Murat Kilivan / S25FL216K_LocalFileSystem

An example program for the S25FL216K flash memory

Dependencies:   S25FL216K_FATFileSystem mbed

Fork of S25FL216K_HelloWorld by Erik -

main.cpp@3:321618d7c9a5, 2013-11-19 (annotated)

Committer:
Sissors
Date:
Tue Nov 19 21:09:35 2013 +0000
Revision:
3:321618d7c9a5
Parent:
1:e8698224bb08
Child:
4:6a2931c19204
Bugfix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Sissors 0:5e431050adf7 1 #include "mbed.h"
Sissors 0:5e431050adf7 2 #include "Flash_USBFileSystem.h"
Sissors 0:5e431050adf7 3
Sissors 0:5e431050adf7 4 DigitalOut myled(LED1);
Sissors 0:5e431050adf7 5 FlashUSB flash(PTD6, PTD7, PTB11, PTE4);
Sissors 0:5e431050adf7 6
Sissors 0:5e431050adf7 7 void usbCallback(bool available)
Sissors 0:5e431050adf7 8 {
Sissors 0:5e431050adf7 9 if (available) {
Sissors 1:e8698224bb08 10 FILE *fp = fopen("/USB/in.txt", "r");
Sissors 0:5e431050adf7 11 char buffer[100];
Sissors 0:5e431050adf7 12 fgets (buffer, 100, fp);
Sissors 0:5e431050adf7 13 printf("%s\r\n", buffer);
Sissors 0:5e431050adf7 14 fclose(fp);
Sissors 0:5e431050adf7 15 }
Sissors 0:5e431050adf7 16 }
Sissors 0:5e431050adf7 17
Sissors 0:5e431050adf7 18 int main()
Sissors 0:5e431050adf7 19 {
Sissors 0:5e431050adf7 20 flash.attachUSB(&usbCallback);
Sissors 3:321618d7c9a5 21
Sissors 0:5e431050adf7 22 wait(0.1);
Sissors 0:5e431050adf7 23 printf("Hello World!\r\n");
Sissors 0:5e431050adf7 24
Sissors 1:e8698224bb08 25 FILE *fp = fopen("/USB/in.txt", "w");
Sissors 0:5e431050adf7 26
Sissors 0:5e431050adf7 27 if(fp == NULL) {
Sissors 0:5e431050adf7 28 printf("Could not open file, assuming unformatted disk!\r\n");
Sissors 3:321618d7c9a5 29 printf("Formatting disk!\r\n");
Sissors 3:321618d7c9a5 30 flash.format();
Sissors 3:321618d7c9a5 31 printf("Disk formatted!\r\n");
Sissors 3:321618d7c9a5 32 printf("Reset your device!\r\n");
Sissors 1:e8698224bb08 33 while(1);
Sissors 0:5e431050adf7 34 } else {
Sissors 0:5e431050adf7 35 wait(0.2);
Sissors 0:5e431050adf7 36 fprintf(fp, "Type your text here!");
Sissors 0:5e431050adf7 37 fclose(fp);
Sissors 0:5e431050adf7 38 }
Sissors 0:5e431050adf7 39
Sissors 0:5e431050adf7 40 //Connect USB
Sissors 0:5e431050adf7 41 flash.connect();
Sissors 1:e8698224bb08 42 flash.usbMode(1); //Disconnect USB when files are locally written
Sissors 1:e8698224bb08 43
Sissors 1:e8698224bb08 44 char buffer[101];
Sissors 1:e8698224bb08 45 printf("Type your text here! (100 max length)\n");
Sissors 0:5e431050adf7 46 while(1) {
Sissors 1:e8698224bb08 47 gets(buffer);
Sissors 0:5e431050adf7 48 myled = !myled;
Sissors 1:e8698224bb08 49
Sissors 1:e8698224bb08 50 //Open file for write, keep trying until we succeed
Sissors 1:e8698224bb08 51 //This is needed because if USB happens to be writing it will fail
Sissors 1:e8698224bb08 52 while(1) {
Sissors 1:e8698224bb08 53 fp = fopen("/USB/out.txt", "w");
Sissors 1:e8698224bb08 54 if (fp != NULL)
Sissors 1:e8698224bb08 55 break;
Sissors 1:e8698224bb08 56 }
Sissors 1:e8698224bb08 57 fprintf(fp, buffer);
Sissors 1:e8698224bb08 58 fclose(fp);
Sissors 1:e8698224bb08 59
Sissors 0:5e431050adf7 60 }
Sissors 0:5e431050adf7 61
Sissors 0:5e431050adf7 62 }