tool/mbed/mbed-sdk/libraries/tests/usb/device/midi/main.cpp

   1 #include "mbed.h"
   2 #include "USBMIDI.h"
   3
   4 USBMIDI midi;
   5 Serial pc(USBTX, USBRX);
   6
   7 // MIDI IN
   8 void transmitMessage(MIDIMessage msg) {
   9         switch (msg.type()) {
  10         case MIDIMessage::NoteOnType:
  11                 wait(0.1);
  12                         midi.write(MIDIMessage::NoteOn(msg.key()));
  13             break;
  14         case MIDIMessage::NoteOffType:
  15                 wait(0.1);
  16                         midi.write(MIDIMessage::NoteOff(msg.key()));
  17             break;
  18         case MIDIMessage::ProgramChangeType:
  19                 wait(0.1);
  20                 midi.write(MIDIMessage::ProgramChange(msg.program()));
  21             break;
  22         case MIDIMessage::SysExType:
  23                 wait(0.1);
  24                 unsigned char tmp[64];
  25             for(int i=0;i<msg.length-1;i++) {
  26                     tmp[i]=msg.data[i+1];
  27             }
  28             midi.write(MIDIMessage::SysEx(tmp,msg.length-1));
  29             break;
  30         default:
  31             break;
  32     }
  33 }
  34
  35 int main(void)
  36 {
  37         wait(5);
  38         // MIDI OUT
  39
  40         // set piano
  41         midi.write(MIDIMessage::ProgramChange(1));
  42         wait(0.1);
  43
  44         // play A
  45         midi.write(MIDIMessage::NoteOn(21));
  46         wait(0.1);
  47         midi.write(MIDIMessage::NoteOff(21));
  48         wait(0.1);
  49
  50         // GM reset
  51         unsigned char gm_reset[]={0xF0,0x7E,0x7F,0x09,0x01,0xF7};
  52         midi.write(MIDIMessage::SysEx(gm_reset,6));
  53         wait(0.1);
  54
  55         // GM Master volume max
  56         unsigned char gm_master_vol_max[]={0xF0,0x7F,0x7F,0x04,0x01,0x7F,0x7F,0xF7};
  57         midi.write(MIDIMessage::SysEx(gm_master_vol_max,8));
  58         wait(0.1);
  59
  60         // GS reset
  61         unsigned char gs_reset[]={0xF0,0x41,0x10,0x42,0x12,0x40,0x00,0x7F,0x00,0x41,0xF7};
  62         midi.write(MIDIMessage::SysEx(gs_reset,11));
  63         wait(0.1);
  64
  65         // GS Master volume max
  66         unsigned char gs_master_vol_max[]={0xF0,0x41,0x10,0x42,0x12,0x40,0x00,0x04,0x7F,0x3D,0xF7};
  67         midi.write(MIDIMessage::SysEx(gs_master_vol_max,11));
  68         wait(0.1);
  69
  70         midi.attach(transmitMessage);
  71
  72     while(1);
  73 }