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Dependencies:   mbed

SDFileSystem.h@0:050fdb1efb7a, 2011-02-10 (annotated)

Committer:
moon_light
Date:
Thu Feb 10 12:21:50 2011 +0000
Revision:
0:050fdb1efb7a
ver 0.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
moon_light 0:050fdb1efb7a 1 /* mbed Microcontroller Library - SDFileSystem
moon_light 0:050fdb1efb7a 2 * Copyright (c) 2008-2009, sford
moon_light 0:050fdb1efb7a 3 */
moon_light 0:050fdb1efb7a 4
moon_light 0:050fdb1efb7a 5 // VERY DRAFT CODE!!!
moon_light 0:050fdb1efb7a 6
moon_light 0:050fdb1efb7a 7 #ifndef SDFILESYSTEM_H
moon_light 0:050fdb1efb7a 8 #define SDFILESYSTEM_H
moon_light 0:050fdb1efb7a 9
moon_light 0:050fdb1efb7a 10 #include "mbed.h"
moon_light 0:050fdb1efb7a 11 #include "FATFileSystem.h"
moon_light 0:050fdb1efb7a 12
moon_light 0:050fdb1efb7a 13 /* Class: SDFileSystem
moon_light 0:050fdb1efb7a 14 * Access the filesystem on an SD Card using SPI
moon_light 0:050fdb1efb7a 15 *
moon_light 0:050fdb1efb7a 16 * Example:
moon_light 0:050fdb1efb7a 17 * > SDFileSystem sd(p5, p6, p7, p12, "sd");
moon_light 0:050fdb1efb7a 18 * >
moon_light 0:050fdb1efb7a 19 * > int main() {
moon_light 0:050fdb1efb7a 20 * > FILE *fp = fopen("/sd/myfile.txt", "w");
moon_light 0:050fdb1efb7a 21 * > fprintf(fp, "Hello World!\n");
moon_light 0:050fdb1efb7a 22 * > fclose(fp);
moon_light 0:050fdb1efb7a 23 * > }
moon_light 0:050fdb1efb7a 24 */
moon_light 0:050fdb1efb7a 25 class SDFileSystem : public FATFileSystem {
moon_light 0:050fdb1efb7a 26 public:
moon_light 0:050fdb1efb7a 27
moon_light 0:050fdb1efb7a 28 /* Constructor: SDFileSystem
moon_light 0:050fdb1efb7a 29 * Create the File System for accessing an SD Card using SPI
moon_light 0:050fdb1efb7a 30 *
moon_light 0:050fdb1efb7a 31 * Variables:
moon_light 0:050fdb1efb7a 32 * mosi - SPI mosi pin connected to SD Card
moon_light 0:050fdb1efb7a 33 * miso - SPI miso pin conencted to SD Card
moon_light 0:050fdb1efb7a 34 * sclk - SPI sclk pin connected to SD Card
moon_light 0:050fdb1efb7a 35 * cs - DigitalOut pin used as SD Card chip select
moon_light 0:050fdb1efb7a 36 * name - The name used to access the filesystem
moon_light 0:050fdb1efb7a 37 */
moon_light 0:050fdb1efb7a 38 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
moon_light 0:050fdb1efb7a 39 virtual int disk_initialize();
moon_light 0:050fdb1efb7a 40 virtual int disk_write(const char *buffer, int block_number);
moon_light 0:050fdb1efb7a 41 virtual int disk_read(char *buffer, int block_number);
moon_light 0:050fdb1efb7a 42 virtual int disk_status();
moon_light 0:050fdb1efb7a 43 virtual int disk_sync();
moon_light 0:050fdb1efb7a 44 virtual int disk_sectors();
moon_light 0:050fdb1efb7a 45
moon_light 0:050fdb1efb7a 46 protected:
moon_light 0:050fdb1efb7a 47
moon_light 0:050fdb1efb7a 48 int _cmd(int cmd, int arg);
moon_light 0:050fdb1efb7a 49 int _cmdx(int cmd, int arg);
moon_light 0:050fdb1efb7a 50 int _cmd8();
moon_light 0:050fdb1efb7a 51 int _cmd58();
moon_light 0:050fdb1efb7a 52 int initialise_card();
moon_light 0:050fdb1efb7a 53 int initialise_card_v1();
moon_light 0:050fdb1efb7a 54 int initialise_card_v2();
moon_light 0:050fdb1efb7a 55
moon_light 0:050fdb1efb7a 56
moon_light 0:050fdb1efb7a 57 int _read(char *buffer, int length);
moon_light 0:050fdb1efb7a 58 int _write(const char *buffer, int length);
moon_light 0:050fdb1efb7a 59 int _sd_sectors();
moon_light 0:050fdb1efb7a 60 int _sectors;
moon_light 0:050fdb1efb7a 61
moon_light 0:050fdb1efb7a 62 SPI _spi;
moon_light 0:050fdb1efb7a 63 DigitalOut _cs;
moon_light 0:050fdb1efb7a 64 };
moon_light 0:050fdb1efb7a 65
moon_light 0:050fdb1efb7a 66 #endif