Erik - / Mbed 2 deprecated USBFileSystem_RAMDISK_HelloWorld

RAMDisk example for the USBFileSystem

Dependencies:   mbed USBFileSystem

Fork of USBFileSystem_RAMDISK_HelloWorld by Erik -

main.cpp@5:9261d5bd633b, 2015-01-18 (annotated)

Committer:
Sissors
Date:
Sun Jan 18 21:43:26 2015 +0000
Revision:
5:9261d5bd633b
Parent:
3:fc1bfb25b644 
Actually use count argument

;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Sissors 2:1c8a3c4ba703 1 /*
Sissors 2:1c8a3c4ba703 2 This program is based on Richard Green's RAM_DISK program for the KL25Z
Sissors 2:1c8a3c4ba703 3
Sissors 2:1c8a3c4ba703 4 So all hail the Hypnotoad!!!!
Sissors 2:1c8a3c4ba703 5
Sissors 2:1c8a3c4ba703 6 (And Richard Green, but only after the Hypnotoad)
Sissors 2:1c8a3c4ba703 7 */
Sissors 2:1c8a3c4ba703 8
Sissors 2:1c8a3c4ba703 9
Sissors 2:1c8a3c4ba703 10
ragmondo 0:fc0ff7c1656b 11 #include "mbed.h"
ragmondo 0:fc0ff7c1656b 12 #include "USBMSD_Ram.h"
ragmondo 0:fc0ff7c1656b 13
Sissors 2:1c8a3c4ba703 14 DigitalOut myled(LED1);
Sissors 2:1c8a3c4ba703 15 USBMSD_Ram ram;
Sissors 2:1c8a3c4ba703 16
Sissors 2:1c8a3c4ba703 17 void usbCallback(bool available)
Sissors 2:1c8a3c4ba703 18 {
Sissors 2:1c8a3c4ba703 19 if (available) {
Sissors 2:1c8a3c4ba703 20 FILE *fp = fopen("/USB/IN.txt", "r");
Sissors 2:1c8a3c4ba703 21 char buffer[100];
Sissors 2:1c8a3c4ba703 22 fgets (buffer, 100, fp);
Sissors 2:1c8a3c4ba703 23 printf("%s\r\n", buffer);
Sissors 2:1c8a3c4ba703 24 fclose(fp);
Sissors 2:1c8a3c4ba703 25 }
Sissors 2:1c8a3c4ba703 26 }
ragmondo 0:fc0ff7c1656b 27
Sissors 2:1c8a3c4ba703 28 int main()
Sissors 2:1c8a3c4ba703 29 {
Sissors 2:1c8a3c4ba703 30 ram.attachUSB(&usbCallback);
Sissors 2:1c8a3c4ba703 31
Sissors 2:1c8a3c4ba703 32 wait(0.1);
Sissors 2:1c8a3c4ba703 33 printf("Hello World!\r\n");
Sissors 2:1c8a3c4ba703 34
Sissors 2:1c8a3c4ba703 35 //Connect USB
Sissors 2:1c8a3c4ba703 36 ram.connect();
Sissors 2:1c8a3c4ba703 37
Sissors 2:1c8a3c4ba703 38 FILE* fp;
Sissors 2:1c8a3c4ba703 39 char buffer[101];
Sissors 2:1c8a3c4ba703 40 printf("Type your text here! (100 max length)\n");
Sissors 1:e1b0157ce547 41 while(1) {
Sissors 2:1c8a3c4ba703 42 gets(buffer);
Sissors 2:1c8a3c4ba703 43 myled = !myled;
Sissors 2:1c8a3c4ba703 44
Sissors 2:1c8a3c4ba703 45 //Open file for write, keep trying until we succeed
Sissors 2:1c8a3c4ba703 46 //This is needed because if USB happens to be writing it will fail
Sissors 2:1c8a3c4ba703 47 while(1) {
Sissors 2:1c8a3c4ba703 48 fp = fopen("/USB/OUT.txt", "w");
Sissors 2:1c8a3c4ba703 49 if (fp != NULL)
Sissors 2:1c8a3c4ba703 50 break;
Sissors 2:1c8a3c4ba703 51 }
Sissors 2:1c8a3c4ba703 52 fprintf(fp, buffer);
Sissors 2:1c8a3c4ba703 53 fclose(fp);
Sissors 2:1c8a3c4ba703 54
Sissors 2:1c8a3c4ba703 55 }
Sissors 2:1c8a3c4ba703 56
Sissors 2:1c8a3c4ba703 57 }