Luth Haroon / SD_modified

SD card interface

USBDevice/USBSERIAL/USBSerial.cpp@0:22612ae617a0, 2012-10-08 (annotated)

Committer:
lharoon
Date:
Mon Oct 08 11:14:07 2012 +0000
Revision:
0:22612ae617a0
1st edition

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lharoon 0:22612ae617a0 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
lharoon 0:22612ae617a0 2 *
lharoon 0:22612ae617a0 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
lharoon 0:22612ae617a0 4 * and associated documentation files (the "Software"), to deal in the Software without
lharoon 0:22612ae617a0 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
lharoon 0:22612ae617a0 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
lharoon 0:22612ae617a0 7 * Software is furnished to do so, subject to the following conditions:
lharoon 0:22612ae617a0 8 *
lharoon 0:22612ae617a0 9 * The above copyright notice and this permission notice shall be included in all copies or
lharoon 0:22612ae617a0 10 * substantial portions of the Software.
lharoon 0:22612ae617a0 11 *
lharoon 0:22612ae617a0 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
lharoon 0:22612ae617a0 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
lharoon 0:22612ae617a0 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
lharoon 0:22612ae617a0 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lharoon 0:22612ae617a0 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
lharoon 0:22612ae617a0 17 */
lharoon 0:22612ae617a0 18
lharoon 0:22612ae617a0 19 #include "stdint.h"
lharoon 0:22612ae617a0 20 #include "USBSerial.h"
lharoon 0:22612ae617a0 21 #include "USBBusInterface.h"
lharoon 0:22612ae617a0 22
lharoon 0:22612ae617a0 23
lharoon 0:22612ae617a0 24 int USBSerial::_putc(int c) {
lharoon 0:22612ae617a0 25 send((uint8_t *)&c, 1);
lharoon 0:22612ae617a0 26 return 1;
lharoon 0:22612ae617a0 27 }
lharoon 0:22612ae617a0 28
lharoon 0:22612ae617a0 29 int USBSerial::_getc() {
lharoon 0:22612ae617a0 30 uint8_t c;
lharoon 0:22612ae617a0 31 while (buf.isEmpty());
lharoon 0:22612ae617a0 32 buf.dequeue(&c);
lharoon 0:22612ae617a0 33 return c;
lharoon 0:22612ae617a0 34 }
lharoon 0:22612ae617a0 35
lharoon 0:22612ae617a0 36
lharoon 0:22612ae617a0 37 bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
lharoon 0:22612ae617a0 38 if(size > MAX_PACKET_SIZE_EPBULK) {
lharoon 0:22612ae617a0 39 return false;
lharoon 0:22612ae617a0 40 }
lharoon 0:22612ae617a0 41 if(!send(buf, size)) {
lharoon 0:22612ae617a0 42 return false;
lharoon 0:22612ae617a0 43 }
lharoon 0:22612ae617a0 44 return true;
lharoon 0:22612ae617a0 45 }
lharoon 0:22612ae617a0 46
lharoon 0:22612ae617a0 47
lharoon 0:22612ae617a0 48
lharoon 0:22612ae617a0 49 bool USBSerial::EP2_OUT_callback() {
lharoon 0:22612ae617a0 50 uint8_t c[65];
lharoon 0:22612ae617a0 51 uint16_t size = 0;
lharoon 0:22612ae617a0 52
lharoon 0:22612ae617a0 53 //we read the packet received and put it on the circular buffer
lharoon 0:22612ae617a0 54 readEP(c, &size);
lharoon 0:22612ae617a0 55 for (int i = 0; i < size; i++) {
lharoon 0:22612ae617a0 56 buf.queue(c[i]);
lharoon 0:22612ae617a0 57 }
lharoon 0:22612ae617a0 58
lharoon 0:22612ae617a0 59 //call a potential handler
lharoon 0:22612ae617a0 60 rx.call();
lharoon 0:22612ae617a0 61
lharoon 0:22612ae617a0 62 // We reactivate the endpoint to receive next characters
lharoon 0:22612ae617a0 63 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
lharoon 0:22612ae617a0 64 return true;
lharoon 0:22612ae617a0 65 }
lharoon 0:22612ae617a0 66
lharoon 0:22612ae617a0 67 uint8_t USBSerial::available() {
lharoon 0:22612ae617a0 68 return buf.available();
lharoon 0:22612ae617a0 69 }
lharoon 0:22612ae617a0 70