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Diffstat (limited to 'protocol/usb_hid/arduino-1.0.1/cores/arduino/CDC.cpp')
-rw-r--r--protocol/usb_hid/arduino-1.0.1/cores/arduino/CDC.cpp233
1 files changed, 0 insertions, 233 deletions
diff --git a/protocol/usb_hid/arduino-1.0.1/cores/arduino/CDC.cpp b/protocol/usb_hid/arduino-1.0.1/cores/arduino/CDC.cpp
deleted file mode 100644
index 1ee3a488a..000000000
--- a/protocol/usb_hid/arduino-1.0.1/cores/arduino/CDC.cpp
+++ /dev/null
@@ -1,233 +0,0 @@
-
-
-/* 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
-
-#if (RAMEND < 1000)
-#define SERIAL_BUFFER_SIZE 16
-#else
-#define SERIAL_BUFFER_SIZE 64
-#endif
-
-struct ring_buffer
-{
- unsigned char buffer[SERIAL_BUFFER_SIZE];
- volatile int head;
- volatile int tail;
-};
-
-ring_buffer cdc_rx_buffer = { { 0 }, 0, 0};
-
-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)
- {
- _usbLineInfo.lineState = setup.wValueL;
-
- // auto-reset into the bootloader is triggered when the port, already
- // open at 1200 bps, is closed. this is the signal to start the watchdog
- // with a relatively long period so it can finish housekeeping tasks
- // like servicing endpoints before the sketch ends
- if (1200 == _usbLineInfo.dwDTERate) {
- // We check DTR state to determine if host port is open (bit 0 of lineState).
- if ((_usbLineInfo.lineState & 0x01) == 0) {
- *(uint16_t *)0x0800 = 0x7777;
- wdt_enable(WDTO_120MS);
- } else {
- // Most OSs do some intermediate steps when configuring ports and DTR can
- // twiggle more than once before stabilizing.
- // To avoid spurious resets we set the watchdog to 250ms and eventually
- // cancel if DTR goes back high.
-
- wdt_disable();
- wdt_reset();
- *(uint16_t *)0x0800 = 0x0;
- }
- }
- return true;
- }
- }
- return false;
-}
-
-
-int _serialPeek = -1;
-void Serial_::begin(uint16_t baud_count)
-{
-}
-
-void Serial_::end(void)
-{
-}
-
-void Serial_::accept(void)
-{
- ring_buffer *buffer = &cdc_rx_buffer;
- int c = USB_Recv(CDC_RX);
- int i = (unsigned int)(buffer->head+1) % SERIAL_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 != buffer->tail) {
- buffer->buffer[buffer->head] = c;
- buffer->head = i;
- }
-}
-
-int Serial_::available(void)
-{
- ring_buffer *buffer = &cdc_rx_buffer;
- return (unsigned int)(SERIAL_BUFFER_SIZE + buffer->head - buffer->tail) % SERIAL_BUFFER_SIZE;
-}
-
-int Serial_::peek(void)
-{
- ring_buffer *buffer = &cdc_rx_buffer;
- if (buffer->head == buffer->tail) {
- return -1;
- } else {
- return buffer->buffer[buffer->tail];
- }
-}
-
-int Serial_::read(void)
-{
- ring_buffer *buffer = &cdc_rx_buffer;
- // if the head isn't ahead of the tail, we don't have any characters
- if (buffer->head == buffer->tail) {
- return -1;
- } else {
- unsigned char c = buffer->buffer[buffer->tail];
- buffer->tail = (unsigned int)(buffer->tail + 1) % SERIAL_BUFFER_SIZE;
- 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;
-}
-
-// This operator is a convenient way for a sketch to check whether the
-// port has actually been configured and opened by the host (as opposed
-// to just being connected to the host). It can be used, for example, in
-// setup() before printing to ensure that an application on the host is
-// actually ready to receive and display the data.
-// We add a short delay before returning to fix a bug observed by Federico
-// where the port is configured (lineState != 0) but not quite opened.
-Serial_::operator bool() {
- bool result = false;
- if (_usbLineInfo.lineState > 0)
- result = true;
- delay(10);
- return result;
-}
-
-Serial_ Serial;
-
-#endif
-#endif /* if defined(USBCON) */