Kenji Arai / Mbed 2 deprecated SD_Card_Control

SD-Card Control Program / Using Micro-SD / based on SDCardTest Program (http://mbed.org/users/simon/programs/SDCardTest/gpdz4x/)

Dependencies:   mbed SDFileSystem

Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/#

SDFileSystem.h@0:3bd1cdc1f3f4, 2010-04-04 (annotated)

Committer:
kenjiArai
Date:
Sun Apr 04 00:42:58 2010 +0000
Revision:
0:3bd1cdc1f3f4

        

        
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/* mbed Microcontroller Library - SDFileSystem





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 * Copyright (c) 2008-2009, sford





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 */





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// VERY DRAFT CODE!!! 





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#ifndef SDFILESYSTEM_H





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#define SDFILESYSTEM_H





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#include "mbed.h"





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#include "FATFileSystem.h"





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/* Class: SDFileSystem





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 *  Access the filesystem on an SD Card using SPI





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 *





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 * Example:





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





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 * > 





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 * > int main() {





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





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





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 * >     fclose(fp);





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 * > }





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 */





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class SDFileSystem : public FATFileSystem {





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public:





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    /* Constructor: SDFileSystem





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





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     *





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     * Variables:





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     *  mosi - SPI mosi pin connected to SD Card





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     *  miso - SPI miso pin conencted to SD Card





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     *  sclk - SPI sclk pin connected to SD Card





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     *  cs   - DigitalOut pin used as SD Card chip select





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   *  name - The name used to access the filesystem





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     */





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





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    virtual int disk_initialize();





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





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





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    virtual int disk_status();





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    virtual int disk_sync();





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    virtual int disk_sectors();





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protected:





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    int _cmd(int cmd, int arg);





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    int _cmdx(int cmd, int arg);





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    int _cmd8();





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    int _cmd58();





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    int initialise_card();





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    int initialise_card_v1();





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    int initialise_card_v2();





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    int _read(char *buffer, int length);





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





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    int _sd_sectors();





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    int _sectors;





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    SPI _spi;





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    DigitalOut _cs;     





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};





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#endif