avr_libraries/zh_avr_ac_dimmer
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This commit is contained in:
Alexey Zholtikov
2025-10-11 12:24:03 +03:00
parent ba567605b8
commit 4bad25892a
2 changed files with 28 additions and 14 deletions
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2
include/zh_avr_ac_dimmer.h
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@@ -7,7 +7,7 @@
#include "avr/interrupt.h"
#include "util/delay.h"
#define ZH_TRIAC_TIME 2 // Triac turn-on time (in microseconds). Depends on the type of triac. Tested on BTA16-600.
#define ZH_TRIAC_TIME 1 // Triac turn-on time (in microseconds). Depends on the type of triac. Tested on BTA16-600.
#define ZH_AVR_AC_DIMMER_INIT_CONFIG_DEFAULT() \
{ \

40
zh_avr_ac_dimmer.c
View File

@@ -5,6 +5,7 @@ volatile static bool _is_dimmer_work = false;
volatile static uint8_t _dimmer_value = 0;
volatile static uint8_t _dimmer_count = 0;
static bool _is_initialized = false;
volatile static bool _is_zero_crossing = false;
static avr_err_t _zh_avr_ac_dimmer_validate_config(const zh_avr_ac_dimmer_init_config_t *config);
static void _zh_avr_ac_dimmer_gpio_init(void);
@@ -54,18 +55,28 @@ void zh_avr_ac_dimmer_isr_handler(void)
case AVR_PORTB:
if ((PINB & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{
PORTB &= ~(1 << _init_config.triac_gpio);
flag = true;
}
break;
case AVR_PORTC:
if ((PINC & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{
PORTC &= ~(1 << _init_config.triac_gpio);
flag = true;
}
break;
case AVR_PORTD:
if ((PIND & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
if (((PIND & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio)) && _is_zero_crossing == false)
{
PORTD &= ~(1 << _init_config.triac_gpio);
// flag = true;
_is_zero_crossing = true;
}
if (((PIND & (1 << _init_config.zero_cross_gpio)) == 0) && _is_zero_crossing == true)
{
// PORTD &= ~(1 << _init_config.triac_gpio);
_is_zero_crossing = false;
flag = true;
}
break;
@@ -77,24 +88,26 @@ void zh_avr_ac_dimmer_isr_handler(void)
{
if (_dimmer_value != 0)
{
if (_dimmer_value >= 100)
if (_dimmer_value == 100)
{
// cli();
TIMSK0 &= ~(1 << OCIE0A);
// sei();
switch (_init_config.triac_port)
{
case AVR_PORTB:
PORTB |= (1 << _init_config.triac_gpio);
_delay_us(ZH_TRIAC_TIME);
PORTB &= ~(1 << _init_config.triac_gpio);
// _delay_us(ZH_TRIAC_TIME);
// PORTB &= ~(1 << _init_config.triac_gpio);
break;
case AVR_PORTC:
PORTC |= (1 << _init_config.triac_gpio);
_delay_us(ZH_TRIAC_TIME);
PORTC &= ~(1 << _init_config.triac_gpio);
// _delay_us(ZH_TRIAC_TIME);
// PORTC &= ~(1 << _init_config.triac_gpio);
case AVR_PORTD:
PORTD |= (1 << _init_config.triac_gpio);
_delay_us(ZH_TRIAC_TIME);
PORTD &= ~(1 << _init_config.triac_gpio);
// _delay_us(10);
// PORTD &= ~(1 << _init_config.triac_gpio);
break;
default:
break;
@@ -102,11 +115,11 @@ void zh_avr_ac_dimmer_isr_handler(void)
}
else
{
cli();
// cli();
TCNT0 = 0;
// TIFR0 = (1 << OCF0A);
TIFR0 = (1 << OCF0A);
TIMSK0 |= (1 << OCIE0A);
sei();
// sei();
}
}
}
@@ -176,7 +189,7 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
switch (_init_config.ac_dimmer_frequency)
{
case ZH_50HZ:
OCR0A = 99;
OCR0A = 94; // Check. 99
TCCR0B |= (1 << CS01);
break;
case ZH_60HZ:
@@ -239,7 +252,7 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
ISR(TIMER0_COMPA_vect)
{
++_dimmer_count;
if (_dimmer_count >= (100 - _dimmer_value))
if (_dimmer_count == (100 - _dimmer_value))
{
_dimmer_count = 0;
TIMSK0 &= ~(1 << OCIE0A);
@@ -263,5 +276,6 @@ ISR(TIMER0_COMPA_vect)
break;
}
}
TIFR0 = (1 << OCF0A);
// ++_dimmer_count;
}