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Dependencies: SDFileSystem mbed
main.cpp@0:2ff730fe4ebd, 2016-10-21 (annotated)
- Committer:
- tangcan0823
- Date:
- Fri Oct 21 04:16:12 2016 +0000
- Revision:
- 0:2ff730fe4ebd
sample;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
tangcan0823 | 0:2ff730fe4ebd | 1 | // example writing to SD card, sford |
tangcan0823 | 0:2ff730fe4ebd | 2 | |
tangcan0823 | 0:2ff730fe4ebd | 3 | #include "mbed.h" |
tangcan0823 | 0:2ff730fe4ebd | 4 | #include "SDFileSystem.h" |
tangcan0823 | 0:2ff730fe4ebd | 5 | |
tangcan0823 | 0:2ff730fe4ebd | 6 | SDFileSystem sd(p25, p28, p29, p21, "sd"); // the pinout on the mbed Cool Components workshop board |
tangcan0823 | 0:2ff730fe4ebd | 7 | |
tangcan0823 | 0:2ff730fe4ebd | 8 | int main() { |
tangcan0823 | 0:2ff730fe4ebd | 9 | printf("Hello World!\n"); |
tangcan0823 | 0:2ff730fe4ebd | 10 | |
tangcan0823 | 0:2ff730fe4ebd | 11 | mkdir("/sd/mydir", 0777); |
tangcan0823 | 0:2ff730fe4ebd | 12 | |
tangcan0823 | 0:2ff730fe4ebd | 13 | FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); |
tangcan0823 | 0:2ff730fe4ebd | 14 | if(fp == NULL) { |
tangcan0823 | 0:2ff730fe4ebd | 15 | error("Could not open file for write\n"); |
tangcan0823 | 0:2ff730fe4ebd | 16 | } |
tangcan0823 | 0:2ff730fe4ebd | 17 | fprintf(fp, "Hello fun SD Card World!"); |
tangcan0823 | 0:2ff730fe4ebd | 18 | fclose(fp); |
tangcan0823 | 0:2ff730fe4ebd | 19 | |
tangcan0823 | 0:2ff730fe4ebd | 20 | printf("Goodbye World!\n"); |
tangcan0823 | 0:2ff730fe4ebd | 21 | } |