Bank Account Security System

Dependencies:   FatFileSystemSD mbed

Committer:
Dhruv_Varun
Date:
Thu Oct 11 20:49:25 2012 +0000
Revision:
0:7e4786a3584b
Code For Bank Account Security System

Who changed what in which revision?

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Dhruv_Varun 0:7e4786a3584b 1 /* mbed SDFileSystem Library, for providing file access to SD cards
Dhruv_Varun 0:7e4786a3584b 2 * Copyright (c) 2008-2010, sford
Dhruv_Varun 0:7e4786a3584b 3 *
Dhruv_Varun 0:7e4786a3584b 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
Dhruv_Varun 0:7e4786a3584b 5 * of this software and associated documentation files (the "Software"), to deal
Dhruv_Varun 0:7e4786a3584b 6 * in the Software without restriction, including without limitation the rights
Dhruv_Varun 0:7e4786a3584b 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Dhruv_Varun 0:7e4786a3584b 8 * copies of the Software, and to permit persons to whom the Software is
Dhruv_Varun 0:7e4786a3584b 9 * furnished to do so, subject to the following conditions:
Dhruv_Varun 0:7e4786a3584b 10 *
Dhruv_Varun 0:7e4786a3584b 11 * The above copyright notice and this permission notice shall be included in
Dhruv_Varun 0:7e4786a3584b 12 * all copies or substantial portions of the Software.
Dhruv_Varun 0:7e4786a3584b 13 *
Dhruv_Varun 0:7e4786a3584b 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Dhruv_Varun 0:7e4786a3584b 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Dhruv_Varun 0:7e4786a3584b 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Dhruv_Varun 0:7e4786a3584b 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Dhruv_Varun 0:7e4786a3584b 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Dhruv_Varun 0:7e4786a3584b 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Dhruv_Varun 0:7e4786a3584b 20 * THE SOFTWARE.
Dhruv_Varun 0:7e4786a3584b 21 */
Dhruv_Varun 0:7e4786a3584b 22
Dhruv_Varun 0:7e4786a3584b 23 #ifndef MBED_SDFILESYSTEM_H
Dhruv_Varun 0:7e4786a3584b 24 #define MBED_SDFILESYSTEM_H
Dhruv_Varun 0:7e4786a3584b 25
Dhruv_Varun 0:7e4786a3584b 26 #include "mbed.h"
Dhruv_Varun 0:7e4786a3584b 27 #include "FATFileSystem.h"
Dhruv_Varun 0:7e4786a3584b 28
Dhruv_Varun 0:7e4786a3584b 29 /** Access the filesystem on an SD Card using SPI
Dhruv_Varun 0:7e4786a3584b 30 *
Dhruv_Varun 0:7e4786a3584b 31 * @code
Dhruv_Varun 0:7e4786a3584b 32 * #include "mbed.h"
Dhruv_Varun 0:7e4786a3584b 33 * #include "SDFileSystem.h"
Dhruv_Varun 0:7e4786a3584b 34 *
Dhruv_Varun 0:7e4786a3584b 35 * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
Dhruv_Varun 0:7e4786a3584b 36 *
Dhruv_Varun 0:7e4786a3584b 37 * int main() {
Dhruv_Varun 0:7e4786a3584b 38 * FILE *fp = fopen("/sd/myfile.txt", "w");
Dhruv_Varun 0:7e4786a3584b 39 * fprintf(fp, "Hello World!\n");
Dhruv_Varun 0:7e4786a3584b 40 * fclose(fp);
Dhruv_Varun 0:7e4786a3584b 41 * }
Dhruv_Varun 0:7e4786a3584b 42 */
Dhruv_Varun 0:7e4786a3584b 43 class SDFileSystem : public FATFileSystem {
Dhruv_Varun 0:7e4786a3584b 44 public:
Dhruv_Varun 0:7e4786a3584b 45
Dhruv_Varun 0:7e4786a3584b 46 /** Create the File System for accessing an SD Card using SPI
Dhruv_Varun 0:7e4786a3584b 47 *
Dhruv_Varun 0:7e4786a3584b 48 * @param mosi SPI mosi pin connected to SD Card
Dhruv_Varun 0:7e4786a3584b 49 * @param miso SPI miso pin conencted to SD Card
Dhruv_Varun 0:7e4786a3584b 50 * @param sclk SPI sclk pin connected to SD Card
Dhruv_Varun 0:7e4786a3584b 51 * @param cs DigitalOut pin used as SD Card chip select
Dhruv_Varun 0:7e4786a3584b 52 * @param name The name used to access the virtual filesystem
Dhruv_Varun 0:7e4786a3584b 53 */
Dhruv_Varun 0:7e4786a3584b 54 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
Dhruv_Varun 0:7e4786a3584b 55 virtual int disk_initialize();
Dhruv_Varun 0:7e4786a3584b 56 virtual int disk_write(const char *buffer, int block_number);
Dhruv_Varun 0:7e4786a3584b 57 virtual int disk_read(char *buffer, int block_number);
Dhruv_Varun 0:7e4786a3584b 58 virtual int disk_status();
Dhruv_Varun 0:7e4786a3584b 59 virtual int disk_sync();
Dhruv_Varun 0:7e4786a3584b 60 virtual int disk_sectors();
Dhruv_Varun 0:7e4786a3584b 61
Dhruv_Varun 0:7e4786a3584b 62 protected:
Dhruv_Varun 0:7e4786a3584b 63
Dhruv_Varun 0:7e4786a3584b 64 int _cmd(int cmd, int arg);
Dhruv_Varun 0:7e4786a3584b 65 int _cmdx(int cmd, int arg);
Dhruv_Varun 0:7e4786a3584b 66 int _cmd8();
Dhruv_Varun 0:7e4786a3584b 67 int _cmd58();
Dhruv_Varun 0:7e4786a3584b 68 int initialise_card();
Dhruv_Varun 0:7e4786a3584b 69 int initialise_card_v1();
Dhruv_Varun 0:7e4786a3584b 70 int initialise_card_v2();
Dhruv_Varun 0:7e4786a3584b 71
Dhruv_Varun 0:7e4786a3584b 72 int _read(char *buffer, int length);
Dhruv_Varun 0:7e4786a3584b 73 int _write(const char *buffer, int length);
Dhruv_Varun 0:7e4786a3584b 74 int _sd_sectors();
Dhruv_Varun 0:7e4786a3584b 75 int _sectors;
Dhruv_Varun 0:7e4786a3584b 76
Dhruv_Varun 0:7e4786a3584b 77 SPI _spi;
Dhruv_Varun 0:7e4786a3584b 78 DigitalOut _cs;
Dhruv_Varun 0:7e4786a3584b 79 };
Dhruv_Varun 0:7e4786a3584b 80
Dhruv_Varun 0:7e4786a3584b 81 #endif