Simon Ford
/
SDCardTest
Diff: SDFileSystem.h
- Revision:
- 2:849162a1207f
- Parent:
- 0:666a082cf50f
- Child:
- 3:68ef62208d4d
--- a/SDFileSystem.h Mon Dec 14 20:31:54 2009 +0000 +++ b/SDFileSystem.h Mon Dec 14 22:32:28 2009 +0000 @@ -1,56 +1,58 @@ -/* mbed Microcontroller Library - SDFileSystem - * Copyright (c) 2008-2009, sford - */ - -#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 _read(char *buffer, int length); - int _write(const char *buffer, int length); - int _sd_sectors(); - int _sectors; - - SPI _spi; - DigitalOut _cs; -}; - -#endif +/* mbed Microcontroller Library - SDFileSystem + * Copyright (c) 2008-2009, sford + */ + +#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 _cmd8(); + + int _read(char *buffer, int length); + int _write(const char *buffer, int length); + int _sd_sectors(); + int _sectors; + + SPI _spi; + DigitalOut _cs; +}; + +#endif