Tick Tock / Mbed 2 deprecated CANary_9341

Dual CANbus monitor and instrumentation cluster supporting ILI9341 display controller

Dependencies:   SPI_TFTx2_ILI9341 TOUCH_TFTx2_ILI9341 TFT_fonts mbed

Fork of CANary by Tick Tock

CHAN_FS/diskio.cpp@189:439e113fec1c, 2014-05-17 (annotated)

Committer:
TickTock
Date:
Sat May 17 13:53:16 2014 +0000
Revision:
189:439e113fec1c
Parent:
137:70853cf5a30f 
renamed libraries to avoid conflict with originals

Who changed what in which revision?

UserRevisionLine numberNew contents of line
TickTock 109:3e6f0e8fca0d 1 /*-----------------------------------------------------------------------*/
TickTock 109:3e6f0e8fca0d 2 /* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */
TickTock 109:3e6f0e8fca0d 3 /*-----------------------------------------------------------------------*/
TickTock 109:3e6f0e8fca0d 4 /* This is a stub disk I/O module that acts as front end of the existing */
TickTock 109:3e6f0e8fca0d 5 /* disk I/O modules and attach it to FatFs module with common interface. */
TickTock 109:3e6f0e8fca0d 6 /*-----------------------------------------------------------------------*/
TickTock 109:3e6f0e8fca0d 7
TickTock 109:3e6f0e8fca0d 8 #include "diskio.h"
TickTock 109:3e6f0e8fca0d 9 #include "usbhost_inc.h"
TickTock 109:3e6f0e8fca0d 10 #include "mbed.h"
TickTock 109:3e6f0e8fca0d 11
TickTock 109:3e6f0e8fca0d 12 uint32_t _numBlks = 0;
TickTock 109:3e6f0e8fca0d 13 uint32_t _blkSize = 512;
TickTock 109:3e6f0e8fca0d 14
TickTock 109:3e6f0e8fca0d 15 int initialise_msc();
TickTock 109:3e6f0e8fca0d 16 void print_inquiry(USB_INT08U *inqReply);
TickTock 109:3e6f0e8fca0d 17
TickTock 109:3e6f0e8fca0d 18
TickTock 109:3e6f0e8fca0d 19 int disk_sync() { return 0; }
TickTock 109:3e6f0e8fca0d 20 int disk_sectors() { return _numBlks; }
TickTock 109:3e6f0e8fca0d 21
TickTock 109:3e6f0e8fca0d 22 DWORD get_fattime(void)
TickTock 109:3e6f0e8fca0d 23 {
TickTock 109:3e6f0e8fca0d 24 time_t CurrentTimeStamp;
TickTock 109:3e6f0e8fca0d 25 tm *CurrentLocalTime;
TickTock 109:3e6f0e8fca0d 26 DWORD FATFSTimeCode;
TickTock 109:3e6f0e8fca0d 27
TickTock 109:3e6f0e8fca0d 28 CurrentTimeStamp = time(NULL);
TickTock 109:3e6f0e8fca0d 29 CurrentLocalTime = localtime(&CurrentTimeStamp);
TickTock 109:3e6f0e8fca0d 30
TickTock 109:3e6f0e8fca0d 31 //Map the tm struct time into the FatFs time code
TickTock 109:3e6f0e8fca0d 32 FATFSTimeCode = ((CurrentLocalTime->tm_year-80)<<25) |
TickTock 109:3e6f0e8fca0d 33 ((CurrentLocalTime->tm_mon+1)<<21) |
TickTock 109:3e6f0e8fca0d 34 ((CurrentLocalTime->tm_mday)<<16) |
TickTock 109:3e6f0e8fca0d 35 ((CurrentLocalTime->tm_hour)<<11) |
TickTock 109:3e6f0e8fca0d 36 ((CurrentLocalTime->tm_min)<<5) |
TickTock 109:3e6f0e8fca0d 37 ((CurrentLocalTime->tm_sec));
TickTock 109:3e6f0e8fca0d 38
TickTock 109:3e6f0e8fca0d 39 return FATFSTimeCode;
TickTock 109:3e6f0e8fca0d 40 }
TickTock 109:3e6f0e8fca0d 41
TickTock 109:3e6f0e8fca0d 42 DSTATUS disk_status(BYTE Drive)
TickTock 109:3e6f0e8fca0d 43 {
TickTock 109:3e6f0e8fca0d 44 return 0;
TickTock 109:3e6f0e8fca0d 45 }
TickTock 109:3e6f0e8fca0d 46
TickTock 109:3e6f0e8fca0d 47
TickTock 109:3e6f0e8fca0d 48 DRESULT disk_ioctl (
TickTock 109:3e6f0e8fca0d 49 BYTE drv, /* Physical drive nmuber (0..) */
TickTock 109:3e6f0e8fca0d 50 BYTE ctrl, /* Control code */
TickTock 109:3e6f0e8fca0d 51 void *buff /* Buffer to send/receive control data */
TickTock 109:3e6f0e8fca0d 52 )
TickTock 109:3e6f0e8fca0d 53 {
TickTock 109:3e6f0e8fca0d 54 DRESULT res;
TickTock 109:3e6f0e8fca0d 55
TickTock 109:3e6f0e8fca0d 56 switch(ctrl)
TickTock 109:3e6f0e8fca0d 57 {
TickTock 109:3e6f0e8fca0d 58 case CTRL_SYNC:
TickTock 109:3e6f0e8fca0d 59 res = RES_OK;
TickTock 109:3e6f0e8fca0d 60 break;
TickTock 109:3e6f0e8fca0d 61
TickTock 109:3e6f0e8fca0d 62 case GET_SECTOR_SIZE:
TickTock 109:3e6f0e8fca0d 63 res = RES_OK;
TickTock 109:3e6f0e8fca0d 64 *(WORD *)buff = 512;
TickTock 109:3e6f0e8fca0d 65 break;
TickTock 109:3e6f0e8fca0d 66
TickTock 109:3e6f0e8fca0d 67 case GET_SECTOR_COUNT:
TickTock 109:3e6f0e8fca0d 68 res = RES_OK;
TickTock 109:3e6f0e8fca0d 69 *(DWORD *)buff = (WORD)disk_sectors();
TickTock 109:3e6f0e8fca0d 70 break;
TickTock 109:3e6f0e8fca0d 71
TickTock 109:3e6f0e8fca0d 72 case GET_BLOCK_SIZE:
TickTock 109:3e6f0e8fca0d 73 res = RES_OK;
TickTock 109:3e6f0e8fca0d 74 *(DWORD *)buff = 1;
TickTock 109:3e6f0e8fca0d 75 break;
TickTock 109:3e6f0e8fca0d 76
TickTock 109:3e6f0e8fca0d 77 default:
TickTock 109:3e6f0e8fca0d 78 res = RES_OK;
TickTock 109:3e6f0e8fca0d 79 break;
TickTock 109:3e6f0e8fca0d 80 }
TickTock 109:3e6f0e8fca0d 81 return res;
TickTock 109:3e6f0e8fca0d 82 }
TickTock 109:3e6f0e8fca0d 83
TickTock 109:3e6f0e8fca0d 84 DSTATUS disk_initialize(BYTE Drive) {
TickTock 109:3e6f0e8fca0d 85
TickTock 109:3e6f0e8fca0d 86 if ( initialise_msc() != OK )
TickTock 109:3e6f0e8fca0d 87 return 1;
TickTock 109:3e6f0e8fca0d 88 return 0;
TickTock 109:3e6f0e8fca0d 89 }
TickTock 109:3e6f0e8fca0d 90
TickTock 109:3e6f0e8fca0d 91 DRESULT disk_write(BYTE Drive,const BYTE * Buffer, DWORD SectorNumber, BYTE SectorCount)
TickTock 109:3e6f0e8fca0d 92 {
TickTock 109:3e6f0e8fca0d 93 if ( OK == MS_BulkSend(SectorNumber, SectorCount, (USB_INT08U *)Buffer) )
TickTock 109:3e6f0e8fca0d 94 return RES_OK;
TickTock 109:3e6f0e8fca0d 95 return RES_ERROR;
TickTock 109:3e6f0e8fca0d 96 }
TickTock 109:3e6f0e8fca0d 97
TickTock 109:3e6f0e8fca0d 98 DRESULT disk_read(BYTE Drive, BYTE * Buffer,DWORD SectorNumber, BYTE SectorCount)
TickTock 109:3e6f0e8fca0d 99 {
TickTock 109:3e6f0e8fca0d 100 if ( OK == MS_BulkRecv(SectorNumber, SectorCount, (USB_INT08U *)Buffer) )
TickTock 109:3e6f0e8fca0d 101 return RES_OK;
TickTock 109:3e6f0e8fca0d 102 return RES_ERROR;
TickTock 109:3e6f0e8fca0d 103 }
TickTock 109:3e6f0e8fca0d 104
TickTock 109:3e6f0e8fca0d 105
TickTock 109:3e6f0e8fca0d 106
TickTock 109:3e6f0e8fca0d 107
TickTock 109:3e6f0e8fca0d 108
TickTock 109:3e6f0e8fca0d 109 void print_inquiry(USB_INT08U *inqReply)
TickTock 109:3e6f0e8fca0d 110 {
TickTock 109:3e6f0e8fca0d 111 // see USB Mass Storage Class &#65533; UFI Command Specification,
TickTock 109:3e6f0e8fca0d 112 // 4.2 INQUIRY Command
TickTock 109:3e6f0e8fca0d 113 printf("Inquiry reply:\n");
TickTock 109:3e6f0e8fca0d 114 uint8_t tmp = inqReply[0]&0x1F;
TickTock 109:3e6f0e8fca0d 115 printf("Peripheral device type: %02Xh\n", tmp);
TickTock 109:3e6f0e8fca0d 116 if ( tmp == 0 )
TickTock 109:3e6f0e8fca0d 117 printf("\t- Direct access (floppy)\n");
TickTock 109:3e6f0e8fca0d 118 else if ( tmp == 0x1F )
TickTock 109:3e6f0e8fca0d 119 printf("\t- none (no FDD connected)\n");
TickTock 109:3e6f0e8fca0d 120 else
TickTock 109:3e6f0e8fca0d 121 printf("\t- unknown type\n");
TickTock 109:3e6f0e8fca0d 122 tmp = inqReply[1] >> 7;
TickTock 109:3e6f0e8fca0d 123 printf("Removable Media Bit: %d\n", tmp);
TickTock 109:3e6f0e8fca0d 124 tmp = inqReply[2] & 3;
TickTock 109:3e6f0e8fca0d 125 printf("ANSI Version: %02Xh\n", tmp);
TickTock 109:3e6f0e8fca0d 126 if ( tmp != 0 )
TickTock 109:3e6f0e8fca0d 127 printf("\t- warning! must be 0\n");
TickTock 109:3e6f0e8fca0d 128 tmp = (inqReply[2]>>3) & 3;
TickTock 109:3e6f0e8fca0d 129 printf("ECMA Version: %02Xh\n", tmp);
TickTock 109:3e6f0e8fca0d 130 if ( tmp != 0 )
TickTock 109:3e6f0e8fca0d 131 printf("\t- warning! should be 0\n");
TickTock 109:3e6f0e8fca0d 132 tmp = inqReply[2]>>6;
TickTock 109:3e6f0e8fca0d 133 printf("ISO Version: %02Xh\n", tmp);
TickTock 109:3e6f0e8fca0d 134 if ( tmp != 0 )
TickTock 109:3e6f0e8fca0d 135 printf("\t- warning! should be 0\n");
TickTock 109:3e6f0e8fca0d 136 tmp = inqReply[3] & 0xF;
TickTock 109:3e6f0e8fca0d 137 printf("Response Data Format: %02Xh\n", tmp);
TickTock 109:3e6f0e8fca0d 138 if ( tmp != 1 )
TickTock 109:3e6f0e8fca0d 139 printf("\t- warning! should be 1\n");
TickTock 109:3e6f0e8fca0d 140 tmp = inqReply[4];
TickTock 109:3e6f0e8fca0d 141 printf("Additional length: %02Xh\n", tmp);
TickTock 109:3e6f0e8fca0d 142 if ( tmp != 0x1F )
TickTock 109:3e6f0e8fca0d 143 printf("\t- warning! should be 1Fh\n");
TickTock 109:3e6f0e8fca0d 144 printf("Vendor Information: '%.8s'\n", &inqReply[8]);
TickTock 109:3e6f0e8fca0d 145 printf("Product Identification: '%.16s'\n", &inqReply[16]);
TickTock 109:3e6f0e8fca0d 146 printf("Product Revision: '%.4s'\n", &inqReply[32]);
TickTock 109:3e6f0e8fca0d 147 }
TickTock 109:3e6f0e8fca0d 148
TickTock 109:3e6f0e8fca0d 149
TickTock 109:3e6f0e8fca0d 150
TickTock 109:3e6f0e8fca0d 151 int initialise_msc()
TickTock 109:3e6f0e8fca0d 152 {
TickTock 109:3e6f0e8fca0d 153 USB_INT32S rc;
TickTock 109:3e6f0e8fca0d 154 USB_INT08U inquiryResult[INQUIRY_LENGTH];
TickTock 109:3e6f0e8fca0d 155
TickTock 109:3e6f0e8fca0d 156 //print_clock();
TickTock 109:3e6f0e8fca0d 157 Host_Init(); /* Initialize the host controller */
TickTock 109:3e6f0e8fca0d 158 rc = Host_EnumDev(); /* Enumerate the device connected */
TickTock 109:3e6f0e8fca0d 159 if (rc != OK)
TickTock 109:3e6f0e8fca0d 160 {
TickTock 109:3e6f0e8fca0d 161 fprintf(stderr, "Could not enumerate device: %d\n", rc);
TickTock 109:3e6f0e8fca0d 162 return rc;
TickTock 109:3e6f0e8fca0d 163 }
TickTock 109:3e6f0e8fca0d 164
TickTock 109:3e6f0e8fca0d 165
TickTock 109:3e6f0e8fca0d 166 /* Initialize the mass storage and scsi interfaces */
TickTock 109:3e6f0e8fca0d 167 rc = MS_Init( &_blkSize, &_numBlks, inquiryResult );
TickTock 109:3e6f0e8fca0d 168 if (rc != OK)
TickTock 109:3e6f0e8fca0d 169 {
TickTock 109:3e6f0e8fca0d 170 fprintf(stderr, "Could not initialize mass storage interface: %d\n", rc);
TickTock 109:3e6f0e8fca0d 171 return rc;
TickTock 109:3e6f0e8fca0d 172 }
TickTock 109:3e6f0e8fca0d 173 printf("Successfully initialized mass storage interface; %d blocks of size %d\n", _numBlks, _blkSize);
TickTock 109:3e6f0e8fca0d 174 print_inquiry(inquiryResult);
TickTock 109:3e6f0e8fca0d 175 // FATFileSystem supports only 512-byte blocks
TickTock 109:3e6f0e8fca0d 176 return _blkSize == 512 ? OK : 1;
TickTock 109:3e6f0e8fca0d 177 }
TickTock 109:3e6f0e8fca0d 178
TickTock 109:3e6f0e8fca0d 179
TickTock 109:3e6f0e8fca0d 180