Sami Alshorman / Mbed 2 deprecated BluetoothNONIN

Pulse Oximeter (NONIN) communicates with mbed via Bluetooth dongle and sends Heart Rate and Oxygen Saturation via GPRS module

Dependencies:   C12832 GPS GSM mbed

Fork of myBlueUSB_localfix by Nobuaki Aoki

myUSBHost/MassStorage.h@3:55a622e3dbb5, 2015-04-14 (annotated)

Committer:
samialshorman
Date:
Tue Apr 14 21:48:07 2015 +0000
Revision:
3:55a622e3dbb5
Parent:
0:003889bc474f 
Nonin (Pulse Oximeter) connected to mbed lpc 1768 by Bluetooth dongle and sends SMS including Heart Rate and Oxygen saturation by GPRS module

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