USBMSD SD card Hello World for Mbed platforms
Dependencies: mbed USBMSD_SD USBDevice
Diff: USBMSD/USB_SDcard.h
- Revision:
- 8:534fd41d8cc7
- Parent:
- 7:6494da2a5c60
- Child:
- 9:9c343b9ee6d8
diff -r 6494da2a5c60 -r 534fd41d8cc7 USBMSD/USB_SDcard.h --- a/USBMSD/USB_SDcard.h Mon Nov 14 12:08:32 2011 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,87 +0,0 @@ -/* mbed USB_SDcard Library, for accessing 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 USB_SDCARD_H -#define USB_SDCARD_H - -#include "mbed.h" -#include "USBMSD.h" - -class USB_SDcard : 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 - */ - USB_SDcard(PinName mosi = p5, PinName miso = p6, PinName sclk = p7, PinName cs = p8); - - /* - * read a block on a storage chip - * - * @param data pointer where will be stored read data - * @param block block number - * @returns 0 if successful - */ - virtual int blockRead(uint8_t * data, uint16_t block); - - /* - * write a block on a storage chip - * - * @param data data to write - * @param block block number - * @returns 0 if successful - */ - virtual int blockWrite(uint8_t * data, uint16_t block); - - virtual int diskInit(); - virtual uint16_t blockSize(); - virtual uint32_t memorySize(); - -protected: - - int disk_status(); - int disk_sync(); - int disk_sectors(); - 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 block_len; - - SPI _spi; - DigitalOut _cs; -}; - -#endif