An example using the SDFileSystem library to create a directory and write a fiel to an SD card, using its SPI interface
Dependencies: mbed SDFileSystem
main.cpp@1:27aaaa9f462b, 2010-09-06 (annotated)
- Committer:
- simon
- Date:
- Mon Sep 06 10:01:55 2010 +0000
- Revision:
- 1:27aaaa9f462b
- Parent:
- 0:aee5cf626b88
Update example to include mkdir(), and use the pinout of the cool components workshop board
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
simon | 1:27aaaa9f462b | 1 | // example writing to SD card, sford |
simon | 1:27aaaa9f462b | 2 | |
simon | 0:aee5cf626b88 | 3 | #include "mbed.h" |
simon | 0:aee5cf626b88 | 4 | #include "SDFileSystem.h" |
simon | 0:aee5cf626b88 | 5 | |
simon | 1:27aaaa9f462b | 6 | SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board |
simon | 0:aee5cf626b88 | 7 | |
simon | 0:aee5cf626b88 | 8 | int main() { |
simon | 0:aee5cf626b88 | 9 | printf("Hello World!\n"); |
simon | 0:aee5cf626b88 | 10 | |
simon | 1:27aaaa9f462b | 11 | mkdir("/sd/mydir", 0777); |
simon | 1:27aaaa9f462b | 12 | |
simon | 1:27aaaa9f462b | 13 | FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); |
simon | 0:aee5cf626b88 | 14 | if(fp == NULL) { |
simon | 0:aee5cf626b88 | 15 | error("Could not open file for write\n"); |
simon | 0:aee5cf626b88 | 16 | } |
simon | 0:aee5cf626b88 | 17 | fprintf(fp, "Hello fun SD Card World!"); |
simon | 0:aee5cf626b88 | 18 | fclose(fp); |
simon | 0:aee5cf626b88 | 19 | |
simon | 0:aee5cf626b88 | 20 | printf("Goodbye World!\n"); |
simon | 0:aee5cf626b88 | 21 | } |