SD Card usage example
Dependencies: mbed SDFileSystem
main.cpp@2:f31ded5c20f3, 22 months ago (annotated)
- Committer:
- ffxx68
- Date:
- Fri Jul 15 09:05:56 2022 +0000
- Revision:
- 2:f31ded5c20f3
- Parent:
- 0:bdbd3d6fc5d5
Initial version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 0:bdbd3d6fc5d5 | 1 | #include "mbed.h" |
mbed_official | 0:bdbd3d6fc5d5 | 2 | #include "SDFileSystem.h" |
mbed_official | 0:bdbd3d6fc5d5 | 3 | |
ffxx68 | 2:f31ded5c20f3 | 4 | //SDFileSystem sd(p5, p6, p7, p8, "sd"); // mosi, miso, sclk, cs |
ffxx68 | 2:f31ded5c20f3 | 5 | SDFileSystem sd(PB_5, PB_4, PB_3, PA_10, "sd"); // mosi, miso, sclk, cs |
ffxx68 | 2:f31ded5c20f3 | 6 | |
mbed_official | 0:bdbd3d6fc5d5 | 7 | int main() { |
ffxx68 | 2:f31ded5c20f3 | 8 | printf("SD Card Testbed\n"); |
ffxx68 | 2:f31ded5c20f3 | 9 | |
ffxx68 | 2:f31ded5c20f3 | 10 | //Perform a write test |
ffxx68 | 2:f31ded5c20f3 | 11 | printf("Writing to SD card... "); |
ffxx68 | 2:f31ded5c20f3 | 12 | FILE *fp = fopen("/sd/sdtest.txt", "w"); |
ffxx68 | 2:f31ded5c20f3 | 13 | if (fp != NULL) { |
ffxx68 | 2:f31ded5c20f3 | 14 | fprintf(fp, "We're writing to an SD card!"); |
ffxx68 | 2:f31ded5c20f3 | 15 | fclose(fp); |
ffxx68 | 2:f31ded5c20f3 | 16 | printf("success!\n"); |
ffxx68 | 2:f31ded5c20f3 | 17 | } else |
ffxx68 | 2:f31ded5c20f3 | 18 | printf("failed!\n"); |
mbed_official | 0:bdbd3d6fc5d5 | 19 | fprintf(fp, "Hello fun SD Card World!"); |
mbed_official | 0:bdbd3d6fc5d5 | 20 | fclose(fp); |
ffxx68 | 2:f31ded5c20f3 | 21 | |
mbed_official | 0:bdbd3d6fc5d5 | 22 | printf("Goodbye World!\n"); |
mbed_official | 0:bdbd3d6fc5d5 | 23 | } |