SD Card usage example
Dependencies: mbed SDFileSystem
Revision 2:f31ded5c20f3, committed 2022-07-15
- Comitter:
- ffxx68
- Date:
- Fri Jul 15 09:05:56 2022 +0000
- Parent:
- 1:e4d7342be507
- Commit message:
- Initial version
Changed in this revision
SDFileSystem.lib | Show annotated file Show diff for this revision Revisions of this file |
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r e4d7342be507 -r f31ded5c20f3 SDFileSystem.lib --- a/SDFileSystem.lib Tue May 16 05:18:55 2017 +0000 +++ b/SDFileSystem.lib Fri Jul 15 09:05:56 2022 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/SDFileSystem/#8db0d3b02cec +https://os.mbed.com/users/ffxx68/code/SDFileSystem/#3488faedd0d1
diff -r e4d7342be507 -r f31ded5c20f3 main.cpp --- a/main.cpp Tue May 16 05:18:55 2017 +0000 +++ b/main.cpp Fri Jul 15 09:05:56 2022 +0000 @@ -1,19 +1,23 @@ #include "mbed.h" #include "SDFileSystem.h" -SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board - +//SDFileSystem sd(p5, p6, p7, p8, "sd"); // mosi, miso, sclk, cs +SDFileSystem sd(PB_5, PB_4, PB_3, PA_10, "sd"); // mosi, miso, sclk, cs + int main() { - printf("Hello World!\n"); - - mkdir("/sd/mydir", 0777); - - FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); - if(fp == NULL) { - error("Could not open file for write\n"); - } + printf("SD Card Testbed\n"); + + //Perform a write test + printf("Writing to SD card... "); + FILE *fp = fopen("/sd/sdtest.txt", "w"); + if (fp != NULL) { + fprintf(fp, "We're writing to an SD card!"); + fclose(fp); + printf("success!\n"); + } else + printf("failed!\n"); fprintf(fp, "Hello fun SD Card World!"); fclose(fp); - + printf("Goodbye World!\n"); }