Nakul Dureja / Mbed 2 deprecated Mbed_Text_Reader

Mbed_Text_Reader using an SDcard reader, 12-key touch pad and uLCD.

Dependencies:   FATFileSystem mbed-rtos mbed

SDFileSystem.h@0:6bd0fe190ecc, 2014-03-24 (annotated)

Committer:
ndureja3
Date:
Mon Mar 24 06:45:02 2014 +0000
Revision:
0:6bd0fe190ecc
24 Mar 2014

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ndureja3 0:6bd0fe190ecc 1 /* mbed Microcontroller Library
ndureja3 0:6bd0fe190ecc 2 * Copyright (c) 2006-2012 ARM Limited
ndureja3 0:6bd0fe190ecc 3 *
ndureja3 0:6bd0fe190ecc 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
ndureja3 0:6bd0fe190ecc 5 * of this software and associated documentation files (the "Software"), to deal
ndureja3 0:6bd0fe190ecc 6 * in the Software without restriction, including without limitation the rights
ndureja3 0:6bd0fe190ecc 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ndureja3 0:6bd0fe190ecc 8 * copies of the Software, and to permit persons to whom the Software is
ndureja3 0:6bd0fe190ecc 9 * furnished to do so, subject to the following conditions:
ndureja3 0:6bd0fe190ecc 10 *
ndureja3 0:6bd0fe190ecc 11 * The above copyright notice and this permission notice shall be included in
ndureja3 0:6bd0fe190ecc 12 * all copies or substantial portions of the Software.
ndureja3 0:6bd0fe190ecc 13 *
ndureja3 0:6bd0fe190ecc 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ndureja3 0:6bd0fe190ecc 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ndureja3 0:6bd0fe190ecc 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ndureja3 0:6bd0fe190ecc 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ndureja3 0:6bd0fe190ecc 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ndureja3 0:6bd0fe190ecc 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
ndureja3 0:6bd0fe190ecc 20 * SOFTWARE.
ndureja3 0:6bd0fe190ecc 21 */
ndureja3 0:6bd0fe190ecc 22 #ifndef MBED_SDFILESYSTEM_H
ndureja3 0:6bd0fe190ecc 23 #define MBED_SDFILESYSTEM_H
ndureja3 0:6bd0fe190ecc 24
ndureja3 0:6bd0fe190ecc 25 #include "mbed.h"
ndureja3 0:6bd0fe190ecc 26 #include "FATFileSystem.h"
ndureja3 0:6bd0fe190ecc 27 #include <stdint.h>
ndureja3 0:6bd0fe190ecc 28
ndureja3 0:6bd0fe190ecc 29 /** Access the filesystem on an SD Card using SPI
ndureja3 0:6bd0fe190ecc 30 *
ndureja3 0:6bd0fe190ecc 31 * @code
ndureja3 0:6bd0fe190ecc 32 * #include "mbed.h"
ndureja3 0:6bd0fe190ecc 33 * #include "SDFileSystem.h"
ndureja3 0:6bd0fe190ecc 34 *
ndureja3 0:6bd0fe190ecc 35 * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
ndureja3 0:6bd0fe190ecc 36 *
ndureja3 0:6bd0fe190ecc 37 * int main() {
ndureja3 0:6bd0fe190ecc 38 * FILE *fp = fopen("/sd/myfile.txt", "w");
ndureja3 0:6bd0fe190ecc 39 * fprintf(fp, "Hello World!\n");
ndureja3 0:6bd0fe190ecc 40 * fclose(fp);
ndureja3 0:6bd0fe190ecc 41 * }
ndureja3 0:6bd0fe190ecc 42 */
ndureja3 0:6bd0fe190ecc 43 class SDFileSystem : public FATFileSystem {
ndureja3 0:6bd0fe190ecc 44 public:
ndureja3 0:6bd0fe190ecc 45
ndureja3 0:6bd0fe190ecc 46 /** Create the File System for accessing an SD Card using SPI
ndureja3 0:6bd0fe190ecc 47 *
ndureja3 0:6bd0fe190ecc 48 * @param mosi SPI mosi pin connected to SD Card
ndureja3 0:6bd0fe190ecc 49 * @param miso SPI miso pin conencted to SD Card
ndureja3 0:6bd0fe190ecc 50 * @param sclk SPI sclk pin connected to SD Card
ndureja3 0:6bd0fe190ecc 51 * @param cs DigitalOut pin used as SD Card chip select
ndureja3 0:6bd0fe190ecc 52 * @param name The name used to access the virtual filesystem
ndureja3 0:6bd0fe190ecc 53 */
ndureja3 0:6bd0fe190ecc 54 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
ndureja3 0:6bd0fe190ecc 55 virtual int disk_initialize();
ndureja3 0:6bd0fe190ecc 56 virtual int disk_status();
ndureja3 0:6bd0fe190ecc 57 virtual int disk_read(uint8_t * buffer, uint64_t block_number);
ndureja3 0:6bd0fe190ecc 58 virtual int disk_write(const uint8_t * buffer, uint64_t block_number);
ndureja3 0:6bd0fe190ecc 59 virtual int disk_sync();
ndureja3 0:6bd0fe190ecc 60 virtual uint64_t disk_sectors();
ndureja3 0:6bd0fe190ecc 61
ndureja3 0:6bd0fe190ecc 62 protected:
ndureja3 0:6bd0fe190ecc 63
ndureja3 0:6bd0fe190ecc 64 int _cmd(int cmd, int arg);
ndureja3 0:6bd0fe190ecc 65 int _cmdx(int cmd, int arg);
ndureja3 0:6bd0fe190ecc 66 int _cmd8();
ndureja3 0:6bd0fe190ecc 67 int _cmd58();
ndureja3 0:6bd0fe190ecc 68 int initialise_card();
ndureja3 0:6bd0fe190ecc 69 int initialise_card_v1();
ndureja3 0:6bd0fe190ecc 70 int initialise_card_v2();
ndureja3 0:6bd0fe190ecc 71
ndureja3 0:6bd0fe190ecc 72 int _read(uint8_t * buffer, uint32_t length);
ndureja3 0:6bd0fe190ecc 73 int _write(const uint8_t *buffer, uint32_t length);
ndureja3 0:6bd0fe190ecc 74 uint64_t _sd_sectors();
ndureja3 0:6bd0fe190ecc 75 uint64_t _sectors;
ndureja3 0:6bd0fe190ecc 76
ndureja3 0:6bd0fe190ecc 77 SPI _spi;
ndureja3 0:6bd0fe190ecc 78 DigitalOut _cs;
ndureja3 0:6bd0fe190ecc 79 int cdv;
ndureja3 0:6bd0fe190ecc 80 };
ndureja3 0:6bd0fe190ecc 81
ndureja3 0:6bd0fe190ecc 82 #endif