Angel David Yaguana Hernandez / USBDevice2

library

Dependents:   USB_CDC_MSD_Hello

USBMIDI/USBMIDI.cpp@0:d5bb9a9c3e24, 2012-08-24 (annotated)

Committer:
sherckuith
Date:
Fri Aug 24 02:01:51 2012 +0000
Revision:
0:d5bb9a9c3e24
[mbed] converted /USB_CDC_MSD_Hello/USBDevice

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sherckuith 0:d5bb9a9c3e24 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
sherckuith 0:d5bb9a9c3e24 2 *
sherckuith 0:d5bb9a9c3e24 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
sherckuith 0:d5bb9a9c3e24 4 * and associated documentation files (the "Software"), to deal in the Software without
sherckuith 0:d5bb9a9c3e24 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
sherckuith 0:d5bb9a9c3e24 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
sherckuith 0:d5bb9a9c3e24 7 * Software is furnished to do so, subject to the following conditions:
sherckuith 0:d5bb9a9c3e24 8 *
sherckuith 0:d5bb9a9c3e24 9 * The above copyright notice and this permission notice shall be included in all copies or
sherckuith 0:d5bb9a9c3e24 10 * substantial portions of the Software.
sherckuith 0:d5bb9a9c3e24 11 *
sherckuith 0:d5bb9a9c3e24 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
sherckuith 0:d5bb9a9c3e24 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
sherckuith 0:d5bb9a9c3e24 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
sherckuith 0:d5bb9a9c3e24 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
sherckuith 0:d5bb9a9c3e24 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
sherckuith 0:d5bb9a9c3e24 17 */
sherckuith 0:d5bb9a9c3e24 18
sherckuith 0:d5bb9a9c3e24 19 #include "stdint.h"
sherckuith 0:d5bb9a9c3e24 20 #include "USBMIDI.h"
sherckuith 0:d5bb9a9c3e24 21 #include "USBBusInterface.h"
sherckuith 0:d5bb9a9c3e24 22
sherckuith 0:d5bb9a9c3e24 23
sherckuith 0:d5bb9a9c3e24 24 USBMIDI::USBMIDI(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) {
sherckuith 0:d5bb9a9c3e24 25 midi_evt = NULL;
sherckuith 0:d5bb9a9c3e24 26 USBDevice::connect();
sherckuith 0:d5bb9a9c3e24 27 }
sherckuith 0:d5bb9a9c3e24 28
sherckuith 0:d5bb9a9c3e24 29 void USBMIDI::write(MIDIMessage m) {
sherckuith 0:d5bb9a9c3e24 30 USBDevice::write(EPBULK_IN, m.data, 4, MAX_PACKET_SIZE_EPBULK);
sherckuith 0:d5bb9a9c3e24 31 }
sherckuith 0:d5bb9a9c3e24 32
sherckuith 0:d5bb9a9c3e24 33
sherckuith 0:d5bb9a9c3e24 34 void USBMIDI::attach(void (*fptr)(MIDIMessage)) {
sherckuith 0:d5bb9a9c3e24 35 midi_evt = fptr;
sherckuith 0:d5bb9a9c3e24 36 }
sherckuith 0:d5bb9a9c3e24 37
sherckuith 0:d5bb9a9c3e24 38
sherckuith 0:d5bb9a9c3e24 39 bool USBMIDI::EP2_OUT_callback() {
sherckuith 0:d5bb9a9c3e24 40 uint8_t buf[64];
sherckuith 0:d5bb9a9c3e24 41 uint16_t len;
sherckuith 0:d5bb9a9c3e24 42 readEP(EPBULK_OUT, buf, &len, 64);
sherckuith 0:d5bb9a9c3e24 43
sherckuith 0:d5bb9a9c3e24 44 if (midi_evt != NULL) {
sherckuith 0:d5bb9a9c3e24 45 for (int i=0; i<len; i+=4) {
sherckuith 0:d5bb9a9c3e24 46 midi_evt(MIDIMessage(buf+i));
sherckuith 0:d5bb9a9c3e24 47 }
sherckuith 0:d5bb9a9c3e24 48 }
sherckuith 0:d5bb9a9c3e24 49
sherckuith 0:d5bb9a9c3e24 50 // We reactivate the endpoint to receive next characters
sherckuith 0:d5bb9a9c3e24 51 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
sherckuith 0:d5bb9a9c3e24 52 return true;
sherckuith 0:d5bb9a9c3e24 53 }
sherckuith 0:d5bb9a9c3e24 54
sherckuith 0:d5bb9a9c3e24 55
sherckuith 0:d5bb9a9c3e24 56
sherckuith 0:d5bb9a9c3e24 57 // Called in ISR context
sherckuith 0:d5bb9a9c3e24 58 // Set configuration. Return false if the
sherckuith 0:d5bb9a9c3e24 59 // configuration is not supported.
sherckuith 0:d5bb9a9c3e24 60 bool USBMIDI::USBCallback_setConfiguration(uint8_t configuration) {
sherckuith 0:d5bb9a9c3e24 61 if (configuration != DEFAULT_CONFIGURATION) {
sherckuith 0:d5bb9a9c3e24 62 return false;
sherckuith 0:d5bb9a9c3e24 63 }
sherckuith 0:d5bb9a9c3e24 64
sherckuith 0:d5bb9a9c3e24 65 // Configure endpoints > 0
sherckuith 0:d5bb9a9c3e24 66 addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);
sherckuith 0:d5bb9a9c3e24 67 addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
sherckuith 0:d5bb9a9c3e24 68
sherckuith 0:d5bb9a9c3e24 69 // We activate the endpoint to be able to receive data
sherckuith 0:d5bb9a9c3e24 70 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
sherckuith 0:d5bb9a9c3e24 71 return true;
sherckuith 0:d5bb9a9c3e24 72 }
sherckuith 0:d5bb9a9c3e24 73
sherckuith 0:d5bb9a9c3e24 74
sherckuith 0:d5bb9a9c3e24 75 uint8_t * USBMIDI::stringIinterfaceDesc() {
sherckuith 0:d5bb9a9c3e24 76 static uint8_t stringIinterfaceDescriptor[] = {
sherckuith 0:d5bb9a9c3e24 77 0x0c, //bLength
sherckuith 0:d5bb9a9c3e24 78 STRING_DESCRIPTOR, //bDescriptorType 0x03
sherckuith 0:d5bb9a9c3e24 79 'A',0,'u',0,'d',0,'i',0,'o',0 //bString iInterface - Audio
sherckuith 0:d5bb9a9c3e24 80 };
sherckuith 0:d5bb9a9c3e24 81 return stringIinterfaceDescriptor;
sherckuith 0:d5bb9a9c3e24 82 }
sherckuith 0:d5bb9a9c3e24 83
sherckuith 0:d5bb9a9c3e24 84 uint8_t * USBMIDI::stringIproductDesc() {
sherckuith 0:d5bb9a9c3e24 85 static uint8_t stringIproductDescriptor[] = {
sherckuith 0:d5bb9a9c3e24 86 0x16, //bLength
sherckuith 0:d5bb9a9c3e24 87 STRING_DESCRIPTOR, //bDescriptorType 0x03
sherckuith 0:d5bb9a9c3e24 88 'M',0,'b',0,'e',0,'d',0,' ',0,'A',0,'u',0,'d',0,'i',0,'o',0 //bString iProduct - Mbed Audio
sherckuith 0:d5bb9a9c3e24 89 };
sherckuith 0:d5bb9a9c3e24 90 return stringIproductDescriptor;
sherckuith 0:d5bb9a9c3e24 91 }
sherckuith 0:d5bb9a9c3e24 92
sherckuith 0:d5bb9a9c3e24 93
sherckuith 0:d5bb9a9c3e24 94 uint8_t * USBMIDI::configurationDesc() {
sherckuith 0:d5bb9a9c3e24 95 static uint8_t configDescriptor[] = {
sherckuith 0:d5bb9a9c3e24 96 // configuration descriptor
sherckuith 0:d5bb9a9c3e24 97 0x09, 0x02, 0x65, 0x00, 0x02, 0x01, 0x00, 0xc0, 0x50,
sherckuith 0:d5bb9a9c3e24 98
sherckuith 0:d5bb9a9c3e24 99 // The Audio Interface Collection
sherckuith 0:d5bb9a9c3e24 100 0x09, 0x04, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, // Standard AC Interface Descriptor
sherckuith 0:d5bb9a9c3e24 101 0x09, 0x24, 0x01, 0x00, 0x01, 0x09, 0x00, 0x01, 0x01, // Class-specific AC Interface Descriptor
sherckuith 0:d5bb9a9c3e24 102 0x09, 0x04, 0x01, 0x00, 0x02, 0x01, 0x03, 0x00, 0x00, // MIDIStreaming Interface Descriptors
sherckuith 0:d5bb9a9c3e24 103 0x07, 0x24, 0x01, 0x00, 0x01, 0x41, 0x00, // Class-Specific MS Interface Header Descriptor
sherckuith 0:d5bb9a9c3e24 104
sherckuith 0:d5bb9a9c3e24 105 // MIDI IN JACKS
sherckuith 0:d5bb9a9c3e24 106 0x06, 0x24, 0x02, 0x01, 0x01, 0x00,
sherckuith 0:d5bb9a9c3e24 107 0x06, 0x24, 0x02, 0x02, 0x02, 0x00,
sherckuith 0:d5bb9a9c3e24 108
sherckuith 0:d5bb9a9c3e24 109 // MIDI OUT JACKS
sherckuith 0:d5bb9a9c3e24 110 0x09, 0x24, 0x03, 0x01, 0x03, 0x01, 0x02, 0x01, 0x00,
sherckuith 0:d5bb9a9c3e24 111 0x09, 0x24, 0x03, 0x02, 0x06, 0x01, 0x01, 0x01, 0x00,
sherckuith 0:d5bb9a9c3e24 112
sherckuith 0:d5bb9a9c3e24 113 // OUT endpoint descriptor
sherckuith 0:d5bb9a9c3e24 114 0x09, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00,
sherckuith 0:d5bb9a9c3e24 115 0x05, 0x25, 0x01, 0x01, 0x01,
sherckuith 0:d5bb9a9c3e24 116
sherckuith 0:d5bb9a9c3e24 117 // IN endpoint descriptor
sherckuith 0:d5bb9a9c3e24 118 0x09, 0x05, 0x82, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00,
sherckuith 0:d5bb9a9c3e24 119 0x05, 0x25, 0x01, 0x01, 0x03,
sherckuith 0:d5bb9a9c3e24 120 };
sherckuith 0:d5bb9a9c3e24 121 return configDescriptor;
sherckuith 0:d5bb9a9c3e24 122 }