Example program for SD card shield on SPI pins D10-D13

Dependencies:   SDFileSystem mbed

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main.cpp

00001 /* Copyright (c) 2010-2011 mbed.org, MIT License
00002 *
00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004 * and associated documentation files (the "Software"), to deal in the Software without
00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
00007 * Software is furnished to do so, subject to the following conditions:
00008 *
00009 * The above copyright notice and this permission notice shall be included in all copies or
00010 * substantial portions of the Software.
00011 *
00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017 */
00018 
00019 #include "mbed.h"
00020 #include "SDFileSystem.h"
00021 
00022 Serial pc(USBTX, USBRX);
00023 SDFileSystem sd(D11, D12, D13, D10, "sd"); // MOSI, MISO, SCK, CS
00024 FILE *fp;
00025 
00026 int main() {
00027     wait(2);
00028     pc.printf("Initializing\r\n");
00029     
00030     fp = fopen("/sd/hello.txt", "r");
00031     if (fp != NULL) {
00032         fclose(fp);
00033         remove("/sd/hello.txt");
00034         pc.printf("Remove an existing file with the same name\r\n");
00035     }
00036     
00037     fp = fopen("/sd/hello.txt", "w");
00038     if (fp == NULL) {
00039         pc.printf("Unable to write the file\r\n");
00040     } else {
00041         fprintf(fp, "mbed SDCard application!");
00042         fclose(fp);
00043         pc.printf("File successfully written!\r\n");
00044     }
00045 }