Example program for SD card shield on SPI pins D10-D13
Dependencies: SDFileSystem mbed
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 }
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