Plymouth University UK SoCEM Staff / Mbed 2 deprecated SDFileSystem_HelloWorld

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Dependencies:   SDFileSystem mbed

Fork of SDFileSystem_HelloWorld by mbed official

main.cpp@2:886ae0153478, 2017-10-05 (annotated)

Committer:
martinsimpson
Date:
Thu Oct 05 10:49:22 2017 +0000
Revision:
2:886ae0153478
Parent:
0:bdbd3d6fc5d5
Child:
4:73d5d4c507c9
wrk

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:bdbd3d6fc5d5 1 #include "mbed.h"
mbed_official 0:bdbd3d6fc5d5 2 #include "SDFileSystem.h"
mbed_official 0:bdbd3d6fc5d5 3
martinsimpson 2:886ae0153478 4 SDFileSystem sd(D11, D12, D13, D10, "sd"); // the pinout on the mbed Cool Components workshop board
martinsimpson 2:886ae0153478 5
martinsimpson 2:886ae0153478 6 char myStr[128];
martinsimpson 2:886ae0153478 7
mbed_official 0:bdbd3d6fc5d5 8 int main() {
martinsimpson 2:886ae0153478 9 printf("Start to write!\n");
mbed_official 0:bdbd3d6fc5d5 10
mbed_official 0:bdbd3d6fc5d5 11 mkdir("/sd/mydir", 0777);
mbed_official 0:bdbd3d6fc5d5 12
mbed_official 0:bdbd3d6fc5d5 13 FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
mbed_official 0:bdbd3d6fc5d5 14 if(fp == NULL) {
mbed_official 0:bdbd3d6fc5d5 15 error("Could not open file for write\n");
mbed_official 0:bdbd3d6fc5d5 16 }
martinsimpson 2:886ae0153478 17 fprintf(fp, "Hello World!");
martinsimpson 2:886ae0153478 18 fprintf(fp, "This is a second line");
martinsimpson 2:886ae0153478 19 fprintf(fp, "and now a third line");
mbed_official 0:bdbd3d6fc5d5 20 fclose(fp);
mbed_official 0:bdbd3d6fc5d5 21
martinsimpson 2:886ae0153478 22 printf("Finished writing and closed file\n");
martinsimpson 2:886ae0153478 23
martinsimpson 2:886ae0153478 24 FILE *fp1 = fopen("/sd/mydir/sdtest.txt", "r");
martinsimpson 2:886ae0153478 25 //fscanf(fp1, "%s", myStr);
martinsimpson 2:886ae0153478 26 fgets(myStr, 12, fp1);
martinsimpson 2:886ae0153478 27 printf("\t%s\n\r",myStr);
martinsimpson 2:886ae0153478 28 fclose(fp1);
mbed_official 0:bdbd3d6fc5d5 29 }