Diff: Drivers/USBDevice/USBMIDI/USBMIDI.cpp

Revision:

1:f875283d1530

Parent:

0:ac4dea3e2894

Child:

2:d88f88b90c8e

--- a/Drivers/USBDevice/USBMIDI/USBMIDI.cpp	Mon Mar 18 10:21:53 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,207 +0,0 @@
-/* Copyright (c) 2010-2011 mbed.org, MIT License
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
-* and associated documentation files (the "Software"), to deal in the Software without
-* restriction, including without limitation the rights to use, copy, modify, merge, publish,
-* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
-* Software is furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included in all copies or
-* substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
-* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include "stdint.h"
-#include "USBMIDI.h"
-
-
-USBMIDI::USBMIDI(uint16_t vendor_id, uint16_t product_id, uint16_t product_release)
- : USBDevice(vendor_id, product_id, product_release), cur_data(0), data_end(true)
-{
-    midi_evt = NULL;
-    USBDevice::connect();
-}
-
-// write plain MIDIMessage that will be converted to USBMidi event packet
-void USBMIDI::write(MIDIMessage m) {
-    // first byte keeped for retro-compatibility
-    for(int p=1; p < m.length; p+=3) {
-        uint8_t buf[4];
-        // Midi message to USBMidi event packet
-        buf[0]=m.data[1] >> 4;
-        // SysEx
-        if(buf[0] == 0xF) {
-            if((m.length - p) > 3) {
-                // SysEx start or continue
-                buf[0]=0x4;
-            } else {
-                switch(m.length - p) {
-                    case 1:
-                        // SysEx end with one byte
-                        buf[0]=0x5;
-                        break;
-                    case 2:
-                        // SysEx end with two bytes
-                        buf[0]=0x6;
-                        break;
-                    case 3:
-                        // SysEx end with three bytes
-                        buf[0]=0x7;
-                        break;
-                }
-            }
-        }
-        buf[1]=m.data[p];
-
-        if(p+1 < m.length)
-            buf[2]=m.data[p+1];
-        else
-            buf[2]=0;
-
-        if(p+2 < m.length)
-            buf[3]=m.data[p+2];
-        else
-            buf[3]=0;
-
-        USBDevice::write(EPBULK_IN, buf, 4, MAX_PACKET_SIZE_EPBULK);
-    }
-}
-
-
-void USBMIDI::attach(void (*fptr)(MIDIMessage)) {
-    midi_evt = fptr;
-}
-
-bool USBMIDI::EPBULK_OUT_callback() {
-    uint8_t buf[64];
-    uint32_t len;
-    readEP(EPBULK_OUT, buf, &len, 64);
-
-    if (midi_evt != NULL) {
-        for (uint32_t i=0; i<len; i+=4) {   
-            uint8_t data_read;
-            data_end=true;
-            switch(buf[i]) {
-            case 0x2:
-                // Two-bytes System Common Message - undefined in USBMidi 1.0
-                data_read=2;
-                break;
-            case 0x4:
-                // SysEx start or continue
-                data_end=false;
-                data_read=3;
-                break;
-            case 0x5:
-                 // Single-byte System Common Message or SysEx end with one byte
-                data_read=1;
-                break;
-            case 0x6:
-                // SysEx end with two bytes
-                data_read=2;
-                break;
-            case 0xC:
-                // Program change
-                data_read=2;
-                break;
-            case 0xD:
-                // Channel pressure
-                data_read=2;
-                break;      
-            case 0xF:
-                // Single byte
-                data_read=1;
-                break;    
-            default:
-                // Others three-bytes messages
-                data_read=3;
-                break;      
-            } 
-        
-            for(uint8_t j=1;j<data_read+1;j++) {
-                data[cur_data]=buf[i+j];
-                cur_data++;
-            }
-        
-            if(data_end) {
-                 midi_evt(MIDIMessage(data,cur_data));
-                 cur_data=0;            
-            }
-       }
-    }
-
-    // We reactivate the endpoint to receive next characters
-    readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
-    return true;
-}
-
-// Called in ISR context
-// Set configuration. Return false if the
-// configuration is not supported.
-bool USBMIDI::USBCallback_setConfiguration(uint8_t configuration) {
-    if (configuration != DEFAULT_CONFIGURATION) {
-        return false;
-    }
-
-    // Configure endpoints > 0
-    addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);
-    addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
-
-    // We activate the endpoint to be able to receive data
-    readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
-    return true;
-}
-
-
-uint8_t * USBMIDI::stringIinterfaceDesc() {
-    static uint8_t stringIinterfaceDescriptor[] = {
-        0x0c,                           //bLength
-        STRING_DESCRIPTOR,              //bDescriptorType 0x03
-        'A',0,'u',0,'d',0,'i',0,'o',0   //bString iInterface - Audio
-    };
-    return stringIinterfaceDescriptor;
-}
-
-uint8_t * USBMIDI::stringIproductDesc() {
-    static uint8_t stringIproductDescriptor[] = {
-        0x16,                                                       //bLength
-        STRING_DESCRIPTOR,                                          //bDescriptorType 0x03
-        'M',0,'b',0,'e',0,'d',0,' ',0,'A',0,'u',0,'d',0,'i',0,'o',0 //bString iProduct - Mbed Audio
-    };
-    return stringIproductDescriptor;
-}
-
-
-uint8_t * USBMIDI::configurationDesc() {
-    static uint8_t configDescriptor[] = {
-        // configuration descriptor
-        0x09, 0x02, 0x65, 0x00, 0x02, 0x01, 0x00, 0xc0, 0x50,
-
-        // The Audio Interface Collection
-        0x09, 0x04, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, // Standard AC Interface Descriptor
-        0x09, 0x24, 0x01, 0x00, 0x01, 0x09, 0x00, 0x01, 0x01, // Class-specific AC Interface Descriptor
-        0x09, 0x04, 0x01, 0x00, 0x02, 0x01, 0x03, 0x00, 0x00, // MIDIStreaming Interface Descriptors
-        0x07, 0x24, 0x01, 0x00, 0x01, 0x41, 0x00,             // Class-Specific MS Interface Header Descriptor
-
-        // MIDI IN JACKS
-        0x06, 0x24, 0x02, 0x01, 0x01, 0x00,
-        0x06, 0x24, 0x02, 0x02, 0x02, 0x00,
-
-        // MIDI OUT JACKS
-        0x09, 0x24, 0x03, 0x01, 0x03, 0x01, 0x02, 0x01, 0x00,
-        0x09, 0x24, 0x03, 0x02, 0x06, 0x01, 0x01, 0x01, 0x00,
-
-        // OUT endpoint descriptor
-        0x09, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00,
-        0x05, 0x25, 0x01, 0x01, 0x01,
-
-        // IN endpoint descriptor
-        0x09, 0x05, 0x82, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00,
-        0x05, 0x25, 0x01, 0x01, 0x03,
-    };
-    return configDescriptor;
-}