Quick hack to make NSX-39 (Poke-Miku) USB MIDI device to speak "mbed" from mbed which acts as an USB host.

Dependencies:   FatFileSystem mbed

Fork of MIDI_BlueUSB by Radio Junk Box

Description of the project

This is quick hack to control Poke-miku (NSX-39) from mbed. The mbed acts as an USB host and controls USB MIDI device NSX-39. It speaks "mbed" if you send "s¥n" from virtual USB serial (connected to PC or Mac) or push SW connected to p21. It plays MIDI file "test.mid" on local file-system if you push SW connected to p22. You can find files that I have tested at the bottom. The standard MIDI file support is still preliminary. See TestShell.cpp for the hack. This program is derived from MIDI_BlueUSB (http://mbed.org/users/radiojunkbox/code/MIDI_BlueUSB/) by Radio Junk Box.

ポケミク(NSX-39)を無改造のままmbedから鳴らせるようにしてみました。mbedがUSB hostになって、USB MIDIデバイスのポケミクを鳴らします。mbedのバーチャルシリアル(USBシリアル)にPCからs\nを送るか、p21につないだスイッチを押すとmbedとしゃべります。p22につないだスイッチを押すと、ローカルファイルシステム(.binと同じ場所)に保存した test.mid を再生します。試したファイルは下にある test1.mid と test2.mid です。MIDIファイルのサポートはまだまだ完全とはいえません。

tested MIDI files

Video: Poke-miku speaks `mbed'

Committer:
non
Date:
Tue Apr 29 06:01:52 2014 +0000
Revision:
4:cd0d8ce967d8
Parent:
3:31fbce33c25b
Fix issues when it plays a MIDI file which has multi tracks.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
radiojunkbox 0:79620c558b0c 1 /*
radiojunkbox 0:79620c558b0c 2 Copyright (c) 2010 Peter Barrett
radiojunkbox 0:79620c558b0c 3
radiojunkbox 0:79620c558b0c 4 Permission is hereby granted, free of charge, to any person obtaining a copy
radiojunkbox 0:79620c558b0c 5 of this software and associated documentation files (the "Software"), to deal
radiojunkbox 0:79620c558b0c 6 in the Software without restriction, including without limitation the rights
radiojunkbox 0:79620c558b0c 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
radiojunkbox 0:79620c558b0c 8 copies of the Software, and to permit persons to whom the Software is
radiojunkbox 0:79620c558b0c 9 furnished to do so, subject to the following conditions:
radiojunkbox 0:79620c558b0c 10
radiojunkbox 0:79620c558b0c 11 The above copyright notice and this permission notice shall be included in
radiojunkbox 0:79620c558b0c 12 all copies or substantial portions of the Software.
radiojunkbox 0:79620c558b0c 13
radiojunkbox 0:79620c558b0c 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
radiojunkbox 0:79620c558b0c 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
radiojunkbox 0:79620c558b0c 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
radiojunkbox 0:79620c558b0c 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
radiojunkbox 0:79620c558b0c 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
radiojunkbox 0:79620c558b0c 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
radiojunkbox 0:79620c558b0c 20 THE SOFTWARE.
radiojunkbox 0:79620c558b0c 21 */
radiojunkbox 0:79620c558b0c 22
radiojunkbox 0:79620c558b0c 23 /*
radiojunkbox 0:79620c558b0c 24 May 11 2012 RadioJunkBox : added MIDI USB support
radiojunkbox 0:79620c558b0c 25 */
radiojunkbox 0:79620c558b0c 26
radiojunkbox 0:79620c558b0c 27 #include "mbed.h"
radiojunkbox 0:79620c558b0c 28 #include "USBHost.h"
radiojunkbox 0:79620c558b0c 29 #include "Utils.h"
radiojunkbox 0:79620c558b0c 30 #include "FATFileSystem.h"
radiojunkbox 0:79620c558b0c 31
non 2:7576d1327cf1 32 #include "common.h"
non 2:7576d1327cf1 33 #include "TestShell.h"
non 2:7576d1327cf1 34
radiojunkbox 0:79620c558b0c 35 int MassStorage_ReadCapacity(int device, u32* blockCount, u32* blockSize);
radiojunkbox 0:79620c558b0c 36 int MassStorage_Read(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize);
radiojunkbox 0:79620c558b0c 37 int MassStorage_Write(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize);
radiojunkbox 0:79620c558b0c 38
radiojunkbox 0:79620c558b0c 39 class USBFileSystem : public FATFileSystem
radiojunkbox 0:79620c558b0c 40 {
radiojunkbox 0:79620c558b0c 41 int _device;
radiojunkbox 0:79620c558b0c 42 u32 _blockSize;
radiojunkbox 0:79620c558b0c 43 u32 _blockCount;
radiojunkbox 0:79620c558b0c 44
radiojunkbox 0:79620c558b0c 45 public:
radiojunkbox 0:79620c558b0c 46 USBFileSystem() : FATFileSystem("usb"),_device(0),_blockSize(0),_blockCount(0)
radiojunkbox 0:79620c558b0c 47 {
radiojunkbox 0:79620c558b0c 48 }
radiojunkbox 0:79620c558b0c 49
radiojunkbox 0:79620c558b0c 50 void SetDevice(int device)
radiojunkbox 0:79620c558b0c 51 {
radiojunkbox 0:79620c558b0c 52 _device = device;
radiojunkbox 0:79620c558b0c 53 }
radiojunkbox 0:79620c558b0c 54
radiojunkbox 0:79620c558b0c 55 virtual int disk_initialize()
radiojunkbox 0:79620c558b0c 56 {
radiojunkbox 0:79620c558b0c 57 return MassStorage_ReadCapacity(_device,&_blockCount,&_blockSize);
radiojunkbox 0:79620c558b0c 58 }
radiojunkbox 0:79620c558b0c 59
radiojunkbox 0:79620c558b0c 60 virtual int disk_write(const char *buffer, int block_number)
radiojunkbox 0:79620c558b0c 61 {
radiojunkbox 0:79620c558b0c 62 return MassStorage_Write(_device,block_number,1,(u8*)buffer,_blockSize);
radiojunkbox 0:79620c558b0c 63 }
radiojunkbox 0:79620c558b0c 64
radiojunkbox 0:79620c558b0c 65 virtual int disk_read(char *buffer, int block_number)
radiojunkbox 0:79620c558b0c 66 {
radiojunkbox 0:79620c558b0c 67 return MassStorage_Read(_device,block_number,1,(u8*)buffer,_blockSize);
radiojunkbox 0:79620c558b0c 68 }
radiojunkbox 0:79620c558b0c 69
radiojunkbox 0:79620c558b0c 70 virtual int disk_sectors()
radiojunkbox 0:79620c558b0c 71 {
radiojunkbox 0:79620c558b0c 72 return _blockCount;
radiojunkbox 0:79620c558b0c 73 }
radiojunkbox 0:79620c558b0c 74 };
radiojunkbox 0:79620c558b0c 75
radiojunkbox 0:79620c558b0c 76 void DumpFS(int depth, int count)
radiojunkbox 0:79620c558b0c 77 {
radiojunkbox 0:79620c558b0c 78 DIR *d = opendir("/usb");
radiojunkbox 0:79620c558b0c 79 if (!d)
radiojunkbox 0:79620c558b0c 80 {
radiojunkbox 0:79620c558b0c 81 printf("USB file system borked\n");
radiojunkbox 0:79620c558b0c 82 return;
radiojunkbox 0:79620c558b0c 83 }
radiojunkbox 0:79620c558b0c 84
radiojunkbox 0:79620c558b0c 85 printf("\nDumping root dir\n");
radiojunkbox 0:79620c558b0c 86 struct dirent *p;
radiojunkbox 0:79620c558b0c 87 for(;;)
radiojunkbox 0:79620c558b0c 88 {
radiojunkbox 0:79620c558b0c 89 p = readdir(d);
radiojunkbox 0:79620c558b0c 90 if (!p)
radiojunkbox 0:79620c558b0c 91 break;
radiojunkbox 0:79620c558b0c 92 int len = sizeof( dirent);
radiojunkbox 0:79620c558b0c 93 printf("%s %d\n", p->d_name, len);
radiojunkbox 0:79620c558b0c 94 }
radiojunkbox 0:79620c558b0c 95 closedir(d);
radiojunkbox 0:79620c558b0c 96 }
radiojunkbox 0:79620c558b0c 97
radiojunkbox 0:79620c558b0c 98 int OnDiskInsert(int device)
radiojunkbox 0:79620c558b0c 99 {
radiojunkbox 0:79620c558b0c 100 USBFileSystem fs;
radiojunkbox 0:79620c558b0c 101 fs.SetDevice(device);
radiojunkbox 0:79620c558b0c 102 DumpFS(0,0);
radiojunkbox 0:79620c558b0c 103 return 0;
radiojunkbox 0:79620c558b0c 104 }
radiojunkbox 0:79620c558b0c 105
radiojunkbox 0:79620c558b0c 106 /*
radiojunkbox 0:79620c558b0c 107 Simple test shell to exercise mouse,keyboard,mass storage and hubs.
radiojunkbox 0:79620c558b0c 108 Add 2 15k pulldown resistors between D+/D- and ground, attach a usb socket and have at it.
radiojunkbox 0:79620c558b0c 109 */
radiojunkbox 0:79620c558b0c 110
radiojunkbox 0:79620c558b0c 111 Serial pc(USBTX, USBRX);
radiojunkbox 0:79620c558b0c 112 int GetConsoleChar()
radiojunkbox 0:79620c558b0c 113 {
radiojunkbox 0:79620c558b0c 114 if (!pc.readable())
radiojunkbox 0:79620c558b0c 115 return -1;
radiojunkbox 0:79620c558b0c 116 char c = pc.getc();
radiojunkbox 0:79620c558b0c 117 pc.putc(c); // echo
radiojunkbox 0:79620c558b0c 118 return c;
radiojunkbox 0:79620c558b0c 119 }
radiojunkbox 0:79620c558b0c 120
non 2:7576d1327cf1 121 bool IsConsoleReadable()
non 2:7576d1327cf1 122 {
non 2:7576d1327cf1 123 return pc.readable();
non 2:7576d1327cf1 124 }
radiojunkbox 0:79620c558b0c 125
non 1:892f8922bdc4 126
non 3:31fbce33c25b 127 static DigitalIn mySW1(SW1pin);
non 3:31fbce33c25b 128 static DigitalIn mySW2(SW2pin);
non 2:7576d1327cf1 129 static DigitalOut myLED(LED1);
non 3:31fbce33c25b 130 LocalFileSystem local("local"); // Need this if you want to save to local flash
non 2:7576d1327cf1 131
radiojunkbox 0:79620c558b0c 132 int main()
radiojunkbox 0:79620c558b0c 133 {
radiojunkbox 0:79620c558b0c 134 // pc.baud(460800);
non 3:31fbce33c25b 135 mySW1.mode(PullUp);
non 3:31fbce33c25b 136 mySW2.mode(PullUp);
non 3:31fbce33c25b 137
radiojunkbox 0:79620c558b0c 138 printf("BlueUSB\nNow get a bunch of usb or bluetooth things and plug them in\n");
radiojunkbox 0:79620c558b0c 139 InitSerialMIDI(); // Added by RadioJunkBox
non 3:31fbce33c25b 140 if (mySW1 == 0) {
non 2:7576d1327cf1 141 myLED = 1;
non 2:7576d1327cf1 142 wait(0.5);
non 2:7576d1327cf1 143 myLED = 0;
non 2:7576d1327cf1 144 }
radiojunkbox 0:79620c558b0c 145 TestShell();
radiojunkbox 0:79620c558b0c 146 }