Ahmad Alkaff / Mbed 2 deprecated CS3237

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Dependencies:   mbed

USBDevice/USBSerial/USBSerial.cpp@0:7b5d37ca532f, 2019-10-09 (annotated)

Committer:
AhmadAlkaff
Date:
Wed Oct 09 09:38:09 2019 +0000
Revision:
0:7b5d37ca532f
Initial Commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AhmadAlkaff 0:7b5d37ca532f 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
AhmadAlkaff 0:7b5d37ca532f 2 *
AhmadAlkaff 0:7b5d37ca532f 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
AhmadAlkaff 0:7b5d37ca532f 4 * and associated documentation files (the "Software"), to deal in the Software without
AhmadAlkaff 0:7b5d37ca532f 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
AhmadAlkaff 0:7b5d37ca532f 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
AhmadAlkaff 0:7b5d37ca532f 7 * Software is furnished to do so, subject to the following conditions:
AhmadAlkaff 0:7b5d37ca532f 8 *
AhmadAlkaff 0:7b5d37ca532f 9 * The above copyright notice and this permission notice shall be included in all copies or
AhmadAlkaff 0:7b5d37ca532f 10 * substantial portions of the Software.
AhmadAlkaff 0:7b5d37ca532f 11 *
AhmadAlkaff 0:7b5d37ca532f 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
AhmadAlkaff 0:7b5d37ca532f 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
AhmadAlkaff 0:7b5d37ca532f 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
AhmadAlkaff 0:7b5d37ca532f 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AhmadAlkaff 0:7b5d37ca532f 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
AhmadAlkaff 0:7b5d37ca532f 17 */
AhmadAlkaff 0:7b5d37ca532f 18
AhmadAlkaff 0:7b5d37ca532f 19 #include "stdint.h"
AhmadAlkaff 0:7b5d37ca532f 20 #include "USBSerial.h"
AhmadAlkaff 0:7b5d37ca532f 21
AhmadAlkaff 0:7b5d37ca532f 22 int USBSerial::_putc(int c) {
AhmadAlkaff 0:7b5d37ca532f 23 if (!terminal_connected)
AhmadAlkaff 0:7b5d37ca532f 24 return 0;
AhmadAlkaff 0:7b5d37ca532f 25 send((uint8_t *)&c, 1);
AhmadAlkaff 0:7b5d37ca532f 26 return 1;
AhmadAlkaff 0:7b5d37ca532f 27 }
AhmadAlkaff 0:7b5d37ca532f 28
AhmadAlkaff 0:7b5d37ca532f 29 int USBSerial::_getc() {
AhmadAlkaff 0:7b5d37ca532f 30 uint8_t c = 0;
AhmadAlkaff 0:7b5d37ca532f 31 while (buf.isEmpty());
AhmadAlkaff 0:7b5d37ca532f 32 buf.dequeue(&c);
AhmadAlkaff 0:7b5d37ca532f 33 return c;
AhmadAlkaff 0:7b5d37ca532f 34 }
AhmadAlkaff 0:7b5d37ca532f 35
AhmadAlkaff 0:7b5d37ca532f 36
AhmadAlkaff 0:7b5d37ca532f 37 bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
AhmadAlkaff 0:7b5d37ca532f 38 if(size > MAX_PACKET_SIZE_EPBULK) {
AhmadAlkaff 0:7b5d37ca532f 39 return false;
AhmadAlkaff 0:7b5d37ca532f 40 }
AhmadAlkaff 0:7b5d37ca532f 41 if(!send(buf, size)) {
AhmadAlkaff 0:7b5d37ca532f 42 return false;
AhmadAlkaff 0:7b5d37ca532f 43 }
AhmadAlkaff 0:7b5d37ca532f 44 return true;
AhmadAlkaff 0:7b5d37ca532f 45 }
AhmadAlkaff 0:7b5d37ca532f 46
AhmadAlkaff 0:7b5d37ca532f 47
AhmadAlkaff 0:7b5d37ca532f 48
AhmadAlkaff 0:7b5d37ca532f 49 bool USBSerial::EPBULK_OUT_callback() {
AhmadAlkaff 0:7b5d37ca532f 50 uint8_t c[65];
AhmadAlkaff 0:7b5d37ca532f 51 uint32_t size = 0;
AhmadAlkaff 0:7b5d37ca532f 52
AhmadAlkaff 0:7b5d37ca532f 53 //we read the packet received and put it on the circular buffer
AhmadAlkaff 0:7b5d37ca532f 54 readEP(c, &size);
AhmadAlkaff 0:7b5d37ca532f 55 for (uint32_t i = 0; i < size; i++) {
AhmadAlkaff 0:7b5d37ca532f 56 buf.queue(c[i]);
AhmadAlkaff 0:7b5d37ca532f 57 }
AhmadAlkaff 0:7b5d37ca532f 58
AhmadAlkaff 0:7b5d37ca532f 59 //call a potential handler
AhmadAlkaff 0:7b5d37ca532f 60 rx.call();
AhmadAlkaff 0:7b5d37ca532f 61
AhmadAlkaff 0:7b5d37ca532f 62 return true;
AhmadAlkaff 0:7b5d37ca532f 63 }
AhmadAlkaff 0:7b5d37ca532f 64
AhmadAlkaff 0:7b5d37ca532f 65 uint8_t USBSerial::available() {
AhmadAlkaff 0:7b5d37ca532f 66 return buf.available();
AhmadAlkaff 0:7b5d37ca532f 67 }