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Dependencies:   Matrix mbed

USBSerial/USBSerial.cpp@0:5e35c180ed4a, 2015-11-23 (annotated)

Committer:
Racer01014
Date:
Mon Nov 23 16:09:54 2015 +0000
Revision:
0:5e35c180ed4a
-

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Racer01014 0:5e35c180ed4a 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
Racer01014 0:5e35c180ed4a 2 *
Racer01014 0:5e35c180ed4a 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Racer01014 0:5e35c180ed4a 4 * and associated documentation files (the "Software"), to deal in the Software without
Racer01014 0:5e35c180ed4a 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
Racer01014 0:5e35c180ed4a 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
Racer01014 0:5e35c180ed4a 7 * Software is furnished to do so, subject to the following conditions:
Racer01014 0:5e35c180ed4a 8 *
Racer01014 0:5e35c180ed4a 9 * The above copyright notice and this permission notice shall be included in all copies or
Racer01014 0:5e35c180ed4a 10 * substantial portions of the Software.
Racer01014 0:5e35c180ed4a 11 *
Racer01014 0:5e35c180ed4a 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Racer01014 0:5e35c180ed4a 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Racer01014 0:5e35c180ed4a 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Racer01014 0:5e35c180ed4a 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Racer01014 0:5e35c180ed4a 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Racer01014 0:5e35c180ed4a 17 */
Racer01014 0:5e35c180ed4a 18
Racer01014 0:5e35c180ed4a 19 #include "stdint.h"
Racer01014 0:5e35c180ed4a 20 #include "USBSerial.h"
Racer01014 0:5e35c180ed4a 21
Racer01014 0:5e35c180ed4a 22 int USBSerial::_putc(int c) {
Racer01014 0:5e35c180ed4a 23 if (!terminal_connected)
Racer01014 0:5e35c180ed4a 24 return 0;
Racer01014 0:5e35c180ed4a 25 send((uint8_t *)&c, 1);
Racer01014 0:5e35c180ed4a 26 return 1;
Racer01014 0:5e35c180ed4a 27 }
Racer01014 0:5e35c180ed4a 28
Racer01014 0:5e35c180ed4a 29 int USBSerial::_getc() {
Racer01014 0:5e35c180ed4a 30 uint8_t c;
Racer01014 0:5e35c180ed4a 31 while (buf.isEmpty());
Racer01014 0:5e35c180ed4a 32 buf.dequeue(&c);
Racer01014 0:5e35c180ed4a 33 return c;
Racer01014 0:5e35c180ed4a 34 }
Racer01014 0:5e35c180ed4a 35
Racer01014 0:5e35c180ed4a 36
Racer01014 0:5e35c180ed4a 37 bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
Racer01014 0:5e35c180ed4a 38 if(size > MAX_PACKET_SIZE_EPBULK) {
Racer01014 0:5e35c180ed4a 39 return false;
Racer01014 0:5e35c180ed4a 40 }
Racer01014 0:5e35c180ed4a 41 if(!send(buf, size)) {
Racer01014 0:5e35c180ed4a 42 return false;
Racer01014 0:5e35c180ed4a 43 }
Racer01014 0:5e35c180ed4a 44 return true;
Racer01014 0:5e35c180ed4a 45 }
Racer01014 0:5e35c180ed4a 46
Racer01014 0:5e35c180ed4a 47
Racer01014 0:5e35c180ed4a 48
Racer01014 0:5e35c180ed4a 49 bool USBSerial::EP2_OUT_callback() {
Racer01014 0:5e35c180ed4a 50 uint8_t c[65];
Racer01014 0:5e35c180ed4a 51 uint32_t size = 0;
Racer01014 0:5e35c180ed4a 52
Racer01014 0:5e35c180ed4a 53 //we read the packet received and put it on the circular buffer
Racer01014 0:5e35c180ed4a 54 readEP(c, &size);
Racer01014 0:5e35c180ed4a 55 for (int i = 0; i < size; i++) {
Racer01014 0:5e35c180ed4a 56 buf.queue(c[i]);
Racer01014 0:5e35c180ed4a 57 }
Racer01014 0:5e35c180ed4a 58
Racer01014 0:5e35c180ed4a 59 //call a potential handler
Racer01014 0:5e35c180ed4a 60 rx.call();
Racer01014 0:5e35c180ed4a 61
Racer01014 0:5e35c180ed4a 62 // We reactivate the endpoint to receive next characters
Racer01014 0:5e35c180ed4a 63 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
Racer01014 0:5e35c180ed4a 64 return true;
Racer01014 0:5e35c180ed4a 65 }
Racer01014 0:5e35c180ed4a 66
Racer01014 0:5e35c180ed4a 67 uint8_t USBSerial::available() {
Racer01014 0:5e35c180ed4a 68 return buf.available();
Racer01014 0:5e35c180ed4a 69 }