Luth Haroon / SD_modified

SD card interface

USBDevice/USBMIDI/USBMIDI.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 "USBMIDI.h"
lharoon 0:22612ae617a0 21 #include "USBBusInterface.h"
lharoon 0:22612ae617a0 22
lharoon 0:22612ae617a0 23
lharoon 0:22612ae617a0 24 USBMIDI::USBMIDI(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) {
lharoon 0:22612ae617a0 25 midi_evt = NULL;
lharoon 0:22612ae617a0 26 USBDevice::connect();
lharoon 0:22612ae617a0 27 }
lharoon 0:22612ae617a0 28
lharoon 0:22612ae617a0 29 void USBMIDI::write(MIDIMessage m) {
lharoon 0:22612ae617a0 30 USBDevice::write(EPBULK_IN, m.data, 4, MAX_PACKET_SIZE_EPBULK);
lharoon 0:22612ae617a0 31 }
lharoon 0:22612ae617a0 32
lharoon 0:22612ae617a0 33
lharoon 0:22612ae617a0 34 void USBMIDI::attach(void (*fptr)(MIDIMessage)) {
lharoon 0:22612ae617a0 35 midi_evt = fptr;
lharoon 0:22612ae617a0 36 }
lharoon 0:22612ae617a0 37
lharoon 0:22612ae617a0 38
lharoon 0:22612ae617a0 39 bool USBMIDI::EP2_OUT_callback() {
lharoon 0:22612ae617a0 40 uint8_t buf[64];
lharoon 0:22612ae617a0 41 uint16_t len;
lharoon 0:22612ae617a0 42 readEP(EPBULK_OUT, buf, &len, 64);
lharoon 0:22612ae617a0 43
lharoon 0:22612ae617a0 44 if (midi_evt != NULL) {
lharoon 0:22612ae617a0 45 for (int i=0; i<len; i+=4) {
lharoon 0:22612ae617a0 46 midi_evt(MIDIMessage(buf+i));
lharoon 0:22612ae617a0 47 }
lharoon 0:22612ae617a0 48 }
lharoon 0:22612ae617a0 49
lharoon 0:22612ae617a0 50 // We reactivate the endpoint to receive next characters
lharoon 0:22612ae617a0 51 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
lharoon 0:22612ae617a0 52 return true;
lharoon 0:22612ae617a0 53 }
lharoon 0:22612ae617a0 54
lharoon 0:22612ae617a0 55
lharoon 0:22612ae617a0 56
lharoon 0:22612ae617a0 57 // Called in ISR context
lharoon 0:22612ae617a0 58 // Set configuration. Return false if the
lharoon 0:22612ae617a0 59 // configuration is not supported.
lharoon 0:22612ae617a0 60 bool USBMIDI::USBCallback_setConfiguration(uint8_t configuration) {
lharoon 0:22612ae617a0 61 if (configuration != DEFAULT_CONFIGURATION) {
lharoon 0:22612ae617a0 62 return false;
lharoon 0:22612ae617a0 63 }
lharoon 0:22612ae617a0 64
lharoon 0:22612ae617a0 65 // Configure endpoints > 0
lharoon 0:22612ae617a0 66 addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);
lharoon 0:22612ae617a0 67 addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
lharoon 0:22612ae617a0 68
lharoon 0:22612ae617a0 69 // We activate the endpoint to be able to receive data
lharoon 0:22612ae617a0 70 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
lharoon 0:22612ae617a0 71 return true;
lharoon 0:22612ae617a0 72 }
lharoon 0:22612ae617a0 73
lharoon 0:22612ae617a0 74
lharoon 0:22612ae617a0 75 uint8_t * USBMIDI::stringIinterfaceDesc() {
lharoon 0:22612ae617a0 76 static uint8_t stringIinterfaceDescriptor[] = {
lharoon 0:22612ae617a0 77 0x0c, //bLength
lharoon 0:22612ae617a0 78 STRING_DESCRIPTOR, //bDescriptorType 0x03
lharoon 0:22612ae617a0 79 'A',0,'u',0,'d',0,'i',0,'o',0 //bString iInterface - Audio
lharoon 0:22612ae617a0 80 };
lharoon 0:22612ae617a0 81 return stringIinterfaceDescriptor;
lharoon 0:22612ae617a0 82 }
lharoon 0:22612ae617a0 83
lharoon 0:22612ae617a0 84 uint8_t * USBMIDI::stringIproductDesc() {
lharoon 0:22612ae617a0 85 static uint8_t stringIproductDescriptor[] = {
lharoon 0:22612ae617a0 86 0x16, //bLength
lharoon 0:22612ae617a0 87 STRING_DESCRIPTOR, //bDescriptorType 0x03
lharoon 0:22612ae617a0 88 'M',0,'b',0,'e',0,'d',0,' ',0,'A',0,'u',0,'d',0,'i',0,'o',0 //bString iProduct - Mbed Audio
lharoon 0:22612ae617a0 89 };
lharoon 0:22612ae617a0 90 return stringIproductDescriptor;
lharoon 0:22612ae617a0 91 }
lharoon 0:22612ae617a0 92
lharoon 0:22612ae617a0 93
lharoon 0:22612ae617a0 94 uint8_t * USBMIDI::configurationDesc() {
lharoon 0:22612ae617a0 95 static uint8_t configDescriptor[] = {
lharoon 0:22612ae617a0 96 // configuration descriptor
lharoon 0:22612ae617a0 97 0x09, 0x02, 0x65, 0x00, 0x02, 0x01, 0x00, 0xc0, 0x50,
lharoon 0:22612ae617a0 98
lharoon 0:22612ae617a0 99 // The Audio Interface Collection
lharoon 0:22612ae617a0 100 0x09, 0x04, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, // Standard AC Interface Descriptor
lharoon 0:22612ae617a0 101 0x09, 0x24, 0x01, 0x00, 0x01, 0x09, 0x00, 0x01, 0x01, // Class-specific AC Interface Descriptor
lharoon 0:22612ae617a0 102 0x09, 0x04, 0x01, 0x00, 0x02, 0x01, 0x03, 0x00, 0x00, // MIDIStreaming Interface Descriptors
lharoon 0:22612ae617a0 103 0x07, 0x24, 0x01, 0x00, 0x01, 0x41, 0x00, // Class-Specific MS Interface Header Descriptor
lharoon 0:22612ae617a0 104
lharoon 0:22612ae617a0 105 // MIDI IN JACKS
lharoon 0:22612ae617a0 106 0x06, 0x24, 0x02, 0x01, 0x01, 0x00,
lharoon 0:22612ae617a0 107 0x06, 0x24, 0x02, 0x02, 0x02, 0x00,
lharoon 0:22612ae617a0 108
lharoon 0:22612ae617a0 109 // MIDI OUT JACKS
lharoon 0:22612ae617a0 110 0x09, 0x24, 0x03, 0x01, 0x03, 0x01, 0x02, 0x01, 0x00,
lharoon 0:22612ae617a0 111 0x09, 0x24, 0x03, 0x02, 0x06, 0x01, 0x01, 0x01, 0x00,
lharoon 0:22612ae617a0 112
lharoon 0:22612ae617a0 113 // OUT endpoint descriptor
lharoon 0:22612ae617a0 114 0x09, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00,
lharoon 0:22612ae617a0 115 0x05, 0x25, 0x01, 0x01, 0x01,
lharoon 0:22612ae617a0 116
lharoon 0:22612ae617a0 117 // IN endpoint descriptor
lharoon 0:22612ae617a0 118 0x09, 0x05, 0x82, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00,
lharoon 0:22612ae617a0 119 0x05, 0x25, 0x01, 0x01, 0x03,
lharoon 0:22612ae617a0 120 };
lharoon 0:22612ae617a0 121 return configDescriptor;
lharoon 0:22612ae617a0 122 }