Svenska ElektronikForumet

Kod: Markera allt

#include <pic.h>

void sjuseg(int siffra);

unsigned long tid = 0;

void main()
{
	//variables that are needed for in the loops
	int j,k,i;
	char ental=0, tiotal=0, hundratal=0;
	int temptid;

	//set the apropiat I/O for the different ports.
	TRISA = 0b00010000;
	TRISB = 0b00000000;
	TRISC = 0b11011000;
	ANSELH =0b00000011;
	ANSEL = 0b10000000;
	WPUA4 = 0;
	
	//init
	//RA4 = 0;
	
	//config TMR0 and intterupt.
	OPTION = 0b01010001;
	INTCON = 0b10100000;

	//config ADC
	ADCON1 = 0b00100000;
	ADCON0 = 0b00001001;

	//wait a short wile for ADC capacitor to charge.
	for(j=0; j< 30000;j++);
		

	j = 0;
	while(1){

		//turn off the timer.
		T0CS = 1;
		RC5 = 1;
		j=0;
		while(tid == 0)
		{
			
			//start a conversion for the first number.
			CHS0 = 1;
			CHS1 = 0;
			CHS2 = 0;
			CHS3 = 1;
			GODONE = 1;
			while(GODONE);
			ental = ADRESH/26;
						
			for(i=0;i<100;i++);

			//do the next one.
			CHS0 = 0;
			CHS1 = 0;
			CHS2 = 0;
			CHS3 = 1;
			GODONE = 1;
			while(GODONE);
			tiotal = ADRESH/26;

			for(i=0;i<100;i++);
			
			//do the next one.
			CHS0 = 1;
			CHS1 = 1;
			CHS2 = 1;
			CHS3 = 0;
			GODONE = 1;
			while(GODONE);
			hundratal = ADRESH/26;
			
			for(i=0;i<100;i++);

			switch(j%3){
			case 0:
				sjuseg(ental);
				RB5 = 0;
				RB6 = 1;
				RA5 = 1;
				break;
			case 1:
				sjuseg(tiotal);
				RB5 = 1;
				RB6 = 0;
				RA5 = 1;
				break;
			case 2:
				sjuseg(hundratal);
				RB5 = 1;
				RB6 = 1;
				RA5 = 0;
				break;
			};
			j++;
			
			if(RC4 == 1 && j>100)
				tid = (ental + tiotal*10 + hundratal*100)*100;
			if(RA4 == 1){
				RC5 = 0;
				while(RA4);
				RC5 = 1;
			}
	
		}

		//turn on the timer.
		T0CS = 0;
		//Turn on the relay	
		RC5 = 0;
		j=0;
		while(tid != 0){
			//calulate current time.
			temptid = tid/100;
			ental = temptid%10;
			tiotal = (temptid%100)/10;
			hundratal = temptid/100;
		

			switch(j%3){
			case 0:
				sjuseg(ental);
				RB5 = 0;
				RB6 = 1;
				RA5 = 1;
			break;
			case 1:
				sjuseg(tiotal);
				RB5 = 1;
				RB6 = 0;
				RA5 = 1;
				break;
			case 2:
				sjuseg(hundratal);
				RB5 = 1;
				RB6 = 1;
				RA5 = 0;
				break;
			};
			j++;

			if(RC4 == 1 && j>200)
				tid=0;
		}
	}
}

void interrupt tmr()
{
	//intterput handling function.
	if(tid != 0)
		tid--;
	
	TMR0 = 24;
	T0IF = 0;
}

void sjuseg(int siffra)
{
	switch(siffra)
	{
		case 0:
			RA0 = 1;
			RA1 = 1;
			RA2 = 1;
			RC0 = 1;
			RC1 = 1;
			RC2 = 1;
			RB4 = 0;
			break;
		case 1:
			RA0 = 0;
			RA1 = 1;
			RA2 = 1;
			RC0 = 0;
			RC1 = 0;
			RC2 = 0;
			RB4 = 0;
			break;
		case 2:
			RA0 = 1;
			RA1 = 1;
			RA2 = 0;
			RC0 = 1;
			RC1 = 1;
			RC2 = 0;
			RB4 = 1;
			break;
		case 3:
			RA0 = 1;
			RA1 = 1;
			RA2 = 1;
			RC0 = 1;
			RC1 = 0;
			RC2 = 0;
			RB4 = 1;
			break;
		case 4:
			RA0 = 0;
			RA1 = 1;
			RA2 = 1;
			RC0 = 0;
			RC1 = 0;
			RC2 = 1;
			RB4 = 1;
			break;
		case 5:
			RA0 = 1;
			RA1 = 0;
			RA2 = 1;
			RC0 = 1;
			RC1 = 0;
			RC2 = 1;
			RB4 = 1;
			break;
		case 6:
			RA0 = 1;
			RA1 = 0;
			RA2 = 1;
			RC0 = 1;
			RC1 = 1;
			RC2 = 1;
			RB4 = 1;
			break;
		case 7:
			RA0 = 1;
			RA1 = 1;
			RA2 = 1;
			RC0 = 0;
			RC1 = 0;
			RC2 = 0;
			RB4 = 0;
			break;
		case 8:
			RA0 = 1;
			RA1 = 1;
			RA2 = 1;
			RC0 = 1;
			RC1 = 1;
			RC2 = 1;
			RB4 = 1;
			break;
		case 9:
			RA0 = 1;
			RA1 = 1;
			RA2 = 1;
			RC0 = 0;
			RC1 = 0;
			RC2 = 1;
			RB4 = 1;
			break;
	};
}	

Kod: Markera allt

for(i=0;i<100;i++);

         //do the next one.
         CHS0 = 0;
         CHS1 = 0;
         CHS2 = 0;
         CHS3 = 1;
         GODONE = 1;
         while(GODONE);
         tiotal = ADRESH/26;

Kod: Markera allt

         for(i=0;i<100;i++);

         //do the next one.
         CHS0 = x;
         CHS1 = x;
         CHS2 = x;
         CHS3 = x;
         GODONE = 1;

Kod: Markera allt

         //do the next one.
         CHS0 = x;
         CHS1 = x;
         CHS2 = x;
         CHS3 = x;
         for(i=0;i<100;i++);
         GODONE = 1;