Wilson Nunes / USBDevice_edit

Fork of the original Sammy USB_Device library; may not work well;

Fork of USBDevice by Samuel Mokrani

USBSerial/USBSerial.cpp@1:dc16be71dc2b, 2017-05-04 (annotated)

Committer:
Ugly_Kid
Date:
Thu May 04 13:35:50 2017 +0000
Revision:
1:dc16be71dc2b
Parent:
0:140cdf8e2d60 
Pequenas altera??es na biblioteca original.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 0:140cdf8e2d60 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
samux 0:140cdf8e2d60 2 *
samux 0:140cdf8e2d60 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 0:140cdf8e2d60 4 * and associated documentation files (the "Software"), to deal in the Software without
samux 0:140cdf8e2d60 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux 0:140cdf8e2d60 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux 0:140cdf8e2d60 7 * Software is furnished to do so, subject to the following conditions:
samux 0:140cdf8e2d60 8 *
samux 0:140cdf8e2d60 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 0:140cdf8e2d60 10 * substantial portions of the Software.
samux 0:140cdf8e2d60 11 *
samux 0:140cdf8e2d60 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 0:140cdf8e2d60 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 0:140cdf8e2d60 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 0:140cdf8e2d60 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 0:140cdf8e2d60 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 0:140cdf8e2d60 17 */
samux 0:140cdf8e2d60 18
samux 0:140cdf8e2d60 19 #include "stdint.h"
samux 0:140cdf8e2d60 20 #include "USBSerial.h"
samux 0:140cdf8e2d60 21
samux 0:140cdf8e2d60 22 int USBSerial::_putc(int c) {
samux 0:140cdf8e2d60 23 send((uint8_t *)&c, 1);
samux 0:140cdf8e2d60 24 return 1;
samux 0:140cdf8e2d60 25 }
samux 0:140cdf8e2d60 26
samux 0:140cdf8e2d60 27 int USBSerial::_getc() {
samux 0:140cdf8e2d60 28 uint8_t c;
samux 0:140cdf8e2d60 29 while (buf.isEmpty());
samux 0:140cdf8e2d60 30 buf.dequeue(&c);
samux 0:140cdf8e2d60 31 return c;
samux 0:140cdf8e2d60 32 }
samux 0:140cdf8e2d60 33
samux 0:140cdf8e2d60 34
samux 0:140cdf8e2d60 35 bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
samux 0:140cdf8e2d60 36 if(size > MAX_PACKET_SIZE_EPBULK) {
samux 0:140cdf8e2d60 37 return false;
samux 0:140cdf8e2d60 38 }
samux 0:140cdf8e2d60 39 if(!send(buf, size)) {
samux 0:140cdf8e2d60 40 return false;
samux 0:140cdf8e2d60 41 }
samux 0:140cdf8e2d60 42 return true;
samux 0:140cdf8e2d60 43 }
samux 0:140cdf8e2d60 44
samux 0:140cdf8e2d60 45
samux 0:140cdf8e2d60 46
samux 0:140cdf8e2d60 47 bool USBSerial::EP2_OUT_callback() {
samux 0:140cdf8e2d60 48 uint8_t c[65];
samux 0:140cdf8e2d60 49 uint32_t size = 0;
samux 0:140cdf8e2d60 50
samux 0:140cdf8e2d60 51 //we read the packet received and put it on the circular buffer
samux 0:140cdf8e2d60 52 readEP(c, &size);
samux 0:140cdf8e2d60 53 for (int i = 0; i < size; i++) {
samux 0:140cdf8e2d60 54 buf.queue(c[i]);
samux 0:140cdf8e2d60 55 }
samux 0:140cdf8e2d60 56
samux 0:140cdf8e2d60 57 //call a potential handler
samux 0:140cdf8e2d60 58 rx.call();
samux 0:140cdf8e2d60 59
samux 0:140cdf8e2d60 60 // We reactivate the endpoint to receive next characters
samux 0:140cdf8e2d60 61 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
samux 0:140cdf8e2d60 62 return true;
samux 0:140cdf8e2d60 63 }
samux 0:140cdf8e2d60 64
samux 0:140cdf8e2d60 65 uint8_t USBSerial::available() {
samux 0:140cdf8e2d60 66 return buf.available();
samux 0:140cdf8e2d60 67 }