Created
March 21, 2016 16:31
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| #include<avr/io.h> | |
| #define LED PD4 | |
| int main() | |
| { | |
| DDRD=0xff; //configure PORTD as output | |
| OCR1AH = 0x3d; | |
| OCR1AL = 0x09; | |
| TCCR1B = (1<<CS10) | (1<<CS12); | |
| while(1) | |
| { | |
| while ((TIFR & 0x10) == 0); | |
| TCNT1L = 0x00; | |
| TCNT1H = 0x00; | |
| TIFR=0x10; //clear timer1 overflow flag | |
| PORTD ^= (0x01 << LED); | |
| } | |
| } | |
| } | |
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