A simple digital lock with attempted audio guidance
Dependencies: FATFileSystem TextLCD mbed
Fork of Digital_Lock_with_audio by
SDFileSystem.h@1:85eb1c94154a, 2013-04-23 (annotated)
- Committer:
- kit2
- Date:
- Tue Apr 23 12:49:09 2013 +0000
- Revision:
- 1:85eb1c94154a
digital lock system
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kit2 | 1:85eb1c94154a | 1 | /* mbed Microcontroller Library - SDFileSystem |
kit2 | 1:85eb1c94154a | 2 | * Copyright (c) 2008-2009, sford |
kit2 | 1:85eb1c94154a | 3 | */ |
kit2 | 1:85eb1c94154a | 4 | |
kit2 | 1:85eb1c94154a | 5 | #ifndef SDFILESYSTEM_H |
kit2 | 1:85eb1c94154a | 6 | #define SDFILESYSTEM_H |
kit2 | 1:85eb1c94154a | 7 | |
kit2 | 1:85eb1c94154a | 8 | #include "mbed.h" |
kit2 | 1:85eb1c94154a | 9 | #include "FATFileSystem.h" |
kit2 | 1:85eb1c94154a | 10 | |
kit2 | 1:85eb1c94154a | 11 | /* Class: SDFileSystem |
kit2 | 1:85eb1c94154a | 12 | * Access the filesystem on an SD Card using SPI |
kit2 | 1:85eb1c94154a | 13 | * |
kit2 | 1:85eb1c94154a | 14 | * Example: |
kit2 | 1:85eb1c94154a | 15 | * > SDFileSystem sd(p5, p6, p7, p12, "sd"); |
kit2 | 1:85eb1c94154a | 16 | * > |
kit2 | 1:85eb1c94154a | 17 | * > int main() { |
kit2 | 1:85eb1c94154a | 18 | * > FILE *fp = fopen("/sd/myfile.txt", "w"); |
kit2 | 1:85eb1c94154a | 19 | * > fprintf(fp, "Hello World!\n"); |
kit2 | 1:85eb1c94154a | 20 | * > fclose(fp); |
kit2 | 1:85eb1c94154a | 21 | * > } |
kit2 | 1:85eb1c94154a | 22 | */ |
kit2 | 1:85eb1c94154a | 23 | class SDFileSystem : public FATFileSystem { |
kit2 | 1:85eb1c94154a | 24 | public: |
kit2 | 1:85eb1c94154a | 25 | |
kit2 | 1:85eb1c94154a | 26 | /* Constructor: SDFileSystem |
kit2 | 1:85eb1c94154a | 27 | * Create the File System for accessing an SD Card using SPI |
kit2 | 1:85eb1c94154a | 28 | * |
kit2 | 1:85eb1c94154a | 29 | * Variables: |
kit2 | 1:85eb1c94154a | 30 | * mosi - SPI mosi pin connected to SD Card |
kit2 | 1:85eb1c94154a | 31 | * miso - SPI miso pin conencted to SD Card |
kit2 | 1:85eb1c94154a | 32 | * sclk - SPI sclk pin connected to SD Card |
kit2 | 1:85eb1c94154a | 33 | * cs - DigitalOut pin used as SD Card chip select |
kit2 | 1:85eb1c94154a | 34 | * name - The name used to access the filesystem |
kit2 | 1:85eb1c94154a | 35 | */ |
kit2 | 1:85eb1c94154a | 36 | SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name); |
kit2 | 1:85eb1c94154a | 37 | virtual int disk_initialize(); |
kit2 | 1:85eb1c94154a | 38 | virtual int disk_write(const char *buffer, int block_number); |
kit2 | 1:85eb1c94154a | 39 | virtual int disk_read(char *buffer, int block_number); |
kit2 | 1:85eb1c94154a | 40 | virtual int disk_status(); |
kit2 | 1:85eb1c94154a | 41 | virtual int disk_sync(); |
kit2 | 1:85eb1c94154a | 42 | virtual int disk_sectors(); |
kit2 | 1:85eb1c94154a | 43 | |
kit2 | 1:85eb1c94154a | 44 | protected: |
kit2 | 1:85eb1c94154a | 45 | |
kit2 | 1:85eb1c94154a | 46 | int _cmd(int cmd, int arg); |
kit2 | 1:85eb1c94154a | 47 | int _read(char *buffer, int length); |
kit2 | 1:85eb1c94154a | 48 | int _write(const char *buffer, int length); |
kit2 | 1:85eb1c94154a | 49 | int _sd_sectors(); |
kit2 | 1:85eb1c94154a | 50 | int _sectors; |
kit2 | 1:85eb1c94154a | 51 | |
kit2 | 1:85eb1c94154a | 52 | SPI _spi; |
kit2 | 1:85eb1c94154a | 53 | DigitalOut _cs; |
kit2 | 1:85eb1c94154a | 54 | }; |
kit2 | 1:85eb1c94154a | 55 | |
kit2 | 1:85eb1c94154a | 56 | #endif |