avr_libraries/zh_avr_ac_dimmer
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This commit is contained in:
Alexey Zholtikov
2025-10-12 08:23:44 +03:00
parent 4bad25892a
commit 41c23732f2
2 changed files with 58 additions and 37 deletions
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29
include/zh_avr_ac_dimmer.h
View File

@@ -18,10 +18,39 @@
.triac_port = 0}
#ifdef __cplusplus
extern "C"
{
#endif
#define ZH_ZERO_CROSSING_ON \
if (_is_zero_crossing == false) \
{ \
switch (_init_config.triac_port) \
{ \
case AVR_PORTB: \
PORTB &= ~(1 << _init_config.triac_gpio); \
break; \
case AVR_PORTC: \
PORTC &= ~(1 << _init_config.triac_gpio); \
case AVR_PORTD: \
PORTD &= ~(1 << _init_config.triac_gpio); \
break; \
default: \
break; \
} \
_is_zero_crossing = true; \
break; \
}
#define ZH_ZERO_CROSSING_OFF \
if (_is_zero_crossing == true) \
{ \
_is_zero_crossing = false; \
flag = true; \
} \
break;
typedef enum
{
ZH_50HZ = 1,

66
zh_avr_ac_dimmer.c
View File

@@ -1,5 +1,5 @@
#include "zh_avr_ac_dimmer.h"
// https://avr-start.ru/?p=3983
static zh_avr_ac_dimmer_init_config_t _init_config = {0};
volatile static bool _is_dimmer_work = false;
volatile static uint8_t _dimmer_value = 0;
@@ -55,32 +55,33 @@ 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;
ZH_ZERO_CROSSING_ON;
}
if ((PINB & (1 << _init_config.zero_cross_gpio)) == 0)
{
ZH_ZERO_CROSSING_OFF;
}
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;
ZH_ZERO_CROSSING_ON;
}
if ((PINC & (1 << _init_config.zero_cross_gpio)) == 0)
{
ZH_ZERO_CROSSING_OFF;
}
break;
case AVR_PORTD:
if (((PIND & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio)) && _is_zero_crossing == false)
if ((PIND & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{
PORTD &= ~(1 << _init_config.triac_gpio);
// flag = true;
_is_zero_crossing = true;
ZH_ZERO_CROSSING_ON;
}
if (((PIND & (1 << _init_config.zero_cross_gpio)) == 0) && _is_zero_crossing == true)
if ((PIND & (1 << _init_config.zero_cross_gpio)) == 0)
{
// PORTD &= ~(1 << _init_config.triac_gpio);
_is_zero_crossing = false;
flag = true;
ZH_ZERO_CROSSING_OFF;
}
break;
default:
break;
}
@@ -90,24 +91,17 @@ void zh_avr_ac_dimmer_isr_handler(void)
{
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);
break;
case AVR_PORTC:
PORTC |= (1 << _init_config.triac_gpio);
// _delay_us(ZH_TRIAC_TIME);
// PORTC &= ~(1 << _init_config.triac_gpio);
break;
case AVR_PORTD:
PORTD |= (1 << _init_config.triac_gpio);
// _delay_us(10);
// PORTD &= ~(1 << _init_config.triac_gpio);
break;
default:
break;
@@ -115,11 +109,9 @@ void zh_avr_ac_dimmer_isr_handler(void)
}
else
{
// cli();
TCNT0 = 0;
TIFR0 = (1 << OCF0A);
TIMSK0 |= (1 << OCIE0A);
// sei();
}
}
}
@@ -182,22 +174,23 @@ static void _zh_avr_ac_dimmer_gpio_init(void)
static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
{
// Frequency calculator http://rcl-radio.ru/?p=111487.
TCCR0A |= (1 << WGM01);
switch (F_CPU)
{
case 8000000:
case 8000000: // When operating from an internal RC generator, frequency deviation of up to 5% is possible.
switch (_init_config.ac_dimmer_frequency)
{
case ZH_50HZ:
OCR0A = 94; // Check. 99
OCR0A = 94; // Timer tick every 0,00009524 sec.
TCCR0B |= (1 << CS01);
break;
case ZH_60HZ:
OCR0A = 82;
case ZH_60HZ: // Timer tick every 0,00007937 sec.
OCR0A = 78;
TCCR0B |= (1 << CS01);
break;
case ZH_400HZ:
OCR0A = 99;
case ZH_400HZ: // Timer tick every 0,0000119 sec.
OCR0A = 94;
TCCR0B |= (1 << CS00);
break;
default:
@@ -207,15 +200,15 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
case 16000000:
switch (_init_config.ac_dimmer_frequency)
{
case ZH_50HZ:
case ZH_50HZ: // Timer tick every 0,0001 sec.
OCR0A = 24;
TCCR0B |= (1 << CS01) | (1 << CS00);
break;
case ZH_60HZ:
case ZH_60HZ: // Timer tick every 0,00008333 sec.
OCR0A = 165;
TCCR0B |= (1 << CS01);
break;
case ZH_400HZ:
case ZH_400HZ: // Timer tick every 0,0000125 sec.
OCR0A = 24;
TCCR0B |= (1 << CS01);
break;
@@ -226,15 +219,15 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
case 20000000:
switch (_init_config.ac_dimmer_frequency)
{
case ZH_50HZ:
case ZH_50HZ: // Timer tick every 0,0001 sec.
OCR0A = 249;
TCCR0B |= (1 << CS01);
break;
case ZH_60HZ:
case ZH_60HZ: // Timer tick every 0,00008333 sec.
OCR0A = 207;
TCCR0B |= (1 << CS01);
break;
case ZH_400HZ:
case ZH_400HZ: // Timer tick every 0,0000125 sec.
OCR0A = 249;
TCCR0B |= (1 << CS00);
break;
@@ -277,5 +270,4 @@ ISR(TIMER0_COMPA_vect)
}
}
TIFR0 = (1 << OCF0A);
// ++_dimmer_count;
}