SDカード
Dependencies: mbed FatFileSystem SDFileSystem
main.cpp@0:f5e031d30eec, 2012-08-12 (annotated)
- Committer:
- jksoft
- Date:
- Sun Aug 12 05:45:35 2012 +0000
- Revision:
- 0:f5e031d30eec
Rev2;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jksoft | 0:f5e031d30eec | 1 | // example writing to SD card, sford |
jksoft | 0:f5e031d30eec | 2 | |
jksoft | 0:f5e031d30eec | 3 | #include "mbed.h" |
jksoft | 0:f5e031d30eec | 4 | #include "SDFileSystem.h" |
jksoft | 0:f5e031d30eec | 5 | |
jksoft | 0:f5e031d30eec | 6 | SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board |
jksoft | 0:f5e031d30eec | 7 | |
jksoft | 0:f5e031d30eec | 8 | int main() { |
jksoft | 0:f5e031d30eec | 9 | printf("Hello World!\n"); |
jksoft | 0:f5e031d30eec | 10 | |
jksoft | 0:f5e031d30eec | 11 | mkdir("/sd/mydir", 0777); |
jksoft | 0:f5e031d30eec | 12 | |
jksoft | 0:f5e031d30eec | 13 | FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); |
jksoft | 0:f5e031d30eec | 14 | if(fp == NULL) { |
jksoft | 0:f5e031d30eec | 15 | error("Could not open file for write\n"); |
jksoft | 0:f5e031d30eec | 16 | } |
jksoft | 0:f5e031d30eec | 17 | fprintf(fp, "Hello fun SD Card World!"); |
jksoft | 0:f5e031d30eec | 18 | fclose(fp); |
jksoft | 0:f5e031d30eec | 19 | |
jksoft | 0:f5e031d30eec | 20 | printf("Goodbye World!\n"); |
jksoft | 0:f5e031d30eec | 21 | } |