avr_libraries/zh_avr_ac_dimmer
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This commit is contained in:
Alexey Zholtikov
2025-10-10 14:58:07 +03:00
parent 832829368c
commit ba567605b8
1 changed files with 11 additions and 7 deletions
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18
zh_avr_ac_dimmer.c
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@@ -1,5 +1,5 @@
#include "zh_avr_ac_dimmer.h" #include "zh_avr_ac_dimmer.h"
// https://avr-start.ru/?p=3983
static zh_avr_ac_dimmer_init_config_t _init_config = {0}; static zh_avr_ac_dimmer_init_config_t _init_config = {0};
volatile static bool _is_dimmer_work = false; volatile static bool _is_dimmer_work = false;
volatile static uint8_t _dimmer_value = 0; volatile static uint8_t _dimmer_value = 0;
@@ -48,27 +48,28 @@ avr_err_t zh_avr_ac_dimmer_set(uint8_t value)
void zh_avr_ac_dimmer_isr_handler(void) void zh_avr_ac_dimmer_isr_handler(void)
{ {
uint8_t flag = false; bool flag = false;
switch (_init_config.zero_cross_port) switch (_init_config.zero_cross_port)
{ {
case AVR_PORTB: case AVR_PORTB:
if ((PINB & (1 << _init_config.zero_cross_gpio)) == 0) if ((PINB & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{ {
flag = true; flag = true;
} }
break; break;
case AVR_PORTC: case AVR_PORTC:
if ((PINC & (1 << _init_config.zero_cross_gpio)) == 0) if ((PINC & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{ {
flag = true; flag = true;
} }
break; break;
case AVR_PORTD: case AVR_PORTD:
if ((PIND & (1 << _init_config.zero_cross_gpio)) == 0) if ((PIND & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{ {
flag = true; flag = true;
} }
break; break;
default: default:
break; break;
} }
@@ -101,9 +102,11 @@ void zh_avr_ac_dimmer_isr_handler(void)
} }
else else
{ {
cli();
TCNT0 = 0; TCNT0 = 0;
TIFR0 = (1 << OCF0A); // TIFR0 = (1 << OCF0A);
TIMSK0 |= (1 << OCIE0A); TIMSK0 |= (1 << OCIE0A);
sei();
} }
} }
} }
@@ -235,6 +238,7 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
ISR(TIMER0_COMPA_vect) ISR(TIMER0_COMPA_vect)
{ {
++_dimmer_count;
if (_dimmer_count >= (100 - _dimmer_value)) if (_dimmer_count >= (100 - _dimmer_value))
{ {
_dimmer_count = 0; _dimmer_count = 0;
@@ -259,5 +263,5 @@ ISR(TIMER0_COMPA_vect)
break; break;
} }
} }
++_dimmer_count; // ++_dimmer_count;
} }