XOOMの動作状況を聞き処理を変えてみました。 USBケーブルを抜いた際に処理を終了するようにしました。

Dependencies:   mbed

Committer:
abe00makoto
Date:
Fri May 27 18:51:15 2011 +0000
Revision:
3:432e5675d240
Parent:
0:9fb6c423e32c
nexus one support
maybe support add XOOM ,nexus S

Who changed what in which revision?

UserRevisionLine numberNew contents of line
abe00makoto 0:9fb6c423e32c 1
abe00makoto 0:9fb6c423e32c 2 /*
abe00makoto 0:9fb6c423e32c 3 Copyright (c) 2010 Peter Barrett
abe00makoto 0:9fb6c423e32c 4
abe00makoto 0:9fb6c423e32c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
abe00makoto 0:9fb6c423e32c 6 of this software and associated documentation files (the "Software"), to deal
abe00makoto 0:9fb6c423e32c 7 in the Software without restriction, including without limitation the rights
abe00makoto 0:9fb6c423e32c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
abe00makoto 0:9fb6c423e32c 9 copies of the Software, and to permit persons to whom the Software is
abe00makoto 0:9fb6c423e32c 10 furnished to do so, subject to the following conditions:
abe00makoto 0:9fb6c423e32c 11
abe00makoto 0:9fb6c423e32c 12 The above copyright notice and this permission notice shall be included in
abe00makoto 0:9fb6c423e32c 13 all copies or substantial portions of the Software.
abe00makoto 0:9fb6c423e32c 14
abe00makoto 0:9fb6c423e32c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
abe00makoto 0:9fb6c423e32c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
abe00makoto 0:9fb6c423e32c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
abe00makoto 0:9fb6c423e32c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
abe00makoto 0:9fb6c423e32c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
abe00makoto 0:9fb6c423e32c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
abe00makoto 0:9fb6c423e32c 21 THE SOFTWARE.
abe00makoto 0:9fb6c423e32c 22 */
abe00makoto 0:9fb6c423e32c 23
abe00makoto 0:9fb6c423e32c 24 #include "stdlib.h"
abe00makoto 0:9fb6c423e32c 25 #include "stdio.h"
abe00makoto 0:9fb6c423e32c 26 #include "string.h"
abe00makoto 0:9fb6c423e32c 27
abe00makoto 0:9fb6c423e32c 28 #include "Utils.h"
abe00makoto 0:9fb6c423e32c 29 #include "USBHost.h"
abe00makoto 0:9fb6c423e32c 30
abe00makoto 0:9fb6c423e32c 31
abe00makoto 0:9fb6c423e32c 32 int MassStorage_ReadCapacity(int device, u32* blockCount, u32* blockSize);
abe00makoto 0:9fb6c423e32c 33 int MassStorage_ReadBlock(int device, u32 block, u8* dst);
abe00makoto 0:9fb6c423e32c 34 int MassStorage_WriteBlock(int device, u32 block, const u8* dst);
abe00makoto 0:9fb6c423e32c 35
abe00makoto 0:9fb6c423e32c 36
abe00makoto 0:9fb6c423e32c 37 #define ERR_BAD_CSW_SIGNATURE -200
abe00makoto 0:9fb6c423e32c 38
abe00makoto 0:9fb6c423e32c 39 #define CBW_SIGNATURE 0x43425355
abe00makoto 0:9fb6c423e32c 40 #define CSW_SIGNATURE 0x53425355
abe00makoto 0:9fb6c423e32c 41
abe00makoto 0:9fb6c423e32c 42 // Command Block
abe00makoto 0:9fb6c423e32c 43 typedef struct
abe00makoto 0:9fb6c423e32c 44 {
abe00makoto 0:9fb6c423e32c 45 u32 Signature;
abe00makoto 0:9fb6c423e32c 46 u32 Tag;
abe00makoto 0:9fb6c423e32c 47 u32 TransferLength;
abe00makoto 0:9fb6c423e32c 48 u8 Flags;
abe00makoto 0:9fb6c423e32c 49 u8 LUN;
abe00makoto 0:9fb6c423e32c 50 u8 CBLength;
abe00makoto 0:9fb6c423e32c 51 u8 CB[16]; // only 6 really
abe00makoto 0:9fb6c423e32c 52 } CBW;
abe00makoto 0:9fb6c423e32c 53
abe00makoto 0:9fb6c423e32c 54 // Status block
abe00makoto 0:9fb6c423e32c 55 typedef struct
abe00makoto 0:9fb6c423e32c 56 {
abe00makoto 0:9fb6c423e32c 57 u32 Signature;
abe00makoto 0:9fb6c423e32c 58 u32 Tag;
abe00makoto 0:9fb6c423e32c 59 u32 DataResidue;
abe00makoto 0:9fb6c423e32c 60 u8 Status;
abe00makoto 0:9fb6c423e32c 61 } CSW;
abe00makoto 0:9fb6c423e32c 62
abe00makoto 0:9fb6c423e32c 63 int SCSIRequestSense(int device);
abe00makoto 0:9fb6c423e32c 64
abe00makoto 0:9fb6c423e32c 65 int DoSCSI(int device, const u8* cmd, int cmdLen, int flags, u8* data, u32 transferLen)
abe00makoto 0:9fb6c423e32c 66 {
abe00makoto 0:9fb6c423e32c 67 CBW cbw;
abe00makoto 0:9fb6c423e32c 68 cbw.Signature = CBW_SIGNATURE;
abe00makoto 0:9fb6c423e32c 69 cbw.Tag = 0;
abe00makoto 0:9fb6c423e32c 70 cbw.TransferLength = transferLen;
abe00makoto 0:9fb6c423e32c 71 cbw.Flags = flags;
abe00makoto 0:9fb6c423e32c 72 cbw.LUN = 0;
abe00makoto 0:9fb6c423e32c 73 cbw.CBLength = cmdLen;
abe00makoto 0:9fb6c423e32c 74 memset(cbw.CB,0,sizeof(cbw.CB));
abe00makoto 0:9fb6c423e32c 75 memcpy(cbw.CB,cmd,cmdLen);
abe00makoto 0:9fb6c423e32c 76
abe00makoto 0:9fb6c423e32c 77 int r;
abe00makoto 0:9fb6c423e32c 78 r = USBBulkTransfer(device,0x01,(u8*)&cbw,31); // Send the command
abe00makoto 0:9fb6c423e32c 79 if (r < 0)
abe00makoto 0:9fb6c423e32c 80 return r;
abe00makoto 0:9fb6c423e32c 81
abe00makoto 0:9fb6c423e32c 82 if (data)
abe00makoto 0:9fb6c423e32c 83 {
abe00makoto 0:9fb6c423e32c 84 r = USBBulkTransfer(device,flags | 1,data,transferLen);
abe00makoto 0:9fb6c423e32c 85 if (r < 0)
abe00makoto 0:9fb6c423e32c 86 return r;
abe00makoto 0:9fb6c423e32c 87 }
abe00makoto 0:9fb6c423e32c 88
abe00makoto 0:9fb6c423e32c 89 CSW csw;
abe00makoto 0:9fb6c423e32c 90 csw.Signature = 0;
abe00makoto 0:9fb6c423e32c 91 r = USBBulkTransfer(device,0x81,(u8*)&csw,13);
abe00makoto 0:9fb6c423e32c 92 if (r < 0)
abe00makoto 0:9fb6c423e32c 93 return r;
abe00makoto 0:9fb6c423e32c 94
abe00makoto 0:9fb6c423e32c 95 if (csw.Signature != CSW_SIGNATURE)
abe00makoto 0:9fb6c423e32c 96 return ERR_BAD_CSW_SIGNATURE;
abe00makoto 0:9fb6c423e32c 97
abe00makoto 0:9fb6c423e32c 98 // ModeSense?
abe00makoto 0:9fb6c423e32c 99 if (csw.Status == 1 && cmd[0] != 3)
abe00makoto 0:9fb6c423e32c 100 return SCSIRequestSense(device);
abe00makoto 0:9fb6c423e32c 101
abe00makoto 0:9fb6c423e32c 102 return csw.Status;
abe00makoto 0:9fb6c423e32c 103 }
abe00makoto 0:9fb6c423e32c 104
abe00makoto 0:9fb6c423e32c 105 int SCSITestUnitReady(int device)
abe00makoto 0:9fb6c423e32c 106 {
abe00makoto 0:9fb6c423e32c 107 u8 cmd[6];
abe00makoto 0:9fb6c423e32c 108 memset(cmd,0,6);
abe00makoto 0:9fb6c423e32c 109 return DoSCSI(device,cmd,6,DEVICE_TO_HOST,0,0);
abe00makoto 0:9fb6c423e32c 110 }
abe00makoto 0:9fb6c423e32c 111
abe00makoto 0:9fb6c423e32c 112 int SCSIRequestSense(int device)
abe00makoto 0:9fb6c423e32c 113 {
abe00makoto 0:9fb6c423e32c 114 u8 cmd[6] = {0x03,0,0,0,18,0};
abe00makoto 0:9fb6c423e32c 115 u8 result[18];
abe00makoto 0:9fb6c423e32c 116 int r = DoSCSI(device,cmd,6,DEVICE_TO_HOST,result,18);
abe00makoto 0:9fb6c423e32c 117 return r;
abe00makoto 0:9fb6c423e32c 118 }
abe00makoto 0:9fb6c423e32c 119
abe00makoto 0:9fb6c423e32c 120 int SCSIInquiry(int device)
abe00makoto 0:9fb6c423e32c 121 {
abe00makoto 0:9fb6c423e32c 122 u8 cmd[6] = {0x12,0,0,0,36,0};
abe00makoto 0:9fb6c423e32c 123 u8 result[36+2];
abe00makoto 0:9fb6c423e32c 124 result[36] = '\n';
abe00makoto 0:9fb6c423e32c 125 result[37] = 0;
abe00makoto 0:9fb6c423e32c 126 int r = DoSCSI(device,cmd,6,DEVICE_TO_HOST,result,36);
abe00makoto 0:9fb6c423e32c 127 if (r == 0)
abe00makoto 0:9fb6c423e32c 128 printf((const char*)result + 8);
abe00makoto 0:9fb6c423e32c 129 return r;
abe00makoto 0:9fb6c423e32c 130 }
abe00makoto 0:9fb6c423e32c 131
abe00makoto 0:9fb6c423e32c 132 int SCSIReadCapacity(int device, u32* blockCount, u32* blockSize)
abe00makoto 0:9fb6c423e32c 133 {
abe00makoto 0:9fb6c423e32c 134 u8 cmd[10] = {0x25,0,0,0,8,0,0,0,0,0};
abe00makoto 0:9fb6c423e32c 135 u8 result[8];
abe00makoto 0:9fb6c423e32c 136 *blockSize = 0;
abe00makoto 0:9fb6c423e32c 137 *blockCount = 0;
abe00makoto 0:9fb6c423e32c 138 int r = DoSCSI(device,cmd,10,DEVICE_TO_HOST,result,8);
abe00makoto 0:9fb6c423e32c 139 if (r == 0)
abe00makoto 0:9fb6c423e32c 140 {
abe00makoto 0:9fb6c423e32c 141 *blockCount = BE32(result);
abe00makoto 0:9fb6c423e32c 142 *blockSize = BE32(result+4);
abe00makoto 0:9fb6c423e32c 143 }
abe00makoto 0:9fb6c423e32c 144 return r;
abe00makoto 0:9fb6c423e32c 145 }
abe00makoto 0:9fb6c423e32c 146
abe00makoto 0:9fb6c423e32c 147 int SCSITransfer(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize, int direction)
abe00makoto 0:9fb6c423e32c 148 {
abe00makoto 0:9fb6c423e32c 149 // USB hardware will only do 4k per transfer
abe00makoto 0:9fb6c423e32c 150 while (blockCount*blockSize > 4096)
abe00makoto 0:9fb6c423e32c 151 {
abe00makoto 0:9fb6c423e32c 152 int count = 4096/blockSize;
abe00makoto 0:9fb6c423e32c 153 int r = SCSITransfer(device,blockAddr,count,dst,blockSize,direction);
abe00makoto 0:9fb6c423e32c 154 dst += count*blockSize;
abe00makoto 0:9fb6c423e32c 155 blockAddr += count;
abe00makoto 0:9fb6c423e32c 156 blockCount -= count;
abe00makoto 0:9fb6c423e32c 157 }
abe00makoto 0:9fb6c423e32c 158
abe00makoto 0:9fb6c423e32c 159 u8 cmd[10];
abe00makoto 0:9fb6c423e32c 160 memset(cmd,0,10);
abe00makoto 0:9fb6c423e32c 161 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
abe00makoto 0:9fb6c423e32c 162 BE32(blockAddr,cmd+2);
abe00makoto 0:9fb6c423e32c 163 BE16(blockCount,cmd+7);
abe00makoto 0:9fb6c423e32c 164 return DoSCSI(device,cmd,10,direction,dst,blockSize*blockCount);
abe00makoto 0:9fb6c423e32c 165 }
abe00makoto 0:9fb6c423e32c 166
abe00makoto 0:9fb6c423e32c 167 int MassStorage_ReadCapacity(int device, u32* blockCount, u32* blockSize)
abe00makoto 0:9fb6c423e32c 168 {
abe00makoto 0:9fb6c423e32c 169 return SCSIReadCapacity(device,blockCount,blockSize);
abe00makoto 0:9fb6c423e32c 170 }
abe00makoto 0:9fb6c423e32c 171
abe00makoto 0:9fb6c423e32c 172 int MassStorage_Read(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize = 512)
abe00makoto 0:9fb6c423e32c 173 {
abe00makoto 0:9fb6c423e32c 174 return SCSITransfer(device,blockAddr,blockCount,dst,blockSize,DEVICE_TO_HOST);
abe00makoto 0:9fb6c423e32c 175 }
abe00makoto 0:9fb6c423e32c 176
abe00makoto 0:9fb6c423e32c 177 int MassStorage_Write(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize = 512)
abe00makoto 0:9fb6c423e32c 178 {
abe00makoto 0:9fb6c423e32c 179 return SCSITransfer(device,blockAddr,blockCount,dst,blockSize,HOST_TO_DEVICE);
abe00makoto 0:9fb6c423e32c 180 }