Nicholas Dart / Mbed 2 deprecated m3pi_Logo_HelloWorld

This simple program will test the functionality of the m3pi\'s usb port by reading a file on a usb flash drive (called YourText.txt) and printing it to the m3pi\'s inbuilt LCD display.

Dependencies:   mbed m3pi

main.cpp@0:36cb440cb857, 2011-07-08 (annotated)

Committer:
Nicholas
Date:
Fri Jul 08 08:46:48 2011 +0000
Revision:
0:36cb440cb857
M3pi USB text file read and LCD printf of same text document to LCD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Nicholas 0:36cb440cb857 1 #include "mbed.h"
Nicholas 0:36cb440cb857 2 #include "m3pi.h"
Nicholas 0:36cb440cb857 3 #include "MSCFileSystem.h"
Nicholas 0:36cb440cb857 4
Nicholas 0:36cb440cb857 5 DigitalOut myled(LED1);
Nicholas 0:36cb440cb857 6 m3pi m3pi;
Nicholas 0:36cb440cb857 7 MSCFileSystem msc("usb");
Nicholas 0:36cb440cb857 8
Nicholas 0:36cb440cb857 9 //The m3pi can have a maximum of 8 charicters on a row of it's display, so logically that is all we need to accomedate
Nicholas 0:36cb440cb857 10 char YourText[8];
Nicholas 0:36cb440cb857 11
Nicholas 0:36cb440cb857 12 int main() {
Nicholas 0:36cb440cb857 13 //set the file you want to open to /usb/YourFile.txt and we want to read it, so fopen needs 'r'
Nicholas 0:36cb440cb857 14 FILE *YourFile = fopen("/usb/YourFile.txt", "r");
Nicholas 0:36cb440cb857 15 if (YourFile == NULL) {
Nicholas 0:36cb440cb857 16 //if your file isnt there, turn an led on and do nothing else
Nicholas 0:36cb440cb857 17 myled = 1;
Nicholas 0:36cb440cb857 18 while (1) {}
Nicholas 0:36cb440cb857 19 }
Nicholas 0:36cb440cb857 20 //scan untill you hit then end of the document and put everything in YourText as a string
Nicholas 0:36cb440cb857 21 while (!feof(YourFile)) {
Nicholas 0:36cb440cb857 22 fscanf (YourFile, "%s", YourText);
Nicholas 0:36cb440cb857 23 }
Nicholas 0:36cb440cb857 24 m3pi.cls();
Nicholas 0:36cb440cb857 25 //and print your message!
Nicholas 0:36cb440cb857 26 m3pi.printf("%s", YourText);
Nicholas 0:36cb440cb857 27 }