Projekt: Hodiny B: Rozdiel medzi revíziami

#include <avr/io.h>


void znak(int number, unsigned char place)

    {


   PORTB = ~(1<<place) & 0b11011111;    // nastavenie sedemsegmentu displaya na ktorom chceme zobrazovat znak
    
	if (number==10) 		//prázdny display
		{    
		PORTD = 0b11111111;
		}

	if (number==11) 		// pomlčka
		{    
		PORTD = 0b10111111;
		}
			if (number==0) 	//0
		{    
		PORTD = 0b11000000;
		}

	if (number==1) 			//1
		{       
		PORTD = 0b11111001;
		}

	if (number==2) 			//2
		{         
		PORTD = 0b10100100;
		}

	if (number==3) 			//3
		{         
		PORTD = 0b10110000;
		}

	if (number==4) 			//4
		{          
		PORTD = 0b10011001;
		}

	if (number==5)			//5 
		{          
		PORTD = 0b10010010;
		}

	if (number==6) 			//6
		{          
		PORTD = 0b10000010;
		}

	if (number==7) 			//7
		{          
		PORTD = 0b11111000;
		}

	if (number==8) 			//8
		{          
		PORTD = 0b10000000;
		}

	if (number==9) 			//9
		{          
		PORTD = 0b10010000;
		}

	if (number==0) 			//0
		{          
		PORTD = 0b11000000;
		}


		
}

void znakmin(int number, unsigned char place)

    {
   PORTB = ~(1<<place) & 0b11011111;

	//tabulka s cislami ale aj s bodkou pre minuty
	if (number==1) 
		{       
		PORTD = 0b01111001;
		}

	if (number==2) 
		{         
		PORTD = 0b00100100;
		}

	if (number==3) 
		{         
		PORTD = 0b00110000;
		}

	if (number==4) 
		{          
		PORTD = 0b00011001;
		}

	if (number==5) 
		{          
		PORTD = 0b00010010;
		}

	if (number==6) 
		{          
		PORTD = 0b00000010;
		}

	if (number==7) 
		{          
		PORTD = 0b01111000;
		}

	if (number==8) 
		{          
		PORTD = 0b00000000;
		}

	if (number==9) 
		{          
		PORTD = 0b00010000;
		}

	if (number==0) 
		{    
		PORTD = 0b01000000;
		}


}

#include <avr/io.h>


void znak(int mumber, int place);

int main (void)
{

// Following two lines are a must for BOOTLOADER
  UCSR0B = 0x00;        // Disable RxD and TxD for UART0
                        // Disable ALL interrupts (Global)
  SREG = SREG & 0x7F;   // same as cli(); but not requiring Interrupts.h


unsigned short i;
unsigned char sec,sekundy, dsec,min,dmin,hod;
	DDRD = 0b11111111;
	DDRB = 0b00101111;
// vynulovanie vsetkych premennych
sec = 0;
dsec = 0;
min = 0;
dmin = 0;
hod = 0;
sekundy = 0;

for (;;)
{
	znak(11,0);   //4 pomlcky na zaciatku
	znak(11,1);
	znak(11,2);
	znak(11,3);

if ( !( PINB & (1<<4) ) ) // caka na stlacenie tlacitka
		{
		for(;;) // nekonecny cyklus
		{

		
		
			for(i=0;i<23526;i++)	// for cyklus prejde za jednu sekundu
			//for(i=0;i<23526;i++)
			{
			
	    	PORTD = 0b11111111;     // prazdny display

	 		znak(sec,0);			//sekundy
	    	PORTD = 0b11111111;
		
			znak (dsec,1);			// desat. sekundy
			PORTD = 0b11111111;	
		
			znakmin (min,2);		//minuty s desatinnou bodkou
			PORTD = 0b11111111;
		
	
			if (dmin>0){			//dminuty, vypisuje iba vtedy ked dmin je>0
				znak (dmin,3);		
				}
			else {
				znak (10,3);
				 }

							 
			PORTD = 0b11111111; 	// prazdny display
			


			}


		sec++;
		sekundy++;

		if (sec ==10)			// ked prekrocime viac ako 10 sek, zvacsi sa dsek o 1
			{
			sec = 0;
			dsec++;
			}
	
		if (dsec ==6)			// ked prekrocime dsek o viac ako 6 tak zvacsi minuty o 1
			{
			dsec = 0;
			min++;
			pip2();
			sekundy = 0;
			}

		if (min ==10)			// ked dosiahneme 10 min zvacsime dmin o 1
			{
			min = 0;
			dmin++;
			}


		if (dmin ==6)
			{
			dmin = 1;
			hod++;
			}		
		
		if ((sekundy > 54) && (sekundy <60))		// od 54 sekundy volame podprogram pipanie do 60 sekundy
				{
				 pip();
		 		}


	    }
	
}
}
}

#include <avr/io.h>

//funkcia pre kratke pipanie
void pip(void)

{
unsigned int pom;
pom = 0;
   PORTB = PORTB | 0b00100000;       //zapnutie bzuciaka       
   TCCR1A = 0b00000000;              // T/C1 in timer mode
   TCCR1B = 0b00000101;              // prescale ck
   TCNT1 = 57722;                  // start value of T/C1 Low+High bytes
   TIFR1 = 0x01;                    //(1<<TOV1);   if a 1 is written to a TOV1 bit
                                    //             - the TOV1 bit will be cleared


 while (pom<8000){
 	pom++;

      if ( (TIFR1 & 0x01) == 0x01)   // If the overflow flag is set
      {
	  	pom++;
        PORTB = PORTB ^ 0b00100000;  // Toggle the 
        TCNT1 = 57722;                  // start value of T/C1 Low+High bytes
        TIFR1 = 0x01;                // Clear the overflow flag
       }
      else
        asm("nop"); 
	}


                      
}

//funkcia pre dlhe pipanie
void pip2(void)

{
unsigned int pom;
pom = 0;
   PORTB = PORTB | 0b00100000;		//zapnutie byuciaka	              
   TCCR1A = 0b00000000;              // T/C1 in timer mode
   TCCR1B = 0b00000101;              // prescale ck
   TCNT1 = 49910;
   TIFR1 = 0x01;                    //(1<<TOV1);   if a 1 is written to a TOV1 bit
                                    //             - the TOV1 bit will be cleared


 while (pom<60000){
 	pom++;

      if ( (TIFR1 & 0x01) == 0x01)   // If the overflow flag is set
      {
	  	pom++;
        PORTB = PORTB ^ 0b00100000;  // Toggle the 
        TCNT1 = 49910;
		TIFR1 = 0x01;                // Clear the overflow flag
       }
      else
        asm("nop"); 
	}


                  
}