USBMSD SD card Hello World for Mbed platforms

Dependencies:   mbed USBMSD_SD USBDevice

Files at this revision

API Documentation at this revision

Comitter:
samux
Date:
Mon Dec 05 14:34:29 2011 +0000
Parent:
12:a12eb1fc05f3
Child:
14:757226626acb
Commit message:
big cleaning up. all is working!!!

Changed in this revision

ChaNFSSD/SDFileSystem.cpp Show annotated file Show diff for this revision Revisions of this file
ChaNFSSD/SDFileSystem.h Show annotated file Show diff for this revision Revisions of this file
USBMSD/USBMSD.cpp Show diff for this revision Revisions of this file
USBMSD/USBMSD.h Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
--- a/ChaNFSSD/SDFileSystem.cpp	Wed Nov 30 17:50:35 2011 +0000
+++ b/ChaNFSSD/SDFileSystem.cpp	Mon Dec 05 14:34:29 2011 +0000
@@ -208,7 +208,7 @@
         return 1;
     }
         
-    _spi.frequency(1000000); // Set to 1MHz for data transfer
+    _spi.frequency(5000000); // Set to 5MHz for data transfer
     return 0;
 }
 
@@ -439,19 +439,24 @@
         fprintf(stderr, "This disk tastes funny! I only know about type 0 CSD structures\n");
         return 0;
     }
-             
+
     // memory capacity = BLOCKNR * BLOCK_LEN
     // where
     //  BLOCKNR = (C_SIZE+1) * MULT
     //  MULT = 2^(C_SIZE_MULT+2) (C_SIZE_MULT < 8)
     //  BLOCK_LEN = 2^READ_BL_LEN, (READ_BL_LEN < 12)         
-                            
+
     int block_len = 1 << read_bl_len;
     int mult = 1 << (c_size_mult + 2);
     int blocknr = (c_size + 1) * mult;
-    int capacity = blocknr * block_len;
-        
+    capacity = blocknr * block_len;
+
     int blocks = capacity / 512;
         
     return blocks;
 }
+
+
+int SDFileSystem::disk_size() {
+    return capacity;
+}
--- a/ChaNFSSD/SDFileSystem.h	Wed Nov 30 17:50:35 2011 +0000
+++ b/ChaNFSSD/SDFileSystem.h	Mon Dec 05 14:34:29 2011 +0000
@@ -59,6 +59,7 @@
     virtual int disk_status();
     virtual int disk_sync();
     virtual int disk_sectors();
+    virtual int disk_size();
 
 protected:
 
@@ -75,6 +76,8 @@
     int _sd_sectors();
     int _sectors;
     
+    int capacity;
+    
     SPI _spi;
     DigitalOut _cs;     
 };
--- a/USBMSD/USBMSD.cpp	Wed Nov 30 17:50:35 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,615 +0,0 @@
-// USBMSD.cpp
-// USB mass storage device example
-// Copyright (c) 2011 ARM Limited. All rights reserved.
-
-#include "stdint.h"
-#include "USBMSD.h"
-#include "USBBusInterface.h"
-
-#define CBW_Signature               0x43425355
-#define CSW_Signature               0x53425355
-
-// SCSI Commands
-#define TEST_UNIT_READY            0x00
-#define REQUEST_SENSE              0x03
-#define FORMAT_UNIT                0x04
-#define INQUIRY                    0x12
-#define MODE_SELECT6               0x15
-#define MODE_SENSE6                0x1A
-#define START_STOP_UNIT            0x1B
-#define MEDIA_REMOVAL              0x1E
-#define READ_FORMAT_CAPACITIES     0x23
-#define READ_CAPACITY              0x25
-#define READ10                     0x28
-#define WRITE10                    0x2A
-#define VERIFY10                   0x2F
-#define READ12                     0xA8
-#define WRITE12                    0xAA
-#define MODE_SELECT10              0x55
-#define MODE_SENSE10               0x5A
-
-// MSC class specific requests
-#define MSC_REQUEST_RESET               0xFF
-#define MSC_REQUEST_GET_MAX_LUN         0xFE
-
-#define DEFAULT_CONFIGURATION (1)
-
-// Max In/Out Packet Size on the bulk endpoint */
-#define MAX_PACKET  MAX_PACKET_SIZE_EPBULK
-
-// CSW Status
-enum Status {
-    CSW_PASSED,
-    CSW_FAILED,
-    CSW_ERROR,
-};
-
-
-USBMSD::USBMSD(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) {
-}
-
-
-DigitalOut l2(LED2);
-// Called in ISR context to process a class specific request
-bool USBMSD::USBCallback_request(void) {
-
-    bool success = false;
-    CONTROL_TRANSFER * transfer = getTransferPtr();
-
-    if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
-        switch (transfer->setup.bRequest) {
-            case MSC_REQUEST_RESET:
-                reset();
-                success = true;
-                break;
-            case MSC_REQUEST_GET_MAX_LUN:
-                transfer->remaining = 1;
-                transfer->ptr = getMaxLUN();
-                transfer->direction = DEVICE_TO_HOST;
-                success = true;
-                break;
-            default:
-                break;
-        }
-    }
-
-    return success;
-}
-
-
-bool USBMSD::connect() {
-
-    //disk initialization
-    disk_initialize();
-
-    // get block size
-    BlockSize = 512;
-    if (BlockSize != 0) {
-        page = (uint8_t *)malloc(BlockSize * sizeof(uint8_t));
-        if (page == NULL)
-            return false;
-    }
-
-    BlockCount = disk_sectors();
-    
-    //get memory size
-    MemorySize = BlockCount * BlockSize;
-    if (!MemorySize) {
-        return false;
-    }
-
-    //connect the device
-    USBDevice::connect();
-    return true;
-}
-
-
-void USBMSD::reset() {
-    stage = READ_CBW;
-}
-
-uint8_t * USBMSD::getMaxLUN() {
-    static uint8_t LUN[] = {0};
-    return LUN;
-}
-
-// Called in ISR context called when a data is received
-bool USBMSD::EP2_OUT_callback() {
-    uint16_t size = 0;
-    uint8_t buf[MAX_PACKET_SIZE_EPBULK];
-    readEP(EPBULK_OUT, buf, &size, MAX_PACKET_SIZE_EPBULK);
-    switch (stage) {
-            // the device has to decode the CBW received
-        case READ_CBW:
-            CBWDecode(buf, size);
-            break;
-
-            // the device has to receive data from the host
-        case PROCESS_CBW:
-            switch (cbw.CB[0]) {
-                case WRITE10:
-                case WRITE12:
-                    memoryWrite(buf, size);
-                    break;
-                case VERIFY10:
-                    memoryVerify(buf, size);
-                    break;
-            }
-            break;
-
-            // an error has occured: stall endpoint and send CSW
-        default:
-            stallEndpoint(EPBULK_OUT);
-            csw.Status = CSW_ERROR;
-            sendCSW();
-            break;
-    }
-
-    //reactivate readings on the OUT bulk endpoint
-    readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
-    return true;
-}
-
-// Called in ISR context when a data has been transferred
-bool USBMSD::EP2_IN_callback() {
-    switch (stage) {
-
-            // the device has to send data to the host
-        case PROCESS_CBW:
-            switch (cbw.CB[0]) {
-                case READ10:
-                case READ12:
-                    memoryRead();
-                    break;
-            }
-            break;
-
-            //the device has to send a CSW
-        case SEND_CSW:
-            sendCSW();
-            break;
-
-            // an error has occured
-        case ERROR:
-            stallEndpoint(EPBULK_IN);
-            sendCSW();
-            break;
-
-            // the host has received the CSW -> we wait a CBW
-        case WAIT_CSW:
-            stage = READ_CBW;
-            break;
-    }
-    return true;
-}
-
-
-void USBMSD::memoryWrite (uint8_t * buf, uint16_t size) {
-
-    if ((addr + size) > MemorySize) {
-        size = MemorySize - addr;
-        stage = ERROR;
-        stallEndpoint(EPBULK_OUT);
-    }
-
-    // we fill an array in RAM of 1 block before writing it in memory
-    for (int i = 0; i < size; i++)
-        page[addr%BlockSize + i] = buf[i];
-
-    // if the array is filled, write it in memory
-    if (!((addr + size)%BlockSize))
-        disk_write((const char *)page, addr/BlockSize);
-
-    addr += size;
-    length -= size;
-    csw.DataResidue -= size;
-
-    if ((!length) || (stage != PROCESS_CBW)) {
-        csw.Status = (stage == ERROR) ? CSW_FAILED : CSW_PASSED;
-        sendCSW();
-    }
-}
-
-void USBMSD::memoryVerify (uint8_t * buf, uint16_t size) {
-    uint32_t n;
-
-    if ((addr + size) > MemorySize) {
-        size = MemorySize - addr;
-        stage = ERROR;
-        stallEndpoint(EPBULK_OUT);
-    }
-
-    // beginning of a new block -> load a whole block in RAM
-    if (!(addr%BlockSize))
-        disk_read((char *)page, addr/BlockSize);
-
-    // info are in RAM -> no need to re-read memory
-    for (n = 0; n < size; n++) {
-        if (page[addr%BlockSize + n] != buf[n]) {
-            memOK = false;
-            break;
-        }
-    }
-
-    addr += size;
-    length -= size;
-    csw.DataResidue -= size;
-
-    if ( !length || (stage != PROCESS_CBW)) {
-        csw.Status = (memOK && (stage == PROCESS_CBW)) ? CSW_PASSED : CSW_FAILED;
-        sendCSW();
-    }
-}
-
-
-bool USBMSD::inquiryRequest (void) {
-    uint8_t inquiry[] = { 0x00, 0x80, 0x00, 0x01,
-                          36 - 4, 0x80, 0x00, 0x00,
-                          'M', 'B', 'E', 'D', '.', 'O', 'R', 'G',
-                          'M', 'B', 'E', 'D', ' ', 'U', 'S', 'B', ' ', 'D', 'I', 'S', 'K', ' ', ' ', ' ',
-                          '1', '.', '0', ' ',
-                        };
-    if (!write(inquiry, sizeof(inquiry))) {
-        return false;
-    }
-    return true;
-}
-
-
-bool USBMSD::readFormatCapacity() {
-    uint8_t capacity[] = { 0x00, 0x00, 0x00, 0x08,
-                           (BlockCount >> 24) & 0xff,
-                           (BlockCount >> 16) & 0xff,
-                           (BlockCount >> 8) & 0xff,
-                           (BlockCount >> 0) & 0xff,
-
-                           0x02,
-                           (BlockSize >> 16) & 0xff,
-                           (BlockSize >> 8) & 0xff,
-                           (BlockSize >> 0) & 0xff,
-                         };
-    if (!write(capacity, sizeof(capacity))) {
-        return false;
-    }
-    return true;
-}
-
-
-bool USBMSD::readCapacity (void) {
-    uint8_t capacity[] = {
-        ((BlockCount - 1) >> 24) & 0xff,
-        ((BlockCount - 1) >> 16) & 0xff,
-        ((BlockCount - 1) >> 8) & 0xff,
-        ((BlockCount - 1) >> 0) & 0xff,
-
-        (BlockSize >> 24) & 0xff,
-        (BlockSize >> 16) & 0xff,
-        (BlockSize >> 8) & 0xff,
-        (BlockSize >> 0) & 0xff,
-    };
-    if (!write(capacity, sizeof(capacity))) {
-        return false;
-    }
-    return true;
-}
-
-bool USBMSD::write (uint8_t * buf, uint16_t size) {
-
-    if (size >= cbw.DataLength) {
-        size = cbw.DataLength;
-    }
-    stage = SEND_CSW;
-
-    if (!writeNB(EPBULK_IN, buf, size, MAX_PACKET_SIZE_EPBULK)) {
-        return false;
-    }
-
-    csw.DataResidue -= size;
-    csw.Status = CSW_PASSED;
-    return true;
-}
-
-
-bool USBMSD::modeSense6 (void) {
-    uint8_t sense6[] = { 0x03, 0x00, 0x00, 0x00 };
-    if (!write(sense6, sizeof(sense6))) {
-        return false;
-    }
-    return true;
-}
-
-void USBMSD::sendCSW() {
-    csw.Signature = CSW_Signature;
-    writeNB(EPBULK_IN, (uint8_t *)&csw, sizeof(CSW), MAX_PACKET_SIZE_EPBULK);
-    stage = WAIT_CSW;
-}
-
-bool USBMSD::requestSense (void) {
-    uint8_t request_sense[] = {
-        0x70,   // Response Code
-        0x00,
-        0x05,   // Sense Key: illegal request
-        0x00,
-        0x00,
-        0x00,
-        0x00,
-        0x0A,   // Additional Length
-        0x00,
-        0x00,
-        0x00,
-        0x00,
-        0x30,   // ASC
-        0x01,   // ASCQ
-        0x00,
-        0x00,
-        0x00,
-        0x00,
-    };
-
-    if (!write(request_sense, sizeof(request_sense))) {
-        return false;
-    }
-
-    return true;
-}
-
-void USBMSD::fail() {
-    csw.Status = CSW_FAILED;
-    sendCSW();
-}
-
-DigitalOut l1(LED1);
-void USBMSD::CBWDecode(uint8_t * buf, uint16_t size) {
-    if (size == sizeof(cbw)) {
-        memcpy((uint8_t *)&cbw, buf, size);
-        if (cbw.Signature == CBW_Signature) {
-            csw.Tag = cbw.Tag;
-            csw.DataResidue = cbw.DataLength;
-            if ((cbw.CBLength <  1) || (cbw.CBLength > 16) ) {
-                fail();
-            } else {
-                switch (cbw.CB[0]) {
-                    case TEST_UNIT_READY:
-                        testUnitReady();
-                        break;
-                    case REQUEST_SENSE:
-                        requestSense();
-                        break;
-                    case INQUIRY:
-                        inquiryRequest();
-                        break;
-                    case MODE_SENSE6:
-                        modeSense6();
-                        break;
-                    case READ_FORMAT_CAPACITIES:
-                        readFormatCapacity();
-                        break;
-                    case READ_CAPACITY:
-                        readCapacity();
-                        break;
-                    case READ10:
-                    case READ12:
-                        if (infoTransfer()) {
-                            if ((cbw.Flags & 0x80)) {
-                                stage = PROCESS_CBW;
-                                memoryRead();
-                            } else {
-                                stallEndpoint(EPBULK_OUT);
-                                csw.Status = CSW_ERROR;
-                                sendCSW();
-                            }
-                        }
-                        break;
-                    case WRITE10:
-                    case WRITE12:
-                        if (infoTransfer()) {
-                            if (!(cbw.Flags & 0x80)) {
-                                stage = PROCESS_CBW;
-                            } else {
-                                stallEndpoint(EPBULK_IN);
-                                csw.Status = CSW_ERROR;
-                                sendCSW();
-                            }
-                        }
-                        break;
-                    case VERIFY10:
-                        if (!(cbw.CB[1] & 0x02)) {
-                            csw.Status = CSW_PASSED;
-                            sendCSW();
-                            break;
-                        }
-                        if (infoTransfer()) {
-                            if (!(cbw.Flags & 0x80)) {
-                                stage = PROCESS_CBW;
-                                memOK = true;
-                            } else {
-                                stallEndpoint(EPBULK_IN);
-                                csw.Status = CSW_ERROR;
-                                sendCSW();
-                            }
-                        }
-                        break;
-                    default:
-                        fail();
-                        break;
-                }
-            }
-        }
-    }
-}
-
-void USBMSD::testUnitReady (void) {
-
-    if (cbw.DataLength != 0) {
-        if ((cbw.Flags & 0x80) != 0) {
-            stallEndpoint(EPBULK_IN);
-        } else {
-            stallEndpoint(EPBULK_OUT);
-        }
-    }
-
-    csw.Status = CSW_PASSED;
-    sendCSW();
-}
-
-
-void USBMSD::memoryRead (void) {
-    uint32_t n;
-
-    n = (length > MAX_PACKET) ? MAX_PACKET : length;
-
-    if ((addr + n) > MemorySize) {
-        n = MemorySize - addr;
-        stage = ERROR;
-    }
-
-    // we read an entire block
-    if (!(addr%BlockSize))
-        disk_read((char *)page, addr/BlockSize);
-
-    // write data which are in RAM
-    writeNB(EPBULK_IN, &page[addr%BlockSize], n, MAX_PACKET_SIZE_EPBULK);
-
-    addr += n;
-    length -= n;
-
-    csw.DataResidue -= n;
-
-    if ( !length || (stage != PROCESS_CBW)) {
-        csw.Status = (stage == PROCESS_CBW) ? CSW_PASSED : CSW_FAILED;
-        sendCSW();
-    }
-}
-
-
-bool USBMSD::infoTransfer (void) {
-    uint32_t n;
-
-    // Logical Block Address of First Block
-    n = (cbw.CB[2] << 24) | (cbw.CB[3] << 16) | (cbw.CB[4] <<  8) | (cbw.CB[5] <<  0);
-
-    addr = n * BlockSize;
-
-    // Number of Blocks to transfer
-    switch (cbw.CB[0]) {
-        case READ10:
-        case WRITE10:
-        case VERIFY10:
-            n = (cbw.CB[7] <<  8) | (cbw.CB[8] <<  0);
-            break;
-
-        case READ12:
-        case WRITE12:
-            n = (cbw.CB[6] << 24) | (cbw.CB[7] << 16) | (cbw.CB[8] <<  8) | (cbw.CB[9] <<  0);
-            break;
-    }
-
-    length = n * BlockSize;
-
-    if (!cbw.DataLength) {              // host requests no data
-        csw.Status = CSW_FAILED;
-        sendCSW();
-        return false;
-    }
-
-    if (cbw.DataLength != length) {
-        if ((cbw.Flags & 0x80) != 0) {
-            stallEndpoint(EPBULK_IN);
-        } else {
-            stallEndpoint(EPBULK_OUT);
-        }
-
-        csw.Status = CSW_FAILED;
-        sendCSW();
-        return false;
-    }
-
-    return true;
-}
-
-
-
-
-
-// Called in ISR context
-// Set configuration. Return false if the
-// configuration is not supported.
-bool USBMSD::USBCallback_setConfiguration(uint8_t configuration) {
-    if (configuration != DEFAULT_CONFIGURATION) {
-        return false;
-    }
-
-    // Configure endpoints > 0
-    addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);
-    addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
-
-    //activate readings
-    readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
-    return true;
-}
-
-
-uint8_t * USBMSD::stringIinterfaceDesc() {
-    static uint8_t stringIinterfaceDescriptor[] = {
-        0x08,                           //bLength
-        STRING_DESCRIPTOR,              //bDescriptorType 0x03
-        'M',0,'S',0,'D',0               //bString iInterface - MSD
-    };
-    return stringIinterfaceDescriptor;
-}
-
-uint8_t * USBMSD::stringIproductDesc() {
-    static uint8_t stringIproductDescriptor[] = {
-        0x12,                                           //bLength
-        STRING_DESCRIPTOR,                              //bDescriptorType 0x03
-        'M',0,'b',0,'e',0,'d',0,' ',0,'M',0,'S',0,'D',0 //bString iProduct - Mbed Audio
-    };
-    return stringIproductDescriptor;
-}
-
-
-uint8_t * USBMSD::configurationDesc() {
-    static uint8_t configDescriptor[] = {
-
-        // Configuration 1
-        9,      // bLength
-        2,      // bDescriptorType
-        LSB(9 + 9 + 7 + 7), // wTotalLength
-        MSB(9 + 9 + 7 + 7),
-        0x01,   // bNumInterfaces
-        0x01,   // bConfigurationValue: 0x01 is used to select this configuration
-        0x00,   // iConfiguration: no string to describe this configuration
-        0xC0,   // bmAttributes
-        100,    // bMaxPower, device power consumption is 100 mA
-
-        // Interface 0, Alternate Setting 0, MSC Class
-        9,      // bLength
-        4,      // bDescriptorType
-        0x00,   // bInterfaceNumber
-        0x00,   // bAlternateSetting
-        0x02,   // bNumEndpoints
-        0x08,   // bInterfaceClass
-        0x06,   // bInterfaceSubClass
-        0x50,   // bInterfaceProtocol
-        0x04,   // iInterface
-
-        // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
-        7,                          // bLength
-        5,                          // bDescriptorType
-        PHY_TO_DESC(EPBULK_IN),     // bEndpointAddress
-        0x02,                       // bmAttributes (0x02=bulk)
-        LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
-        MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
-        0,                          // bInterval
-
-        // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
-        7,                          // bLength
-        5,                          // bDescriptorType
-        PHY_TO_DESC(EPBULK_OUT),    // bEndpointAddress
-        0x02,                       // bmAttributes (0x02=bulk)
-        LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
-        MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
-        0                           // bInterval
-    };
-    return configDescriptor;
-}
--- a/USBMSD/USBMSD.h	Wed Nov 30 17:50:35 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,204 +0,0 @@
-/* USBMSD.h */
-/* USB mass storage device example */
-/* Copyright (c) 2011 ARM Limited. All rights reserved. */
-
-/*
-* Guide to adapt this class to your storage chip:
-*
-*/
-
-#ifndef USBMSD_H
-#define USBMSD_H
-
-/* These headers are included for child class. */
-#include "USBEndpoints.h"
-#include "USBDescriptor.h"
-#include "USBDevice_Types.h"
-
-#include "USBDevice.h"
-
-#define DEFAULT_CONFIGURATION (1)
-
-
-// MSC Bulk-only Stage
-enum Stage {
-    READ_CBW,     // wait a CBW
-    ERROR,        // error
-    PROCESS_CBW,  // process a CBW request
-    SEND_CSW,     // send a CSW
-    WAIT_CSW,     // wait that a CSW has been effectively sent
-};
-
-// Bulk-only CBW
-typedef __packed struct {
-    uint32_t Signature;
-    uint32_t Tag;
-    uint32_t DataLength;
-    uint8_t  Flags;
-    uint8_t  LUN;
-    uint8_t  CBLength;
-    uint8_t  CB[16];
-} CBW;
-
-// Bulk-only CSW
-typedef __packed struct {
-    uint32_t Signature;
-    uint32_t Tag;
-    uint32_t DataResidue;
-    uint8_t  Status;
-} CSW;
-
-
-class USBMSD: public USBDevice {
-public:
-
-    /**
-    * Constructor
-    *
-    * @param vendor_id Your vendor_id
-    * @param product_id Your product_id
-    * @param product_release Your preoduct_release
-    */
-    USBMSD(uint16_t vendor_id = 0x0703, uint16_t product_id = 0x0104, uint16_t product_release = 0x0001);
-    
-    /*
-    * read a block on a storage chip
-    *
-    * @param data pointer where will be stored read data
-    * @param block block number
-    * @returns 0 if successful
-    */
-    virtual int disk_read(char * data, int block){return 1;};
-    
-    /*
-    * write a block on a storage chip
-    *
-    * @param data data to write
-    * @param block block number
-    * @returns 0 if successful
-    */
-    virtual int disk_write(const char * data, int block){return 1;};
-    
-    /*
-    * Disk initilization
-    */
-    virtual int disk_initialize(){return -1;};
-    
-    /*
-    * Return the number of blocks
-    *
-    * @returns number of blocks
-    */
-    virtual int disk_sectors(){return 0;};
-    
-    /*
-    * Return memory size
-    *
-    * @returns memory size
-    */
-    virtual uint32_t memorySize(){return 0;};
-    
-    /*
-    * Connect the USB MSD device. Establish disk initialization before really connect the device.
-    *
-    * @returns
-    */
-    bool connect();
-    
-    
-protected:
-
-
-    /*
-    * Get number of logical unit - 1 (here 0)
-    *
-    * @returns Pointer containing the number of logical unit - 1
-    */
-    uint8_t * getMaxLUN();
-    
-    /*
-    * Get string product descriptor
-    *
-    * @returns pointer to the string product descriptor
-    */
-    virtual uint8_t * stringIproductDesc();
-
-    /*
-    * Get string interface descriptor
-    *
-    * @returns pointer to the string interface descriptor
-    */
-    virtual uint8_t * stringIinterfaceDesc();
-
-    /*
-    * Get configuration descriptor
-    *
-    * @returns pointer to the configuration descriptor
-    */
-    virtual uint8_t * configurationDesc();
-
-    /*
-    * Callback called when a packet is received
-    */
-    virtual bool EP2_OUT_callback();
-    
-    /*
-    * Callback called when a packet has been sent
-    */
-    virtual bool EP2_IN_callback();
-
-    /*
-    * Set configuration of device. Add endpoints
-    */
-    virtual bool USBCallback_setConfiguration(uint8_t configuration);
-    
-    /*
-    * Callback called to process class specific requests
-    */
-    virtual bool USBCallback_request();
-    
-
-private:
-    //state of the bulk-only state machine
-    Stage stage;
-    
-    // current CBW
-    CBW cbw;
-    
-    // CSW which will be sent
-    CSW csw;
-    
-    // addr where will be read or written data
-    uint32_t addr;
-    
-    // length of a reading or writing
-    uint32_t length;
-    
-    // memory OK (after a memoryVerify)
-    bool memOK;
-    
-    // cache in RAM before writing in memory. Useful also to read a block.
-    uint8_t * page;
-    
-    uint16_t BlockSize;
-    uint32_t MemorySize;
-    uint16_t BlockCount;
-
-    void CBWDecode(uint8_t * buf, uint16_t size);
-    void sendCSW (void);
-    bool inquiryRequest (void);
-    bool write (uint8_t * buf, uint16_t size);
-    bool readFormatCapacity();
-    bool readCapacity (void);
-    bool infoTransfer (void);
-    void memoryRead (void);
-    bool modeSense6 (void);
-    void testUnitReady (void);
-    bool requestSense (void);
-    void memoryVerify (uint8_t * buf, uint16_t size);
-    void memoryWrite (uint8_t * buf, uint16_t size);
-    void reset();
-    void fail();
-};
-
-#endif
--- a/main.cpp	Wed Nov 30 17:50:35 2011 +0000
+++ b/main.cpp	Mon Dec 05 14:34:29 2011 +0000
@@ -1,7 +1,7 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
 
-SDFileSystem sd(p11, p12, p13, p14, "sd");
+SDFileSystem sd(p5, p6, p7, p8, "sd");
 
 DigitalIn button(p16);