Nobuaki Aoki / Mbed 2 deprecated myBlueUSB_localfix

local fix version of myBlueUSB (http://mbed.org/users/networker/code/myBlueUSB/). - merge deleted files which are required to compile. - enable echo back of received data via RFCOMM.

Dependencies:   AvailableMemory FatFileSystem mbed myUSBHost

myUSBHost/MassStorage.h@2:9f25a7fa1a54, 2013-12-08 (annotated)

Committer:
nobukuma
Date:
Sun Dec 08 21:52:09 2013 +0000
Revision:
2:9f25a7fa1a54
Parent:
0:003889bc474f 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
nobukuma 0:003889bc474f 1 #ifndef MASSSTORAGE_H
nobukuma 0:003889bc474f 2 #define MASSSTORAGE_H
nobukuma 0:003889bc474f 3
nobukuma 0:003889bc474f 4 #include "Utils.h"
nobukuma 0:003889bc474f 5 #include "USBHost.h"
nobukuma 0:003889bc474f 6
nobukuma 0:003889bc474f 7
nobukuma 0:003889bc474f 8 #define ERR_BAD_CSW_SIGNATURE -200
nobukuma 0:003889bc474f 9
nobukuma 0:003889bc474f 10 #define CBW_SIGNATURE 0x43425355
nobukuma 0:003889bc474f 11 #define CSW_SIGNATURE 0x53425355
nobukuma 0:003889bc474f 12
nobukuma 0:003889bc474f 13 #define BULK_ENDPOINT_IN 0x81
nobukuma 0:003889bc474f 14 #define BULK_ENDPOINT_OUT 0x02
nobukuma 0:003889bc474f 15
nobukuma 0:003889bc474f 16 // Command Block
nobukuma 0:003889bc474f 17 typedef struct {
nobukuma 0:003889bc474f 18 u32 Signature;
nobukuma 0:003889bc474f 19 u32 Tag;
nobukuma 0:003889bc474f 20 u32 TransferLength;
nobukuma 0:003889bc474f 21 u8 Flags;
nobukuma 0:003889bc474f 22 u8 LUN;
nobukuma 0:003889bc474f 23 u8 CBLength;
nobukuma 0:003889bc474f 24 u8 CB[16]; // only 6 really
nobukuma 0:003889bc474f 25 } CBW;
nobukuma 0:003889bc474f 26
nobukuma 0:003889bc474f 27 // Status block
nobukuma 0:003889bc474f 28 typedef struct {
nobukuma 0:003889bc474f 29 u32 Signature;
nobukuma 0:003889bc474f 30 u32 Tag;
nobukuma 0:003889bc474f 31 u32 DataResidue;
nobukuma 0:003889bc474f 32 u8 Status;
nobukuma 0:003889bc474f 33 } CSW;
nobukuma 0:003889bc474f 34
nobukuma 0:003889bc474f 35 class USBSCSI {
nobukuma 0:003889bc474f 36 protected:
nobukuma 0:003889bc474f 37 int _device;
nobukuma 0:003889bc474f 38 unsigned char epin, epout;
nobukuma 0:003889bc474f 39 public:
nobukuma 0:003889bc474f 40 USBSCSI() : _device(0) {}
nobukuma 0:003889bc474f 41
nobukuma 0:003889bc474f 42 void SetDevice(int device, unsigned char in, unsigned char out)
nobukuma 0:003889bc474f 43 {
nobukuma 0:003889bc474f 44 _device = device;
nobukuma 0:003889bc474f 45 epin = in;
nobukuma 0:003889bc474f 46 epout = out;
nobukuma 0:003889bc474f 47 }
nobukuma 0:003889bc474f 48 protected:
nobukuma 0:003889bc474f 49 int DoSCSI(const u8* cmd, int cmdLen, int flags, u8* data, u32 transferLen) {
nobukuma 0:003889bc474f 50 CBW cbw;
nobukuma 0:003889bc474f 51 cbw.Signature = CBW_SIGNATURE;
nobukuma 0:003889bc474f 52 cbw.Tag = 0;
nobukuma 0:003889bc474f 53 cbw.TransferLength = transferLen;
nobukuma 0:003889bc474f 54 cbw.Flags = flags;
nobukuma 0:003889bc474f 55 cbw.LUN = 0;
nobukuma 0:003889bc474f 56 cbw.CBLength = cmdLen;
nobukuma 0:003889bc474f 57 memset(cbw.CB,0,sizeof(cbw.CB));
nobukuma 0:003889bc474f 58 memcpy(cbw.CB,cmd,cmdLen);
nobukuma 0:003889bc474f 59
nobukuma 0:003889bc474f 60 int r;
nobukuma 0:003889bc474f 61 //r = USBBulkTransfer(device,0x01,(u8*)&cbw,31); // Send the command
nobukuma 0:003889bc474f 62 r = USBBulkTransfer(_device,epout,(u8*)&cbw,31); // Send the command
nobukuma 0:003889bc474f 63 if (r < 0) {
nobukuma 0:003889bc474f 64 printf("first transfer returns %d\n", r);
nobukuma 0:003889bc474f 65 return r;
nobukuma 0:003889bc474f 66 }
nobukuma 0:003889bc474f 67 if (data) {
nobukuma 0:003889bc474f 68 //r = USBBulkTransfer(device,flags | 1,data,transferLen);
nobukuma 0:003889bc474f 69 r = USBBulkTransfer(_device,flags ? epin : epout,data,transferLen);
nobukuma 0:003889bc474f 70 if (r < 0) {
nobukuma 0:003889bc474f 71 printf("second transfer returns %d (flags=%02xH)\n", r, flags);
nobukuma 0:003889bc474f 72 return r;
nobukuma 0:003889bc474f 73 }
nobukuma 0:003889bc474f 74 }
nobukuma 0:003889bc474f 75
nobukuma 0:003889bc474f 76 CSW csw;
nobukuma 0:003889bc474f 77 csw.Signature = 0;
nobukuma 0:003889bc474f 78 //r = USBBulkTransfer(device,0x81,(u8*)&csw,13);
nobukuma 0:003889bc474f 79 r = USBBulkTransfer(_device,epin,(u8*)&csw,13);
nobukuma 0:003889bc474f 80 if (r < 0) {
nobukuma 0:003889bc474f 81 printf("third transfer returns %d\n", r);
nobukuma 0:003889bc474f 82 return r;
nobukuma 0:003889bc474f 83 }
nobukuma 0:003889bc474f 84 if (csw.Signature != CSW_SIGNATURE)
nobukuma 0:003889bc474f 85 return ERR_BAD_CSW_SIGNATURE;
nobukuma 0:003889bc474f 86
nobukuma 0:003889bc474f 87 // ModeSense?
nobukuma 0:003889bc474f 88 if (csw.Status == 1 && cmd[0] != 3)
nobukuma 0:003889bc474f 89 return SCSIRequestSense();
nobukuma 0:003889bc474f 90
nobukuma 0:003889bc474f 91 return csw.Status;
nobukuma 0:003889bc474f 92 }
nobukuma 0:003889bc474f 93
nobukuma 0:003889bc474f 94 int SCSITestUnitReady() {
nobukuma 0:003889bc474f 95 u8 cmd[6];
nobukuma 0:003889bc474f 96 memset(cmd,0,6);
nobukuma 0:003889bc474f 97 return DoSCSI(cmd,6,DEVICE_TO_HOST,0,0);
nobukuma 0:003889bc474f 98 }
nobukuma 0:003889bc474f 99
nobukuma 0:003889bc474f 100 int SCSIRequestSense() {
nobukuma 0:003889bc474f 101 u8 cmd[6] = {0x03,0,0,0,18,0};
nobukuma 0:003889bc474f 102 u8 result[18];
nobukuma 0:003889bc474f 103 int r = DoSCSI(cmd,6,DEVICE_TO_HOST,result,18);
nobukuma 0:003889bc474f 104 return r;
nobukuma 0:003889bc474f 105 }
nobukuma 0:003889bc474f 106
nobukuma 0:003889bc474f 107 int SCSIInquiry() {
nobukuma 0:003889bc474f 108 u8 cmd[6] = {0x12,0,0,0,36,0};
nobukuma 0:003889bc474f 109 u8 result[36+2];
nobukuma 0:003889bc474f 110 result[36] = '\n';
nobukuma 0:003889bc474f 111 result[37] = 0;
nobukuma 0:003889bc474f 112 int r = DoSCSI(cmd,6,DEVICE_TO_HOST,result,36);
nobukuma 0:003889bc474f 113 if (r == 0)
nobukuma 0:003889bc474f 114 printf((const char*)result + 8);
nobukuma 0:003889bc474f 115 return r;
nobukuma 0:003889bc474f 116 }
nobukuma 0:003889bc474f 117
nobukuma 0:003889bc474f 118 int SCSIReadCapacity(u32* blockCount, u32* blockSize) {
nobukuma 0:003889bc474f 119 u8 cmd[10] = {0x25,0,0,0,8,0,0,0,0,0};
nobukuma 0:003889bc474f 120 u8 result[8];
nobukuma 0:003889bc474f 121 *blockSize = 0;
nobukuma 0:003889bc474f 122 *blockCount = 0;
nobukuma 0:003889bc474f 123 int r = DoSCSI(cmd,10,DEVICE_TO_HOST,result,8);
nobukuma 0:003889bc474f 124 if (r == 0) {
nobukuma 0:003889bc474f 125 *blockCount = BE32(result);
nobukuma 0:003889bc474f 126 *blockSize = BE32(result+4);
nobukuma 0:003889bc474f 127 }
nobukuma 0:003889bc474f 128 return r;
nobukuma 0:003889bc474f 129 }
nobukuma 0:003889bc474f 130
nobukuma 0:003889bc474f 131 int SCSITransfer(u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize, int direction) {
nobukuma 0:003889bc474f 132 // USB hardware will only do 4k per transfer
nobukuma 0:003889bc474f 133 while (blockCount*blockSize > 4096) {
nobukuma 0:003889bc474f 134 int count = 4096/blockSize;
nobukuma 0:003889bc474f 135 int r = SCSITransfer(blockAddr,count,dst,blockSize,direction);
nobukuma 0:003889bc474f 136 dst += count*blockSize;
nobukuma 0:003889bc474f 137 blockAddr += count;
nobukuma 0:003889bc474f 138 blockCount -= count;
nobukuma 0:003889bc474f 139 }
nobukuma 0:003889bc474f 140
nobukuma 0:003889bc474f 141 u8 cmd[10];
nobukuma 0:003889bc474f 142 memset(cmd,0,10);
nobukuma 0:003889bc474f 143 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
nobukuma 0:003889bc474f 144 BE32(blockAddr,cmd+2);
nobukuma 0:003889bc474f 145 BE16(blockCount,cmd+7);
nobukuma 0:003889bc474f 146 return DoSCSI(cmd,10,direction,dst,blockSize*blockCount);
nobukuma 0:003889bc474f 147 }
nobukuma 0:003889bc474f 148 };
nobukuma 0:003889bc474f 149 #endif