &&rval); + String & operator = (StringSumHelper &&rval); + #endif + + // concatenate (works w/ built-in types) + + // returns true on success, false on failure (in which case, the string + // is left unchanged). if the argument is null or invalid, the + // concatenation is considered unsuccessful. + unsigned char concat(const String &str); + unsigned char concat(const char *cstr); + unsigned char concat(char c); + unsigned char concat(unsigned char c); + unsigned char concat(int num); + unsigned char concat(unsigned int num); + unsigned char concat(long num); + unsigned char concat(unsigned long num); + unsigned char concat(float num); + unsigned char concat(double num); + unsigned char concat(const __FlashStringHelper * str); + + // if there's not enough memory for the concatenated value, the string + // will be left unchanged (but this isn't signalled in any way) + String & operator += (const String &rhs) {concat(rhs); return (*this);} + String & operator += (const char *cstr) {concat(cstr); return (*this);} + String & operator += (char c) {concat(c); return (*this);} + String & operator += (unsigned char num) {concat(num); return (*this);} + String & operator += (int num) {concat(num); return (*this);} + String & operator += (unsigned int num) {concat(num); return (*this);} + String & operator += (long num) {concat(num); return (*this);} + String & operator += (unsigned long num) {concat(num); return (*this);} + String & operator += (float num) {concat(num); return (*this);} + String & operator += (double num) {concat(num); return (*this);} + String & operator += (const __FlashStringHelper *str){concat(str); return (*this);} + + friend StringSumHelper & operator + (const StringSumHelper &lhs, const String &rhs); + friend StringSumHelper & operator + (const StringSumHelper &lhs, const char *cstr); + friend StringSumHelper & operator + (const StringSumHelper &lhs, char c); + friend StringSumHelper & operator + (const StringSumHelper &lhs, unsigned char num); + friend StringSumHelper & operator + (const StringSumHelper &lhs, int num); + friend StringSumHelper & operator + (const StringSumHelper &lhs, unsigned int num); + friend StringSumHelper & operator + (const StringSumHelper &lhs, long num); + friend StringSumHelper & operator + (const StringSumHelper &lhs, unsigned long num); + friend StringSumHelper & operator + (const StringSumHelper &lhs, float num); + friend StringSumHelper & operator + (const StringSumHelper &lhs, double num); + friend StringSumHelper & operator + (const StringSumHelper &lhs, const __FlashStringHelper *rhs); + + // comparison (only works w/ Strings and "strings") + operator StringIfHelperType() const { return buffer ? &String::StringIfHelper : 0; } + int compareTo(const String &s) const; + unsigned char equals(const String &s) const; + unsigned char equals(const char *cstr) const; + unsigned char operator == (const String &rhs) const {return equals(rhs);} + unsigned char operator == (const char *cstr) const {return equals(cstr);} + unsigned char operator != (const String &rhs) const {return !equals(rhs);} + unsigned char operator != (const char *cstr) const {return !equals(cstr);} + unsigned char operator < (const String &rhs) const; + unsigned char operator > (const String &rhs) const; + unsigned char operator <= (const String &rhs) const; + unsigned char operator >= (const String &rhs) const; + unsigned char equalsIgnoreCase(const String &s) const; + unsigned char startsWith( const String &prefix) const; + unsigned char startsWith(const String &prefix, unsigned int offset) const; + unsigned char endsWith(const String &suffix) const; + + // character access + char charAt(unsigned int index) const; + void setCharAt(unsigned int index, char c); + char operator [] (unsigned int index) const; + char& operator [] (unsigned int index); + void getBytes(unsigned char *buf, unsigned int bufsize, unsigned int index=0) const; + void toCharArray(char *buf, unsigned int bufsize, unsigned int index=0) const + { getBytes((unsigned char *)buf, bufsize, index); } + const char* c_str() const { return buffer; } + char* begin() { return buffer; } + char* end() { return buffer + length(); } + const char* begin() const { return c_str(); } + const char* end() const { return c_str() + length(); } + + // search + int indexOf( char ch ) const; + int indexOf( char ch, unsigned int fromIndex ) const; + int indexOf( const String &str ) const; + int indexOf( const String &str, unsigned int fromIndex ) const; + int lastIndexOf( char ch ) const; + int lastIndexOf( char ch, unsigned int fromIndex ) const; + int lastIndexOf( const String &str ) const; + int lastIndexOf( const String &str, unsigned int fromIndex ) const; + String substring( unsigned int beginIndex ) const { return substring(beginIndex, len); }; + String substring( unsigned int beginIndex, unsigned int endIndex ) const; + + // modification + void replace(char find, char replace); + void replace(const String& find, const String& replace); + void remove(unsigned int index); + void remove(unsigned int index, unsigned int count); + void toLowerCase(void); + void toUpperCase(void); + void trim(void); + + // parsing/conversion + long toInt(void) const; + float toFloat(void) const; + double toDouble(void) const; + +protected: + char *buffer; // the actual char array + unsigned int capacity; // the array length minus one (for the '\0') + unsigned int len; // the String length (not counting the '\0') +protected: + void init(void); + void invalidate(void); + unsigned char changeBuffer(unsigned int maxStrLen); + unsigned char concat(const char *cstr, unsigned int length); + + // copy and move + String & copy(const char *cstr, unsigned int length); + String & copy(const __FlashStringHelper *pstr, unsigned int length); + #if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) + void move(String &rhs); + #endif +}; + +class StringSumHelper : public String +{ +public: + StringSumHelper(const String &s) : String(s) {} + StringSumHelper(const char *p) : String(p) {} + StringSumHelper(char c) : String(c) {} + StringSumHelper(unsigned char num) : String(num) {} + StringSumHelper(int num) : String(num) {} + StringSumHelper(unsigned int num) : String(num) {} + StringSumHelper(long num) : String(num) {} + StringSumHelper(unsigned long num) : String(num) {} + StringSumHelper(float num) : String(num) {} + StringSumHelper(double num) : String(num) {} +}; + +#endif // __cplusplus +#endif // String_class_h diff --git a/cores/xinput/abi.cpp b/cores/xinput/abi.cpp new file mode 100644 index 0000000..6e1b0f8 --- /dev/null +++ b/cores/xinput/abi.cpp @@ -0,0 +1,36 @@ +/* + Copyright (c) 2014 Arduino. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include + +extern "C" void __cxa_pure_virtual(void) __attribute__ ((__noreturn__)); +extern "C" void __cxa_deleted_virtual(void) __attribute__ ((__noreturn__)); + +namespace std { + [[gnu::weak, noreturn]] void terminate() { + abort(); + } +} + +void __cxa_pure_virtual(void) { + std::terminate(); +} + +void __cxa_deleted_virtual(void) { + std::terminate(); +} diff --git a/cores/xinput/binary.h b/cores/xinput/binary.h new file mode 100644 index 0000000..aec4c73 --- /dev/null +++ b/cores/xinput/binary.h @@ -0,0 +1,534 @@ +/* + binary.h - Definitions for binary constants + Copyright (c) 2006 David A. Mellis. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef Binary_h +#define Binary_h + +#define B0 0 +#define B00 0 +#define B000 0 +#define B0000 0 +#define B00000 0 +#define B000000 0 +#define B0000000 0 +#define B00000000 0 +#define B1 1 +#define B01 1 +#define B001 1 +#define B0001 1 +#define B00001 1 +#define B000001 1 +#define B0000001 1 +#define B00000001 1 +#define B10 2 +#define B010 2 +#define B0010 2 +#define B00010 2 +#define B000010 2 +#define B0000010 2 +#define B00000010 2 +#define B11 3 +#define B011 3 +#define B0011 3 +#define B00011 3 +#define B000011 3 +#define B0000011 3 +#define B00000011 3 +#define B100 4 +#define B0100 4 +#define B00100 4 +#define B000100 4 +#define B0000100 4 +#define B00000100 4 +#define B101 5 +#define B0101 5 +#define B00101 5 +#define B000101 5 +#define B0000101 5 +#define B00000101 5 +#define B110 6 +#define B0110 6 +#define B00110 6 +#define B000110 6 +#define B0000110 6 +#define B00000110 6 +#define B111 7 +#define B0111 7 +#define B00111 7 +#define B000111 7 +#define B0000111 7 +#define B00000111 7 +#define B1000 8 +#define B01000 8 +#define B001000 8 +#define B0001000 8 +#define B00001000 8 +#define B1001 9 +#define B01001 9 +#define B001001 9 +#define B0001001 9 +#define B00001001 9 +#define B1010 10 +#define B01010 10 +#define B001010 10 +#define B0001010 10 +#define B00001010 10 +#define B1011 11 +#define B01011 11 +#define B001011 11 +#define B0001011 11 +#define B00001011 11 +#define B1100 12 +#define B01100 12 +#define B001100 12 +#define B0001100 12 +#define B00001100 12 +#define B1101 13 +#define B01101 13 +#define B001101 13 +#define B0001101 13 +#define B00001101 13 +#define B1110 14 +#define B01110 14 +#define B001110 14 +#define B0001110 14 +#define B00001110 14 +#define B1111 15 +#define B01111 15 +#define B001111 15 +#define B0001111 15 +#define B00001111 15 +#define B10000 16 +#define B010000 16 +#define B0010000 16 +#define B00010000 16 +#define B10001 17 +#define B010001 17 +#define B0010001 17 +#define B00010001 17 +#define B10010 18 +#define B010010 18 +#define B0010010 18 +#define B00010010 18 +#define B10011 19 +#define B010011 19 +#define B0010011 19 +#define B00010011 19 +#define B10100 20 +#define B010100 20 +#define B0010100 20 +#define B00010100 20 +#define B10101 21 +#define B010101 21 +#define B0010101 21 +#define B00010101 21 +#define B10110 22 +#define B010110 22 +#define B0010110 22 +#define B00010110 22 +#define B10111 23 +#define B010111 23 +#define B0010111 23 +#define B00010111 23 +#define B11000 24 +#define B011000 24 +#define B0011000 24 +#define B00011000 24 +#define B11001 25 +#define B011001 25 +#define B0011001 25 +#define B00011001 25 +#define B11010 26 +#define B011010 26 +#define B0011010 26 +#define B00011010 26 +#define B11011 27 +#define B011011 27 +#define B0011011 27 +#define B00011011 27 +#define B11100 28 +#define B011100 28 +#define B0011100 28 +#define B00011100 28 +#define B11101 29 +#define B011101 29 +#define B0011101 29 +#define B00011101 29 +#define B11110 30 +#define B011110 30 +#define B0011110 30 +#define B00011110 30 +#define B11111 31 +#define B011111 31 +#define B0011111 31 +#define B00011111 31 +#define B100000 32 +#define B0100000 32 +#define B00100000 32 +#define B100001 33 +#define B0100001 33 +#define B00100001 33 +#define B100010 34 +#define B0100010 34 +#define B00100010 34 +#define B100011 35 +#define B0100011 35 +#define B00100011 35 +#define B100100 36 +#define B0100100 36 +#define B00100100 36 +#define B100101 37 +#define B0100101 37 +#define B00100101 37 +#define B100110 38 +#define B0100110 38 +#define B00100110 38 +#define B100111 39 +#define B0100111 39 +#define B00100111 39 +#define B101000 40 +#define B0101000 40 +#define B00101000 40 +#define B101001 41 +#define B0101001 41 +#define B00101001 41 +#define B101010 42 +#define B0101010 42 +#define B00101010 42 +#define B101011 43 +#define B0101011 43 +#define B00101011 43 +#define B101100 44 +#define B0101100 44 +#define B00101100 44 +#define B101101 45 +#define B0101101 45 +#define B00101101 45 +#define B101110 46 +#define B0101110 46 +#define B00101110 46 +#define B101111 47 +#define B0101111 47 +#define B00101111 47 +#define B110000 48 +#define B0110000 48 +#define B00110000 48 +#define B110001 49 +#define B0110001 49 +#define B00110001 49 +#define B110010 50 +#define B0110010 50 +#define B00110010 50 +#define B110011 51 +#define B0110011 51 +#define B00110011 51 +#define B110100 52 +#define B0110100 52 +#define B00110100 52 +#define B110101 53 +#define B0110101 53 +#define B00110101 53 +#define B110110 54 +#define B0110110 54 +#define B00110110 54 +#define B110111 55 +#define B0110111 55 +#define B00110111 55 +#define B111000 56 +#define B0111000 56 +#define B00111000 56 +#define B111001 57 +#define B0111001 57 +#define B00111001 57 +#define B111010 58 +#define B0111010 58 +#define B00111010 58 +#define B111011 59 +#define B0111011 59 +#define B00111011 59 +#define B111100 60 +#define B0111100 60 +#define B00111100 60 +#define B111101 61 +#define B0111101 61 +#define B00111101 61 +#define B111110 62 +#define B0111110 62 +#define B00111110 62 +#define B111111 63 +#define B0111111 63 +#define B00111111 63 +#define B1000000 64 +#define B01000000 64 +#define B1000001 65 +#define B01000001 65 +#define B1000010 66 +#define B01000010 66 +#define B1000011 67 +#define B01000011 67 +#define B1000100 68 +#define B01000100 68 +#define B1000101 69 +#define B01000101 69 +#define B1000110 70 +#define B01000110 70 +#define B1000111 71 +#define B01000111 71 +#define B1001000 72 +#define B01001000 72 +#define B1001001 73 +#define B01001001 73 +#define B1001010 74 +#define B01001010 74 +#define B1001011 75 +#define B01001011 75 +#define B1001100 76 +#define B01001100 76 +#define B1001101 77 +#define B01001101 77 +#define B1001110 78 +#define B01001110 78 +#define B1001111 79 +#define B01001111 79 +#define B1010000 80 +#define B01010000 80 +#define B1010001 81 +#define B01010001 81 +#define B1010010 82 +#define B01010010 82 +#define B1010011 83 +#define B01010011 83 +#define B1010100 84 +#define B01010100 84 +#define B1010101 85 +#define B01010101 85 +#define B1010110 86 +#define B01010110 86 +#define B1010111 87 +#define B01010111 87 +#define B1011000 88 +#define B01011000 88 +#define B1011001 89 +#define B01011001 89 +#define B1011010 90 +#define B01011010 90 +#define B1011011 91 +#define B01011011 91 +#define B1011100 92 +#define B01011100 92 +#define B1011101 93 +#define B01011101 93 +#define B1011110 94 +#define B01011110 94 +#define B1011111 95 +#define B01011111 95 +#define B1100000 96 +#define B01100000 96 +#define B1100001 97 +#define B01100001 97 +#define B1100010 98 +#define B01100010 98 +#define B1100011 99 +#define B01100011 99 +#define B1100100 100 +#define B01100100 100 +#define B1100101 101 +#define B01100101 101 +#define B1100110 102 +#define B01100110 102 +#define B1100111 103 +#define B01100111 103 +#define B1101000 104 +#define B01101000 104 +#define B1101001 105 +#define B01101001 105 +#define B1101010 106 +#define B01101010 106 +#define B1101011 107 +#define B01101011 107 +#define B1101100 108 +#define B01101100 108 +#define B1101101 109 +#define B01101101 109 +#define B1101110 110 +#define B01101110 110 +#define B1101111 111 +#define B01101111 111 +#define B1110000 112 +#define B01110000 112 +#define B1110001 113 +#define B01110001 113 +#define B1110010 114 +#define B01110010 114 +#define B1110011 115 +#define B01110011 115 +#define B1110100 116 +#define B01110100 116 +#define B1110101 117 +#define B01110101 117 +#define B1110110 118 +#define B01110110 118 +#define B1110111 119 +#define B01110111 119 +#define B1111000 120 +#define B01111000 120 +#define B1111001 121 +#define B01111001 121 +#define B1111010 122 +#define B01111010 122 +#define B1111011 123 +#define B01111011 123 +#define B1111100 124 +#define B01111100 124 +#define B1111101 125 +#define B01111101 125 +#define B1111110 126 +#define B01111110 126 +#define B1111111 127 +#define B01111111 127 +#define B10000000 128 +#define B10000001 129 +#define B10000010 130 +#define B10000011 131 +#define B10000100 132 +#define B10000101 133 +#define B10000110 134 +#define B10000111 135 +#define B10001000 136 +#define B10001001 137 +#define B10001010 138 +#define B10001011 139 +#define B10001100 140 +#define B10001101 141 +#define B10001110 142 +#define B10001111 143 +#define B10010000 144 +#define B10010001 145 +#define B10010010 146 +#define B10010011 147 +#define B10010100 148 +#define B10010101 149 +#define B10010110 150 +#define B10010111 151 +#define B10011000 152 +#define B10011001 153 +#define B10011010 154 +#define B10011011 155 +#define B10011100 156 +#define B10011101 157 +#define B10011110 158 +#define B10011111 159 +#define B10100000 160 +#define B10100001 161 +#define B10100010 162 +#define B10100011 163 +#define B10100100 164 +#define B10100101 165 +#define B10100110 166 +#define B10100111 167 +#define B10101000 168 +#define B10101001 169 +#define B10101010 170 +#define B10101011 171 +#define B10101100 172 +#define B10101101 173 +#define B10101110 174 +#define B10101111 175 +#define B10110000 176 +#define B10110001 177 +#define B10110010 178 +#define B10110011 179 +#define B10110100 180 +#define B10110101 181 +#define B10110110 182 +#define B10110111 183 +#define B10111000 184 +#define B10111001 185 +#define B10111010 186 +#define B10111011 187 +#define B10111100 188 +#define B10111101 189 +#define B10111110 190 +#define B10111111 191 +#define B11000000 192 +#define B11000001 193 +#define B11000010 194 +#define B11000011 195 +#define B11000100 196 +#define B11000101 197 +#define B11000110 198 +#define B11000111 199 +#define B11001000 200 +#define B11001001 201 +#define B11001010 202 +#define B11001011 203 +#define B11001100 204 +#define B11001101 205 +#define B11001110 206 +#define B11001111 207 +#define B11010000 208 +#define B11010001 209 +#define B11010010 210 +#define B11010011 211 +#define B11010100 212 +#define B11010101 213 +#define B11010110 214 +#define B11010111 215 +#define B11011000 216 +#define B11011001 217 +#define B11011010 218 +#define B11011011 219 +#define B11011100 220 +#define B11011101 221 +#define B11011110 222 +#define B11011111 223 +#define B11100000 224 +#define B11100001 225 +#define B11100010 226 +#define B11100011 227 +#define B11100100 228 +#define B11100101 229 +#define B11100110 230 +#define B11100111 231 +#define B11101000 232 +#define B11101001 233 +#define B11101010 234 +#define B11101011 235 +#define B11101100 236 +#define B11101101 237 +#define B11101110 238 +#define B11101111 239 +#define B11110000 240 +#define B11110001 241 +#define B11110010 242 +#define B11110011 243 +#define B11110100 244 +#define B11110101 245 +#define B11110110 246 +#define B11110111 247 +#define B11111000 248 +#define B11111001 249 +#define B11111010 250 +#define B11111011 251 +#define B11111100 252 +#define B11111101 253 +#define B11111110 254 +#define B11111111 255 + +#endif diff --git a/cores/xinput/hooks.c b/cores/xinput/hooks.c new file mode 100644 index 0000000..641eabc --- /dev/null +++ b/cores/xinput/hooks.c @@ -0,0 +1,31 @@ +/* + Copyright (c) 2012 Arduino. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +/** + * Empty yield() hook. + * + * This function is intended to be used by library writers to build + * libraries or sketches that supports cooperative threads. + * + * Its defined as a weak symbol and it can be redefined to implement a + * real cooperative scheduler. + */ +static void __empty() { + // Empty +} +void yield(void) __attribute__ ((weak, alias("__empty"))); diff --git a/cores/xinput/main.cpp b/cores/xinput/main.cpp new file mode 100644 index 0000000..434cd40 --- /dev/null +++ b/cores/xinput/main.cpp @@ -0,0 +1,52 @@ +/* + main.cpp - Main loop for Arduino sketches + Copyright (c) 2005-2013 Arduino Team. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include + +// Declared weak in Arduino.h to allow user redefinitions. +int atexit(void (* /*func*/ )()) { return 0; } + +// Weak empty variant initialization function. +// May be redefined by variant files. +void initVariant() __attribute__((weak)); +void initVariant() { } + +void setupUSB() __attribute__((weak)); +void setupUSB() { } + +int main(void) +{ + init(); + + initVariant(); + +#if defined(USBCON) + USBDevice.attach(); +#endif + + setup(); + + for (;;) { + loop(); + if (serialEventRun) serialEventRun(); + } + + return 0; +} + diff --git a/cores/xinput/new b/cores/xinput/new new file mode 100644 index 0000000..8cf2103 --- /dev/null +++ b/cores/xinput/new @@ -0,0 +1,66 @@ +/* + Copyright (c) 2014 Arduino. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef NEW_H +#define NEW_H + +#include + +namespace std { + struct nothrow_t {}; + extern const nothrow_t nothrow; + + // These are not actually implemented, to prevent overhead and + // complexity. They are still declared to allow implementing + // them in user code if needed. + typedef void (*new_handler)(); + new_handler set_new_handler(new_handler new_p) noexcept; + new_handler get_new_handler() noexcept; + + // This is normally declared in various headers that we do not have + // available, so just define it here. We could also use ::size_t + // below, but then anyone including can no longer assume + // std::size_t is available. + using size_t = ::size_t; +} // namespace std + +[[gnu::weak]] void * operator new(std::size_t size); +[[gnu::weak]] void * operator new[](std::size_t size); + +[[gnu::weak]] void * operator new(std::size_t size, const std::nothrow_t tag) noexcept; +[[gnu::weak]] void * operator new[](std::size_t size, const std::nothrow_t& tag) noexcept; + +void * operator new(std::size_t size, void *place) noexcept; +void * operator new[](std::size_t size, void *place) noexcept; + +[[gnu::weak]] void operator delete(void * ptr) noexcept; +[[gnu::weak]] void operator delete[](void * ptr) noexcept; + +#if __cplusplus >= 201402L +[[gnu::weak]] void operator delete(void* ptr, std::size_t size) noexcept; +[[gnu::weak]] void operator delete[](void * ptr, std::size_t size) noexcept; +#endif // __cplusplus >= 201402L + +[[gnu::weak]] void operator delete(void* ptr, const std::nothrow_t& tag) noexcept; +[[gnu::weak]] void operator delete[](void* ptr, const std::nothrow_t& tag) noexcept; + +void operator delete(void* ptr, void* place) noexcept; +void operator delete[](void* ptr, void* place) noexcept; + +#endif + diff --git a/cores/xinput/new.cpp b/cores/xinput/new.cpp new file mode 100644 index 0000000..7ca4931 --- /dev/null +++ b/cores/xinput/new.cpp @@ -0,0 +1,117 @@ +/* + Copyright (c) 2014 Arduino. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include "new.h" + +// The C++ spec dictates that allocation failure should cause the +// (non-nothrow version of the) operator new to throw an exception. +// Since we expect to have exceptions disabled, it would be more +// appropriate (and probably standards-compliant) to terminate instead. +// Historically failure causes null to be returned, but this define +// allows switching to more robust terminating behaviour (that might +// become the default at some point in the future). Note that any code +// that wants null to be returned can (and should) use the nothrow +// versions of the new statement anyway and is unaffected by this. +// #define NEW_TERMINATES_ON_FAILURE + +namespace std { + // Defined in abi.cpp + void terminate(); + + const nothrow_t nothrow; +} + +static void * new_helper(std::size_t size) { + // Even zero-sized allocations should return a unique pointer, but + // malloc does not guarantee this + if (size == 0) + size = 1; + return malloc(size); +} + +void * operator new(std::size_t size) { + void *res = new_helper(size); +#if defined(NEW_TERMINATES_ON_FAILURE) + if (!res) + std::terminate(); +#endif + return res; +} +void * operator new[](std::size_t size) { + return operator new(size); +} + +void * operator new(std::size_t size, const std::nothrow_t tag) noexcept { +#if defined(NEW_TERMINATES_ON_FAILURE) + // Cannot call throwing operator new as standard suggests, so call + // new_helper directly then + return new_helper(size); +#else + return operator new(size); +#endif +} +void * operator new[](std::size_t size, const std::nothrow_t& tag) noexcept { +#if defined(NEW_TERMINATES_ON_FAILURE) + // Cannot call throwing operator new[] as standard suggests, so call + // malloc directly then + return new_helper(size); +#else + return operator new[](size); +#endif +} + +void * operator new(std::size_t size, void *place) noexcept { + // Nothing to do + (void)size; // unused + return place; +} +void * operator new[](std::size_t size, void *place) noexcept { + return operator new(size, place); +} + +void operator delete(void * ptr) noexcept { + free(ptr); +} +void operator delete[](void * ptr) noexcept { + operator delete(ptr); +} + +#if __cplusplus >= 201402L +void operator delete(void* ptr, std::size_t size) noexcept { + operator delete(ptr); +} +void operator delete[](void * ptr, std::size_t size) noexcept { + operator delete[](ptr); +} +#endif // __cplusplus >= 201402L + +void operator delete(void* ptr, const std::nothrow_t& tag) noexcept { + operator delete(ptr); +} +void operator delete[](void* ptr, const std::nothrow_t& tag) noexcept { + operator delete[](ptr); +} + +void operator delete(void* ptr, void* place) noexcept { + (void)ptr; (void)place; // unused + // Nothing to do +} +void operator delete[](void* ptr, void* place) noexcept { + (void)ptr; (void)place; // unused + // Nothing to do +} diff --git a/cores/xinput/new.h b/cores/xinput/new.h new file mode 100644 index 0000000..d529853 --- /dev/null +++ b/cores/xinput/new.h @@ -0,0 +1,3 @@ +// This file originally used a non-standard name for this Arduino core +// only, so still expose the old new.h name for compatibility. +#include "new" diff --git a/cores/xinput/wiring.c b/cores/xinput/wiring.c new file mode 100644 index 0000000..8caf455 --- /dev/null +++ b/cores/xinput/wiring.c @@ -0,0 +1,392 @@ +/* + wiring.c - Partial implementation of the Wiring API for the ATmega8. + Part of Arduino - http://www.arduino.cc/ + + Copyright (c) 2005-2006 David A. Mellis + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA +*/ + +#include "wiring_private.h" + +// the prescaler is set so that timer0 ticks every 64 clock cycles, and the +// the overflow handler is called every 256 ticks. +#define MICROSECONDS_PER_TIMER0_OVERFLOW (clockCyclesToMicroseconds(64 * 256)) + +// the whole number of milliseconds per timer0 overflow +#define MILLIS_INC (MICROSECONDS_PER_TIMER0_OVERFLOW / 1000) + +// the fractional number of milliseconds per timer0 overflow. we shift right +// by three to fit these numbers into a byte. (for the clock speeds we care +// about - 8 and 16 MHz - this doesn't lose precision.) +#define FRACT_INC ((MICROSECONDS_PER_TIMER0_OVERFLOW % 1000) >> 3) +#define FRACT_MAX (1000 >> 3) + +volatile unsigned long timer0_overflow_count = 0; +volatile unsigned long timer0_millis = 0; +static unsigned char timer0_fract = 0; + +#if defined(TIM0_OVF_vect) +ISR(TIM0_OVF_vect) +#else +ISR(TIMER0_OVF_vect) +#endif +{ + // copy these to local variables so they can be stored in registers + // (volatile variables must be read from memory on every access) + unsigned long m = timer0_millis; + unsigned char f = timer0_fract; + + m += MILLIS_INC; + f += FRACT_INC; + if (f >= FRACT_MAX) { + f -= FRACT_MAX; + m += 1; + } + + timer0_fract = f; + timer0_millis = m; + timer0_overflow_count++; +} + +unsigned long millis() +{ + unsigned long m; + uint8_t oldSREG = SREG; + + // disable interrupts while we read timer0_millis or we might get an + // inconsistent value (e.g. in the middle of a write to timer0_millis) + cli(); + m = timer0_millis; + SREG = oldSREG; + + return m; +} + +unsigned long micros() { + unsigned long m; + uint8_t oldSREG = SREG, t; + + cli(); + m = timer0_overflow_count; +#if defined(TCNT0) + t = TCNT0; +#elif defined(TCNT0L) + t = TCNT0L; +#else + #error TIMER 0 not defined +#endif + +#ifdef TIFR0 + if ((TIFR0 & _BV(TOV0)) && (t < 255)) + m++; +#else + if ((TIFR & _BV(TOV0)) && (t < 255)) + m++; +#endif + + SREG = oldSREG; + + return ((m << 8) + t) * (64 / clockCyclesPerMicrosecond()); +} + +void delay(unsigned long ms) +{ + uint32_t start = micros(); + + while (ms > 0) { + yield(); + while ( ms > 0 && (micros() - start) >= 1000) { + ms--; + start += 1000; + } + } +} + +/* Delay for the given number of microseconds. Assumes a 1, 8, 12, 16, 20 or 24 MHz clock. */ +void delayMicroseconds(unsigned int us) +{ + // call = 4 cycles + 2 to 4 cycles to init us(2 for constant delay, 4 for variable) + + // calling avrlib's delay_us() function with low values (e.g. 1 or + // 2 microseconds) gives delays longer than desired. + //delay_us(us); +#if F_CPU >= 24000000L + // for the 24 MHz clock for the adventurous ones trying to overclock + + // zero delay fix + if (!us) return; // = 3 cycles, (4 when true) + + // the following loop takes a 1/6 of a microsecond (4 cycles) + // per iteration, so execute it six times for each microsecond of + // delay requested. + us *= 6; // x6 us, = 7 cycles + + // account for the time taken in the preceding commands. + // we just burned 22 (24) cycles above, remove 5, (5*4=20) + // us is at least 6 so we can subtract 5 + us -= 5; //=2 cycles + +#elif F_CPU >= 20000000L + // for the 20 MHz clock on rare Arduino boards + + // for a one-microsecond delay, simply return. the overhead + // of the function call takes 18 (20) cycles, which is 1us + __asm__ __volatile__ ( + "nop" "\n\t" + "nop" "\n\t" + "nop" "\n\t" + "nop"); //just waiting 4 cycles + if (us <= 1) return; // = 3 cycles, (4 when true) + + // the following loop takes a 1/5 of a microsecond (4 cycles) + // per iteration, so execute it five times for each microsecond of + // delay requested. + us = (us << 2) + us; // x5 us, = 7 cycles + + // account for the time taken in the preceding commands. + // we just burned 26 (28) cycles above, remove 7, (7*4=28) + // us is at least 10 so we can subtract 7 + us -= 7; // 2 cycles + +#elif F_CPU >= 16000000L + // for the 16 MHz clock on most Arduino boards + + // for a one-microsecond delay, simply return. the overhead + // of the function call takes 14 (16) cycles, which is 1us + if (us <= 1) return; // = 3 cycles, (4 when true) + + // the following loop takes 1/4 of a microsecond (4 cycles) + // per iteration, so execute it four times for each microsecond of + // delay requested. + us <<= 2; // x4 us, = 4 cycles + + // account for the time taken in the preceding commands. + // we just burned 19 (21) cycles above, remove 5, (5*4=20) + // us is at least 8 so we can subtract 5 + us -= 5; // = 2 cycles, + +#elif F_CPU >= 12000000L + // for the 12 MHz clock if somebody is working with USB + + // for a 1 microsecond delay, simply return. the overhead + // of the function call takes 14 (16) cycles, which is 1.5us + if (us <= 1) return; // = 3 cycles, (4 when true) + + // the following loop takes 1/3 of a microsecond (4 cycles) + // per iteration, so execute it three times for each microsecond of + // delay requested. + us = (us << 1) + us; // x3 us, = 5 cycles + + // account for the time taken in the preceding commands. + // we just burned 20 (22) cycles above, remove 5, (5*4=20) + // us is at least 6 so we can subtract 5 + us -= 5; //2 cycles + +#elif F_CPU >= 8000000L + // for the 8 MHz internal clock + + // for a 1 and 2 microsecond delay, simply return. the overhead + // of the function call takes 14 (16) cycles, which is 2us + if (us <= 2) return; // = 3 cycles, (4 when true) + + // the following loop takes 1/2 of a microsecond (4 cycles) + // per iteration, so execute it twice for each microsecond of + // delay requested. + us <<= 1; //x2 us, = 2 cycles + + // account for the time taken in the preceding commands. + // we just burned 17 (19) cycles above, remove 4, (4*4=16) + // us is at least 6 so we can subtract 4 + us -= 4; // = 2 cycles + +#else + // for the 1 MHz internal clock (default settings for common Atmega microcontrollers) + + // the overhead of the function calls is 14 (16) cycles + if (us <= 16) return; //= 3 cycles, (4 when true) + if (us <= 25) return; //= 3 cycles, (4 when true), (must be at least 25 if we want to subtract 22) + + // compensate for the time taken by the preceding and next commands (about 22 cycles) + us -= 22; // = 2 cycles + // the following loop takes 4 microseconds (4 cycles) + // per iteration, so execute it us/4 times + // us is at least 4, divided by 4 gives us 1 (no zero delay bug) + us >>= 2; // us div 4, = 4 cycles + + +#endif + + // busy wait + __asm__ __volatile__ ( + "1: sbiw %0,1" "\n\t" // 2 cycles + "brne 1b" : "=w" (us) : "0" (us) // 2 cycles + ); + // return = 4 cycles +} + +void init() +{ + // this needs to be called before setup() or some functions won't + // work there + sei(); + + // on the ATmega168, timer 0 is also used for fast hardware pwm + // (using phase-correct PWM would mean that timer 0 overflowed half as often + // resulting in different millis() behavior on the ATmega8 and ATmega168) +#if defined(TCCR0A) && defined(WGM01) + sbi(TCCR0A, WGM01); + sbi(TCCR0A, WGM00); +#endif + + // set timer 0 prescale factor to 64 +#if defined(__AVR_ATmega128__) + // CPU specific: different values for the ATmega128 + sbi(TCCR0, CS02); +#elif defined(TCCR0) && defined(CS01) && defined(CS00) + // this combination is for the standard atmega8 + sbi(TCCR0, CS01); + sbi(TCCR0, CS00); +#elif defined(TCCR0B) && defined(CS01) && defined(CS00) + // this combination is for the standard 168/328/1280/2560 + sbi(TCCR0B, CS01); + sbi(TCCR0B, CS00); +#elif defined(TCCR0A) && defined(CS01) && defined(CS00) + // this combination is for the __AVR_ATmega645__ series + sbi(TCCR0A, CS01); + sbi(TCCR0A, CS00); +#else + #error Timer 0 prescale factor 64 not set correctly +#endif + + // enable timer 0 overflow interrupt +#if defined(TIMSK) && defined(TOIE0) + sbi(TIMSK, TOIE0); +#elif defined(TIMSK0) && defined(TOIE0) + sbi(TIMSK0, TOIE0); +#else + #error Timer 0 overflow interrupt not set correctly +#endif + + // timers 1 and 2 are used for phase-correct hardware pwm + // this is better for motors as it ensures an even waveform + // note, however, that fast pwm mode can achieve a frequency of up + // 8 MHz (with a 16 MHz clock) at 50% duty cycle + +#if defined(TCCR1B) && defined(CS11) && defined(CS10) + TCCR1B = 0; + + // set timer 1 prescale factor to 64 + sbi(TCCR1B, CS11); +#if F_CPU >= 8000000L + sbi(TCCR1B, CS10); +#endif +#elif defined(TCCR1) && defined(CS11) && defined(CS10) + sbi(TCCR1, CS11); +#if F_CPU >= 8000000L + sbi(TCCR1, CS10); +#endif +#endif + // put timer 1 in 8-bit phase correct pwm mode +#if defined(TCCR1A) && defined(WGM10) + sbi(TCCR1A, WGM10); +#endif + + // set timer 2 prescale factor to 64 +#if defined(TCCR2) && defined(CS22) + sbi(TCCR2, CS22); +#elif defined(TCCR2B) && defined(CS22) + sbi(TCCR2B, CS22); +//#else + // Timer 2 not finished (may not be present on this CPU) +#endif + + // configure timer 2 for phase correct pwm (8-bit) +#if defined(TCCR2) && defined(WGM20) + sbi(TCCR2, WGM20); +#elif defined(TCCR2A) && defined(WGM20) + sbi(TCCR2A, WGM20); +//#else + // Timer 2 not finished (may not be present on this CPU) +#endif + +#if defined(TCCR3B) && defined(CS31) && defined(WGM30) + sbi(TCCR3B, CS31); // set timer 3 prescale factor to 64 + sbi(TCCR3B, CS30); + sbi(TCCR3A, WGM30); // put timer 3 in 8-bit phase correct pwm mode +#endif + +#if defined(TCCR4A) && defined(TCCR4B) && defined(TCCR4D) /* beginning of timer4 block for 32U4 and similar */ + sbi(TCCR4B, CS42); // set timer4 prescale factor to 64 + sbi(TCCR4B, CS41); + sbi(TCCR4B, CS40); + sbi(TCCR4D, WGM40); // put timer 4 in phase- and frequency-correct PWM mode + sbi(TCCR4A, PWM4A); // enable PWM mode for comparator OCR4A + sbi(TCCR4C, PWM4D); // enable PWM mode for comparator OCR4D +#else /* beginning of timer4 block for ATMEGA1280 and ATMEGA2560 */ +#if defined(TCCR4B) && defined(CS41) && defined(WGM40) + sbi(TCCR4B, CS41); // set timer 4 prescale factor to 64 + sbi(TCCR4B, CS40); + sbi(TCCR4A, WGM40); // put timer 4 in 8-bit phase correct pwm mode +#endif +#endif /* end timer4 block for ATMEGA1280/2560 and similar */ + +#if defined(TCCR5B) && defined(CS51) && defined(WGM50) + sbi(TCCR5B, CS51); // set timer 5 prescale factor to 64 + sbi(TCCR5B, CS50); + sbi(TCCR5A, WGM50); // put timer 5 in 8-bit phase correct pwm mode +#endif + +#if defined(ADCSRA) + // set a2d prescaler so we are inside the desired 50-200 KHz range. + #if F_CPU >= 16000000 // 16 MHz / 128 = 125 KHz + sbi(ADCSRA, ADPS2); + sbi(ADCSRA, ADPS1); + sbi(ADCSRA, ADPS0); + #elif F_CPU >= 8000000 // 8 MHz / 64 = 125 KHz + sbi(ADCSRA, ADPS2); + sbi(ADCSRA, ADPS1); + cbi(ADCSRA, ADPS0); + #elif F_CPU >= 4000000 // 4 MHz / 32 = 125 KHz + sbi(ADCSRA, ADPS2); + cbi(ADCSRA, ADPS1); + sbi(ADCSRA, ADPS0); + #elif F_CPU >= 2000000 // 2 MHz / 16 = 125 KHz + sbi(ADCSRA, ADPS2); + cbi(ADCSRA, ADPS1); + cbi(ADCSRA, ADPS0); + #elif F_CPU >= 1000000 // 1 MHz / 8 = 125 KHz + cbi(ADCSRA, ADPS2); + sbi(ADCSRA, ADPS1); + sbi(ADCSRA, ADPS0); + #else // 128 kHz / 2 = 64 KHz -> This is the closest you can get, the prescaler is 2 + cbi(ADCSRA, ADPS2); + cbi(ADCSRA, ADPS1); + sbi(ADCSRA, ADPS0); + #endif + // enable a2d conversions + sbi(ADCSRA, ADEN); +#endif + + // the bootloader connects pins 0 and 1 to the USART; disconnect them + // here so they can be used as normal digital i/o; they will be + // reconnected in Serial.begin() +#if defined(UCSRB) + UCSRB = 0; +#elif defined(UCSR0B) + UCSR0B = 0; +#endif +} diff --git a/cores/xinput/wiring_analog.c b/cores/xinput/wiring_analog.c new file mode 100644 index 0000000..0de64f7 --- /dev/null +++ b/cores/xinput/wiring_analog.c @@ -0,0 +1,286 @@ +/* + wiring_analog.c - analog input and output + Part of Arduino - http://www.arduino.cc/ + + Copyright (c) 2005-2006 David A. Mellis + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA + + Modified 28 September 2010 by Mark Sproul +*/ + +#include "wiring_private.h" +#include "pins_arduino.h" + +uint8_t analog_reference = DEFAULT; + +void analogReference(uint8_t mode) +{ + // can't actually set the register here because the default setting + // will connect AVCC and the AREF pin, which would cause a short if + // there's something connected to AREF. + analog_reference = mode; +} + +int analogRead(uint8_t pin) +{ + +#if defined(analogPinToChannel) +#if defined(__AVR_ATmega32U4__) + if (pin >= 18) pin -= 18; // allow for channel or pin numbers +#endif + pin = analogPinToChannel(pin); +#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) + if (pin >= 54) pin -= 54; // allow for channel or pin numbers +#elif defined(__AVR_ATmega32U4__) + if (pin >= 18) pin -= 18; // allow for channel or pin numbers +#elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) + if (pin >= 24) pin -= 24; // allow for channel or pin numbers +#else + if (pin >= 14) pin -= 14; // allow for channel or pin numbers +#endif + +#if defined(ADCSRB) && defined(MUX5) + // the MUX5 bit of ADCSRB selects whether we're reading from channels + // 0 to 7 (MUX5 low) or 8 to 15 (MUX5 high). + ADCSRB = (ADCSRB & ~(1 << MUX5)) | (((pin >> 3) & 0x01) << MUX5); +#endif + + // set the analog reference (high two bits of ADMUX) and select the + // channel (low 4 bits). this also sets ADLAR (left-adjust result) + // to 0 (the default). +#if defined(ADMUX) +#if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) + ADMUX = (analog_reference << 4) | (pin & 0x07); +#else + ADMUX = (analog_reference << 6) | (pin & 0x07); +#endif +#endif + + // without a delay, we seem to read from the wrong channel + //delay(1); + +#if defined(ADCSRA) && defined(ADC) + // start the conversion + sbi(ADCSRA, ADSC); + + // ADSC is cleared when the conversion finishes + while (bit_is_set(ADCSRA, ADSC)); + + // ADC macro takes care of reading ADC register. + // avr-gcc implements the proper reading order: ADCL is read first. + return ADC; +#else + // we dont have an ADC, return 0 + return 0; +#endif +} + +// Right now, PWM output only works on the pins with +// hardware support. These are defined in the appropriate +// pins_*.c file. For the rest of the pins, we default +// to digital output. +void analogWrite(uint8_t pin, int val) +{ + // We need to make sure the PWM output is enabled for those pins + // that support it, as we turn it off when digitally reading or + // writing with them. Also, make sure the pin is in output mode + // for consistenty with Wiring, which doesn't require a pinMode + // call for the analog output pins. + pinMode(pin, OUTPUT); + if (val == 0) + { + digitalWrite(pin, LOW); + } + else if (val == 255) + { + digitalWrite(pin, HIGH); + } + else + { + switch(digitalPinToTimer(pin)) + { + // XXX fix needed for atmega8 + #if defined(TCCR0) && defined(COM00) && !defined(__AVR_ATmega8__) + case TIMER0A: + // connect pwm to pin on timer 0 + sbi(TCCR0, COM00); + OCR0 = val; // set pwm duty + break; + #endif + + #if defined(TCCR0A) && defined(COM0A1) + case TIMER0A: + // connect pwm to pin on timer 0, channel A + sbi(TCCR0A, COM0A1); + OCR0A = val; // set pwm duty + break; + #endif + + #if defined(TCCR0A) && defined(COM0B1) + case TIMER0B: + // connect pwm to pin on timer 0, channel B + sbi(TCCR0A, COM0B1); + OCR0B = val; // set pwm duty + break; + #endif + + #if defined(TCCR1A) && defined(COM1A1) + case TIMER1A: + // connect pwm to pin on timer 1, channel A + sbi(TCCR1A, COM1A1); + OCR1A = val; // set pwm duty + break; + #endif + + #if defined(TCCR1A) && defined(COM1B1) + case TIMER1B: + // connect pwm to pin on timer 1, channel B + sbi(TCCR1A, COM1B1); + OCR1B = val; // set pwm duty + break; + #endif + + #if defined(TCCR1A) && defined(COM1C1) + case TIMER1C: + // connect pwm to pin on timer 1, channel C + sbi(TCCR1A, COM1C1); + OCR1C = val; // set pwm duty + break; + #endif + + #if defined(TCCR2) && defined(COM21) + case TIMER2: + // connect pwm to pin on timer 2 + sbi(TCCR2, COM21); + OCR2 = val; // set pwm duty + break; + #endif + + #if defined(TCCR2A) && defined(COM2A1) + case TIMER2A: + // connect pwm to pin on timer 2, channel A + sbi(TCCR2A, COM2A1); + OCR2A = val; // set pwm duty + break; + #endif + + #if defined(TCCR2A) && defined(COM2B1) + case TIMER2B: + // connect pwm to pin on timer 2, channel B + sbi(TCCR2A, COM2B1); + OCR2B = val; // set pwm duty + break; + #endif + + #if defined(TCCR3A) && defined(COM3A1) + case TIMER3A: + // connect pwm to pin on timer 3, channel A + sbi(TCCR3A, COM3A1); + OCR3A = val; // set pwm duty + break; + #endif + + #if defined(TCCR3A) && defined(COM3B1) + case TIMER3B: + // connect pwm to pin on timer 3, channel B + sbi(TCCR3A, COM3B1); + OCR3B = val; // set pwm duty + break; + #endif + + #if defined(TCCR3A) && defined(COM3C1) + case TIMER3C: + // connect pwm to pin on timer 3, channel C + sbi(TCCR3A, COM3C1); + OCR3C = val; // set pwm duty + break; + #endif + + #if defined(TCCR4A) + case TIMER4A: + //connect pwm to pin on timer 4, channel A + sbi(TCCR4A, COM4A1); + #if defined(COM4A0) // only used on 32U4 + cbi(TCCR4A, COM4A0); + #endif + OCR4A = val; // set pwm duty + break; + #endif + + #if defined(TCCR4A) && defined(COM4B1) + case TIMER4B: + // connect pwm to pin on timer 4, channel B + sbi(TCCR4A, COM4B1); + OCR4B = val; // set pwm duty + break; + #endif + + #if defined(TCCR4A) && defined(COM4C1) + case TIMER4C: + // connect pwm to pin on timer 4, channel C + sbi(TCCR4A, COM4C1); + OCR4C = val; // set pwm duty + break; + #endif + + #if defined(TCCR4C) && defined(COM4D1) + case TIMER4D: + // connect pwm to pin on timer 4, channel D + sbi(TCCR4C, COM4D1); + #if defined(COM4D0) // only used on 32U4 + cbi(TCCR4C, COM4D0); + #endif + OCR4D = val; // set pwm duty + break; + #endif + + + #if defined(TCCR5A) && defined(COM5A1) + case TIMER5A: + // connect pwm to pin on timer 5, channel A + sbi(TCCR5A, COM5A1); + OCR5A = val; // set pwm duty + break; + #endif + + #if defined(TCCR5A) && defined(COM5B1) + case TIMER5B: + // connect pwm to pin on timer 5, channel B + sbi(TCCR5A, COM5B1); + OCR5B = val; // set pwm duty + break; + #endif + + #if defined(TCCR5A) && defined(COM5C1) + case TIMER5C: + // connect pwm to pin on timer 5, channel C + sbi(TCCR5A, COM5C1); + OCR5C = val; // set pwm duty + break; + #endif + + case NOT_ON_TIMER: + default: + if (val < 128) { + digitalWrite(pin, LOW); + } else { + digitalWrite(pin, HIGH); + } + } + } +} + diff --git a/cores/xinput/wiring_digital.c b/cores/xinput/wiring_digital.c new file mode 100644 index 0000000..432a150 --- /dev/null +++ b/cores/xinput/wiring_digital.c @@ -0,0 +1,179 @@ +/* + wiring_digital.c - digital input and output functions + Part of Arduino - http://www.arduino.cc/ + + Copyright (c) 2005-2006 David A. Mellis + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA + + Modified 28 September 2010 by Mark Sproul +*/ + +#define ARDUINO_MAIN +#include "wiring_private.h" +#include "pins_arduino.h" + +void pinMode(uint8_t pin, uint8_t mode) +{ + uint8_t bit = digitalPinToBitMask(pin); + uint8_t port = digitalPinToPort(pin); + volatile uint8_t *reg, *out; + + if (port == NOT_A_PIN) return; + + // JWS: can I let the optimizer do this? + reg = portModeRegister(port); + out = portOutputRegister(port); + + if (mode == INPUT) { + uint8_t oldSREG = SREG; + cli(); + *reg &= ~bit; + *out &= ~bit; + SREG = oldSREG; + } else if (mode == INPUT_PULLUP) { + uint8_t oldSREG = SREG; + cli(); + *reg &= ~bit; + *out |= bit; + SREG = oldSREG; + } else { + uint8_t oldSREG = SREG; + cli(); + *reg |= bit; + SREG = oldSREG; + } +} + +// Forcing this inline keeps the callers from having to push their own stuff +// on the stack. It is a good performance win and only takes 1 more byte per +// user than calling. (It will take more bytes on the 168.) +// +// But shouldn't this be moved into pinMode? Seems silly to check and do on +// each digitalread or write. +// +// Mark Sproul: +// - Removed inline. Save 170 bytes on atmega1280 +// - changed to a switch statement; added 32 bytes but much easier to read and maintain. +// - Added more #ifdefs, now compiles for atmega645 +// +//static inline void turnOffPWM(uint8_t timer) __attribute__ ((always_inline)); +//static inline void turnOffPWM(uint8_t timer) +static void turnOffPWM(uint8_t timer) +{ + switch (timer) + { + #if defined(TCCR1A) && defined(COM1A1) + case TIMER1A: cbi(TCCR1A, COM1A1); break; + #endif + #if defined(TCCR1A) && defined(COM1B1) + case TIMER1B: cbi(TCCR1A, COM1B1); break; + #endif + #if defined(TCCR1A) && defined(COM1C1) + case TIMER1C: cbi(TCCR1A, COM1C1); break; + #endif + + #if defined(TCCR2) && defined(COM21) + case TIMER2: cbi(TCCR2, COM21); break; + #endif + + #if defined(TCCR0A) && defined(COM0A1) + case TIMER0A: cbi(TCCR0A, COM0A1); break; + #endif + + #if defined(TCCR0A) && defined(COM0B1) + case TIMER0B: cbi(TCCR0A, COM0B1); break; + #endif + #if defined(TCCR2A) && defined(COM2A1) + case TIMER2A: cbi(TCCR2A, COM2A1); break; + #endif + #if defined(TCCR2A) && defined(COM2B1) + case TIMER2B: cbi(TCCR2A, COM2B1); break; + #endif + + #if defined(TCCR3A) && defined(COM3A1) + case TIMER3A: cbi(TCCR3A, COM3A1); break; + #endif + #if defined(TCCR3A) && defined(COM3B1) + case TIMER3B: cbi(TCCR3A, COM3B1); break; + #endif + #if defined(TCCR3A) && defined(COM3C1) + case TIMER3C: cbi(TCCR3A, COM3C1); break; + #endif + + #if defined(TCCR4A) && defined(COM4A1) + case TIMER4A: cbi(TCCR4A, COM4A1); break; + #endif + #if defined(TCCR4A) && defined(COM4B1) + case TIMER4B: cbi(TCCR4A, COM4B1); break; + #endif + #if defined(TCCR4A) && defined(COM4C1) + case TIMER4C: cbi(TCCR4A, COM4C1); break; + #endif + #if defined(TCCR4C) && defined(COM4D1) + case TIMER4D: cbi(TCCR4C, COM4D1); break; + #endif + + #if defined(TCCR5A) + case TIMER5A: cbi(TCCR5A, COM5A1); break; + case TIMER5B: cbi(TCCR5A, COM5B1); break; + case TIMER5C: cbi(TCCR5A, COM5C1); break; + #endif + } +} + +void digitalWrite(uint8_t pin, uint8_t val) +{ + uint8_t timer = digitalPinToTimer(pin); + uint8_t bit = digitalPinToBitMask(pin); + uint8_t port = digitalPinToPort(pin); + volatile uint8_t *out; + + if (port == NOT_A_PIN) return; + + // If the pin that support PWM output, we need to turn it off + // before doing a digital write. + if (timer != NOT_ON_TIMER) turnOffPWM(timer); + + out = portOutputRegister(port); + + uint8_t oldSREG = SREG; + cli(); + + if (val == LOW) { + *out &= ~bit; + } else { + *out |= bit; + } + + SREG = oldSREG; +} + +int digitalRead(uint8_t pin) +{ + uint8_t timer = digitalPinToTimer(pin); + uint8_t bit = digitalPinToBitMask(pin); + uint8_t port = digitalPinToPort(pin); + + if (port == NOT_A_PIN) return LOW; + + // If the pin that support PWM output, we need to turn it off + // before getting a digital reading. + if (timer != NOT_ON_TIMER) turnOffPWM(timer); + + if (*portInputRegister(port) & bit) return HIGH; + return LOW; +} diff --git a/cores/xinput/wiring_private.h b/cores/xinput/wiring_private.h new file mode 100644 index 0000000..a277b14 --- /dev/null +++ b/cores/xinput/wiring_private.h @@ -0,0 +1,72 @@ +/* + wiring_private.h - Internal header file. + Part of Arduino - http://www.arduino.cc/ + + Copyright (c) 2005-2006 David A. Mellis + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA +*/ + +#ifndef WiringPrivate_h +#define WiringPrivate_h + +#include +#include +#include +#include + +#include "Arduino.h" + +#ifdef __cplusplus +extern "C"{ +#endif + +#ifndef cbi +#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit)) +#endif +#ifndef sbi +#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit)) +#endif + +uint32_t countPulseASM(volatile uint8_t *port, uint8_t bit, uint8_t stateMask, unsigned long maxloops); + +#define EXTERNAL_INT_0 0 +#define EXTERNAL_INT_1 1 +#define EXTERNAL_INT_2 2 +#define EXTERNAL_INT_3 3 +#define EXTERNAL_INT_4 4 +#define EXTERNAL_INT_5 5 +#define EXTERNAL_INT_6 6 +#define EXTERNAL_INT_7 7 + +#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega128RFA1__) || defined(__AVR_ATmega256RFR2__) || \ + defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__) +#define EXTERNAL_NUM_INTERRUPTS 8 +#elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) +#define EXTERNAL_NUM_INTERRUPTS 3 +#elif defined(__AVR_ATmega32U4__) +#define EXTERNAL_NUM_INTERRUPTS 5 +#else +#define EXTERNAL_NUM_INTERRUPTS 2 +#endif + +typedef void (*voidFuncPtr)(void); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif diff --git a/cores/xinput/wiring_pulse.S b/cores/xinput/wiring_pulse.S new file mode 100644 index 0000000..1dd22e6 --- /dev/null +++ b/cores/xinput/wiring_pulse.S @@ -0,0 +1,178 @@ +/* + wiring_pulse.s - pulseInASM() function in different flavours + Part of Arduino - http://www.arduino.cc/ + + Copyright (c) 2014 Martino Facchin + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA +*/ + +/* + * The following routine was generated by avr-gcc 4.8.3 with the following parameters + * -gstabs -Wa,-ahlmsd=output.lst -dp -fverbose-asm -O2 + * on the original C function + * + * unsigned long pulseInSimpl(volatile uint8_t *port, uint8_t bit, uint8_t stateMask, unsigned long maxloops) + * { + * unsigned long width = 0; + * // wait for any previous pulse to end + * while ((*port & bit) == stateMask) + * if (--maxloops == 0) + * return 0; + * + * // wait for the pulse to start + * while ((*port & bit) != stateMask) + * if (--maxloops == 0) + * return 0; + * + * // wait for the pulse to stop + * while ((*port & bit) == stateMask) { + * if (++width == maxloops) + * return 0; + * } + * return width; + * } + * + * some compiler outputs were removed but the rest of the code is untouched + */ + +#include + +.section .text + +.global countPulseASM + +countPulseASM: + +.LM0: +.LFBB1: + push r12 ; ; 130 pushqi1/1 [length = 1] + push r13 ; ; 131 pushqi1/1 [length = 1] + push r14 ; ; 132 pushqi1/1 [length = 1] + push r15 ; ; 133 pushqi1/1 [length = 1] + push r16 ; ; 134 pushqi1/1 [length = 1] + push r17 ; ; 135 pushqi1/1 [length = 1] +/* prologue: function */ +/* frame size = 0 */ +/* stack size = 6 */ +.L__stack_usage = 6 + mov r30,r24 ; port, port ; 2 *movhi/1 [length = 2] + mov r31,r25 ; port, port +/* unsigned long width = 0; +*** // wait for any previous pulse to end +*** while ((*port & bit) == stateMask) +*/ +.LM1: + rjmp .L2 ; ; 181 jump [length = 1] +.L4: +/* if (--maxloops == 0) */ +.LM2: + subi r16,1 ; maxloops, ; 17 addsi3/2 [length = 4] + sbc r17, r1 ; maxloops + sbc r18, r1 ; maxloops + sbc r19, r1 ; maxloops + breq .L13 ; , ; 19 branch [length = 1] +.L2: +/* if (--maxloops == 0) */ +.LM3: + ld r25,Z ; D.1554, *port_7(D) ; 22 movqi_insn/4 [length = 1] + and r25,r22 ; D.1554, bit ; 24 andqi3/1 [length = 1] + cp r25,r20 ; D.1554, stateMask ; 25 *cmpqi/2 [length = 1] + breq .L4 ; , ; 26 branch [length = 1] + rjmp .L6 ; ; 184 jump [length = 1] +.L7: +/* return 0; +*** +*** // wait for the pulse to start +*** while ((*port & bit) != stateMask) +*** if (--maxloops == 0) +*/ +.LM4: + subi r16,1 ; maxloops, ; 31 addsi3/2 [length = 4] + sbc r17, r1 ; maxloops + sbc r18, r1 ; maxloops + sbc r19, r1 ; maxloops + breq .L13 ; , ; 33 branch [length = 1] +.L6: +/* if (--maxloops == 0) */ +.LM5: + ld r25,Z ; D.1554, *port_7(D) ; 41 movqi_insn/4 [length = 1] + and r25,r22 ; D.1554, bit ; 43 andqi3/1 [length = 1] + cpse r25,r20 ; D.1554, stateMask ; 44 enable_interrupt-3 [length = 1] + rjmp .L7 ; + mov r12, r1 ; width ; 7 *movsi/2 [length = 4] + mov r13, r1 ; width + mov r14, r1 ; width + mov r15, r1 ; width + rjmp .L9 ; ; 186 jump [length = 1] +.L10: +/* return 0; +*** +*** // wait for the pulse to stop +*** while ((*port & bit) == stateMask) { +*** if (++width == maxloops) +*/ +.LM6: + ldi r24,-1 ; , ; 50 addsi3/3 [length = 5] + sub r12,r24 ; width, + sbc r13,r24 ; width, + sbc r14,r24 ; width, + sbc r15,r24 ; width, + cp r16,r12 ; maxloops, width ; 51 *cmpsi/2 [length = 4] + cpc r17,r13 ; maxloops, width + cpc r18,r14 ; maxloops, width + cpc r19,r15 ; maxloops, width + breq .L13 ; , ; 52 branch [length = 1] +.L9: +/* if (++width == maxloops) */ +.LM7: + ld r24,Z ; D.1554, *port_7(D) ; 60 movqi_insn/4 [length = 1] + and r24,r22 ; D.1554, bit ; 62 andqi3/1 [length = 1] + cp r24,r20 ; D.1554, stateMask ; 63 *cmpqi/2 [length = 1] + breq .L10 ; , ; 64 branch [length = 1] +/* return 0; +*** } +*** return width; +*/ +.LM8: + mov r22,r12 ; D.1553, width ; 108 movqi_insn/1 [length = 1] + mov r23,r13 ; D.1553, width ; 109 movqi_insn/1 [length = 1] + mov r24,r14 ; D.1553, width ; 110 movqi_insn/1 [length = 1] + mov r25,r15 ; D.1553, width ; 111 movqi_insn/1 [length = 1] +/* epilogue start */ +.LM9: + pop r17 ; ; 171 popqi [length = 1] + pop r16 ; ; 172 popqi [length = 1] + pop r15 ; ; 173 popqi [length = 1] + pop r14 ; ; 174 popqi [length = 1] + pop r13 ; ; 175 popqi [length = 1] + pop r12 ; ; 176 popqi [length = 1] + ret ; 177 return_from_epilogue [length = 1] +.L13: +.LM10: + ldi r22,0 ; D.1553 ; 120 movqi_insn/1 [length = 1] + ldi r23,0 ; D.1553 ; 121 movqi_insn/1 [length = 1] + ldi r24,0 ; D.1553 ; 122 movqi_insn/1 [length = 1] + ldi r25,0 ; D.1553 ; 123 movqi_insn/1 [length = 1] +/* epilogue start */ +.LM11: + pop r17 ; ; 138 popqi [length = 1] + pop r16 ; ; 139 popqi [length = 1] + pop r15 ; ; 140 popqi [length = 1] + pop r14 ; ; 141 popqi [length = 1] + pop r13 ; ; 142 popqi [length = 1] + pop r12 ; ; 143 popqi [length = 1] + ret ; 144 return_from_epilogue [length = 1] diff --git a/cores/xinput/wiring_pulse.c b/cores/xinput/wiring_pulse.c new file mode 100644 index 0000000..d6e0434 --- /dev/null +++ b/cores/xinput/wiring_pulse.c @@ -0,0 +1,93 @@ +/* + wiring_pulse.c - pulseIn() function + Part of Arduino - http://www.arduino.cc/ + + Copyright (c) 2005-2006 David A. Mellis + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA +*/ + +#include "wiring_private.h" +#include "pins_arduino.h" + +/* Measures the length (in microseconds) of a pulse on the pin; state is HIGH + * or LOW, the type of pulse to measure. Works on pulses from 2-3 microseconds + * to 3 minutes in length, but must be called at least a few dozen microseconds + * before the start of the pulse. + * + * This function performs better with short pulses in noInterrupt() context + */ +unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout) +{ + // cache the port and bit of the pin in order to speed up the + // pulse width measuring loop and achieve finer resolution. calling + // digitalRead() instead yields much coarser resolution. + uint8_t bit = digitalPinToBitMask(pin); + uint8_t port = digitalPinToPort(pin); + uint8_t stateMask = (state ? bit : 0); + + // convert the timeout from microseconds to a number of times through + // the initial loop; it takes approximately 16 clock cycles per iteration + unsigned long maxloops = microsecondsToClockCycles(timeout)/16; + + unsigned long width = countPulseASM(portInputRegister(port), bit, stateMask, maxloops); + + // prevent clockCyclesToMicroseconds to return bogus values if countPulseASM timed out + if (width) + return clockCyclesToMicroseconds(width * 16 + 16); + else + return 0; +} + +/* Measures the length (in microseconds) of a pulse on the pin; state is HIGH + * or LOW, the type of pulse to measure. Works on pulses from 2-3 microseconds + * to 3 minutes in length, but must be called at least a few dozen microseconds + * before the start of the pulse. + * + * ATTENTION: + * this function relies on micros() so cannot be used in noInterrupt() context + */ +unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout) +{ + // cache the port and bit of the pin in order to speed up the + // pulse width measuring loop and achieve finer resolution. calling + // digitalRead() instead yields much coarser resolution. + uint8_t bit = digitalPinToBitMask(pin); + uint8_t port = digitalPinToPort(pin); + uint8_t stateMask = (state ? bit : 0); + + unsigned long startMicros = micros(); + + // wait for any previous pulse to end + while ((*portInputRegister(port) & bit) == stateMask) { + if (micros() - startMicros > timeout) + return 0; + } + + // wait for the pulse to start + while ((*portInputRegister(port) & bit) != stateMask) { + if (micros() - startMicros > timeout) + return 0; + } + + unsigned long start = micros(); + // wait for the pulse to stop + while ((*portInputRegister(port) & bit) == stateMask) { + if (micros() - startMicros > timeout) + return 0; + } + return micros() - start; +} diff --git a/cores/xinput/wiring_shift.c b/cores/xinput/wiring_shift.c new file mode 100644 index 0000000..a9b3be5 --- /dev/null +++ b/cores/xinput/wiring_shift.c @@ -0,0 +1,56 @@ +/* + wiring_shift.c - shiftOut() function + Part of Arduino - http://www.arduino.cc/ + + Copyright (c) 2005-2006 David A. Mellis + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General + Public License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place, Suite 330, + Boston, MA 02111-1307 USA +*/ + +#include "wiring_private.h" + +uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder) { + uint8_t value = 0; + uint8_t i; + + for (i = 0; i < 8; ++i) { + digitalWrite(clockPin, HIGH); + if (bitOrder == LSBFIRST) + value |= digitalRead(dataPin) << i; + else + value |= digitalRead(dataPin) << (7 - i); + digitalWrite(clockPin, LOW); + } + return value; +} + +void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val) +{ + uint8_t i; + + for (i = 0; i < 8; i++) { + if (bitOrder == LSBFIRST) { + digitalWrite(dataPin, val & 1); + val >>= 1; + } else { + digitalWrite(dataPin, (val & 128) != 0); + val <<= 1; + } + + digitalWrite(clockPin, HIGH); + digitalWrite(clockPin, LOW); + } +} diff --git a/cores/xinput/xinput/USB_XInput_API.cpp b/cores/xinput/xinput/USB_XInput_API.cpp new file mode 100644 index 0000000..ffd818c --- /dev/null +++ b/cores/xinput/xinput/USB_XInput_API.cpp @@ -0,0 +1,57 @@ +/* + * Project Arduino XInput - AVR Core + * @author David Madison + * @link github.com/dmadison/ArduinoXInput_AVR + * @license MIT - Copyright (c) 2019 David Madison + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + */ + +#include "USB_XInput_API.h" + +#ifdef USB_XINPUT + +void (*XInputUSB::RecvCallback)(void) = nullptr; + +boolean XInputUSB::connected() { + return USBDevice.configured(); +} + +uint8_t XInputUSB::available() { + return USB_Available(XINPUT_RX_ENDPOINT); +} + +int XInputUSB::recv(void *buffer, uint8_t nbytes) { + return USB_Recv(XINPUT_RX_ENDPOINT, buffer, nbytes); +} + +int XInputUSB::send(const void *buffer, uint8_t nbytes) { + int result = USB_Send(XINPUT_TX_ENDPOINT, buffer, nbytes); + if (result > 0) { + USB_Flush(XINPUT_TX_ENDPOINT); + } + return result; +} + +void XInputUSB::setRecvCallback(void(*callback)(void)) { + XInputUSB::RecvCallback = callback; +} + +#endif /* ifdef USB_XINPUT */ diff --git a/cores/xinput/xinput/USB_XInput_API.h b/cores/xinput/xinput/USB_XInput_API.h new file mode 100644 index 0000000..11fa100 --- /dev/null +++ b/cores/xinput/xinput/USB_XInput_API.h @@ -0,0 +1,51 @@ +/* + * Project Arduino XInput - AVR Core + * @author David Madison + * @link github.com/dmadison/ArduinoXInput_AVR + * @license MIT - Copyright (c) 2019 David Madison + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + */ + +#include "USBAPI.h" + +#ifndef USB_XINPUT_API_H +#define USB_XINPUT_API_H + +#ifdef USBCON + +#define USB_XINPUT + +class XInputUSB { +public: + // API + static bool connected(void); + static uint8_t available(void); + static int send(const void *buffer, uint8_t nbytes); + static int recv(void *buffer, uint8_t nbytes); + static void setRecvCallback(void(*callback)(void)); + + // Non-API Data + static void (*RecvCallback)(void); +}; + +#endif /* if defined(USBCON) */ + +#endif /* ifndef USB_XINPUT_API_H */ diff --git a/cores/xinput/xinput/USB_XInput_Descriptors.cpp b/cores/xinput/xinput/USB_XInput_Descriptors.cpp new file mode 100644 index 0000000..f57c700 --- /dev/null +++ b/cores/xinput/xinput/USB_XInput_Descriptors.cpp @@ -0,0 +1,210 @@ +/* + * Project Arduino XInput - AVR Core + * @author David Madison + * @link github.com/dmadison/ArduinoXInput_AVR + * @license MIT - Copyright (c) 2019 David Madison + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + */ + +#include "USB_XInput_Descriptors.h" + +#if defined(USBCON) + +const DeviceDescriptor USB_DeviceDescriptor = { + 0x12, // bLength (18) + 0x01, // bDescriptorType (DEVICE) + USB_VERSION, // bcdUSB (2.0) + 0xFF, // bDeviceClass + 0xFF, // bDeviceSubClass + 0xFF, // bDeviceProtocol + 0x40, // bMaxPacketSize0 + USB_VID, // idEVendor + USB_PID, // idProduct + 0x114, // bcdDevice + IMANUFACTURER, // iManufacturer + IPRODUCT, // iProduct + ISERIAL, // iSerialNumber + 0x01, // bNumConfigurations +}; + +const u8 USB_ConfigDescriptor[] = { + // Configuration Descriptor + 0x09, // bLength + 0x02, // bDescriptorType (CONFIGURATION) + 0x99, 0x00, // wTotalLength (153) + 0x04, // bNumInterfaces + 0x01, // bConfigurationValue + 0x00, // iConfiguration + 0xA0, // bmAttributes + 0xFA, // bMaxPower + + /* ---------------------------------------------------- */ + // Interface 0: Control Data + 0x09, // bLength + 0x04, // bDescriptorType (INTERFACE) + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x02, // bNumEndpoints + 0xFF, // bInterfaceClass + 0x5D, // bInterfaceSubClass + 0x01, // bInterfaceProtocol + 0x00, // iInterface + + // Unknown Descriptor (If0) + 0x11, // bLength + 0x21, // bDescriptorType + 0x00, 0x01, 0x01, 0x25, // ??? + 0x81, // bEndpointAddress (IN, 1) + 0x14, // bMaxDataSize + 0x00, 0x00, 0x00, 0x00, 0x13, // ??? + 0x02, // bEndpointAddress (OUT, 2) + 0x08, // bMaxDataSize + 0x00, 0x00, // ??? + + // Endpoint 1: Control Surface Send + 0x07, // bLength + 0x05, // bDescriptorType (ENDPOINT) + 0x81, // bEndpointAddress (IN, 1) + 0x03, // bmAttributes + 0x20, 0x00, // wMaxPacketSize + 0x04, // bInterval + + // Endpoint 1: Control Surface Receive + 0x07, // bLength + 0x05, // bDescriptorType (ENDPOINT) + 0x02, // bEndpointAddress (OUT, 2) + 0x03, // bmAttributes + 0x20, 0x00, // wMaxPacketSize + 0x08, // bInterval + + /* ---------------------------------------------------- */ + // Interface 1: Headset (and Expansion Port?) + 0x09, // bLength + 0x04, // bDescriptorType (INTERFACE) + 0x01, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x04, // bNumEndpoints + 0xFF, // bInterfaceClass + 0x5D, // bInterfaceSubClass + 0x03, // bInterfaceProtocol + 0x00, // iInterface + + // Unknown Descriptor (If1) + 0x1B, // bLength + 0x21, // bDescriptorType + 0x00, 0x01, 0x01, 0x01, // ??? + 0x83, // bEndpointAddress (IN, 3) + 0x40, // bMaxDataSize + 0x01, // ??? + 0x04, // bEndpointAddress (OUT, 4) + 0x20, // bMaxDataSize + 0x16, // ??? + 0x85, // bEndpointAddress (IN, 5) + 0x00, // bMaxDataSize + 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, // ??? + 0x05, // bEndpointAddress (OUT, 5) + 0x00, // bMaxDataSize + 0x00, 0x00, 0x00, 0x00, 0x00, // ??? + + // Endpoint 2: Microphone Data Send + 0x07, // bLength + 0x05, // bDescriptorType (ENDPOINT) + 0x83, // bEndpointAddress (IN, 3) + 0x03, // bmAttributes + 0x20, 0x00, // wMaxPacketSize + 0x02, // bInterval + + // Endpoint 2: Headset Audio Receive + 0x07, // bLength + 0x05, // bDescriptorType (ENDPOINT) + 0x04, // bEndpointAddress (OUT, 4) + 0x03, // bmAttributes + 0x20, 0x00, // wMaxPacketSize + 0x04, // bInterval + + // Endpoint 3: Unknown, Send + 0x07, // bLength + 0x05, // bDescriptorType (ENDPOINT) + 0x85, // bEndpointAddress (IN, 5) + 0x03, // bmAttributes + 0x20, 0x00, // wMaxPacketSize + 0x40, // bInterval + + // Endpoint 3: Unknown, Receive + 0x07, // bLength + 0x05, // bDescriptorType (ENDPOINT) + 0x05, // bEndpointAddress (OUT, 5) + 0x03, // bmAttributes + 0x20, 0x00, // wMaxPacketSize + 0x10, // bInterval + + /* ---------------------------------------------------- */ + // Interface 2: Unknown + 0x09, // bLength + 0x04, // bDescriptorType (INTERFACE) + 0x02, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x01, // bNumEndpoints + 0xFF, // bInterfaceClass + 0x5D, // bInterfaceSubClass + 0x02, // bInterfaceProtocol + 0x00, // iInterface + + // Unknown Descriptor (If2) + 0x09, // bLength + 0x21, // bDescriptorType + 0x00, 0x01, 0x01, 0x22, // ??? + 0x86, // bEndpointAddress (IN, 6) + 0x07, // bMaxDataSize + 0x00, // ??? + + // Endpoint 4: Unknown, Send + 0x07, // bLength + 0x05, // bDescriptorType (ENDPOINT) + 0x86, // bEndpointAddress (IN, 6) + 0x03, // bmAttributes + 0x20, 0x00, // wMaxPacketSize + 0x10, // bInterval + + /* ---------------------------------------------------- */ + // Interface 3: Security Method + 0x09, // bLength + 0x04, // bDescriptorType (INTERFACE) + 0x03, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x00, // bNumEndpoints + 0xFF, // bInterfaceClass + 0xFD, // bInterfaceSubClass + 0x13, // bInterfaceProtocol + 0x04, // iInterface + + // Unknown Descriptor (If3) + 0x06, // bLength + 0x41, // bDescriptorType + 0x00, 0x01, 0x01, 0x03, // ??? +}; + +const u16 USB_ConfigDescriptorSize = sizeof(USB_ConfigDescriptor); + +const u8 STRING_SERIAL[] = "Arduino XInput AVR"; +const u8 STRING_SECURITY[] = "Xbox Security Method 3, Version 1.00, \xA9 2005 Microsoft Corporation. All rights reserved."; + +#endif /* if defined(USBCON) */ diff --git a/cores/xinput/xinput/USB_XInput_Descriptors.h b/cores/xinput/xinput/USB_XInput_Descriptors.h new file mode 100644 index 0000000..976fe56 --- /dev/null +++ b/cores/xinput/xinput/USB_XInput_Descriptors.h @@ -0,0 +1,53 @@ +/* + * Project Arduino XInput - AVR Core + * @author David Madison + * @link github.com/dmadison/ArduinoXInput_AVR + * @license MIT - Copyright (c) 2019 David Madison + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + */ + +#include "USBAPI.h" + +#ifndef USB_XINPUT_DESCRIPTORS_H +#define USB_XINPUT_DESCRIPTORS_H + +#if defined(USBCON) + +// Device Descriptor +extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM; + +// Config Descriptor +extern const u8 USB_ConfigDescriptor[] PROGMEM; +extern const u16 USB_ConfigDescriptorSize PROGMEM; + +// String Descriptors +extern const u8 STRING_SERIAL[] PROGMEM; +extern const u8 STRING_SECURITY[] PROGMEM; + +#define ISECURITY 4 + +// Endpoint Numbers +#define XINPUT_TX_ENDPOINT 1 +#define XINPUT_RX_ENDPOINT 2 + +#endif /* if defined(USBCON) */ + +#endif /* ifndef USB_XINPUT_DESCRIPTORS_H */ -- cgit v1.2.3-18-g5258