Chanaka Madhusanka / Mbed 2 deprecated SD_Card_2019_07

This program will save data points from the main program from text file.

Dependencies:   mbed SDFileSystem

main.cpp@0:2a529a727426, 2019-07-31 (annotated)

Committer:
chanaka_madhusanka
Date:
Wed Jul 31 19:27:19 2019 +0000
Revision:
0:2a529a727426
First Commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chanaka_madhusanka 0:2a529a727426 1 //
chanaka_madhusanka 0:2a529a727426 2 // Test code to SD card read data from mbed
chanaka_madhusanka 0:2a529a727426 3 //
chanaka_madhusanka 0:2a529a727426 4 #include "mbed.h"
chanaka_madhusanka 0:2a529a727426 5 #include "SDFileSystem.h"
chanaka_madhusanka 0:2a529a727426 6
chanaka_madhusanka 0:2a529a727426 7 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
chanaka_madhusanka 0:2a529a727426 8
chanaka_madhusanka 0:2a529a727426 9 int main() {
chanaka_madhusanka 0:2a529a727426 10 printf("Hello World!\n");
chanaka_madhusanka 0:2a529a727426 11
chanaka_madhusanka 0:2a529a727426 12 mkdir("/sd/mydir", 0777);
chanaka_madhusanka 0:2a529a727426 13
chanaka_madhusanka 0:2a529a727426 14 FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
chanaka_madhusanka 0:2a529a727426 15 wait (1);
chanaka_madhusanka 0:2a529a727426 16 if(fp == NULL) {
chanaka_madhusanka 0:2a529a727426 17 error("Could not open file for write\n");
chanaka_madhusanka 0:2a529a727426 18 }
chanaka_madhusanka 0:2a529a727426 19 fprintf(fp, "Hello fun SD Card World!");
chanaka_madhusanka 0:2a529a727426 20 fclose(fp);
chanaka_madhusanka 0:2a529a727426 21
chanaka_madhusanka 0:2a529a727426 22 printf("Goodbye World!\n");
chanaka_madhusanka 0:2a529a727426 23 }