USBMSD SD card Hello World for Mbed platforms
Dependencies: mbed USBMSD_SD USBDevice
Diff: USBMSD_SD/USBMSD_SD.h
- Revision:
- 20:50bf1cd2e2fe
- Parent:
- 19:148a0b8d23bc
- Child:
- 21:bbe291251dde
--- a/USBMSD_SD/USBMSD_SD.h Sun Dec 11 15:42:23 2011 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,85 +0,0 @@ -/* mbed USBMSD_SD Library, for providing file access to SD cards - * Copyright (c) 2008-2010, sford - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef USBMSD_SD_H -#define USBMSD_SD_H - -#include "mbed.h" -#include "USBMSD.h" - -/** Use the SDcard as mass storage device using the USBMSD class - * - * @code - * #include "mbed.h" - * #include "USBMSD_SD.h" - * - * USBMSD_SD sd(p5, p6, p7, p8); - * - * int main() { - * while(1); - * } - * - * @endcode - */ -class USBMSD_SD : public USBMSD { -public: - - /** Create the File System for accessing an SD Card using SPI - * - * @param mosi SPI mosi pin connected to SD Card - * @param miso SPI miso pin conencted to SD Card - * @param sclk SPI sclk pin connected to SD Card - * @param cs DigitalOut pin used as SD Card chip select - * @param name The name used to access the virtual filesystem - */ - USBMSD_SD(PinName mosi, PinName miso, PinName sclk, PinName cs); - 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(); - virtual int disk_size(); - -protected: - - int _cmd(int cmd, int arg); - int _cmdx(int cmd, int arg); - int _cmd8(); - int _cmd58(); - int initialise_card(); - int initialise_card_v1(); - int initialise_card_v2(); - - int _read(char *buffer, int length); - int _write(const char *buffer, int length); - int _sd_sectors(); - int _sectors; - - int capacity; - int _status; - - SPI _spi; - DigitalOut _cs; -}; - -#endif