Drzewko z Fafkulców II + sterownik 40 diod RGB

Code C - [expand]
#define F_CPU 1000000UL
 
#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
 
#define czas_zmiany 1
#define R PORTB
#define G PORTC
#define B PORTD
unsigned int kolumna=1;
volatile unsigned int R1, R2, R3, R4;
volatile unsigned int G1, G2, G3, G4;
volatile unsigned int B1, B2, B3, B4;
 
ISR (TIMER0_OVF_vect)
{    
    switch(kolumna) 
    { 
    case 1: 
      PORTB=R1; 
      PORTC=G1; 
      PORTD=B1; 
      PORTB=0b11111110; 
      break; 
    case 2: 
      PORTB=R2; 
      PORTC=G2; 
      PORTD=B2;  
      PORTA=0b11111101; 
      break; 
    case 3: 
      PORTB=R3; 
      PORTC=G3; 
      PORTD=B3; 
      PORTA=0b11111011; 
      break; 
/*
    case 4: 
      PORTA=R4; 
      PORTC=G4; 
      PORTD=B4; 
      PORTB=0b11110111; 
      break; 
    case 5: 
      PORTA=R5; 
      PORTC=G5; 
      PORTD=B5; 
      PORTB=0b11101111; 
     break; 
*/
     }
 
     kolumna=kolumna+1; 
     if (kolumna==4) 
       kolumna=1; 
	  TCNT0 = 231;
 
	   //_delay_ms(1);
} 
 
 
void Init_interrups()
{
	TCCR0 = (1<<CS01) | (1<<CS11); //Preskaler 64
	TIMSK |= (1<<TOIE0); //Włączenie przerwań
}
 
int main(void) 
{	
   	DDRA=0xff; //Kolumy 
	DDRC=0xff; //Zielony
	DDRD=0xff; //Niebieski
	DDRB=0xff; //Czerwony 
 
	Init_interrups();
	sei();
	while (1)
   	{
		PORTD = 0xff;
 
	}
  	return 0;           
}