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Diffstat (limited to 'cores/arduino/HardwareSerial.h')
| -rw-r--r-- | cores/arduino/HardwareSerial.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h deleted file mode 100644 index 6ff29d0..0000000 --- a/cores/arduino/HardwareSerial.h +++ /dev/null @@ -1,161 +0,0 @@ -/* - 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 <inttypes.h> - -#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 |