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#include "pwm.h"
#define PWM_VAL OCR1AL
//OC1A
void pwm_init(void)
{
DDRB |= (1<<PB5);
TCCR1A = 0;
TCNT1 = 0;
OCR1A = 0;
TCCR1A = (1<<COM1A1) | (1<<WGM10);
TCCR1B = (1<<WGM12);
}
inline void pwm_on(void)
{
TCCR1B = (TCCR1A & 0xF8) | (1<<CS10);
}
inline void pwm_off(void)
{
TCCR1B = (TCCR1A & 0xF8);
TCNT1 = 0;
}
void pwm_set(uint8_t val)
{
if (val > 0)
pwm_on();
else
pwm_off();
PWM_VAL = val;
}
inline void pwm_inc(void)
{
if(PWM_VAL < 255)
PWM_VAL++;
}
inline void pwm_dec(void)
{
if(PWM_VAL > 0)
PWM_VAL--;
}
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