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-rw-r--r--cores/arduino/CDC.cpp175
-rw-r--r--cores/arduino/HID.cpp439
-rw-r--r--cores/arduino/HardwareSerial.cpp14
-rw-r--r--cores/arduino/HardwareSerial.h3
-rw-r--r--cores/arduino/Platform.h23
-rw-r--r--cores/arduino/USBAPI.h163
-rw-r--r--cores/arduino/USBCore.cpp655
-rw-r--r--cores/arduino/USBCore.h303
-rw-r--r--cores/arduino/USBDesc.h96
-rwxr-xr-xcores/arduino/main.cpp4
10 files changed, 1873 insertions, 2 deletions
diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp
new file mode 100644
index 0000000..14a0eae
--- /dev/null
+++ b/cores/arduino/CDC.cpp
@@ -0,0 +1,175 @@
+
+
+/* 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 "Platform.h"
+#include "USBAPI.h"
+#include <avr/wdt.h>
+
+#if defined(USBCON)
+#ifdef CDC_ENABLED
+
+void Reboot()
+{
+ USB.detach();
+ cli();
+ asm volatile("jmp 0x7800"); // jump to bootloader - DiskLoader takes up last 2 kB
+}
+
+typedef struct
+{
+ u32 dwDTERate;
+ u8 bCharFormat;
+ u8 bParityType;
+ u8 bDataBits;
+ u8 lineState;
+} LineInfo;
+
+static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 };
+
+#define WEAK __attribute__ ((weak))
+
+extern const CDCDescriptor _cdcInterface PROGMEM;
+const CDCDescriptor _cdcInterface =
+{
+ D_IAD(0,2,CDC_COMMUNICATION_INTERFACE_CLASS,CDC_ABSTRACT_CONTROL_MODEL,1),
+
+ // CDC communication interface
+ D_INTERFACE(CDC_ACM_INTERFACE,1,CDC_COMMUNICATION_INTERFACE_CLASS,CDC_ABSTRACT_CONTROL_MODEL,0),
+ D_CDCCS(CDC_HEADER,0x10,0x01), // Header (1.10 bcd)
+ D_CDCCS(CDC_CALL_MANAGEMENT,1,1), // Device handles call management (not)
+ D_CDCCS4(CDC_ABSTRACT_CONTROL_MANAGEMENT,6), // SET_LINE_CODING, GET_LINE_CODING, SET_CONTROL_LINE_STATE supported
+ D_CDCCS(CDC_UNION,CDC_ACM_INTERFACE,CDC_DATA_INTERFACE), // Communication interface is master, data interface is slave 0
+ D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_ACM),USB_ENDPOINT_TYPE_INTERRUPT,0x10,0x40),
+
+ // CDC data interface
+ D_INTERFACE(CDC_DATA_INTERFACE,2,CDC_DATA_INTERFACE_CLASS,0,0),
+ D_ENDPOINT(USB_ENDPOINT_OUT(CDC_ENDPOINT_OUT),USB_ENDPOINT_TYPE_BULK,0x40,0),
+ D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_IN ),USB_ENDPOINT_TYPE_BULK,0x40,0)
+};
+
+int WEAK CDC_GetInterface(u8* interfaceNum)
+{
+ interfaceNum[0] += 2; // uses 2
+ return USB_SendControl(TRANSFER_PGM,&_cdcInterface,sizeof(_cdcInterface));
+}
+
+bool WEAK CDC_Setup(Setup& setup)
+{
+ u8 r = setup.bRequest;
+ u8 requestType = setup.bmRequestType;
+
+ if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType)
+ {
+ if (CDC_GET_LINE_CODING == r)
+ {
+ USB_SendControl(0,(void*)&_usbLineInfo,7);
+ return true;
+ }
+ }
+
+ if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType)
+ {
+ if (CDC_SET_LINE_CODING == r)
+ {
+ USB_RecvControl((void*)&_usbLineInfo,7);
+ return true;
+ }
+
+ if (CDC_SET_CONTROL_LINE_STATE == r)
+ {
+ if (0 != _usbLineInfo.lineState && 1200 == _usbLineInfo.dwDTERate) // auto-reset is triggered when the port, already open at 1200 bps, is closed
+ Reboot();
+ _usbLineInfo.lineState = setup.wValueL;
+ return true;
+ }
+ }
+ return false;
+}
+
+
+int _serialPeek = -1;
+void Serial_::begin(uint16_t baud_count)
+{
+}
+
+void Serial_::end(void)
+{
+}
+
+int Serial_::available(void)
+{
+ u8 avail = USB_Available(CDC_RX);
+ if (_serialPeek != -1)
+ avail++;
+ return avail;
+}
+
+// peek is nasty
+int Serial_::peek(void)
+{
+ if (_serialPeek == -1)
+ _serialPeek = read();
+ return _serialPeek;
+}
+
+int Serial_::read(void)
+{
+ int c;
+ if (_serialPeek != -1)
+ {
+ c = _serialPeek;
+ _serialPeek = -1;
+ } else {
+ c = USB_Recv(CDC_RX);
+ }
+ return c;
+}
+
+void Serial_::flush(void)
+{
+ USB_Flush(CDC_TX);
+}
+
+size_t Serial_::write(uint8_t c)
+{
+ /* only try to send bytes if the high-level CDC connection itself
+ is open (not just the pipe) - the OS should set lineState when the port
+ is opened and clear lineState when the port is closed.
+ bytes sent before the user opens the connection or after
+ the connection is closed are lost - just like with a UART. */
+
+ // TODO - ZE - check behavior on different OSes and test what happens if an
+ // open connection isn't broken cleanly (cable is yanked out, host dies
+ // or locks up, or host virtual serial port hangs)
+ if (_usbLineInfo.lineState > 0) {
+ int r = USB_Send(CDC_TX,&c,1);
+ if (r > 0) {
+ return r;
+ } else {
+ setWriteError();
+ return 0;
+ }
+ }
+ setWriteError();
+ return 0;
+}
+
+Serial_ Serial;
+
+#endif
+#endif /* if defined(USBCON) */ \ No newline at end of file
diff --git a/cores/arduino/HID.cpp b/cores/arduino/HID.cpp
new file mode 100644
index 0000000..16d0448
--- /dev/null
+++ b/cores/arduino/HID.cpp
@@ -0,0 +1,439 @@
+
+
+/* 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 "Platform.h"
+#include "USBAPI.h"
+#include "USBDesc.h"
+
+#if defined(USBCON)
+#ifdef HID_ENABLED
+
+//#define RAWHID_ENABLED
+
+// Singletons for mouse and keyboard
+
+Mouse_ Mouse;
+Keyboard_ Keyboard;
+
+//================================================================================
+//================================================================================
+
+// HID report descriptor
+
+#define LSB(_x) ((_x) & 0xFF)
+#define MSB(_x) ((_x) >> 8)
+
+#define RAWHID_USAGE_PAGE 0xFFC0
+#define RAWHID_USAGE 0x0C00
+#define RAWHID_TX_SIZE 64
+#define RAWHID_RX_SIZE 64
+
+extern const u8 _hidReportDescriptor[] PROGMEM;
+const u8 _hidReportDescriptor[] = {
+
+ // Mouse
+ 0x05, 0x01, // USAGE_PAGE (Generic Desktop) // 54
+ 0x09, 0x02, // USAGE (Mouse)
+ 0xa1, 0x01, // COLLECTION (Application)
+ 0x09, 0x01, // USAGE (Pointer)
+ 0xa1, 0x00, // COLLECTION (Physical)
+ 0x85, 0x01, // REPORT_ID (1)
+ 0x05, 0x09, // USAGE_PAGE (Button)
+ 0x19, 0x01, // USAGE_MINIMUM (Button 1)
+ 0x29, 0x03, // USAGE_MAXIMUM (Button 3)
+ 0x15, 0x00, // LOGICAL_MINIMUM (0)
+ 0x25, 0x01, // LOGICAL_MAXIMUM (1)
+ 0x95, 0x03, // REPORT_COUNT (3)
+ 0x75, 0x01, // REPORT_SIZE (1)
+ 0x81, 0x02, // INPUT (Data,Var,Abs)
+ 0x95, 0x01, // REPORT_COUNT (1)
+ 0x75, 0x05, // REPORT_SIZE (5)
+ 0x81, 0x03, // INPUT (Cnst,Var,Abs)
+ 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
+ 0x09, 0x30, // USAGE (X)
+ 0x09, 0x31, // USAGE (Y)
+ 0x09, 0x38, // USAGE (Wheel)
+ 0x15, 0x81, // LOGICAL_MINIMUM (-127)
+ 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
+ 0x75, 0x08, // REPORT_SIZE (8)
+ 0x95, 0x03, // REPORT_COUNT (3)
+ 0x81, 0x06, // INPUT (Data,Var,Rel)
+ 0xc0, // END_COLLECTION
+ 0xc0, // END_COLLECTION
+
+ // Keyboard
+ 0x05, 0x01, // USAGE_PAGE (Generic Desktop) // 47
+ 0x09, 0x06, // USAGE (Keyboard)
+ 0xa1, 0x01, // COLLECTION (Application)
+ 0x85, 0x02, // REPORT_ID (2)
+ 0x05, 0x07, // USAGE_PAGE (Keyboard)
+
+ 0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl)
+ 0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI)
+ 0x15, 0x00, // LOGICAL_MINIMUM (0)
+ 0x25, 0x01, // LOGICAL_MAXIMUM (1)
+ 0x75, 0x01, // REPORT_SIZE (1)
+
+ 0x95, 0x08, // REPORT_COUNT (8)
+ 0x81, 0x02, // INPUT (Data,Var,Abs)
+ 0x95, 0x01, // REPORT_COUNT (1)
+ 0x75, 0x08, // REPORT_SIZE (8)
+ 0x81, 0x03, // INPUT (Cnst,Var,Abs)
+
+ 0x95, 0x06, // REPORT_COUNT (6)
+ 0x75, 0x08, // REPORT_SIZE (8)
+ 0x15, 0x00, // LOGICAL_MINIMUM (0)
+ 0x25, 0x65, // LOGICAL_MAXIMUM (101)
+ 0x05, 0x07, // USAGE_PAGE (Keyboard)
+
+ 0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated))
+ 0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application)
+ 0x81, 0x00, // INPUT (Data,Ary,Abs)
+ 0xc0, // END_COLLECTION
+
+#if RAWHID_ENABLED
+ // RAW HID
+ 0x06, LSB(RAWHID_USAGE_PAGE), MSB(RAWHID_USAGE_PAGE), // 30
+ 0x0A, LSB(RAWHID_USAGE), MSB(RAWHID_USAGE),
+
+ 0xA1, 0x01, // Collection 0x01
+ 0x85, 0x03, // REPORT_ID (3)
+ 0x75, 0x08, // report size = 8 bits
+ 0x15, 0x00, // logical minimum = 0
+ 0x26, 0xFF, 0x00, // logical maximum = 255
+
+ 0x95, 64, // report count TX
+ 0x09, 0x01, // usage
+ 0x81, 0x02, // Input (array)
+
+ 0x95, 64, // report count RX
+ 0x09, 0x02, // usage
+ 0x91, 0x02, // Output (array)
+ 0xC0 // end collection
+#endif
+};
+
+extern const HIDDescriptor _hidInterface PROGMEM;
+const HIDDescriptor _hidInterface =
+{
+ D_INTERFACE(HID_INTERFACE,1,3,0,0),
+ D_HIDREPORT(sizeof(_hidReportDescriptor)),
+ D_ENDPOINT(USB_ENDPOINT_IN (HID_ENDPOINT_INT),USB_ENDPOINT_TYPE_INTERRUPT,0x40,0x01)
+};
+
+//================================================================================
+//================================================================================
+// Driver
+
+u8 _hid_protocol = 1;
+u8 _hid_idle = 1;
+
+#define WEAK __attribute__ ((weak))
+#define WEAK
+
+int WEAK HID_GetInterface(u8* interfaceNum)
+{
+ interfaceNum[0] += 1; // uses 1
+ return USB_SendControl(TRANSFER_PGM,&_hidInterface,sizeof(_hidInterface));
+}
+
+int WEAK HID_GetDescriptor(int i)
+{
+ return USB_SendControl(TRANSFER_PGM,_hidReportDescriptor,sizeof(_hidReportDescriptor));
+}
+
+void WEAK HID_SendReport(u8 id, const void* data, int len)
+{
+ USB_Send(HID_TX, &id, 1);
+ USB_Send(HID_TX | TRANSFER_RELEASE,data,len);
+}
+
+bool WEAK HID_Setup(Setup& setup)
+{
+ u8 r = setup.bRequest;
+ u8 requestType = setup.bmRequestType;
+ if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType)
+ {
+ if (HID_GET_REPORT == r)
+ {
+ //HID_GetReport();
+ return true;
+ }
+ if (HID_GET_PROTOCOL == r)
+ {
+ //Send8(_hid_protocol); // TODO
+ return true;
+ }
+ }
+
+ if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType)
+ {
+ if (HID_SET_PROTOCOL == r)
+ {
+ _hid_protocol = setup.wValueL;
+ return true;
+ }
+
+ if (HID_SET_IDLE == r)
+ {
+ _hid_idle = setup.wValueL;
+ return true;
+ }
+ }
+ return false;
+}
+
+//================================================================================
+//================================================================================
+// Mouse
+
+Mouse_::Mouse_() : _buttons(0)
+{
+}
+
+void Mouse_::click(uint8_t b)
+{
+ _buttons = b;
+ move(0,0,0);
+ _buttons = 0;
+ move(0,0,0);
+}
+
+void Mouse_::move(signed char x, signed char y, signed char wheel)
+{
+ u8 m[4];
+ m[0] = _buttons;
+ m[1] = x;
+ m[2] = y;
+ m[3] = wheel;
+ HID_SendReport(1,m,4);
+}
+
+void Mouse_::buttons(uint8_t b)
+{
+ if (b != _buttons)
+ {
+ _buttons = b;
+ move(0,0,0);
+ }
+}
+
+void Mouse_::press(uint8_t b)
+{
+ buttons(_buttons | b);
+}
+
+void Mouse_::release(uint8_t b)
+{
+ buttons(_buttons & ~b);
+}
+
+//================================================================================
+//================================================================================
+// Keyboard
+
+Keyboard_::Keyboard_() : _keyMap(0)
+{
+}
+
+void Keyboard_::sendReport(KeyReport* keys)
+{
+ HID_SendReport(2,keys,sizeof(KeyReport));
+}
+
+void Keyboard_::setKeyMap(KeyMap* keyMap)
+{
+ _keyMap = keyMap;
+}
+
+extern
+const uint8_t _asciimap[128] PROGMEM;
+
+#define SHIFT 0x80
+const uint8_t _asciimap[128] =
+{
+ 0x00, // NUL
+ 0x00, // SOH
+ 0x00, // STX
+ 0x00, // ETX
+ 0x00, // EOT
+ 0x00, // ENQ
+ 0x00, // ACK
+ 0x00, // BEL
+ 0x2a, // BS Backspace
+ 0x2b, // TAB Tab
+ 0x28, // LF Enter
+ 0x00, // VT
+ 0x00, // FF
+ 0x00, // CR
+ 0x00, // SO
+ 0x00, // SI
+ 0x00, // DEL
+ 0x00, // DC1
+ 0x00, // DC2
+ 0x00, // DC3
+ 0x00, // DC4
+ 0x00, // NAK
+ 0x00, // SYN
+ 0x00, // ETB
+ 0x00, // CAN
+ 0x00, // EM
+ 0x00, // SUB
+ 0x00, // ESC
+ 0x00, // FS
+ 0x00, // GS
+ 0x00, // RS
+ 0x00, // US
+
+ 0x2c, // ' '
+ 0x1e|SHIFT, // !
+ 0x34|SHIFT, // "
+ 0x20|SHIFT, // #
+ 0x21|SHIFT, // $
+ 0x22|SHIFT, // %
+ 0x24|SHIFT, // &
+ 0x34, // '
+ 0x26|SHIFT, // (
+ 0x27|SHIFT, // )
+ 0x25|SHIFT, // *
+ 0x2e|SHIFT, // +
+ 0x36, // ,
+ 0x2d, // -
+ 0x37, // .
+ 0x38, // /
+ 0x27, // 0
+ 0x1e, // 1
+ 0x1f, // 2
+ 0x20, // 3
+ 0x21, // 4
+ 0x22, // 5
+ 0x23, // 6
+ 0x24, // 7
+ 0x25, // 8
+ 0x26, // 9
+ 0x33|SHIFT, // :
+ 0x33, // ;
+ 0x36|SHIFT, // <
+ 0x2e, // =
+ 0x37|SHIFT, // >
+ 0x38|SHIFT, // ?
+ 0x1f|SHIFT, // @
+ 0x04|SHIFT, // A
+ 0x05|SHIFT, // B
+ 0x06|SHIFT, // C
+ 0x07|SHIFT, // D
+ 0x08|SHIFT, // E
+ 0x09|SHIFT, // F
+ 0x0a|SHIFT, // G
+ 0x0b|SHIFT, // H
+ 0x0c|SHIFT, // I
+ 0x0d|SHIFT, // J
+ 0x0e|SHIFT, // K
+ 0x0f|SHIFT, // L
+ 0x10|SHIFT, // M
+ 0x11|SHIFT, // N
+ 0x12|SHIFT, // O
+ 0x13|SHIFT, // P
+ 0x14|SHIFT, // Q
+ 0x15|SHIFT, // R
+ 0x16|SHIFT, // S
+ 0x17|SHIFT, // T
+ 0x18|SHIFT, // U
+ 0x19|SHIFT, // V
+ 0x1a|SHIFT, // W
+ 0x1b|SHIFT, // X
+ 0x1c|SHIFT, // Y
+ 0x1d|SHIFT, // Z
+ 0x2f, // [
+ 0x31, // bslash
+ 0x30, // ]
+ 0x23|SHIFT, // ^
+ 0x2d|SHIFT, // _
+ 0x35, // `
+ 0x04, // a
+ 0x05, // b
+ 0x06, // c
+ 0x07, // d
+ 0x08, // e
+ 0x09, // f
+ 0x0a, // g
+ 0x0b, // h
+ 0x0c, // i
+ 0x0d, // j
+ 0x0e, // k
+ 0x0f, // l
+ 0x10, // m
+ 0x11, // n
+ 0x12, // o
+ 0x13, // p
+ 0x14, // q
+ 0x15, // r
+ 0x16, // s
+ 0x17, // t
+ 0x18, // u
+ 0x19, // v
+ 0x1a, // w
+ 0x1b, // x
+ 0x1c, // y
+ 0x1d, // z
+ 0x2f|SHIFT, //
+ 0x31|SHIFT, // |
+ 0x30|SHIFT, // }
+ 0x35|SHIFT, // ~
+ 0 // DEL
+};
+
+uint8_t USBPutChar(uint8_t c);
+size_t Keyboard_::write(uint8_t c)
+{
+ // Keydown
+ {
+ KeyReport keys = {0};
+ if (_keyMap)
+ _keyMap->charToKey(c,&keys);
+ else
+ {
+ if (c >= 128) {
+ setWriteError();
+ return 0;
+ }
+ c = pgm_read_byte(_asciimap + c);
+ if (!c) {
+ setWriteError();
+ return 0;
+ }
+ if (c & 0x80)
+ {
+ keys.modifiers |= KEY_MODIFIER_LEFT_SHIFT;
+ c &= 0x7F;
+ }
+ keys.keys[0] = c;
+ }
+ sendReport(&keys);
+ }
+ // Keyup
+ {
+ KeyReport keys = {0};
+ sendReport(&keys);
+ }
+ return 1;
+}
+
+#endif
+
+#endif /* if defined(USBCON) */ \ No newline at end of file
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp
index 49a3796..b5992ad 100644
--- a/cores/arduino/HardwareSerial.cpp
+++ b/cores/arduino/HardwareSerial.cpp
@@ -50,6 +50,10 @@ struct ring_buffer
volatile int tail;
};
+#if defined(USBCON)
+ ring_buffer rx_buffer = { { 0 }, 0, 0};
+ ring_buffer tx_buffer = { { 0 }, 0, 0};
+#endif
#if defined(UBRRH) || defined(UBRR0H)
ring_buffer rx_buffer = { { 0 }, 0, 0 };
ring_buffer tx_buffer = { { 0 }, 0, 0 };
@@ -81,6 +85,9 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
}
}
+#if !defined(USART0_RX_vect) && defined(USART1_RX_vect)
+// do nothing - on the 32u4 the first USART is USART1
+#else
#if !defined(USART_RX_vect) && !defined(SIG_USART0_RECV) && \
!defined(SIG_UART0_RECV) && !defined(USART0_RX_vect) && \
!defined(SIG_UART_RECV)
@@ -111,6 +118,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
store_char(c, &rx_buffer);
}
#endif
+#endif
#if defined(USART1_RX_vect)
void serialEvent1() __attribute__((weak));
@@ -168,6 +176,9 @@ void serialEventRun(void)
}
+#if !defined(USART0_UDRE_vect) && defined(USART1_UDRE_vect)
+// do nothing - on the 32u4 the first USART is USART1
+#else
#if !defined(UART0_UDRE_vect) && !defined(UART_UDRE_vect) && !defined(USART0_UDRE_vect) && !defined(USART_UDRE_vect)
#error Don't know what the Data Register Empty vector is called for the first UART
#else
@@ -204,6 +215,7 @@ ISR(USART_UDRE_vect)
}
}
#endif
+#endif
#ifdef USART1_UDRE_vect
ISR(USART1_UDRE_vect)
@@ -393,7 +405,7 @@ size_t HardwareSerial::write(uint8_t c)
#elif defined(UBRR0H) && defined(UBRR0L)
HardwareSerial Serial(&rx_buffer, &tx_buffer, &UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UDR0, RXEN0, TXEN0, RXCIE0, UDRIE0, U2X0);
#elif defined(USBCON)
- #warning no serial port defined (port 0)
+ // do nothing - Serial object and buffers are initialized in CDC code
#else
#error no serial port defined (port 0)
#endif
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
index 1c755f7..176abe1 100644
--- a/cores/arduino/HardwareSerial.h
+++ b/cores/arduino/HardwareSerial.h
@@ -62,7 +62,8 @@ class HardwareSerial : public Stream
#if defined(UBRRH) || defined(UBRR0H)
extern HardwareSerial Serial;
#elif defined(USBCON)
- #include "usb_api.h"
+ #include "USBAPI.h"
+// extern HardwareSerial Serial_;
#endif
#if defined(UBRR1H)
extern HardwareSerial Serial1;
diff --git a/cores/arduino/Platform.h b/cores/arduino/Platform.h
new file mode 100644
index 0000000..8b8f742
--- /dev/null
+++ b/cores/arduino/Platform.h
@@ -0,0 +1,23 @@
+
+#ifndef __PLATFORM_H__
+#define __PLATFORM_H__
+
+#include <inttypes.h>
+#include <avr/pgmspace.h>
+#include <avr/eeprom.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned long u32;
+
+#include "Arduino.h"
+
+#if defined(USBCON)
+ #include "USBDesc.h"
+ #include "USBCore.h"
+ #include "USBAPI.h"
+#endif /* if defined(USBCON) */
+
+#endif
diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h
new file mode 100644
index 0000000..03dddb8
--- /dev/null
+++ b/cores/arduino/USBAPI.h
@@ -0,0 +1,163 @@
+
+
+#ifndef __USBAPI__
+#define __USBAPI__
+
+#if defined(USBCON)
+
+//================================================================================
+//================================================================================
+// USB
+
+class USB_
+{
+public:
+ USB_();
+ bool configured();
+
+ void attach();
+ void detach(); // Serial port goes down too...
+ void poll();
+};
+extern USB_ USB;
+
+//================================================================================
+//================================================================================
+// Serial over CDC (Serial1 is the physical port)
+
+class Serial_ : public Stream
+{
+public:
+ void begin(uint16_t baud_count);
+ void end(void);
+
+ virtual int available(void);
+ virtual int peek(void);
+ virtual int read(void);
+ virtual void flush(void);
+ virtual size_t write(uint8_t);
+};
+extern Serial_ Serial;
+
+//================================================================================
+//================================================================================
+// Mouse
+
+#define MOUSE_LEFT 1
+#define MOUSE_MIDDLE 2
+#define MOUSE_RIGHT 4
+#define MOUSE_ALL (MOUSE_LEFT | MOUSE_MIDDLE | MOUSE_RIGHT)
+
+class Mouse_
+{
+ uint8_t _buttons;
+public:
+ Mouse_();
+ void click(uint8_t b = MOUSE_LEFT);
+ void move(signed char x, signed char y, signed char wheel = 0);
+ void buttons(uint8_t b);
+ void press(uint8_t b = MOUSE_LEFT); // press LEFT by default
+ void release(uint8_t b = MOUSE_LEFT); // release LEFT by default
+};
+extern Mouse_ Mouse;
+
+//================================================================================
+//================================================================================
+// Keyboard
+
+#define KEY_MODIFIER_LEFT_CTRL 0x01
+#define KEY_MODIFIER_LEFT_SHIFT 0x02
+#define KEY_MODIFIER_LEFT_ALT 0x04
+#define KEY_MODIFIER_LEFT_GUI 0x08
+#define KEY_MODIFIER_RIGHT_CTRL 0x010
+#define KEY_MODIFIER_RIGHT_SHIFT 0x020
+#define KEY_MODIFIER_RIGHT_ALT 0x040
+#define KEY_MODIFIER_RIGHT_GUI 0x080
+
+// Low level key report: up to 6 keys and shift, ctrl etc at once
+typedef struct
+{
+ uint8_t modifiers;
+ uint8_t reserved;
+ uint8_t keys[6];
+} KeyReport;
+
+// Map a character into a key report
+// Called from Print to map text to keycodes
+class KeyMap
+{
+public:
+ virtual void charToKey(int c, KeyReport* keyReport) = 0;
+};
+
+//
+class Keyboard_ : public Print
+{
+ KeyMap* _keyMap;
+public:
+ Keyboard_();
+ void sendReport(KeyReport* keys);
+ void setKeyMap(KeyMap* keyMap);
+ virtual size_t write(uint8_t);
+};
+extern Keyboard_ Keyboard;
+
+//================================================================================
+//================================================================================
+// Low level API
+
+typedef struct
+{
+ uint8_t bmRequestType;
+ uint8_t bRequest;
+ uint8_t wValueL;
+ uint8_t wValueH;
+ uint16_t wIndex;
+ uint16_t wLength;
+} Setup;
+
+//================================================================================
+//================================================================================
+// HID 'Driver'
+
+int HID_GetInterface(uint8_t* interfaceNum);
+int HID_GetDescriptor(int i);
+bool HID_Setup(Setup& setup);
+void HID_SendReport(uint8_t id, const void* data, int len);
+
+//================================================================================
+//================================================================================
+// MSC 'Driver'
+
+int MSC_GetInterface(uint8_t* interfaceNum);
+int MSC_GetDescriptor(int i);
+bool MSC_Setup(Setup& setup);
+bool MSC_Data(uint8_t rx,uint8_t tx);
+
+//================================================================================
+//================================================================================
+// CSC 'Driver'
+
+int CDC_GetInterface(uint8_t* interfaceNum);
+int CDC_GetDescriptor(int i);
+bool CDC_Setup(Setup& setup);
+
+//================================================================================
+//================================================================================
+
+#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);
+
+uint8_t USB_Available(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);
+
+#endif
+
+#endif /* if defined(USBCON) */ \ No newline at end of file
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
new file mode 100644
index 0000000..9ce2e00
--- /dev/null
+++ b/cores/arduino/USBCore.cpp
@@ -0,0 +1,655 @@
+
+
+/* Copyright (c) 2010, 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 "Platform.h"
+#include "USBAPI.h"
+#include "USBDesc.h"
+
+#if defined(USBCON)
+
+#define EP_TYPE_CONTROL 0x00
+#define EP_TYPE_BULK_IN 0x81
+#define EP_TYPE_BULK_OUT 0x80
+#define EP_TYPE_INTERRUPT_IN 0xC1
+#define EP_TYPE_INTERRUPT_OUT 0xC0
+#define EP_TYPE_ISOCHRONOUS_IN 0x41
+#define EP_TYPE_ISOCHRONOUS_OUT 0x40
+
+//==================================================================
+//==================================================================
+
+extern const u16 STRING_LANGUAGE[] PROGMEM;
+extern const u16 STRING_SERIAL[] PROGMEM;
+extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM;
+extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
+
+const u16 STRING_LANGUAGE[2] = {
+ (3<<8) | (2+2),
+ 0x0409 // English
+};
+
+#if 0
+const u16 STRING_PRODUCT[] = {
+ (3<<8) | (2+2*10),
+ PRODUCT_NAME
+};
+#endif
+
+const u16 STRING_SERIAL[13] = {
+ (3<<8) | (2+2*12),
+ MSC_DISK_SERIAL
+};
+
+#ifdef CDC_ENABLED
+#define DEVICE_CLASS 0x02
+#else
+#define DEVICE_CLASS 0x00
+#endif
+
+// DEVICE DESCRIPTOR
+const DeviceDescriptor USB_DeviceDescriptor =
+ D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1);
+
+const DeviceDescriptor USB_DeviceDescriptorA =
+ D_DEVICE(DEVICE_CLASS,0x00,0x00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1);
+
+//==================================================================
+//==================================================================
+
+volatile u8 _usbConfiguration = 0;
+
+static inline void WaitIN(void)
+{
+ while (!(UEINTX & (1<<TXINI)));
+}
+
+static inline void ClearIN(void)
+{
+ UEINTX = ~(1<<TXINI);
+}
+
+static inline void WaitOUT(void)
+{
+ while (!(UEINTX & (1<<RXOUTI)))
+ ;
+}
+
+static inline u8 WaitForINOrOUT()
+{
+ while (!(UEINTX & ((1<<TXINI)|(1<<RXOUTI))))
+ ;
+ return (UEINTX & (1<<RXOUTI)) == 0;
+}
+
+static inline void ClearOUT(void)
+{
+ UEINTX = ~(1<<RXOUTI);
+}
+
+void Recv(volatile u8* data, u8 count)
+{
+ while (count--)
+ *data++ = UEDATX;
+}
+
+static inline u8 Recv8()
+{
+ return UEDATX;
+}
+
+static inline void Send8(u8 d)
+{
+ UEDATX = d;
+}
+
+static inline void SetEP(u8 ep)
+{
+ UENUM = ep;
+}
+
+static inline u8 FifoByteCount()
+{
+ return UEBCLX;
+}
+
+static inline u8 ReceivedSetupInt()
+{
+ return UEINTX & (1<<RXSTPI);
+}
+
+static inline void ClearSetupInt()
+{
+ UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
+}
+
+static inline void Stall()
+{
+ UECONX = (1<<STALLRQ) | (1<<EPEN);
+}
+
+static inline u8 ReadWriteAllowed()
+{
+ return UEINTX & (1<<RWAL);
+}
+
+static inline u8 Stalled()
+{
+ return UEINTX & (1<<STALLEDI);
+}
+
+static inline u8 FifoFree()
+{
+ return UEINTX & (1<<FIFOCON);
+}
+
+static inline void ReleaseRX()
+{
+ UEINTX = 0x6B; // FIFOCON=0 NAKINI=1 RWAL=1 NAKOUTI=0 RXSTPI=1 RXOUTI=0 STALLEDI=1 TXINI=1
+}
+
+static inline void ReleaseTX()
+{
+ UEINTX = 0x3A; // FIFOCON=0 NAKINI=0 RWAL=1 NAKOUTI=1 RXSTPI=1 RXOUTI=0 STALLEDI=1 TXINI=0
+}
+
+static inline u8 FrameNumber()
+{
+ return UDFNUML;
+}
+
+//==================================================================
+//==================================================================
+
+u8 USBGetConfiguration(void)
+{
+ return _usbConfiguration;
+}
+
+#define USB_RECV_TIMEOUT
+class LockEP
+{
+ u8 _sreg;
+public:
+ LockEP(u8 ep) : _sreg(SREG)
+ {
+ cli();
+ SetEP(ep & 7);
+ }
+ ~LockEP()
+ {
+ SREG = _sreg;
+ }
+};
+
+// Number of bytes, assumes a rx endpoint
+u8 USB_Available(u8 ep)
+{
+ LockEP lock(ep);
+ return FifoByteCount();
+}
+
+// Non Blocking recieve
+// Return number of bytes read
+int USB_Recv(u8 ep, void* d, int len)
+{
+ if (!_usbConfiguration || len < 0)
+ return -1;
+
+ LockEP lock(ep);
+ u8 n = FifoByteCount();
+ len = min(n,len);
+ n = len;
+ u8* dst = (u8*)d;
+ while (n--)
+ *dst++ = Recv8();
+ if (len && !FifoByteCount()) // release empty buffer
+ ReleaseRX();
+
+ return len;
+}
+
+// Recv 1 byte if ready
+int USB_Recv(u8 ep)
+{
+ u8 c;
+ if (USB_Recv(ep,&c,1) != 1)
+ return -1;
+ return c;
+}
+
+// Space in send EP
+u8 USB_SendSpace(u8 ep)
+{
+ LockEP lock(ep);
+ if (!ReadWriteAllowed())
+ return 0;
+ return 64 - FifoByteCount();
+}
+
+// Blocking Send of data to an endpoint
+int USB_Send(u8 ep, const void* d, int len)
+{
+ if (!_usbConfiguration)
+ return -1;
+
+ int r = len;
+ const u8* data = (const u8*)d;
+ u8 zero = ep & TRANSFER_ZERO;
+ u8 timeout = 250; // 250ms timeout on send? TODO
+ while (len)
+ {
+ u8 n = USB_SendSpace(ep);
+ if (n == 0)
+ {
+ if (!(--timeout))
+ return -1;
+ delay(1);
+ continue;
+ }
+
+ if (n > len)
+ n = len;
+ len -= n;
+ {
+ LockEP lock(ep);
+ 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 (!ReadWriteAllowed() || ((len == 0) && (ep & TRANSFER_RELEASE))) // Release full buffer
+ ReleaseTX();
+ }
+ }
+ return r;
+}
+
+extern const u8 _initEndpoints[] PROGMEM;
+const u8 _initEndpoints[] =
+{
+ 0,
+
+#ifdef CDC_ENABLED
+ EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM
+ EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT
+ EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN
+#endif
+
+#ifdef HID_ENABLED
+ EP_TYPE_INTERRUPT_IN // HID_ENDPOINT_INT
+#endif
+
+#ifdef MSC_ENABLED
+ EP_TYPE_BULK_OUT, // MSC_ENDPOINT_OUT
+ EP_TYPE_BULK_IN, // MSC_ENDPOINT_IN
+#endif
+};
+
+#define EP_SINGLE_64 0x32 // EP0
+#define EP_DOUBLE_64 0x36 // Other endpoints
+
+static
+void InitEP(u8 index, u8 type, u8 size)
+{
+ UENUM = index;
+ UECONX = 1;
+ UECFG0X = type;
+ UECFG1X = size;
+}
+
+static
+void InitEndpoints()
+{
+ for (u8 i = 1; i < sizeof(_initEndpoints); i++)
+ {
+ UENUM = i;
+ UECONX = 1;
+ UECFG0X = pgm_read_byte(_initEndpoints+i);
+ UECFG1X = EP_DOUBLE_64;
+ }
+ UERST = 0x7E; // And reset them
+ UERST = 0;
+}
+
+// Handle CLASS_INTERFACE requests
+static
+bool ClassInterfaceRequest(Setup& setup)
+{
+ u8 i = setup.wIndex;
+
+#ifdef CDC_ENABLED
+ if (CDC_ACM_INTERFACE == i)
+ return CDC_Setup(setup);
+#endif
+
+#ifdef MSC_ENABLED
+ if (MSC_INTERFACE == i)
+ return MSC_Setup(setup);
+#endif
+
+#ifdef HID_ENABLED
+ if (HID_INTERFACE == i)
+ return HID_Setup(setup);
+#endif
+ return false;
+}
+
+int _cmark;
+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;
+}
+
+// Does not timeout or cross fifo boundaries
+// Will only work for transfers <= 64 bytes
+// TODO
+int USB_RecvControl(void* d, int len)
+{
+ WaitOUT();
+ Recv((u8*)d,len);
+ ClearOUT();
+ return len;
+}
+
+int SendInterfaces()
+{
+ int total = 0;
+ u8 interfaces = 0;
+
+#ifdef CDC_ENABLED
+ total = CDC_GetInterface(&interfaces);
+#endif
+
+#ifdef HID_ENABLED
+ total += HID_GetInterface(&interfaces);
+#endif
+
+#ifdef MSC_ENABLED
+ total += MSC_GetInterface(&interfaces);
+#endif
+ return interfaces;
+}
+
+// Construct a dynamic configuration descriptor
+// This really needs dynamic endpoint allocation etc
+// TODO
+static
+bool SendConfiguration(int maxlen)
+{
+ // Count and measure interfaces
+ InitControl(0);
+ int interfaces = SendInterfaces();
+ ConfigDescriptor config = D_CONFIG(_cmark + sizeof(ConfigDescriptor),interfaces);
+
+ // Now send them
+ InitControl(maxlen);
+ USB_SendControl(0,&config,sizeof(ConfigDescriptor));
+ SendInterfaces();
+ return true;
+}
+
+u8 _cdcComposite = 0;
+
+static
+bool SendDescriptor(Setup& setup)
+{
+ u8 t = setup.wValueH;
+ if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t)
+ return SendConfiguration(setup.wLength);
+
+ InitControl(setup.wLength);
+#ifdef HID_ENABLED
+ if (HID_REPORT_DESCRIPTOR_TYPE == t)
+ return HID_GetDescriptor(t);
+#endif
+
+ u8 desc_length = 0;
+ const u8* desc_addr = 0;
+ if (USB_DEVICE_DESCRIPTOR_TYPE == t)
+ {
+ if (setup.wLength == 8)
+ _cdcComposite = 1;
+ desc_addr = _cdcComposite ? (const u8*)&USB_DeviceDescriptorA : (const u8*)&USB_DeviceDescriptor;
+ }
+ else if (USB_STRING_DESCRIPTOR_TYPE == t)
+ {
+ if (setup.wValueL == 0)
+ desc_addr = (const u8*)&STRING_LANGUAGE;
+ if (setup.wValueL == ISERIAL)
+ desc_addr = (const u8*)&STRING_SERIAL;
+ }
+
+ if (desc_addr == 0)
+ return false;
+ if (desc_length == 0)
+ desc_length = pgm_read_byte(desc_addr);
+
+ USB_SendControl(TRANSFER_PGM,desc_addr,desc_length);
+ return true;
+}
+
+// Endpoint 0 interrupt
+ISR(USB_COM_vect)
+{
+ SetEP(0);
+ if (!ReceivedSetupInt())
+ return;
+
+ Setup setup;
+ Recv((u8*)&setup,8);
+ ClearSetupInt();
+
+ //printHex((u8*)&setup,8);
+
+ 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;
+ if (GET_STATUS == r)
+ {
+ Send8(0); // TODO
+ Send8(0);
+ }
+ else if (CLEAR_FEATURE == r)
+ {
+ }
+ else if (SET_FEATURE == r)
+ {
+ }
+ else if (SET_ADDRESS == r)
+ {
+ WaitIN();
+ UDADDR = setup.wValueL | (1<<ADDEN);
+ }
+ else if (GET_DESCRIPTOR == r)
+ {
+ ok = SendDescriptor(setup);
+ }
+ else if (SET_DESCRIPTOR == r)
+ {
+ ok = false;
+ }
+ else if (GET_CONFIGURATION == r)
+ {
+ Send8(1);
+ }
+ else if (SET_CONFIGURATION == r)
+ {
+ if (REQUEST_DEVICE == (requestType & REQUEST_RECIPIENT))
+ {
+ InitEndpoints();
+ _usbConfiguration = setup.wValueL;
+ } else
+ ok = false;
+ }
+ else if (GET_INTERFACE == r)
+ {
+ }
+ else if (SET_INTERFACE == r)
+ {
+ }
+ }
+ else
+ {
+ InitControl(setup.wLength); // Max length of transfer
+ ok = ClassInterfaceRequest(setup);
+ }
+
+ if (ok)
+ ClearIN();
+ else
+ {
+ Stall();
+ }
+}
+
+void USB_Flush(u8 ep)
+{
+ SetEP(ep);
+ if (FifoByteCount())
+ ReleaseTX();
+}
+
+// General interrupt
+ISR(USB_GEN_vect)
+{
+ u8 udint = UDINT;
+ UDINT = 0;
+
+ // End of Reset
+ if (udint & (1<<EORSTI))
+ {
+ InitEP(0,EP_TYPE_CONTROL,EP_SINGLE_64); // init ep0
+ _usbConfiguration = 0; // not configured yet
+ UEIENX = 1 << RXSTPE; // Enable interrupts for ep0
+ }
+
+ // Start of Frame
+ if (udint & (1<<SOFI))
+ {
+#ifdef CDC_ENABLED
+ USB_Flush(CDC_TX); // Send a tx frame if found
+#endif
+ }
+}
+
+// VBUS or counting frames
+// Any frame counting?
+u8 USBConnected()
+{
+ u8 f = UDFNUML;
+ delay(3);
+ return f != UDFNUML;
+}
+
+//=======================================================================
+//=======================================================================
+
+USB_ USB;
+
+USB_::USB_()
+{
+}
+
+void USB_::attach()
+{
+ _usbConfiguration = 0;
+ UHWCON = 0x01; // power internal reg
+ USBCON = (1<<USBE)|(1<<FRZCLK); // clock frozen, usb enabled
+ PLLCSR = 0x12; // Need 16 MHz xtal
+ while (!(PLLCSR & (1<<PLOCK))) // wait for lock pll
+ ;
+ USBCON = ((1<<USBE)|(1<<OTGPADE)); // start USB clock
+ UDIEN = (1<<EORSTE)|(1<<SOFE); // Enable interrupts for EOR (End of Reset) and SOF (start of frame)
+ UDCON = 0; // enable attach resistor
+}
+
+void USB_::detach()
+{
+}
+
+// Check for interrupts
+// TODO: VBUS detection
+bool USB_::configured()
+{
+ return _usbConfiguration;
+}
+
+void USB_::poll()
+{
+#ifdef MSC_ENABLED
+ if (!_usbConfiguration)
+ return;
+
+ // Service disk
+ if (USB_Available(MSC_RX))
+ MSC_Data(MSC_RX,MSC_TX);
+#endif
+}
+
+#endif /* if defined(USBCON) */ \ No newline at end of file
diff --git a/cores/arduino/USBCore.h b/cores/arduino/USBCore.h
new file mode 100644
index 0000000..8d13806
--- /dev/null
+++ b/cores/arduino/USBCore.h
@@ -0,0 +1,303 @@
+
+// Copyright (c) 2010, 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.
+*/
+
+#ifndef __USBCORE_H__
+#define __USBCORE_H__
+
+// Standard requests
+#define GET_STATUS 0
+#define CLEAR_FEATURE 1
+#define SET_FEATURE 3
+#define SET_ADDRESS 5
+#define GET_DESCRIPTOR 6
+#define SET_DESCRIPTOR 7
+#define GET_CONFIGURATION 8
+#define SET_CONFIGURATION 9
+#define GET_INTERFACE 10
+#define SET_INTERFACE 11
+
+
+// bmRequestType
+#define REQUEST_HOSTTODEVICE 0x00
+#define REQUEST_DEVICETOHOST 0x80
+#define REQUEST_DIRECTION 0x80
+
+#define REQUEST_STANDARD 0x00
+#define REQUEST_CLASS 0x20
+#define REQUEST_VENDOR 0x40
+#define REQUEST_TYPE 0x60
+
+#define REQUEST_DEVICE 0x00
+#define REQUEST_INTERFACE 0x01
+#define REQUEST_ENDPOINT 0x02
+#define REQUEST_OTHER 0x03
+#define REQUEST_RECIPIENT 0x03
+
+#define REQUEST_DEVICETOHOST_CLASS_INTERFACE (REQUEST_DEVICETOHOST + REQUEST_CLASS + REQUEST_INTERFACE)
+#define REQUEST_HOSTTODEVICE_CLASS_INTERFACE (REQUEST_HOSTTODEVICE + REQUEST_CLASS + REQUEST_INTERFACE)
+
+// Class requests
+
+#define CDC_SET_LINE_CODING 0x20
+#define CDC_GET_LINE_CODING 0x21
+#define CDC_SET_CONTROL_LINE_STATE 0x22
+
+#define MSC_RESET 0xFF
+#define MSC_GET_MAX_LUN 0xFE
+
+#define HID_GET_REPORT 0x01
+#define HID_GET_IDLE 0x02
+#define HID_GET_PROTOCOL 0x03
+#define HID_SET_REPORT 0x09
+#define HID_SET_IDLE 0x0A
+#define HID_SET_PROTOCOL 0x0B
+
+// Descriptors
+
+#define USB_DEVICE_DESC_SIZE 18
+#define USB_CONFIGUARTION_DESC_SIZE 9
+#define USB_INTERFACE_DESC_SIZE 9
+#define USB_ENDPOINT_DESC_SIZE 7
+
+#define USB_DEVICE_DESCRIPTOR_TYPE 1
+#define USB_CONFIGURATION_DESCRIPTOR_TYPE 2
+#define USB_STRING_DESCRIPTOR_TYPE 3
+#define USB_INTERFACE_DESCRIPTOR_TYPE 4
+#define USB_ENDPOINT_DESCRIPTOR_TYPE 5
+
+#define USB_DEVICE_CLASS_COMMUNICATIONS 0x02
+#define USB_DEVICE_CLASS_HUMAN_INTERFACE 0x03
+#define USB_DEVICE_CLASS_STORAGE 0x08
+#define USB_DEVICE_CLASS_VENDOR_SPECIFIC 0xFF
+
+#define USB_CONFIG_POWERED_MASK 0x40
+#define USB_CONFIG_BUS_POWERED 0x80
+#define USB_CONFIG_SELF_POWERED 0xC0
+#define USB_CONFIG_REMOTE_WAKEUP 0x20
+
+// bMaxPower in Configuration Descriptor
+#define USB_CONFIG_POWER_MA(mA) ((mA)/2)
+
+// bEndpointAddress in Endpoint Descriptor
+#define USB_ENDPOINT_DIRECTION_MASK 0x80
+#define USB_ENDPOINT_OUT(addr) ((addr) | 0x00)
+#define USB_ENDPOINT_IN(addr) ((addr) | 0x80)
+
+#define USB_ENDPOINT_TYPE_MASK 0x03
+#define USB_ENDPOINT_TYPE_CONTROL 0x00
+#define USB_ENDPOINT_TYPE_ISOCHRONOUS 0x01
+#define USB_ENDPOINT_TYPE_BULK 0x02
+#define USB_ENDPOINT_TYPE_INTERRUPT 0x03
+
+#define TOBYTES(x) ((x) & 0xFF),(((x) >> 8) & 0xFF)
+
+#define CDC_V1_10 0x0110
+#define CDC_COMMUNICATION_INTERFACE_CLASS 0x02
+
+#define CDC_CALL_MANAGEMENT 0x01
+#define CDC_ABSTRACT_CONTROL_MODEL 0x02
+#define CDC_HEADER 0x00
+#define CDC_ABSTRACT_CONTROL_MANAGEMENT 0x02
+#define CDC_UNION 0x06
+#define CDC_CS_INTERFACE 0x24
+#define CDC_CS_ENDPOINT 0x25
+#define CDC_DATA_INTERFACE_CLASS 0x0A
+
+#define MSC_SUBCLASS_SCSI 0x06
+#define MSC_PROTOCOL_BULK_ONLY 0x50
+
+#define HID_HID_DESCRIPTOR_TYPE 0x21
+#define HID_REPORT_DESCRIPTOR_TYPE 0x22
+#define HID_PHYSICAL_DESCRIPTOR_TYPE 0x23
+
+
+// Device
+typedef struct {
+ u8 len; // 18
+ u8 dtype; // 1 USB_DEVICE_DESCRIPTOR_TYPE
+ u16 usbVersion; // 0x200
+ 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;
+
+// Interface Association Descriptor
+// Used to bind 2 interfaces together in CDC compostite device
+typedef struct
+{
+ u8 len; // 8
+ u8 dtype; // 11
+ u8 firstInterface;
+ u8 interfaceCount;
+ u8 functionClass;
+ u8 funtionSubClass;
+ u8 functionProtocol;
+ u8 iInterface;
+} IADDescriptor;
+
+// CDC CS interface descriptor
+typedef struct
+{
+ u8 len; // 5
+ u8 dtype; // 0x24
+ u8 subtype;
+ u8 d0;
+ u8 d1;
+} CDCCSInterfaceDescriptor;
+
+typedef struct
+{
+ u8 len; // 4
+ u8 dtype; // 0x24
+ u8 subtype;
+ u8 d0;
+} CDCCSInterfaceDescriptor4;
+
+typedef struct
+{
+ u8 len;
+ u8 dtype; // 0x24
+ u8 subtype; // 1
+ u8 bmCapabilities;
+ u8 bDataInterface;
+} CMFunctionalDescriptor;
+
+typedef struct
+{
+ u8 len;
+ u8 dtype; // 0x24
+ u8 subtype; // 1
+ u8 bmCapabilities;
+} ACMFunctionalDescriptor;
+
+typedef struct
+{
+ // IAD
+ IADDescriptor iad; // Only needed on compound device
+
+ // Control
+ InterfaceDescriptor cif; //
+ CDCCSInterfaceDescriptor header;
+ CMFunctionalDescriptor callManagement; // Call Management
+ ACMFunctionalDescriptor controlManagement; // ACM
+ CDCCSInterfaceDescriptor functionalDescriptor; // CDC_UNION
+ EndpointDescriptor cifin;
+
+ // Data
+ InterfaceDescriptor dif;
+ EndpointDescriptor in;
+ EndpointDescriptor out;
+} CDCDescriptor;
+
+typedef struct
+{
+ InterfaceDescriptor msc;
+ EndpointDescriptor in;
+ EndpointDescriptor out;
+} MSCDescriptor;
+
+typedef struct
+{
+ u8 len; // 9
+ u8 dtype; // 0x21
+ u8 addr;
+ u8 versionL; // 0x101
+ u8 versionH; // 0x101
+ u8 country;
+ u8 desctype; // 0x22 report
+ u8 descLenL;
+ u8 descLenH;
+} HIDDescDescriptor;
+
+typedef struct
+{
+ InterfaceDescriptor hid;
+ HIDDescDescriptor desc;
+ EndpointDescriptor in;
+} HIDDescriptor;
+
+
+#define D_DEVICE(_class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs) \
+ { 18, 1, 0x200, _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_POWER_MA(500) }
+
+#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 }
+
+#define D_IAD(_firstInterface, _count, _class, _subClass, _protocol) \
+ { 8, 11, _firstInterface, _count, _class, _subClass, _protocol, 0 }
+
+#define D_HIDREPORT(_descriptorLength) \
+ { 9, 0x21, 0x1, 0x1, 0, 1, 0x22, _descriptorLength, 0 }
+
+#define D_CDCCS(_subtype,_d0,_d1) { 5, 0x24, _subtype, _d0, _d1 }
+#define D_CDCCS4(_subtype,_d0) { 4, 0x24, _subtype, _d0 }
+
+
+#endif \ No newline at end of file
diff --git a/cores/arduino/USBDesc.h b/cores/arduino/USBDesc.h
new file mode 100644
index 0000000..7d767d1
--- /dev/null
+++ b/cores/arduino/USBDesc.h
@@ -0,0 +1,96 @@
+
+
+/* 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.
+*/
+
+#define CDC_ENABLED
+#define HID_ENABLED
+//#define MSC_ENABLED
+
+
+#ifdef CDC_ENABLED
+#define CDC_INTERFACE_COUNT 2
+#define CDC_ENPOINT_COUNT 3
+#else
+#define CDC_INTERFACE_COUNT 0
+#define CDC_ENPOINT_COUNT 0
+#endif
+
+#ifdef HID_ENABLED
+#define HID_INTERFACE_COUNT 1
+#define HID_ENPOINT_COUNT 1
+#else
+#define HID_INTERFACE_COUNT 0
+#define HID_ENPOINT_COUNT 0
+#endif
+
+#ifdef MSC_ENABLED
+#define MSC_INTERFACE_COUNT 1
+#define MSC_ENPOINT_COUNT 2
+#else
+#define MSC_INTERFACE_COUNT 0
+#define MSC_ENPOINT_COUNT 0
+#endif
+
+#define CDC_ACM_INTERFACE 0 // CDC ACM
+#define CDC_DATA_INTERFACE 1 // CDC Data
+#define CDC_FIRST_ENDPOINT 1
+#define CDC_ENDPOINT_ACM (CDC_FIRST_ENDPOINT) // CDC First
+#define CDC_ENDPOINT_OUT (CDC_FIRST_ENDPOINT+1)
+#define CDC_ENDPOINT_IN (CDC_FIRST_ENDPOINT+2)
+
+#define HID_INTERFACE (CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT) // HID Interface
+#define HID_FIRST_ENDPOINT (CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT)
+#define HID_ENDPOINT_INT (HID_FIRST_ENDPOINT)
+
+#define MSC_INTERFACE (HID_INTERFACE + HID_INTERFACE_COUNT) // MSC Interface
+#define MSC_FIRST_ENDPOINT (HID_FIRST_ENDPOINT + HID_ENPOINT_COUNT)
+#define MSC_ENDPOINT_OUT (MSC_FIRST_ENDPOINT)
+#define MSC_ENDPOINT_IN (MSC_FIRST_ENDPOINT+1)
+
+#define INTERFACE_COUNT (MSC_INTERFACE + MSC_INTERFACE_COUNT)
+
+#ifdef CDC_ENABLED
+#define CDC_RX CDC_ENDPOINT_OUT
+#define CDC_TX CDC_ENDPOINT_IN
+#endif
+
+#ifdef HID_ENABLED
+#define HID_TX HID_ENDPOINT_INT
+#endif
+
+#ifdef MSC_ENABLED
+#define MSC_RX MSC_ENDPOINT_OUT
+#define MSC_TX MSC_ENDPOINT_IN
+#endif
+
+
+#define IMANUFACTURER 0
+#define IPRODUCT 0
+#define ISERIAL 1 // Only need this for MSC
+
+
+#define WRITABLE_DIRECTORY // undef saved 56 + 512 RAM
+
+#define FAT_DISK_LABEL 'b','o','o','t','l','o','a','d','e','r',' ' // 11 chars (undef saves 12)
+#define FAT_FILE_NAME 'F','I','R','M','W','A','R','E','B','I','N' // 11 chars
+#define MSC_DISK_SERIAL '0','0','0','0','0','0','0','0','1','7','0','1' // 12 chars
+
+#define USB_VID 0x2341 // arduino LLC vid
+#define USB_PID ARDUINO_MODEL_USB_PID
+#define FAT_OEM_NAME 'l','e','o','n','a','r','d','o' // 8 chars
+#define PRODUCT_NAME 'A','r','d','u','i','n','o','l','l','c' // 10
+
diff --git a/cores/arduino/main.cpp b/cores/arduino/main.cpp
index 632a4d9..0ef5256 100755
--- a/cores/arduino/main.cpp
+++ b/cores/arduino/main.cpp
@@ -5,6 +5,10 @@ int main(void)
{
init();
+#if defined(USBCON)
+ USB.attach();
+#endif
+
setup();
for (;;) {
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-22 10:24:40 +0000