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LCD Clock wt PIC 18F4550

 
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danyboy666



Joined: 01 Mar 2011
Posts: 30

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LCD Clock wt PIC 18F4550
PostPosted: Sun May 15, 2011 12:33 pm     Reply with quote

Hi again, i'm working on a clock program interfaced with an 20x2 LCD display and a pic 4550 clocked at 20Mhz. I've got the whole code up and running but it seems to be a little bit speedy...

Code:
void main()
{
   ////////////////////////////Variables local.//////////////////////////////////
   int32 j;
   int8 k;
   lcd_init();//Initialisation du pilote d'affichage LCD.
   //Faire la boucle tant que l'entré des minutes n'est pas activée.
   do
   {
      //Boucle à compteur pour ajuster le temps à sa valeur réel(60 secondes).
      for(j=1;j<=83000;j++)
      {
         //Appel de la fonction boucle d'affichage.
         Display_Loop(Min1,Min10,Hr10,Hr1);
         //Si l'entré ajustement du temps est activé,changer le temps de la boucle et
         //appel de la fonction ajustement du temps.
         if(input(TIMESET)==0)
         {
            //Boucle à compteur pour accélérer l'écoulement du temps lors de l'ajustement.
            for(k=1;k<=200;k++)
            {
               //Appel de la fonction boucle d'affichage.
               Display_Loop(Min1,Min10,Hr10,Hr1);
            };
            TimeAdjust();//Appel de la fonction ajustement du temps.
         };
      };
      EcouleTemps();//Appel de la fonction écoulement du temps.
   }//Fin de la boucle tant que.
   while(input(TIMESET)==1);
}



i've used the same code with multipexing function and registery shifter with four 7 segments display and i've never had this problem.

Code:
for(j=1;j<=83000;j++)
I thought 60000 would do the trick but i guess not ... i've modified the code a bit though, i had some delays before, but seems i'm not using the multiplexing anymore, i've got rid of them...
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