58 lines
1 KiB
C
Executable file
58 lines
1 KiB
C
Executable file
/*
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* led_gen.c
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*
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* Created: 03/12/2021 14:25:05
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* Author: 40008304
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*/
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#include "led_gen.h"
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volatile unsigned char led1_state=0;
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volatile unsigned char led2_state=0;
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void led1_init(void)
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{
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TCCR1|=(1<<CTC1)|(1<<COM1A0); //on active le mode CTC en comparant OCR1C, COM1A0 : mode toggle
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OCR1C=68; //d'apres retroingenieurie OCR1C=16
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TCCR1|=(1<<CS10)|(1<<CS11); //on active la clock, prediv de 4
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DDRB |= (1<<PB1);
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led1_state=1;
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}
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void led2_init(void)
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{
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GTCCR|=(1<<COM1B0); //COM1B0 : mode toggle
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OCR1C=68; //d'apres retroingenieurie OCR1C=16
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TCCR1|=(1<<CS10)|(1<<CS11); //on active la clock, prediv de 4
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DDRB |= (1<<PB4);
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led2_state=1;
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}
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void led1_stop(void)
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{
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DDRB &= ~(1<<PB1);
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TCCR1 &= ~(1<<COM1A0);
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led1_state=0;
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}
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void led2_stop(void)
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{
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DDRB &= ~(1<<PB4);
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GTCCR &= ~(1<<COM1B0);
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led2_state=0;
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}
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void timer0_init(void)
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{
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TCCR0A=0x00; //Normal mode
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TCCR0B=0x00;
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TCCR0B |= (1<<CS01); //prescaling with 8
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TCNT0=0;
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TIMSK|=(1<<TOIE0);
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}
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