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USB MSD using the AHBSRAM banks 0 and 1 to create a 32k RAM disk. After FAT format 12kb is writable
Dependencies: USBDevice USBMSD_RAM mbed
Fork of USB-MSD_SD_HelloWorld_Mbed-RAMVersion by
main.cpp
- Committer:
- samux
- Date:
- 2011-12-06
- Revision:
- 14:757226626acb
- Parent:
- 13:32b8a767cf0e
- Child:
- 16:c753717bfd4d
File content as of revision 14:757226626acb:
#include "mbed.h" #include "SDFileSystem.h" SDFileSystem sd(p5, p6, p7, p8, "sd"); DigitalIn button(p16); int main() { char dir[30]; char file[30]; int count =0; sd.connect(); while (1) { sprintf(dir, "/sd/dir%d", count++); mkdir(dir, 0777); sprintf(file, "%s/test.txt", dir); FILE *fp = fopen(file, "w"); if (fp != NULL) { printf("will write !!\r\n"); fprintf(fp, "Hello fun SD Card World!"); fclose(fp); } else { printf("Could not open file for write\r\n"); } wait(3); } }