Rainer Raul / Mbed 2 deprecated testsdprogram

mbed studio

Dependencies:   mbed

main.cpp@0:6444a20e1a0e, 2022-05-18 (annotated)

Committer:
rainerraul
Date:
Wed May 18 14:43:41 2022 +0000
Revision:
0:6444a20e1a0e
mbed studio

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rainerraul 0:6444a20e1a0e 1 #include "mbed.h"
rainerraul 0:6444a20e1a0e 2 #include "stdio.h"
rainerraul 0:6444a20e1a0e 3 #include "stdint.h"
rainerraul 0:6444a20e1a0e 4 #include "stdlib.h"
rainerraul 0:6444a20e1a0e 5 #include "SPI.h"
rainerraul 0:6444a20e1a0e 6 #include "SDFileSystem.h"
rainerraul 0:6444a20e1a0e 7
rainerraul 0:6444a20e1a0e 8 Serial terminal(USBTX, USBRX);
rainerraul 0:6444a20e1a0e 9
rainerraul 0:6444a20e1a0e 10 //Create an SDFileSystem object
rainerraul 0:6444a20e1a0e 11 SDFileSystem sd(PA_7, PA_6, PA_5, PB_6, "sd"); // mosi, miso, sclk, cs
rainerraul 0:6444a20e1a0e 12
rainerraul 0:6444a20e1a0e 13 int main()
rainerraul 0:6444a20e1a0e 14 {
rainerraul 0:6444a20e1a0e 15 wait(0.5);
rainerraul 0:6444a20e1a0e 16 terminal.baud(115200);
rainerraul 0:6444a20e1a0e 17 //Mount the filesystem
rainerraul 0:6444a20e1a0e 18 sd.mount();
rainerraul 0:6444a20e1a0e 19 //Perform a write test
rainerraul 0:6444a20e1a0e 20 printf("\nWriting to SD card...");
rainerraul 0:6444a20e1a0e 21 FILE *fp = fopen("/sd/sdtest.txt", "w");
rainerraul 0:6444a20e1a0e 22 if (fp != NULL) {
rainerraul 0:6444a20e1a0e 23 fprintf(fp, "We're writing to an SD card!");
rainerraul 0:6444a20e1a0e 24 fclose(fp);
rainerraul 0:6444a20e1a0e 25 printf("success!\n");
rainerraul 0:6444a20e1a0e 26 } else {
rainerraul 0:6444a20e1a0e 27 printf("failed!\n");
rainerraul 0:6444a20e1a0e 28 }
rainerraul 0:6444a20e1a0e 29
rainerraul 0:6444a20e1a0e 30 //Perform a read test
rainerraul 0:6444a20e1a0e 31 printf("Reading from SD card...");
rainerraul 0:6444a20e1a0e 32 fp = fopen("/sd/sdtest.txt", "r");
rainerraul 0:6444a20e1a0e 33 if (fp != NULL) {
rainerraul 0:6444a20e1a0e 34 char c = fgetc(fp);
rainerraul 0:6444a20e1a0e 35 if (c == 'W')
rainerraul 0:6444a20e1a0e 36 printf("success!\n");
rainerraul 0:6444a20e1a0e 37 else
rainerraul 0:6444a20e1a0e 38 printf("incorrect char (%c)!\n", c);
rainerraul 0:6444a20e1a0e 39 fclose(fp);
rainerraul 0:6444a20e1a0e 40 } else {
rainerraul 0:6444a20e1a0e 41 printf("failed!\n");
rainerraul 0:6444a20e1a0e 42 }
rainerraul 0:6444a20e1a0e 43 sd.unmount();
rainerraul 0:6444a20e1a0e 44 //Unmount the filesystem
rainerraul 0:6444a20e1a0e 45 // sd.unmount();
rainerraul 0:6444a20e1a0e 46 }