Jerry Roletter / USBDevice

Modified USBDevice mainly for debug of serial port communications. It is unfinished and should not be used - use the main branch.

Dependents:   FinalProject

Fork of USBDevice by mbed official

USBSerial/USBSerial.cpp@11:04aaad10c94e, 2013-09-01 (annotated)

Committer:
groletter
Date:
Sun Sep 01 23:34:33 2013 +0000
Revision:
11:04aaad10c94e
Parent:
6:d0945750af57 
I'm trying to commit this project for school.  I made minor mods to USBDevice for debugging mostly.  I hope it doesn't get mixed with the "real" USBDevice code.  If so I'll figure out how to un-do (this is my first time with mbed revsion control).

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:80ab0d068708 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
samux 1:80ab0d068708 2 *
samux 1:80ab0d068708 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 1:80ab0d068708 4 * and associated documentation files (the "Software"), to deal in the Software without
samux 1:80ab0d068708 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux 1:80ab0d068708 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux 1:80ab0d068708 7 * Software is furnished to do so, subject to the following conditions:
samux 1:80ab0d068708 8 *
samux 1:80ab0d068708 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 1:80ab0d068708 10 * substantial portions of the Software.
samux 1:80ab0d068708 11 *
samux 1:80ab0d068708 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 1:80ab0d068708 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 1:80ab0d068708 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 1:80ab0d068708 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 1:80ab0d068708 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 1:80ab0d068708 17 */
samux 1:80ab0d068708 18
samux 1:80ab0d068708 19 #include "stdint.h"
samux 1:80ab0d068708 20 #include "USBSerial.h"
samux 1:80ab0d068708 21
samux 1:80ab0d068708 22 int USBSerial::_putc(int c) {
samux 6:d0945750af57 23 if (!terminal_connected)
samux 6:d0945750af57 24 return 0;
samux 1:80ab0d068708 25 send((uint8_t *)&c, 1);
samux 1:80ab0d068708 26 return 1;
samux 1:80ab0d068708 27 }
samux 1:80ab0d068708 28
groletter 11:04aaad10c94e 29 int USBSerial::_putcNB(int c) {
groletter 11:04aaad10c94e 30 if (!terminal_connected)
groletter 11:04aaad10c94e 31 return 0;
groletter 11:04aaad10c94e 32 if (!sendNB((uint8_t *)&c, 1)) {
groletter 11:04aaad10c94e 33 return 0;
groletter 11:04aaad10c94e 34 }
groletter 11:04aaad10c94e 35 else {
groletter 11:04aaad10c94e 36 return 1;
groletter 11:04aaad10c94e 37 }
groletter 11:04aaad10c94e 38 }
groletter 11:04aaad10c94e 39
samux 1:80ab0d068708 40 int USBSerial::_getc() {
samux 1:80ab0d068708 41 uint8_t c;
samux 1:80ab0d068708 42 while (buf.isEmpty());
samux 1:80ab0d068708 43 buf.dequeue(&c);
samux 1:80ab0d068708 44 return c;
samux 1:80ab0d068708 45 }
samux 1:80ab0d068708 46
samux 1:80ab0d068708 47
samux 1:80ab0d068708 48 bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
samux 1:80ab0d068708 49 if(size > MAX_PACKET_SIZE_EPBULK) {
samux 1:80ab0d068708 50 return false;
samux 1:80ab0d068708 51 }
samux 1:80ab0d068708 52 if(!send(buf, size)) {
samux 1:80ab0d068708 53 return false;
samux 1:80ab0d068708 54 }
samux 1:80ab0d068708 55 return true;
samux 1:80ab0d068708 56 }
samux 1:80ab0d068708 57
samux 1:80ab0d068708 58
samux 1:80ab0d068708 59
samux 1:80ab0d068708 60 bool USBSerial::EP2_OUT_callback() {
samux 1:80ab0d068708 61 uint8_t c[65];
samux 1:80ab0d068708 62 uint32_t size = 0;
samux 1:80ab0d068708 63
samux 1:80ab0d068708 64 //we read the packet received and put it on the circular buffer
samux 1:80ab0d068708 65 readEP(c, &size);
samux 1:80ab0d068708 66 for (int i = 0; i < size; i++) {
samux 1:80ab0d068708 67 buf.queue(c[i]);
samux 1:80ab0d068708 68 }
samux 1:80ab0d068708 69
samux 1:80ab0d068708 70 //call a potential handler
samux 1:80ab0d068708 71 rx.call();
samux 1:80ab0d068708 72
samux 1:80ab0d068708 73 // We reactivate the endpoint to receive next characters
samux 1:80ab0d068708 74 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
samux 1:80ab0d068708 75 return true;
samux 1:80ab0d068708 76 }
samux 1:80ab0d068708 77
groletter 11:04aaad10c94e 78 bool USBSerial::deviceAttached(void) {
groletter 11:04aaad10c94e 79 if (terminal_connected) {
groletter 11:04aaad10c94e 80 return true;
groletter 11:04aaad10c94e 81 }
groletter 11:04aaad10c94e 82 else {
groletter 11:04aaad10c94e 83 return false;
groletter 11:04aaad10c94e 84 }
groletter 11:04aaad10c94e 85 }
groletter 11:04aaad10c94e 86
samux 1:80ab0d068708 87 uint8_t USBSerial::available() {
samux 1:80ab0d068708 88 return buf.available();
samux 1:80ab0d068708 89 }