Simon Ford / Mbed 2 deprecated SDCardTest

Dependencies:   mbed

SDFileSystem.h@2:849162a1207f, 2009-12-14 (annotated)

Committer:
simon
Date:
Mon Dec 14 22:32:28 2009 +0000
Revision:
2:849162a1207f
Parent:
0:666a082cf50f
Child:
3:68ef62208d4d

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


simon

2:849162a1207f


     1

/* mbed Microcontroller Library - SDFileSystem





simon

2:849162a1207f


     2

 * Copyright (c) 2008-2009, sford





simon

2:849162a1207f


     3

 */





simon

2:849162a1207f


     4







simon

2:849162a1207f


     5

#ifndef SDFILESYSTEM_H





simon

2:849162a1207f


     6

#define SDFILESYSTEM_H





simon

2:849162a1207f


     7







simon

2:849162a1207f


     8

#include "mbed.h"





simon

2:849162a1207f


     9

#include "FATFileSystem.h"





simon

2:849162a1207f


    10







simon

2:849162a1207f


    11

/* Class: SDFileSystem





simon

2:849162a1207f


    12

 *  Access the filesystem on an SD Card using SPI





simon

2:849162a1207f


    13

 *





simon

2:849162a1207f


    14

 * Example:





simon

2:849162a1207f


    15

 * > SDFileSystem sd(p5, p6, p7, p12, "sd");





simon

2:849162a1207f


    16

 * > 





simon

2:849162a1207f


    17

 * > int main() {





simon

2:849162a1207f


    18

 * >     FILE *fp = fopen("/sd/myfile.txt", "w");





simon

2:849162a1207f


    19

 * >     fprintf(fp, "Hello World!\n");





simon

2:849162a1207f


    20

 * >     fclose(fp);





simon

2:849162a1207f


    21

 * > }





simon

2:849162a1207f


    22

 */





simon

2:849162a1207f


    23

class SDFileSystem : public FATFileSystem {





simon

2:849162a1207f


    24

public:





simon

2:849162a1207f


    25







simon

2:849162a1207f


    26

    /* Constructor: SDFileSystem





simon

2:849162a1207f


    27

     *  Create the File System for accessing an SD Card using SPI





simon

2:849162a1207f


    28

     *





simon

2:849162a1207f


    29

     * Variables:





simon

2:849162a1207f


    30

     *  mosi - SPI mosi pin connected to SD Card





simon

2:849162a1207f


    31

     *  miso - SPI miso pin conencted to SD Card





simon

2:849162a1207f


    32

     *  sclk - SPI sclk pin connected to SD Card





simon

2:849162a1207f


    33

     *  cs   - DigitalOut pin used as SD Card chip select





simon

2:849162a1207f


    34

   *  name - The name used to access the filesystem





simon

2:849162a1207f


    35

     */





simon

2:849162a1207f


    36

    SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);





simon

2:849162a1207f


    37

    virtual int disk_initialize();





simon

2:849162a1207f


    38

    virtual int disk_write(const char *buffer, int block_number);





simon

2:849162a1207f


    39

    virtual int disk_read(char *buffer, int block_number);    





simon

2:849162a1207f


    40

    virtual int disk_status();





simon

2:849162a1207f


    41

    virtual int disk_sync();





simon

2:849162a1207f


    42

    virtual int disk_sectors();





simon

2:849162a1207f


    43







simon

2:849162a1207f


    44

protected:





simon

2:849162a1207f


    45







simon

2:849162a1207f


    46

    int _cmd(int cmd, int arg);





simon

2:849162a1207f


    47

    int _cmd8();





simon

2:849162a1207f


    48

    





simon

2:849162a1207f


    49

    int _read(char *buffer, int length);





simon

2:849162a1207f


    50

    int _write(const char *buffer, int length);





simon

2:849162a1207f


    51

    int _sd_sectors();





simon

2:849162a1207f


    52

    int _sectors;





simon

2:849162a1207f


    53

    





simon

2:849162a1207f


    54

    SPI _spi;





simon

2:849162a1207f


    55

    DigitalOut _cs;     





simon

2:849162a1207f


    56

};





simon

2:849162a1207f


    57







simon

2:849162a1207f


    58

#endif