Diff: CHAN_FS/diskio.c

Revision:

137:70853cf5a30f

Parent:

136:41a204105511

Child:

138:a2f5af85ed0d

--- a/CHAN_FS/diskio.c	Sat Jul 27 22:19:01 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,180 +0,0 @@
-/*-----------------------------------------------------------------------*/
-/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2007        */
-/*-----------------------------------------------------------------------*/
-/* This is a stub disk I/O module that acts as front end of the existing */
-/* disk I/O modules and attach it to FatFs module with common interface. */
-/*-----------------------------------------------------------------------*/
-
-#include "diskio.h"
-#include "usbhost_inc.h"
-#include "mbed.h"
-
-uint32_t _numBlks = 0;
-uint32_t _blkSize = 512;
-
-int initialise_msc();
-void print_inquiry(USB_INT08U *inqReply);
-
-
-int disk_sync() { return 0; }
-int disk_sectors() { return _numBlks; }
-
-DWORD get_fattime(void)
-{
-    time_t CurrentTimeStamp;
-    tm *CurrentLocalTime;
-    DWORD FATFSTimeCode;
-        
-    CurrentTimeStamp = time(NULL);
-    CurrentLocalTime = localtime(&CurrentTimeStamp);
-        
-        //Map the tm struct time into the FatFs time code    
-    FATFSTimeCode =  ((CurrentLocalTime->tm_year-80)<<25) | 
-                     ((CurrentLocalTime->tm_mon+1)<<21)   | 
-                     ((CurrentLocalTime->tm_mday)<<16)    | 
-                     ((CurrentLocalTime->tm_hour)<<11)    |
-                     ((CurrentLocalTime->tm_min)<<5)     | 
-                     ((CurrentLocalTime->tm_sec));
-
-   return FATFSTimeCode;
-}
-
-DSTATUS disk_status(BYTE Drive)
-{
-    return 0;
-}
-
-    
-DRESULT disk_ioctl (
-    BYTE drv,        /* Physical drive nmuber (0..) */
-    BYTE ctrl,        /* Control code */
-    void *buff        /* Buffer to send/receive control data */
-)
-{
-    DRESULT res;
-
-    switch(ctrl)
-    {
-        case CTRL_SYNC:
-             res = RES_OK;
-        break;
-    
-        case GET_SECTOR_SIZE:
-              res = RES_OK;
-            *(WORD *)buff = 512;
-        break;
-        
-        case GET_SECTOR_COUNT:
-            res = RES_OK;
-           *(DWORD *)buff = (WORD)disk_sectors();
-        break;
-        
-        case GET_BLOCK_SIZE:
-         res = RES_OK;
-          *(DWORD *)buff = 1;
-        break;
-        
-        default:
-        res = RES_OK;
-        break;
-    }
-    return res;
-}
-
-DSTATUS disk_initialize(BYTE Drive) {
-
-    if ( initialise_msc() != OK )
-        return 1;
-    return 0;
-}
-
-DRESULT disk_write(BYTE Drive,const BYTE * Buffer, DWORD SectorNumber, BYTE SectorCount)
-{
-   if ( OK == MS_BulkSend(SectorNumber, SectorCount, (USB_INT08U *)Buffer) )
-        return RES_OK;
-    return RES_ERROR;    
-}
-
-DRESULT disk_read(BYTE Drive, BYTE * Buffer,DWORD SectorNumber, BYTE SectorCount)
-{        
-    if ( OK == MS_BulkRecv(SectorNumber, SectorCount, (USB_INT08U *)Buffer) )
-        return RES_OK;
-    return RES_ERROR;
-}
-
-
-
-
-
-void print_inquiry(USB_INT08U *inqReply)
-{
-    // see USB Mass Storage Class &#65533; UFI Command Specification,
-    // 4.2 INQUIRY Command
-    printf("Inquiry reply:\n"); 
-    uint8_t tmp = inqReply[0]&0x1F;
-    printf("Peripheral device type: %02Xh\n", tmp);
-    if ( tmp == 0 )
-        printf("\t- Direct access (floppy)\n");
-    else if ( tmp == 0x1F )
-        printf("\t- none (no FDD connected)\n");
-    else
-        printf("\t- unknown type\n");
-    tmp = inqReply[1] >> 7;
-    printf("Removable Media Bit: %d\n", tmp);
-    tmp = inqReply[2] & 3;
-    printf("ANSI Version: %02Xh\n", tmp);
-    if ( tmp != 0 )
-        printf("\t- warning! must be 0\n");
-    tmp = (inqReply[2]>>3) & 3;
-    printf("ECMA Version: %02Xh\n", tmp);
-    if ( tmp != 0 )
-        printf("\t- warning! should be 0\n");
-    tmp = inqReply[2]>>6;
-    printf("ISO Version: %02Xh\n", tmp);
-    if ( tmp != 0 )
-        printf("\t- warning! should be 0\n");
-    tmp = inqReply[3] & 0xF;
-    printf("Response Data Format: %02Xh\n", tmp);
-    if ( tmp != 1 )
-        printf("\t- warning! should be 1\n");
-    tmp = inqReply[4];
-    printf("Additional length: %02Xh\n", tmp);
-    if ( tmp != 0x1F )
-        printf("\t- warning! should be 1Fh\n");
-    printf("Vendor Information: '%.8s'\n", &inqReply[8]);
-    printf("Product Identification: '%.16s'\n", &inqReply[16]);
-    printf("Product Revision: '%.4s'\n", &inqReply[32]);        
-}
-
-
-
-int initialise_msc()
-{
-    USB_INT32S  rc;
-    USB_INT08U  inquiryResult[INQUIRY_LENGTH];
-    
-    //print_clock();
-    Host_Init();               /* Initialize the  host controller                                    */
-    rc = Host_EnumDev();       /* Enumerate the device connected                                            */
-    if (rc != OK)
-    {
-        fprintf(stderr, "Could not enumerate device: %d\n", rc);
-        return rc;
-    }
-        
-    
-    /* Initialize the mass storage and scsi interfaces */
-    rc = MS_Init( &_blkSize, &_numBlks, inquiryResult );
-    if (rc != OK)
-    {
-        fprintf(stderr, "Could not initialize mass storage interface: %d\n", rc);
-        return rc;
-    }
-    printf("Successfully initialized mass storage interface; %d blocks of size %d\n", _numBlks, _blkSize);
-    print_inquiry(inquiryResult);
-    // FATFileSystem supports only 512-byte blocks
-    return _blkSize == 512 ? OK : 1;
-}
-
-
-