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tmk_keyboard/tool/mbed/mbed-sdk/libraries/USBDevice/USBSerial/USBSerial.cpp

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/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* 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 "stdint.h"
#include "USBSerial.h"
int USBSerial::_putc(int c) {
if (!terminal_connected)
return 0;
send((uint8_t *)&c, 1);
return 1;
}
int USBSerial::_getc() {
uint8_t c = 0;
while (buf.isEmpty());
buf.dequeue(&c);
return c;
}
bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
if(size > MAX_PACKET_SIZE_EPBULK) {
return false;
}
if(!send(buf, size)) {
return false;
}
return true;
}
bool USBSerial::EPBULK_OUT_callback() {
uint8_t c[65];
uint32_t size = 0;
//we read the packet received and put it on the circular buffer
readEP(c, &size);
for (uint32_t i = 0; i < size; i++) {
buf.queue(c[i]);
}
//call a potential handler
rx.call();
return true;
}
uint8_t USBSerial::available() {
return buf.available();
}