[syntax=c]//wyswietlacz ze wspolna anoda z jedna cyfra, F_CPU 8MHz internal
#include<avr/io.h>
#include<avr/interrupt.h>
#include<util/delay.h>
#include<avr/pgmspace.h>
#include "common.h"
uint8_t const tab[10] PROGMEM =
{
(uint8_t)~(SEG_A|SEG_B|SEG_C|SEG_D|SEG_E|SEG_F), //0
(uint8_t)~(SEG_B|SEG_C), //1
(uint8_t)~(SEG_A|SEG_B|SEG_D|SEG_E|SEG_G), //2
(uint8_t)~(SEG_A|SEG_B|SEG_C|SEG_D|SEG_G), //3
(uint8_t)~(SEG_B|SEG_C|SEG_F|SEG_G), //4
(uint8_t)~(SEG_A|SEG_C|SEG_D|SEG_F|SEG_G), //5
(uint8_t)~(SEG_A|SEG_C|SEG_D|SEG_E|SEG_F|SEG_G), //6
(uint8_t)~(SEG_A|SEG_B|SEG_C), //7
(uint8_t)~(SEG_A|SEG_B|SEG_C|SEG_D|SEG_E|SEG_F|SEG_G), //8
(uint8_t)~(SEG_A|SEG_B|SEG_C|SEG_D|SEG_F|SEG_G) //9
};
void timer_init(void);
void hardware_init(void);
int main(void)
{
hardware_init();
timer_init();
sei();
while(1);
}
void timer_init(void)
{
TCCR0 |= (1<<WGM01);
TCCR0 |= (1<<CS00);
TIMSK |= (1<<OCIE0);
OCR0 = 15;
}
void hardware_init(void)
{
DDR(LED_PORT) |=(SEG_A|SEG_B|SEG_C|SEG_D|SEG_E|SEG_F|SEG_G|SEG_H); //output
PORT(LED_PORT) |= (SEG_A|SEG_B|SEG_C|SEG_D|SEG_E|SEG_F|SEG_G|SEG_H);//segmenty zgaszone
}
ISR(TIMER0_COMP_vect)
{
static uint8_t cnt=1;
static uint8_t pwm_up=0, pwm_down=255;
if(cnt==0){
pwm_down--;
pwm_up++;
}
if (cnt<=pwm_down) PORT(LED_PORT) &= (pgm_read_byte(&tab[4])); //gaszenie segmentow aktualnej cyfry
elsePORT(LED_PORT) |= (SEG_A|SEG_B|SEG_C|SEG_D|SEG_E|SEG_F|SEG_G|SEG_H); // wygaszenie wszytskiego
if (cnt>=pwm_down) PORT(LED_PORT) &= (pgm_read_byte(&tab[1])); // Zapalenie segmentów następnej cyfry
elsePORT(LED_PORT) |= (SEG_A|SEG_B|SEG_C|SEG_D|SEG_E|SEG_F|SEG_G|SEG_H);// wygaszenie wszytskiego
cnt++;
}
[/syntax]Statystyki: Napisane przez Malutki_27 — 4 paź 2012, o 10:51
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