Counter Display (ZiLOG)

Counter Display:

Z8encore! project: Counter.zip (just the source counter.c )

Other files required: zllLib.zip

This project uses the Display Library to create a 4 digit counter plus senses the push buttons to switch modes to a scrolling display.

CODE

#include <stdio.h>
#include <eZ8.h>

#include "zlLib.h"

static rom char Message[] = "Hey. This is fun";

main ()
{
unsigned char Mode = 0;
char Fun[10];
unsigned int Counter = 0;
unsigned int MessageIndex = 0;

zlInit();

while(1){
zlDelayms(25);
switch(Mode){
case 0:
sprintf(Fun,"%04d",Counter);
Counter++;
if(Counter>9999) Counter = 0;
break;

case 1:
if(Counter==5){
Fun[0] = Message[MessageIndex+0];
Fun[1] = Message[MessageIndex+1];
Fun[2] = Message[MessageIndex+2];
Fun[3] = Message[MessageIndex+3];
if(Message[MessageIndex]=='\0'){
MessageIndex = 0;
}
else{
MessageIndex++;
}
Counter = 0;
}
else{
Counter++;
}
break;

case 2:
sprintf(Fun,"%04d",Counter);
break;
}

zlWriteDisplay(Fun);

if(zlGetButton(0)){ // PD3 Button
Mode = 0;
Counter = 0;
}
if(zlGetButton(1)){ // PF6 button
Mode = 1;
Counter = 0;
}
if(zlGetButton(2)){ // PF7 button
Mode = 2;
//Counter = 0;
}
}
}