Svenska ElektronikForumet

Kod: Markera allt

void testaren(void);

int main(void)
{	
    while(1)
	{
		testaren();
    }
	
	return 0;
}

void testaren(void)
{
	//Allt detta tar 1sec att utföra...
}

Kod: Markera allt

// Counts the RGB up and down with aprox 89steps/sec. So it takes aprox 3sec to go from 0-255.
// So it won't be a stepy convertion between colors.
void rgb_counter(void)
{
	static uint16_t counter = 0;
	
    if (counter > 600)
	{
		for (uint8_t i = 0; i < 3; i++)
		{
			if (rgb_compare[i] < rgb[i])
				rgb[i] - 1;
			else if (rgb_compare[i] > rgb[i])
				rgb[i] + 1;
		}
		
		counter = 0;
	}
	
	counter++;
}


// The Software PWM that controlls the Red, Green and Blue brightness and mix.
// Works at aprox. 200Hz.
void rgb_pwm(void)
{
    static uint8_t counter2 = 0;

    if (counter2 == 0)
        PORTB |= 0x07;

    for (uint8_t a = 0; a < 3; a++)
	{
        if (counter2 > rgb[a])
		{
            PORTB &= ~(1<<a);
		}
	}

    counter2++;
}

Kod: Markera allt

#include <avr/io.h>
#include <avr/interrupt.h>

//globala variabler
unsigned char Count,PWM_R,PWM_G,PWM_B,state;

//
#define PORT_LED PORTB
#define DDR_LED DDRB
#define bit_R 0
#define bit_G 1
#define bit_B 2

#define s0 0
#define s1 1
#define s2 2


ISR(TIMER0_OVF_vect){
	//PWM
	unsigned char temp = PORT_LED & ~((1<<bit_R) | (1<<bit_G) | (1<<bit_B));
	if ( Count < PWM_R) temp |= (1<<bit_R);
	if ( Count < PWM_G) temp |= (1<<bit_G);
	if ( Count < PWM_B) temp |= (1<<bit_B);
	PORT_LED = temp;
	Count++;

	// Dimningen mellan De olika dioderna 
	if (Count == 0xff){
		if (state == s0){
			PWM_R++;
			PWM_G--;
			if (PWM_G == 0) state = s1;
		}
		if (state == s1){
			PWM_B++;
			PWM_R--;
			if (PWM_R == 0) state = s2;
		}
		if (state == s2){
			PWM_G++;
			PWM_B--;
			if (PWM_B == 0) state = s0;
		}
	}
}


void init_pwm(void){
	//
	PORT_LED &=  ~((1<<bit_R) | (1<<bit_G) | (1<<bit_B));
	DDR_LED = (1<<bit_R) | (1<<bit_G) | (1<<bit_B);
	Count = 0;
	TCCR0 = 1 << CS00;
	TIMSK = 1 << TOIE0;
}


int main (void){
	init_pwm();
	PWM_R = 0;
	PWM_G = 255;
	PWM_B = 0;
	state = s0;

	sei();
	for (;;){
		// Gör ingenting
	}
}

Kod: Markera allt

// Counts the RGB up and down with aprox 89steps/sec. So it takes aprox 3sec to go from 0-255.
// So it won't be a stepy convertion between colors.
void rgb_counter(void)
{
	static uint16_t counter = 0;
	
    if (counter > 600)
	{
		if (rgb_compare[0] < rgb[0])
			rgb[0] - 1;
		else if (rgb_compare[0] > rgb[0])
			rgb[0] + 1;
		
		if (rgb_compare[1] < rgb[1])
			rgb[1] - 1;
		else if (rgb_compare[1] > rgb[1])
			rgb[1] + 1;

		if (rgb_compare[2] < rgb[2])
			rgb[2] - 1;
		else if (rgb_compare[2] > rgb[2])
			rgb[2] + 1;

		counter = 0;
	}
	
	counter++;
}


// The Software PWM that controlls the Red, Green and Blue brightness and mix.
// Works at aprox. 200Hz.
void rgb_pwm(void)
{
    static uint8_t counter2 = 0;

    if (counter2 == 0)
        PORTB |= 0x07;

    if (counter2 > rgb[0])
	{
        PORTB &= ~0x01;
	}
	
	if (counter2 > rgb[1])
	{
        PORTB &= ~0x02;
	}
	
	if (counter2 > rgb[2])
	{
        PORTB &= ~0x04;
	}

    counter2++;
}