Update for new version of mbed.
Fork of USBDevice_STM32F103 by
USBMIDI/USBMIDI.cpp@48:03f8e580579a, 2015-04-16 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Apr 16 11:00:20 2015 +0100
- Revision:
- 48:03f8e580579a
- Parent:
- 47:a0cd9646ecd1
- Child:
- 50:a3c50882f2c5
Synchronized with git revision 1b9e8d686fd7448739e56182eb1f7cc0634667b5
Full URL: https://github.com/mbedmicro/mbed/commit/1b9e8d686fd7448739e56182eb1f7cc0634667b5/
Add SysEx to USBMIDI device
Who changed what in which revision?
User | Revision | Line number | New 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 "USBMIDI.h" |
samux | 1:80ab0d068708 | 21 | |
samux | 1:80ab0d068708 | 22 | |
samux | 1:80ab0d068708 | 23 | USBMIDI::USBMIDI(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { |
samux | 1:80ab0d068708 | 24 | midi_evt = NULL; |
samux | 1:80ab0d068708 | 25 | USBDevice::connect(); |
samux | 1:80ab0d068708 | 26 | } |
samux | 1:80ab0d068708 | 27 | |
mbed_official | 48:03f8e580579a | 28 | // write plain MIDIMessage that will be converted to USBMidi event packet |
samux | 1:80ab0d068708 | 29 | void USBMIDI::write(MIDIMessage m) { |
mbed_official | 48:03f8e580579a | 30 | // first byte keeped for retro-compatibility |
mbed_official | 48:03f8e580579a | 31 | for(int p=1; p < m.length; p+=3) { |
mbed_official | 48:03f8e580579a | 32 | uint8_t buf[4]; |
mbed_official | 48:03f8e580579a | 33 | // Midi message to USBMidi event packet |
mbed_official | 48:03f8e580579a | 34 | buf[0]=m.data[1] >> 4; |
mbed_official | 48:03f8e580579a | 35 | // SysEx |
mbed_official | 48:03f8e580579a | 36 | if(buf[0] == 0xF) { |
mbed_official | 48:03f8e580579a | 37 | if((m.length - p) > 3) { |
mbed_official | 48:03f8e580579a | 38 | // SysEx start or continue |
mbed_official | 48:03f8e580579a | 39 | buf[0]=0x4; |
mbed_official | 48:03f8e580579a | 40 | } else { |
mbed_official | 48:03f8e580579a | 41 | switch(m.length - p) { |
mbed_official | 48:03f8e580579a | 42 | case 1: |
mbed_official | 48:03f8e580579a | 43 | // SysEx end with one byte |
mbed_official | 48:03f8e580579a | 44 | buf[0]=0x5; |
mbed_official | 48:03f8e580579a | 45 | break; |
mbed_official | 48:03f8e580579a | 46 | case 2: |
mbed_official | 48:03f8e580579a | 47 | // SysEx end with two bytes |
mbed_official | 48:03f8e580579a | 48 | buf[0]=0x6; |
mbed_official | 48:03f8e580579a | 49 | break; |
mbed_official | 48:03f8e580579a | 50 | case 3: |
mbed_official | 48:03f8e580579a | 51 | // SysEx end with three bytes |
mbed_official | 48:03f8e580579a | 52 | buf[0]=0x7; |
mbed_official | 48:03f8e580579a | 53 | break; |
mbed_official | 48:03f8e580579a | 54 | } |
mbed_official | 48:03f8e580579a | 55 | } |
mbed_official | 48:03f8e580579a | 56 | } |
mbed_official | 48:03f8e580579a | 57 | buf[1]=m.data[p]; |
mbed_official | 48:03f8e580579a | 58 | |
mbed_official | 48:03f8e580579a | 59 | if(p+1 < m.length) |
mbed_official | 48:03f8e580579a | 60 | buf[2]=m.data[p+1]; |
mbed_official | 48:03f8e580579a | 61 | else |
mbed_official | 48:03f8e580579a | 62 | buf[2]=0; |
mbed_official | 48:03f8e580579a | 63 | |
mbed_official | 48:03f8e580579a | 64 | if(p+2 < m.length) |
mbed_official | 48:03f8e580579a | 65 | buf[3]=m.data[p+2]; |
mbed_official | 48:03f8e580579a | 66 | else |
mbed_official | 48:03f8e580579a | 67 | buf[3]=0; |
mbed_official | 48:03f8e580579a | 68 | |
mbed_official | 48:03f8e580579a | 69 | USBDevice::write(EPBULK_IN, buf, 4, MAX_PACKET_SIZE_EPBULK); |
mbed_official | 48:03f8e580579a | 70 | } |
samux | 1:80ab0d068708 | 71 | } |
samux | 1:80ab0d068708 | 72 | |
samux | 1:80ab0d068708 | 73 | |
samux | 1:80ab0d068708 | 74 | void USBMIDI::attach(void (*fptr)(MIDIMessage)) { |
samux | 1:80ab0d068708 | 75 | midi_evt = fptr; |
samux | 1:80ab0d068708 | 76 | } |
samux | 1:80ab0d068708 | 77 | |
mbed_official | 47:a0cd9646ecd1 | 78 | bool USBMIDI::EPBULK_OUT_callback() { |
samux | 1:80ab0d068708 | 79 | uint8_t buf[64]; |
samux | 1:80ab0d068708 | 80 | uint32_t len; |
samux | 1:80ab0d068708 | 81 | readEP(EPBULK_OUT, buf, &len, 64); |
samux | 1:80ab0d068708 | 82 | |
samux | 1:80ab0d068708 | 83 | if (midi_evt != NULL) { |
mbed_official | 48:03f8e580579a | 84 | for (uint32_t i=0; i<len; i+=4) { |
mbed_official | 48:03f8e580579a | 85 | uint8_t data_read; |
mbed_official | 48:03f8e580579a | 86 | data_end=true; |
mbed_official | 48:03f8e580579a | 87 | switch(buf[i]) { |
mbed_official | 48:03f8e580579a | 88 | case 0x2: |
mbed_official | 48:03f8e580579a | 89 | // Two-bytes System Common Message - undefined in USBMidi 1.0 |
mbed_official | 48:03f8e580579a | 90 | data_read=2; |
mbed_official | 48:03f8e580579a | 91 | break; |
mbed_official | 48:03f8e580579a | 92 | case 0x4: |
mbed_official | 48:03f8e580579a | 93 | // SysEx start or continue |
mbed_official | 48:03f8e580579a | 94 | data_end=false; |
mbed_official | 48:03f8e580579a | 95 | data_read=3; |
mbed_official | 48:03f8e580579a | 96 | break; |
mbed_official | 48:03f8e580579a | 97 | case 0x5: |
mbed_official | 48:03f8e580579a | 98 | // Single-byte System Common Message or SysEx end with one byte |
mbed_official | 48:03f8e580579a | 99 | data_read=1; |
mbed_official | 48:03f8e580579a | 100 | break; |
mbed_official | 48:03f8e580579a | 101 | case 0x6: |
mbed_official | 48:03f8e580579a | 102 | // SysEx end with two bytes |
mbed_official | 48:03f8e580579a | 103 | data_read=2; |
mbed_official | 48:03f8e580579a | 104 | break; |
mbed_official | 48:03f8e580579a | 105 | case 0xC: |
mbed_official | 48:03f8e580579a | 106 | // Program change |
mbed_official | 48:03f8e580579a | 107 | data_read=2; |
mbed_official | 48:03f8e580579a | 108 | break; |
mbed_official | 48:03f8e580579a | 109 | case 0xD: |
mbed_official | 48:03f8e580579a | 110 | // Channel pressure |
mbed_official | 48:03f8e580579a | 111 | data_read=2; |
mbed_official | 48:03f8e580579a | 112 | break; |
mbed_official | 48:03f8e580579a | 113 | case 0xF: |
mbed_official | 48:03f8e580579a | 114 | // Single byte |
mbed_official | 48:03f8e580579a | 115 | data_read=1; |
mbed_official | 48:03f8e580579a | 116 | break; |
mbed_official | 48:03f8e580579a | 117 | default: |
mbed_official | 48:03f8e580579a | 118 | // Others three-bytes messages |
mbed_official | 48:03f8e580579a | 119 | data_read=3; |
mbed_official | 48:03f8e580579a | 120 | break; |
mbed_official | 48:03f8e580579a | 121 | } |
mbed_official | 48:03f8e580579a | 122 | |
mbed_official | 48:03f8e580579a | 123 | for(uint8_t j=1;j<data_read+1;j++) { |
mbed_official | 48:03f8e580579a | 124 | data[cur_data]=buf[i+j]; |
mbed_official | 48:03f8e580579a | 125 | cur_data++; |
mbed_official | 48:03f8e580579a | 126 | } |
mbed_official | 48:03f8e580579a | 127 | |
mbed_official | 48:03f8e580579a | 128 | if(data_end) { |
mbed_official | 48:03f8e580579a | 129 | midi_evt(MIDIMessage(data,cur_data)); |
mbed_official | 48:03f8e580579a | 130 | cur_data=0; |
mbed_official | 48:03f8e580579a | 131 | } |
mbed_official | 48:03f8e580579a | 132 | } |
samux | 1:80ab0d068708 | 133 | } |
samux | 1:80ab0d068708 | 134 | |
samux | 1:80ab0d068708 | 135 | // We reactivate the endpoint to receive next characters |
samux | 1:80ab0d068708 | 136 | readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
samux | 1:80ab0d068708 | 137 | return true; |
samux | 1:80ab0d068708 | 138 | } |
samux | 1:80ab0d068708 | 139 | |
samux | 1:80ab0d068708 | 140 | // Called in ISR context |
samux | 1:80ab0d068708 | 141 | // Set configuration. Return false if the |
samux | 1:80ab0d068708 | 142 | // configuration is not supported. |
samux | 1:80ab0d068708 | 143 | bool USBMIDI::USBCallback_setConfiguration(uint8_t configuration) { |
samux | 1:80ab0d068708 | 144 | if (configuration != DEFAULT_CONFIGURATION) { |
samux | 1:80ab0d068708 | 145 | return false; |
samux | 1:80ab0d068708 | 146 | } |
samux | 1:80ab0d068708 | 147 | |
samux | 1:80ab0d068708 | 148 | // Configure endpoints > 0 |
samux | 1:80ab0d068708 | 149 | addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); |
samux | 1:80ab0d068708 | 150 | addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
samux | 1:80ab0d068708 | 151 | |
samux | 1:80ab0d068708 | 152 | // We activate the endpoint to be able to receive data |
samux | 1:80ab0d068708 | 153 | readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
samux | 1:80ab0d068708 | 154 | return true; |
samux | 1:80ab0d068708 | 155 | } |
samux | 1:80ab0d068708 | 156 | |
samux | 1:80ab0d068708 | 157 | |
samux | 1:80ab0d068708 | 158 | uint8_t * USBMIDI::stringIinterfaceDesc() { |
samux | 1:80ab0d068708 | 159 | static uint8_t stringIinterfaceDescriptor[] = { |
samux | 1:80ab0d068708 | 160 | 0x0c, //bLength |
samux | 1:80ab0d068708 | 161 | STRING_DESCRIPTOR, //bDescriptorType 0x03 |
samux | 1:80ab0d068708 | 162 | 'A',0,'u',0,'d',0,'i',0,'o',0 //bString iInterface - Audio |
samux | 1:80ab0d068708 | 163 | }; |
samux | 1:80ab0d068708 | 164 | return stringIinterfaceDescriptor; |
samux | 1:80ab0d068708 | 165 | } |
samux | 1:80ab0d068708 | 166 | |
samux | 1:80ab0d068708 | 167 | uint8_t * USBMIDI::stringIproductDesc() { |
samux | 1:80ab0d068708 | 168 | static uint8_t stringIproductDescriptor[] = { |
samux | 1:80ab0d068708 | 169 | 0x16, //bLength |
samux | 1:80ab0d068708 | 170 | STRING_DESCRIPTOR, //bDescriptorType 0x03 |
samux | 1:80ab0d068708 | 171 | 'M',0,'b',0,'e',0,'d',0,' ',0,'A',0,'u',0,'d',0,'i',0,'o',0 //bString iProduct - Mbed Audio |
samux | 1:80ab0d068708 | 172 | }; |
samux | 1:80ab0d068708 | 173 | return stringIproductDescriptor; |
samux | 1:80ab0d068708 | 174 | } |
samux | 1:80ab0d068708 | 175 | |
samux | 1:80ab0d068708 | 176 | |
samux | 1:80ab0d068708 | 177 | uint8_t * USBMIDI::configurationDesc() { |
samux | 1:80ab0d068708 | 178 | static uint8_t configDescriptor[] = { |
samux | 1:80ab0d068708 | 179 | // configuration descriptor |
samux | 1:80ab0d068708 | 180 | 0x09, 0x02, 0x65, 0x00, 0x02, 0x01, 0x00, 0xc0, 0x50, |
samux | 1:80ab0d068708 | 181 | |
samux | 1:80ab0d068708 | 182 | // The Audio Interface Collection |
samux | 1:80ab0d068708 | 183 | 0x09, 0x04, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, // Standard AC Interface Descriptor |
samux | 1:80ab0d068708 | 184 | 0x09, 0x24, 0x01, 0x00, 0x01, 0x09, 0x00, 0x01, 0x01, // Class-specific AC Interface Descriptor |
samux | 1:80ab0d068708 | 185 | 0x09, 0x04, 0x01, 0x00, 0x02, 0x01, 0x03, 0x00, 0x00, // MIDIStreaming Interface Descriptors |
samux | 1:80ab0d068708 | 186 | 0x07, 0x24, 0x01, 0x00, 0x01, 0x41, 0x00, // Class-Specific MS Interface Header Descriptor |
samux | 1:80ab0d068708 | 187 | |
samux | 1:80ab0d068708 | 188 | // MIDI IN JACKS |
samux | 1:80ab0d068708 | 189 | 0x06, 0x24, 0x02, 0x01, 0x01, 0x00, |
samux | 1:80ab0d068708 | 190 | 0x06, 0x24, 0x02, 0x02, 0x02, 0x00, |
samux | 1:80ab0d068708 | 191 | |
samux | 1:80ab0d068708 | 192 | // MIDI OUT JACKS |
samux | 1:80ab0d068708 | 193 | 0x09, 0x24, 0x03, 0x01, 0x03, 0x01, 0x02, 0x01, 0x00, |
samux | 1:80ab0d068708 | 194 | 0x09, 0x24, 0x03, 0x02, 0x06, 0x01, 0x01, 0x01, 0x00, |
samux | 1:80ab0d068708 | 195 | |
samux | 1:80ab0d068708 | 196 | // OUT endpoint descriptor |
samux | 1:80ab0d068708 | 197 | 0x09, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, |
samux | 1:80ab0d068708 | 198 | 0x05, 0x25, 0x01, 0x01, 0x01, |
samux | 1:80ab0d068708 | 199 | |
samux | 1:80ab0d068708 | 200 | // IN endpoint descriptor |
samux | 1:80ab0d068708 | 201 | 0x09, 0x05, 0x82, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, |
samux | 1:80ab0d068708 | 202 | 0x05, 0x25, 0x01, 0x01, 0x03, |
samux | 1:80ab0d068708 | 203 | }; |
samux | 1:80ab0d068708 | 204 | return configDescriptor; |
samux | 1:80ab0d068708 | 205 | } |