Dieter Graef / DISCO_F746NG_USBDevice

partly working USB Device lib for STM32F746NG Discovery both Interface are working

Dependents:   DISCO-F746NG-USB_Device McLighTT project_Keyboard_to_the_Keyboard MIDIInstrumentPADProject ... more

USBSerial/USBSerial.cpp@0:0a2eaa300982, 2016-07-31 (annotated)

Committer:
DieterGraef
Date:
Sun Jul 31 17:47:35 2016 +0000
Revision:
0:0a2eaa300982
partly working USB Device library - serial and MIDI is working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 0:0a2eaa300982 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
DieterGraef 0:0a2eaa300982 2 *
DieterGraef 0:0a2eaa300982 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
DieterGraef 0:0a2eaa300982 4 * and associated documentation files (the "Software"), to deal in the Software without
DieterGraef 0:0a2eaa300982 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
DieterGraef 0:0a2eaa300982 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
DieterGraef 0:0a2eaa300982 7 * Software is furnished to do so, subject to the following conditions:
DieterGraef 0:0a2eaa300982 8 *
DieterGraef 0:0a2eaa300982 9 * The above copyright notice and this permission notice shall be included in all copies or
DieterGraef 0:0a2eaa300982 10 * substantial portions of the Software.
DieterGraef 0:0a2eaa300982 11 *
DieterGraef 0:0a2eaa300982 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
DieterGraef 0:0a2eaa300982 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
DieterGraef 0:0a2eaa300982 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DieterGraef 0:0a2eaa300982 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
DieterGraef 0:0a2eaa300982 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
DieterGraef 0:0a2eaa300982 17 */
DieterGraef 0:0a2eaa300982 18
DieterGraef 0:0a2eaa300982 19 #include "stdint.h"
DieterGraef 0:0a2eaa300982 20 #include "USBSerial.h"
DieterGraef 0:0a2eaa300982 21
DieterGraef 0:0a2eaa300982 22 int USBSerial::_putc(int c) {
DieterGraef 0:0a2eaa300982 23 if (!terminal_connected)
DieterGraef 0:0a2eaa300982 24 return 0;
DieterGraef 0:0a2eaa300982 25 send((uint8_t *)&c, 1);
DieterGraef 0:0a2eaa300982 26 return 1;
DieterGraef 0:0a2eaa300982 27 }
DieterGraef 0:0a2eaa300982 28
DieterGraef 0:0a2eaa300982 29 int USBSerial::_getc() {
DieterGraef 0:0a2eaa300982 30 uint8_t c = 0;
DieterGraef 0:0a2eaa300982 31 while (buf.isEmpty());
DieterGraef 0:0a2eaa300982 32 buf.dequeue(&c);
DieterGraef 0:0a2eaa300982 33 return c;
DieterGraef 0:0a2eaa300982 34 }
DieterGraef 0:0a2eaa300982 35
DieterGraef 0:0a2eaa300982 36
DieterGraef 0:0a2eaa300982 37 bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
DieterGraef 0:0a2eaa300982 38 if(size > MAX_PACKET_SIZE_EPBULK) {
DieterGraef 0:0a2eaa300982 39 return false;
DieterGraef 0:0a2eaa300982 40 }
DieterGraef 0:0a2eaa300982 41 if(!send(buf, size)) {
DieterGraef 0:0a2eaa300982 42 return false;
DieterGraef 0:0a2eaa300982 43 }
DieterGraef 0:0a2eaa300982 44 return true;
DieterGraef 0:0a2eaa300982 45 }
DieterGraef 0:0a2eaa300982 46
DieterGraef 0:0a2eaa300982 47
DieterGraef 0:0a2eaa300982 48
DieterGraef 0:0a2eaa300982 49 bool USBSerial::EPBULK_OUT_callback() {
DieterGraef 0:0a2eaa300982 50 uint8_t c[65];
DieterGraef 0:0a2eaa300982 51 uint32_t size = 0;
DieterGraef 0:0a2eaa300982 52
DieterGraef 0:0a2eaa300982 53 //we read the packet received and put it on the circular buffer
DieterGraef 0:0a2eaa300982 54 readEP(c, &size);
DieterGraef 0:0a2eaa300982 55 for (uint32_t i = 0; i < size; i++) {
DieterGraef 0:0a2eaa300982 56 buf.queue(c[i]);
DieterGraef 0:0a2eaa300982 57 }
DieterGraef 0:0a2eaa300982 58
DieterGraef 0:0a2eaa300982 59 //call a potential handler
DieterGraef 0:0a2eaa300982 60 rx.call();
DieterGraef 0:0a2eaa300982 61
DieterGraef 0:0a2eaa300982 62 return true;
DieterGraef 0:0a2eaa300982 63 }
DieterGraef 0:0a2eaa300982 64
DieterGraef 0:0a2eaa300982 65 uint8_t USBSerial::available() {
DieterGraef 0:0a2eaa300982 66 return buf.available();
DieterGraef 0:0a2eaa300982 67 }