main.cpp

00001 /*
00002 *******************************************************************************
00003 *                              HTTP://WWW.CERESCONTROLS.COM
00004 *                              PANAMÁ, REPÚBLICA DE PANAMÁ
00005 *
00006 *  File          : main.cpp
00007 *  Programer(s)  : Rangel Alvarado
00008 *  Language      : C/C++
00009 *  Description   : Simple SD Card File System Write
00010 *
00011 *  Notes         : Using standard mbed classes to write information data in
00012 *                  the SD Card.
00013 *  http://cache.freescale.com/files/32bit/doc/user_guide/FRDMK64FUG.pdf
00014 *
00015 *******************************************************************************
00016 */
00017 
00018 #include "mbed.h"                          // mbed application libraries
00019 #include "SDFileSystem.h"                  // SD File System functions
00020 
00021 #define DAT0 PTE3                          // MOSI
00022 #define CMD  PTE1                          // MISO
00023 #define CLK  PTE2                          // SCLK
00024 #define CD   PTE4                          // CS
00025 
00026 SDFileSystem sd(DAT0, CMD, CLK, CD, "sd"); // MOSI, MISO, SCLK, CS
00027 Serial pc(USBTX, USBRX);                   // Virtual COM Port
00028 
00029 int main() {
00030     FILE *File = fopen("/sd/sdfile.txt", "w");   // open file
00031     if(File == NULL) {                           // check if present
00032         pc.printf("No SD Card or bad format\n"); // print message
00033     } else {                                     // otherwise
00034         pc.printf("Ready to write\n");           // message preparing to write
00035     }
00036     fprintf(File, "FRDM-K64F");                  // write data
00037     fclose(File);                                // close file on SD
00038 }