NXP / Mbed 2 deprecated FTF2014_lab4

SD card with the file system.

Dependencies:   SDFileSystem mbed

Fork of FTF2014_lab4 by Freescale

main.cpp@2:41dd6f412728, 2014-04-07 (annotated)

Committer:
Kojto
Date:
Mon Apr 07 19:36:26 2014 +0000
Revision:
2:41dd6f412728
Parent:
0:a83db87be46c 
mbed-src replaced by mbed lib v82

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 0:a83db87be46c 1 #include "mbed.h"
Kojto 0:a83db87be46c 2 #include "SDFileSystem.h"
Kojto 0:a83db87be46c 3
Kojto 0:a83db87be46c 4 SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS
Kojto 0:a83db87be46c 5 Serial pc(USBTX, USBRX);
Kojto 0:a83db87be46c 6 FILE *fp;
Kojto 0:a83db87be46c 7 char buffer[1024];
Kojto 0:a83db87be46c 8
Kojto 0:a83db87be46c 9 int main() {
Kojto 0:a83db87be46c 10 pc.printf("Initializing \n");
Kojto 0:a83db87be46c 11 wait(2);
Kojto 0:a83db87be46c 12
Kojto 0:a83db87be46c 13 fp = fopen("/sd/hello.txt", "r");
Kojto 0:a83db87be46c 14 if (fp != NULL) {
Kojto 0:a83db87be46c 15 fclose(fp);
Kojto 0:a83db87be46c 16 remove("/sd/hello.txt");
Kojto 0:a83db87be46c 17 pc.printf("Remove an existing file with the same name \n");
Kojto 0:a83db87be46c 18 }
Kojto 0:a83db87be46c 19
Kojto 0:a83db87be46c 20 printf("\nWriting data to the sd card \n");
Kojto 0:a83db87be46c 21 fp = fopen("/sd/hello.txt", "w");
Kojto 0:a83db87be46c 22 if (fp == NULL) {
Kojto 0:a83db87be46c 23 pc.printf("Unable to write the file \n");
Kojto 0:a83db87be46c 24 } else {
Kojto 0:a83db87be46c 25 fprintf(fp, "mbed SDCard application!");
Kojto 0:a83db87be46c 26 fclose(fp);
Kojto 0:a83db87be46c 27 pc.printf("File successfully written! \n");
Kojto 0:a83db87be46c 28 }
Kojto 0:a83db87be46c 29
Kojto 0:a83db87be46c 30 printf("\nReading data from the SD card. \n");
Kojto 0:a83db87be46c 31 fp = fopen("/sd/hello.txt", "r");
Kojto 0:a83db87be46c 32 if (fp != NULL) {
Kojto 0:a83db87be46c 33 int size = fread(buffer, sizeof(char), 1024, fp);
Kojto 0:a83db87be46c 34 printf("Number of data read: %d, text from hello.txt file: %s \n", size, buffer);
Kojto 0:a83db87be46c 35 fclose(fp);
Kojto 0:a83db87be46c 36 }
Kojto 0:a83db87be46c 37 printf("End of Lab 4. \n");
Kojto 0:a83db87be46c 38 }