Unix-style Fortune teller text display on LCD
Dependencies: 4DGL-uLCD-SE SDFileSystem mbed
Diff: main.cpp
- Revision:
- 0:672a66c015ca
- Child:
- 1:4d5e6b8edd00
diff -r 000000000000 -r 672a66c015ca main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Mar 09 02:09:20 2015 +0000 @@ -0,0 +1,44 @@ +#include "mbed.h" +#include "SDFileSystem.h" +#include "uLCD_4DGL.h" + +SDFileSystem sd(p11, p12, p13, p14, "sd"); //sd card +DigitalIn pb(p21); //pushbutton +uLCD_4DGL uLCD(p9,p10,p8); // serial tx, serial rx, reset pin; + +int main() { + char buffer[300]; //buffer to store the quotation + float rando=0; //variable responsible to receive the random value + uLCD.cls(); //clear the screen + printf("Hello\n"); //check the conection with the computer + + mkdir("/sd/mydir", 0777); //create a folder calle mydir + //Create the file with the quotations + FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); + if(fp == NULL) { + error("Could not open file for write\n"); + } + fprintf(fp, "It is much harder to find a job than to keep one.\nNo act of kindness, no matter how small, is ever wasted. -- Aesop\nDistance doesn't make you any smaller, but it does make you part of a larger picture.\nGod instructs the heart, not by ideas, but by pains and contradictions. -- De Caussade\nYou can always tell the people that are forging the new frontier. They're the ones with arrows sticking out of their backs.\nMan belongs wherever he wants to go. -- Wernher von Braun\nLife is too important to take seriously -- Corky Siegel\nShe never liked zippers, she said, until she opened one in bed.\nSales tax applies.\nGod created a few perfect heads. The rest he covered with hair.\n"); + fclose(fp); + + printf("Aperte o botao\n");//lets you know when the file is created + while (true){ + if (pb == 1){ + //open the file to be read + FILE *ft = fopen("/sd/mydir/sdtest.txt", "r+"); + if(ft == NULL) { + error("Could not open file for write\n"); + } + + rando = rand()%10+1;//random value + for(int i=0; i<rando; i++){ //copy to buffer the quotation of the random value + fgets(buffer, 300, ft); + } + uLCD.cls(); + uLCD.printf("%s\n", buffer); //prints in the scrren the string + printf("%s\n", buffer); + fclose(ft); + wait(0.2); + } + } +}