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| 1 | #include<avr/io.h> | |
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | int main(void){
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| 6 | - | TCCR0 |= (1<<CS00);// | (1<<CS01); |
| 6 | + | |
| 7 | - | TCCR0 |= ~(1<<CS01); |
| 7 | + | TCCR0 |= (1<<CS02) | (1<<CS00);// ustawienie preskalera na 1024 |
| 8 | ||
| 9 | //TCCR0 |= ~(1<<CS01); | |
| 10 | DDRA = 0xFF; | |
| 11 | ||
| 12 | while (1){
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| 13 | PORTA = 0x00; | |
| 14 | opuzn(200); | |
| 15 | PORTA = 0xFF; | |
| 16 | opuzn(200); | |
| 17 | } | |
| 18 | ||
| 19 | } | |
| 20 | ||
| 21 | int opuzn(int czas){
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| 22 | ||
| 23 | while(1){
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| 24 | ||
| 25 | if(TIFR & (1<<TOV0)){
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| 26 | TIFR |= (1<<TOV0); | |
| 27 | TCNT0 = 255 - czas; | |
| 28 | return 0; | |
| 29 | } | |
| 30 | } | |
| 31 | } |
