SDカードへの書き込み
Dependencies: mbed SDFileSystem
Diff: SD.cpp
- Revision:
- 0:0e3ad9c42a27
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SD.cpp Fri Nov 15 12:41:22 2019 +0000 @@ -0,0 +1,18 @@ +#include "mbed.h" +#include "SDFileSystem.h" + +SDFileSystem sd(p5, p6, p7, p8, "sd"); + +int main() { + printf("START!\n"); + + mkdir("/sd/example", 0777); + + FILE *fp = fopen("/sd/example/test.txt", "w"); + if(fp == NULL) { + error("Could not open file for write\n"); + } + fprintf(fp, "Hello World!"); + fclose(fp); + printf("END\n"); +} \ No newline at end of file