Helmut Tschemernjak / USBDeviceHT

A copy of the mbed USBDevice with USBSerial library

Dependents:   STM32L0_LoRa Smartage STM32L0_LoRa Turtle_RadioShuttle

USBSerial/USBSerial.cpp@0:a3ea811f80f2, 2018-02-05 (annotated)

Committer:
Helmut64
Date:
Mon Feb 05 10:22:57 2018 +0000
Revision:
0:a3ea811f80f2
Child:
2:195554780c9b
Inital checkin after copied from mbed.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Helmut64 0:a3ea811f80f2 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
Helmut64 0:a3ea811f80f2 2 *
Helmut64 0:a3ea811f80f2 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Helmut64 0:a3ea811f80f2 4 * and associated documentation files (the "Software"), to deal in the Software without
Helmut64 0:a3ea811f80f2 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
Helmut64 0:a3ea811f80f2 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
Helmut64 0:a3ea811f80f2 7 * Software is furnished to do so, subject to the following conditions:
Helmut64 0:a3ea811f80f2 8 *
Helmut64 0:a3ea811f80f2 9 * The above copyright notice and this permission notice shall be included in all copies or
Helmut64 0:a3ea811f80f2 10 * substantial portions of the Software.
Helmut64 0:a3ea811f80f2 11 *
Helmut64 0:a3ea811f80f2 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Helmut64 0:a3ea811f80f2 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Helmut64 0:a3ea811f80f2 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Helmut64 0:a3ea811f80f2 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Helmut64 0:a3ea811f80f2 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Helmut64 0:a3ea811f80f2 17 */
Helmut64 0:a3ea811f80f2 18
Helmut64 0:a3ea811f80f2 19 #include "stdint.h"
Helmut64 0:a3ea811f80f2 20 #include "USBSerial.h"
Helmut64 0:a3ea811f80f2 21
Helmut64 0:a3ea811f80f2 22 int USBSerial::_putc(int c) {
Helmut64 0:a3ea811f80f2 23 if (!terminal_connected)
Helmut64 0:a3ea811f80f2 24 return 0;
Helmut64 0:a3ea811f80f2 25 send((uint8_t *)&c, 1);
Helmut64 0:a3ea811f80f2 26 return 1;
Helmut64 0:a3ea811f80f2 27 }
Helmut64 0:a3ea811f80f2 28
Helmut64 0:a3ea811f80f2 29 int USBSerial::_getc() {
Helmut64 0:a3ea811f80f2 30 uint8_t c = 0;
Helmut64 0:a3ea811f80f2 31 while (buf.isEmpty());
Helmut64 0:a3ea811f80f2 32 buf.dequeue(&c);
Helmut64 0:a3ea811f80f2 33 return c;
Helmut64 0:a3ea811f80f2 34 }
Helmut64 0:a3ea811f80f2 35
Helmut64 0:a3ea811f80f2 36
Helmut64 0:a3ea811f80f2 37 bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
Helmut64 0:a3ea811f80f2 38 if(size > MAX_PACKET_SIZE_EPBULK) {
Helmut64 0:a3ea811f80f2 39 return false;
Helmut64 0:a3ea811f80f2 40 }
Helmut64 0:a3ea811f80f2 41 if(!send(buf, size)) {
Helmut64 0:a3ea811f80f2 42 return false;
Helmut64 0:a3ea811f80f2 43 }
Helmut64 0:a3ea811f80f2 44 return true;
Helmut64 0:a3ea811f80f2 45 }
Helmut64 0:a3ea811f80f2 46
Helmut64 0:a3ea811f80f2 47
Helmut64 0:a3ea811f80f2 48
Helmut64 0:a3ea811f80f2 49 bool USBSerial::EPBULK_OUT_callback() {
Helmut64 0:a3ea811f80f2 50 uint8_t c[65];
Helmut64 0:a3ea811f80f2 51 uint32_t size = 0;
Helmut64 0:a3ea811f80f2 52
Helmut64 0:a3ea811f80f2 53 //we read the packet received and put it on the circular buffer
Helmut64 0:a3ea811f80f2 54 readEP(c, &size);
Helmut64 0:a3ea811f80f2 55 for (uint32_t i = 0; i < size; i++) {
Helmut64 0:a3ea811f80f2 56 buf.queue(c[i]);
Helmut64 0:a3ea811f80f2 57 }
Helmut64 0:a3ea811f80f2 58
Helmut64 0:a3ea811f80f2 59 //call a potential handlenr
Helmut64 0:a3ea811f80f2 60 if (rx)
Helmut64 0:a3ea811f80f2 61 rx.call();
Helmut64 0:a3ea811f80f2 62
Helmut64 0:a3ea811f80f2 63 return true;
Helmut64 0:a3ea811f80f2 64 }
Helmut64 0:a3ea811f80f2 65
Helmut64 0:a3ea811f80f2 66 uint8_t USBSerial::available() {
Helmut64 0:a3ea811f80f2 67 return buf.available();
Helmut64 0:a3ea811f80f2 68 }
Helmut64 0:a3ea811f80f2 69
Helmut64 0:a3ea811f80f2 70 bool USBSerial::connected() {
Helmut64 0:a3ea811f80f2 71 return terminal_connected;
Helmut64 0:a3ea811f80f2 72 }