Radio Junk Box / Mbed 2 deprecated MIDI_BlueUSB

Peter Barrett氏のBlueUSBにMIDI USB HOST機能を加えたサンプルプログラムです。KORG nanoKEYなどのUSB MIDIストリームをシリアルMIDI(Serial TX p9)にブリッジします。動作確認はKORG nanoKEY、AKAI LPK-25、EDIROL PC-50のみです。

Dependencies:   mbed

MassStorage.cpp@0:79620c558b0c, 2012-05-11 (annotated)

Committer:
radiojunkbox
Date:
Fri May 11 10:05:40 2012 +0000
Revision:
0:79620c558b0c
Rev. 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
radiojunkbox 0:79620c558b0c 1
radiojunkbox 0:79620c558b0c 2 /*
radiojunkbox 0:79620c558b0c 3 Copyright (c) 2010 Peter Barrett
radiojunkbox 0:79620c558b0c 4
radiojunkbox 0:79620c558b0c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
radiojunkbox 0:79620c558b0c 6 of this software and associated documentation files (the "Software"), to deal
radiojunkbox 0:79620c558b0c 7 in the Software without restriction, including without limitation the rights
radiojunkbox 0:79620c558b0c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
radiojunkbox 0:79620c558b0c 9 copies of the Software, and to permit persons to whom the Software is
radiojunkbox 0:79620c558b0c 10 furnished to do so, subject to the following conditions:
radiojunkbox 0:79620c558b0c 11
radiojunkbox 0:79620c558b0c 12 The above copyright notice and this permission notice shall be included in
radiojunkbox 0:79620c558b0c 13 all copies or substantial portions of the Software.
radiojunkbox 0:79620c558b0c 14
radiojunkbox 0:79620c558b0c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
radiojunkbox 0:79620c558b0c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
radiojunkbox 0:79620c558b0c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
radiojunkbox 0:79620c558b0c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
radiojunkbox 0:79620c558b0c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
radiojunkbox 0:79620c558b0c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
radiojunkbox 0:79620c558b0c 21 THE SOFTWARE.
radiojunkbox 0:79620c558b0c 22 */
radiojunkbox 0:79620c558b0c 23
radiojunkbox 0:79620c558b0c 24 #include "stdlib.h"
radiojunkbox 0:79620c558b0c 25 #include "stdio.h"
radiojunkbox 0:79620c558b0c 26 #include "string.h"
radiojunkbox 0:79620c558b0c 27
radiojunkbox 0:79620c558b0c 28 #include "Utils.h"
radiojunkbox 0:79620c558b0c 29 #include "USBHost.h"
radiojunkbox 0:79620c558b0c 30
radiojunkbox 0:79620c558b0c 31
radiojunkbox 0:79620c558b0c 32 int MassStorage_ReadCapacity(int device, u32* blockCount, u32* blockSize);
radiojunkbox 0:79620c558b0c 33 int MassStorage_ReadBlock(int device, u32 block, u8* dst);
radiojunkbox 0:79620c558b0c 34 int MassStorage_WriteBlock(int device, u32 block, const u8* dst);
radiojunkbox 0:79620c558b0c 35
radiojunkbox 0:79620c558b0c 36
radiojunkbox 0:79620c558b0c 37 #define ERR_BAD_CSW_SIGNATURE -200
radiojunkbox 0:79620c558b0c 38
radiojunkbox 0:79620c558b0c 39 #define CBW_SIGNATURE 0x43425355
radiojunkbox 0:79620c558b0c 40 #define CSW_SIGNATURE 0x53425355
radiojunkbox 0:79620c558b0c 41
radiojunkbox 0:79620c558b0c 42 // Command Block
radiojunkbox 0:79620c558b0c 43 typedef struct
radiojunkbox 0:79620c558b0c 44 {
radiojunkbox 0:79620c558b0c 45 u32 Signature;
radiojunkbox 0:79620c558b0c 46 u32 Tag;
radiojunkbox 0:79620c558b0c 47 u32 TransferLength;
radiojunkbox 0:79620c558b0c 48 u8 Flags;
radiojunkbox 0:79620c558b0c 49 u8 LUN;
radiojunkbox 0:79620c558b0c 50 u8 CBLength;
radiojunkbox 0:79620c558b0c 51 u8 CB[16]; // only 6 really
radiojunkbox 0:79620c558b0c 52 } CBW;
radiojunkbox 0:79620c558b0c 53
radiojunkbox 0:79620c558b0c 54 // Status block
radiojunkbox 0:79620c558b0c 55 typedef struct
radiojunkbox 0:79620c558b0c 56 {
radiojunkbox 0:79620c558b0c 57 u32 Signature;
radiojunkbox 0:79620c558b0c 58 u32 Tag;
radiojunkbox 0:79620c558b0c 59 u32 DataResidue;
radiojunkbox 0:79620c558b0c 60 u8 Status;
radiojunkbox 0:79620c558b0c 61 } CSW;
radiojunkbox 0:79620c558b0c 62
radiojunkbox 0:79620c558b0c 63 int SCSIRequestSense(int device);
radiojunkbox 0:79620c558b0c 64
radiojunkbox 0:79620c558b0c 65 int DoSCSI(int device, const u8* cmd, int cmdLen, int flags, u8* data, u32 transferLen)
radiojunkbox 0:79620c558b0c 66 {
radiojunkbox 0:79620c558b0c 67 CBW cbw;
radiojunkbox 0:79620c558b0c 68 cbw.Signature = CBW_SIGNATURE;
radiojunkbox 0:79620c558b0c 69 cbw.Tag = 0;
radiojunkbox 0:79620c558b0c 70 cbw.TransferLength = transferLen;
radiojunkbox 0:79620c558b0c 71 cbw.Flags = flags;
radiojunkbox 0:79620c558b0c 72 cbw.LUN = 0;
radiojunkbox 0:79620c558b0c 73 cbw.CBLength = cmdLen;
radiojunkbox 0:79620c558b0c 74 memset(cbw.CB,0,sizeof(cbw.CB));
radiojunkbox 0:79620c558b0c 75 memcpy(cbw.CB,cmd,cmdLen);
radiojunkbox 0:79620c558b0c 76
radiojunkbox 0:79620c558b0c 77 int r;
radiojunkbox 0:79620c558b0c 78 r = USBBulkTransfer(device,0x01,(u8*)&cbw,31); // Send the command
radiojunkbox 0:79620c558b0c 79 if (r < 0)
radiojunkbox 0:79620c558b0c 80 return r;
radiojunkbox 0:79620c558b0c 81
radiojunkbox 0:79620c558b0c 82 if (data)
radiojunkbox 0:79620c558b0c 83 {
radiojunkbox 0:79620c558b0c 84 r = USBBulkTransfer(device,flags | 1,data,transferLen);
radiojunkbox 0:79620c558b0c 85 if (r < 0)
radiojunkbox 0:79620c558b0c 86 return r;
radiojunkbox 0:79620c558b0c 87 }
radiojunkbox 0:79620c558b0c 88
radiojunkbox 0:79620c558b0c 89 CSW csw;
radiojunkbox 0:79620c558b0c 90 csw.Signature = 0;
radiojunkbox 0:79620c558b0c 91 r = USBBulkTransfer(device,0x81,(u8*)&csw,13);
radiojunkbox 0:79620c558b0c 92 if (r < 0)
radiojunkbox 0:79620c558b0c 93 return r;
radiojunkbox 0:79620c558b0c 94
radiojunkbox 0:79620c558b0c 95 if (csw.Signature != CSW_SIGNATURE)
radiojunkbox 0:79620c558b0c 96 return ERR_BAD_CSW_SIGNATURE;
radiojunkbox 0:79620c558b0c 97
radiojunkbox 0:79620c558b0c 98 // ModeSense?
radiojunkbox 0:79620c558b0c 99 if (csw.Status == 1 && cmd[0] != 3)
radiojunkbox 0:79620c558b0c 100 return SCSIRequestSense(device);
radiojunkbox 0:79620c558b0c 101
radiojunkbox 0:79620c558b0c 102 return csw.Status;
radiojunkbox 0:79620c558b0c 103 }
radiojunkbox 0:79620c558b0c 104
radiojunkbox 0:79620c558b0c 105 int SCSITestUnitReady(int device)
radiojunkbox 0:79620c558b0c 106 {
radiojunkbox 0:79620c558b0c 107 u8 cmd[6];
radiojunkbox 0:79620c558b0c 108 memset(cmd,0,6);
radiojunkbox 0:79620c558b0c 109 return DoSCSI(device,cmd,6,DEVICE_TO_HOST,0,0);
radiojunkbox 0:79620c558b0c 110 }
radiojunkbox 0:79620c558b0c 111
radiojunkbox 0:79620c558b0c 112 int SCSIRequestSense(int device)
radiojunkbox 0:79620c558b0c 113 {
radiojunkbox 0:79620c558b0c 114 u8 cmd[6] = {0x03,0,0,0,18,0};
radiojunkbox 0:79620c558b0c 115 u8 result[18];
radiojunkbox 0:79620c558b0c 116 int r = DoSCSI(device,cmd,6,DEVICE_TO_HOST,result,18);
radiojunkbox 0:79620c558b0c 117 return r;
radiojunkbox 0:79620c558b0c 118 }
radiojunkbox 0:79620c558b0c 119
radiojunkbox 0:79620c558b0c 120 int SCSIInquiry(int device)
radiojunkbox 0:79620c558b0c 121 {
radiojunkbox 0:79620c558b0c 122 u8 cmd[6] = {0x12,0,0,0,36,0};
radiojunkbox 0:79620c558b0c 123 u8 result[36+2];
radiojunkbox 0:79620c558b0c 124 result[36] = '\n';
radiojunkbox 0:79620c558b0c 125 result[37] = 0;
radiojunkbox 0:79620c558b0c 126 int r = DoSCSI(device,cmd,6,DEVICE_TO_HOST,result,36);
radiojunkbox 0:79620c558b0c 127 if (r == 0)
radiojunkbox 0:79620c558b0c 128 printf((const char*)result + 8);
radiojunkbox 0:79620c558b0c 129 return r;
radiojunkbox 0:79620c558b0c 130 }
radiojunkbox 0:79620c558b0c 131
radiojunkbox 0:79620c558b0c 132 int SCSIReadCapacity(int device, u32* blockCount, u32* blockSize)
radiojunkbox 0:79620c558b0c 133 {
radiojunkbox 0:79620c558b0c 134 u8 cmd[10] = {0x25,0,0,0,8,0,0,0,0,0};
radiojunkbox 0:79620c558b0c 135 u8 result[8];
radiojunkbox 0:79620c558b0c 136 *blockSize = 0;
radiojunkbox 0:79620c558b0c 137 *blockCount = 0;
radiojunkbox 0:79620c558b0c 138 int r = DoSCSI(device,cmd,10,DEVICE_TO_HOST,result,8);
radiojunkbox 0:79620c558b0c 139 if (r == 0)
radiojunkbox 0:79620c558b0c 140 {
radiojunkbox 0:79620c558b0c 141 *blockCount = BE32(result);
radiojunkbox 0:79620c558b0c 142 *blockSize = BE32(result+4);
radiojunkbox 0:79620c558b0c 143 }
radiojunkbox 0:79620c558b0c 144 return r;
radiojunkbox 0:79620c558b0c 145 }
radiojunkbox 0:79620c558b0c 146
radiojunkbox 0:79620c558b0c 147 int SCSITransfer(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize, int direction)
radiojunkbox 0:79620c558b0c 148 {
radiojunkbox 0:79620c558b0c 149 // USB hardware will only do 4k per transfer
radiojunkbox 0:79620c558b0c 150 while (blockCount*blockSize > 4096)
radiojunkbox 0:79620c558b0c 151 {
radiojunkbox 0:79620c558b0c 152 int count = 4096/blockSize;
radiojunkbox 0:79620c558b0c 153 int r = SCSITransfer(device,blockAddr,count,dst,blockSize,direction);
radiojunkbox 0:79620c558b0c 154 dst += count*blockSize;
radiojunkbox 0:79620c558b0c 155 blockAddr += count;
radiojunkbox 0:79620c558b0c 156 blockCount -= count;
radiojunkbox 0:79620c558b0c 157 }
radiojunkbox 0:79620c558b0c 158
radiojunkbox 0:79620c558b0c 159 u8 cmd[10];
radiojunkbox 0:79620c558b0c 160 memset(cmd,0,10);
radiojunkbox 0:79620c558b0c 161 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
radiojunkbox 0:79620c558b0c 162 BE32(blockAddr,cmd+2);
radiojunkbox 0:79620c558b0c 163 BE16(blockCount,cmd+7);
radiojunkbox 0:79620c558b0c 164 return DoSCSI(device,cmd,10,direction,dst,blockSize*blockCount);
radiojunkbox 0:79620c558b0c 165 }
radiojunkbox 0:79620c558b0c 166
radiojunkbox 0:79620c558b0c 167 int MassStorage_ReadCapacity(int device, u32* blockCount, u32* blockSize)
radiojunkbox 0:79620c558b0c 168 {
radiojunkbox 0:79620c558b0c 169 return SCSIReadCapacity(device,blockCount,blockSize);
radiojunkbox 0:79620c558b0c 170 }
radiojunkbox 0:79620c558b0c 171
radiojunkbox 0:79620c558b0c 172 int MassStorage_Read(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize = 512)
radiojunkbox 0:79620c558b0c 173 {
radiojunkbox 0:79620c558b0c 174 return SCSITransfer(device,blockAddr,blockCount,dst,blockSize,DEVICE_TO_HOST);
radiojunkbox 0:79620c558b0c 175 }
radiojunkbox 0:79620c558b0c 176
radiojunkbox 0:79620c558b0c 177 int MassStorage_Write(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize = 512)
radiojunkbox 0:79620c558b0c 178 {
radiojunkbox 0:79620c558b0c 179 return SCSITransfer(device,blockAddr,blockCount,dst,blockSize,HOST_TO_DEVICE);
radiojunkbox 0:79620c558b0c 180 }