File content as of revision 0:fdc81fb10bd5:

#include "MSCFileSystem.h"
#include "usbhost_inc.h"

#define EN_On         1
#define EN_Off        0
/*
MSCFileSystem::MSCFileSystem(PinName host, const char* name)
        :_host(host), FATFileSystem(name) 
        {
    _host = EN_On ;
}*/
MSCFileSystem::MSCFileSystem(const char* name) :
        FATFileSystem(name) {
}

void print_inquiry(USB_INT08U *inqReply) {
    // see USB Mass Storage Class � 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 MSCFileSystem::initialise_msc() {
    //_host = EN_On ;//
    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
    //_host = EN_Off ;
    return _blkSize == 512 ? OK : 1;
}

int MSCFileSystem::disk_initialize() {
    //_host = EN_On ;
    if ( initialise_msc() != OK ) {
        //_host = EN_Off ;
        return 1;
    } else {
        //_host = EN_Off ;
        return 0;
    }
}

int MSCFileSystem::disk_write(const char *buffer, int block_number) {
    //_host = EN_On ;
    if ( OK == MS_BulkSend(block_number, 1, (USB_INT08U *)buffer) ) {
        //_host = EN_Off ;
        return 0;
    } else {
        //_host = EN_Off ;
        return 1;
    }
}

int MSCFileSystem::disk_read(char *buffer, int block_number) {
    //_host = EN_On ;
    if ( OK == MS_BulkRecv(block_number, 1, (USB_INT08U *)buffer) ) {
        //_host = EN_Off ;
        return 0;
    } else {
        //_host = EN_Off ;
        return 1;
    }
}

int MSCFileSystem::disk_status() {
    //_host = EN_On ;
    //_host = EN_Off ;
    return 0;

}
int MSCFileSystem::disk_sync() {
    //_host = EN_On ;
    //_host = EN_Off ;
    return 0;

}
int MSCFileSystem::disk_sectors() {
    //_host = EN_On ;
    //_host = EN_Off ;
    return 0;
}