SDカードへの書き込み
Dependencies: mbed SDFileSystem
SD.cpp@0:0e3ad9c42a27, 2019-11-15 (annotated)
- Committer:
- seijakunouenimutou
- Date:
- Fri Nov 15 12:41:22 2019 +0000
- Revision:
- 0:0e3ad9c42a27
SDcard program
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
seijakunouenimutou | 0:0e3ad9c42a27 | 1 | #include "mbed.h" |
seijakunouenimutou | 0:0e3ad9c42a27 | 2 | #include "SDFileSystem.h" |
seijakunouenimutou | 0:0e3ad9c42a27 | 3 | |
seijakunouenimutou | 0:0e3ad9c42a27 | 4 | SDFileSystem sd(p5, p6, p7, p8, "sd"); |
seijakunouenimutou | 0:0e3ad9c42a27 | 5 | |
seijakunouenimutou | 0:0e3ad9c42a27 | 6 | int main() { |
seijakunouenimutou | 0:0e3ad9c42a27 | 7 | printf("START!\n"); |
seijakunouenimutou | 0:0e3ad9c42a27 | 8 | |
seijakunouenimutou | 0:0e3ad9c42a27 | 9 | mkdir("/sd/example", 0777); |
seijakunouenimutou | 0:0e3ad9c42a27 | 10 | |
seijakunouenimutou | 0:0e3ad9c42a27 | 11 | FILE *fp = fopen("/sd/example/test.txt", "w"); |
seijakunouenimutou | 0:0e3ad9c42a27 | 12 | if(fp == NULL) { |
seijakunouenimutou | 0:0e3ad9c42a27 | 13 | error("Could not open file for write\n"); |
seijakunouenimutou | 0:0e3ad9c42a27 | 14 | } |
seijakunouenimutou | 0:0e3ad9c42a27 | 15 | fprintf(fp, "Hello World!"); |
seijakunouenimutou | 0:0e3ad9c42a27 | 16 | fclose(fp); |
seijakunouenimutou | 0:0e3ad9c42a27 | 17 | printf("END\n"); |
seijakunouenimutou | 0:0e3ad9c42a27 | 18 | } |