![](/media/cache/profiles/c51ce410c124a10e0db5e4b97fc2af39.50x50_q85.jpg)
SDFileSystem.h
- Committer:
- simon
- Date:
- 2009-12-31
- Revision:
- 3:68ef62208d4d
- Parent:
- 2:849162a1207f
File content as of revision 3:68ef62208d4d:
/* mbed Microcontroller Library - SDFileSystem * Copyright (c) 2008-2009, sford */ // VERY DRAFT CODE!!! #ifndef SDFILESYSTEM_H #define SDFILESYSTEM_H #include "mbed.h" #include "FATFileSystem.h" /* Class: SDFileSystem * Access the filesystem on an SD Card using SPI * * Example: * > SDFileSystem sd(p5, p6, p7, p12, "sd"); * > * > int main() { * > FILE *fp = fopen("/sd/myfile.txt", "w"); * > fprintf(fp, "Hello World!\n"); * > fclose(fp); * > } */ class SDFileSystem : public FATFileSystem { public: /* Constructor: SDFileSystem * Create the File System for accessing an SD Card using SPI * * Variables: * mosi - SPI mosi pin connected to SD Card * miso - SPI miso pin conencted to SD Card * sclk - SPI sclk pin connected to SD Card * cs - DigitalOut pin used as SD Card chip select * name - The name used to access the filesystem */ SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name); virtual int disk_initialize(); virtual int disk_write(const char *buffer, int block_number); virtual int disk_read(char *buffer, int block_number); virtual int disk_status(); virtual int disk_sync(); virtual int disk_sectors(); protected: int _cmd(int cmd, int arg); int _cmdx(int cmd, int arg); int _cmd8(); int _cmd58(); int initialise_card(); int initialise_card_v1(); int initialise_card_v2(); int _read(char *buffer, int length); int _write(const char *buffer, int length); int _sd_sectors(); int _sectors; SPI _spi; DigitalOut _cs; }; #endif