USBMSD example using an SD card
Dependents: USBMSD_SD_HelloWorld_FRDM-KL25Z USBMSD_SD_HelloWorld_Mbed USBMSD_SD_HelloWorld_FRDM-KL25Z V09_01h ... more
USBMSD_SD.h
- Committer:
- samux
- Date:
- 2011-12-11
- Revision:
- 1:923991b026e7
- Parent:
- 0:de50a209c5a9
- Child:
- 2:055119ccf5a7
File content as of revision 1:923991b026e7:
/* 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