Chris Pepper / USBSerialKeyboard

A Composite device with USBSerial and USBKeyboard

Dependents:   USBSerialKeyboard_Example

USBSerialKeyboard.cpp@1:9367d07d0707, 2013-03-30 (annotated)

Committer:
p3p
Date:
Sat Mar 30 12:27:31 2013 +0000
Revision:
1:9367d07d0707
Parent:
0:93ff83b03fd8 
Initial Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
p3p 0:93ff83b03fd8 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
p3p 0:93ff83b03fd8 2 *
p3p 0:93ff83b03fd8 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
p3p 0:93ff83b03fd8 4 * and associated documentation files (the "Software"), to deal in the Software without
p3p 0:93ff83b03fd8 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
p3p 0:93ff83b03fd8 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
p3p 0:93ff83b03fd8 7 * Software is furnished to do so, subject to the following conditions:
p3p 0:93ff83b03fd8 8 *
p3p 0:93ff83b03fd8 9 * The above copyright notice and this permission notice shall be included in all copies or
p3p 0:93ff83b03fd8 10 * substantial portions of the Software.
p3p 0:93ff83b03fd8 11 *
p3p 0:93ff83b03fd8 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
p3p 0:93ff83b03fd8 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
p3p 0:93ff83b03fd8 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
p3p 0:93ff83b03fd8 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
p3p 0:93ff83b03fd8 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
p3p 0:93ff83b03fd8 17 */
p3p 0:93ff83b03fd8 18
p3p 0:93ff83b03fd8 19 #include "stdint.h"
p3p 0:93ff83b03fd8 20 #include "USBSerialKeyboard.h"
p3p 0:93ff83b03fd8 21
p3p 0:93ff83b03fd8 22 int USBSerialKeyboard::_putc(int c) {
p3p 0:93ff83b03fd8 23 if (!terminal_connected)
p3p 0:93ff83b03fd8 24 return 0;
p3p 0:93ff83b03fd8 25 send((uint8_t *)&c, 1);
p3p 0:93ff83b03fd8 26 return 1;
p3p 0:93ff83b03fd8 27 }
p3p 0:93ff83b03fd8 28
p3p 0:93ff83b03fd8 29 int USBSerialKeyboard::_getc() {
p3p 0:93ff83b03fd8 30 uint8_t c;
p3p 0:93ff83b03fd8 31 while (buf.isEmpty());
p3p 0:93ff83b03fd8 32 buf.dequeue(&c);
p3p 0:93ff83b03fd8 33 return c;
p3p 0:93ff83b03fd8 34 }
p3p 0:93ff83b03fd8 35
p3p 0:93ff83b03fd8 36 bool USBSerialKeyboard::EP1_OUT_callback() {
p3p 0:93ff83b03fd8 37 uint32_t bytesRead = 0;
p3p 0:93ff83b03fd8 38 uint8_t led[65];
p3p 0:93ff83b03fd8 39 USBDevice::readEP(EPINT_OUT, led, &bytesRead, MAX_HID_REPORT_SIZE);
p3p 0:93ff83b03fd8 40
p3p 0:93ff83b03fd8 41 // we take led[1] because led[0] is the report ID
p3p 0:93ff83b03fd8 42 //lock_status = led[1] & 0x07;
p3p 0:93ff83b03fd8 43
p3p 0:93ff83b03fd8 44 // We activate the endpoint to be able to recceive data
p3p 0:93ff83b03fd8 45 if (!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
p3p 0:93ff83b03fd8 46 return false;
p3p 0:93ff83b03fd8 47 return true;
p3p 0:93ff83b03fd8 48 }
p3p 0:93ff83b03fd8 49
p3p 0:93ff83b03fd8 50 bool USBSerialKeyboard::writeBlock(uint8_t * buf, uint16_t size) {
p3p 0:93ff83b03fd8 51 if(size > MAX_PACKET_SIZE_EPBULK) {
p3p 0:93ff83b03fd8 52 return false;
p3p 0:93ff83b03fd8 53 }
p3p 0:93ff83b03fd8 54 if(!send(buf, size)) {
p3p 0:93ff83b03fd8 55 return false;
p3p 0:93ff83b03fd8 56 }
p3p 0:93ff83b03fd8 57 return true;
p3p 0:93ff83b03fd8 58 }
p3p 0:93ff83b03fd8 59
p3p 0:93ff83b03fd8 60
p3p 0:93ff83b03fd8 61
p3p 0:93ff83b03fd8 62 bool USBSerialKeyboard::EP2_OUT_callback() {
p3p 0:93ff83b03fd8 63 uint8_t c[65];
p3p 0:93ff83b03fd8 64 uint32_t size = 0;
p3p 0:93ff83b03fd8 65
p3p 0:93ff83b03fd8 66 //we read the packet received and put it on the circular buffer
p3p 0:93ff83b03fd8 67 readEP(c, &size);
p3p 0:93ff83b03fd8 68 for (int i = 0; i < size; i++) {
p3p 0:93ff83b03fd8 69 buf.queue(c[i]);
p3p 0:93ff83b03fd8 70 }
p3p 0:93ff83b03fd8 71
p3p 0:93ff83b03fd8 72 //call a potential handler
p3p 0:93ff83b03fd8 73 rx.call();
p3p 0:93ff83b03fd8 74
p3p 0:93ff83b03fd8 75 // We reactivate the endpoint to receive next characters
p3p 0:93ff83b03fd8 76 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
p3p 0:93ff83b03fd8 77 return true;
p3p 0:93ff83b03fd8 78 }
p3p 0:93ff83b03fd8 79
p3p 0:93ff83b03fd8 80 uint8_t USBSerialKeyboard::available() {
p3p 0:93ff83b03fd8 81 return buf.available();
p3p 0:93ff83b03fd8 82 }
p3p 0:93ff83b03fd8 83
p3p 0:93ff83b03fd8 84 bool USBSerialKeyboard::keypress(uint8_t key, uint8_t modifier){
p3p 0:93ff83b03fd8 85 HID_REPORT report;
p3p 0:93ff83b03fd8 86
p3p 0:93ff83b03fd8 87 report.data[0] = REPORT_ID_KEYBOARD;
p3p 0:93ff83b03fd8 88 report.data[1] = modifier;
p3p 0:93ff83b03fd8 89 report.data[2] = 0;
p3p 0:93ff83b03fd8 90 report.data[3] = keymap[key].usage;
p3p 0:93ff83b03fd8 91 report.data[4] = 0;
p3p 0:93ff83b03fd8 92 report.data[5] = 0;
p3p 0:93ff83b03fd8 93 report.data[6] = 0;
p3p 0:93ff83b03fd8 94 report.data[7] = 0;
p3p 0:93ff83b03fd8 95 report.data[8] = 0;
p3p 0:93ff83b03fd8 96
p3p 0:93ff83b03fd8 97 report.length = 9;
p3p 0:93ff83b03fd8 98
p3p 0:93ff83b03fd8 99 if (!USBDevice::write(EPINT_IN, report.data, report.length, MAX_HID_REPORT_SIZE)) {
p3p 0:93ff83b03fd8 100 return false;
p3p 0:93ff83b03fd8 101 }
p3p 0:93ff83b03fd8 102 return true;
p3p 0:93ff83b03fd8 103 }
p3p 0:93ff83b03fd8 104
p3p 0:93ff83b03fd8 105 bool USBSerialKeyboard::keyrelease(){
p3p 0:93ff83b03fd8 106
p3p 0:93ff83b03fd8 107 HID_REPORT report;
p3p 0:93ff83b03fd8 108 report.data[0] = REPORT_ID_KEYBOARD;
p3p 0:93ff83b03fd8 109 report.data[1] = 0;
p3p 0:93ff83b03fd8 110 report.data[2] = 0;
p3p 0:93ff83b03fd8 111 report.data[3] = 0;
p3p 0:93ff83b03fd8 112 report.data[4] = 0;
p3p 0:93ff83b03fd8 113 report.data[5] = 0;
p3p 0:93ff83b03fd8 114 report.data[6] = 0;
p3p 0:93ff83b03fd8 115 report.data[7] = 0;
p3p 0:93ff83b03fd8 116 report.data[8] = 0;
p3p 0:93ff83b03fd8 117 report.length = 9;
p3p 0:93ff83b03fd8 118
p3p 0:93ff83b03fd8 119
p3p 0:93ff83b03fd8 120 if (!USBDevice::write(EPINT_IN, report.data, report.length, MAX_HID_REPORT_SIZE)) {
p3p 0:93ff83b03fd8 121 return false;
p3p 0:93ff83b03fd8 122 }
p3p 0:93ff83b03fd8 123
p3p 0:93ff83b03fd8 124 return true;
p3p 0:93ff83b03fd8 125 }