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} .triac_port = 0}
#ifdef __cplusplus #ifdef __cplusplus
extern "C" extern "C"
{ {
#endif #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 typedef enum
{ {
ZH_50HZ = 1, ZH_50HZ = 1,

66
zh_avr_ac_dimmer.c
View File

@@ -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;
@@ -55,32 +55,33 @@ void zh_avr_ac_dimmer_isr_handler(void)
case AVR_PORTB: case AVR_PORTB:
if ((PINB & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio)) if ((PINB & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{ {
PORTB &= ~(1 << _init_config.triac_gpio); ZH_ZERO_CROSSING_ON;
flag = true; }
if ((PINB & (1 << _init_config.zero_cross_gpio)) == 0)
{
ZH_ZERO_CROSSING_OFF;
} }
break; break;
case AVR_PORTC: case AVR_PORTC:
if ((PINC & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio)) if ((PINC & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{ {
PORTC &= ~(1 << _init_config.triac_gpio); ZH_ZERO_CROSSING_ON;
flag = true; }
if ((PINC & (1 << _init_config.zero_cross_gpio)) == 0)
{
ZH_ZERO_CROSSING_OFF;
} }
break; break;
case AVR_PORTD: 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); ZH_ZERO_CROSSING_ON;
// flag = true;
_is_zero_crossing = true;
} }
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); ZH_ZERO_CROSSING_OFF;
_is_zero_crossing = false;
flag = true;
} }
break; break;
default: default:
break; break;
} }
@@ -90,24 +91,17 @@ void zh_avr_ac_dimmer_isr_handler(void)
{ {
if (_dimmer_value == 100) if (_dimmer_value == 100)
{ {
// cli();
TIMSK0 &= ~(1 << OCIE0A); TIMSK0 &= ~(1 << OCIE0A);
// sei();
switch (_init_config.triac_port) switch (_init_config.triac_port)
{ {
case AVR_PORTB: case AVR_PORTB:
PORTB |= (1 << _init_config.triac_gpio); PORTB |= (1 << _init_config.triac_gpio);
// _delay_us(ZH_TRIAC_TIME);
// PORTB &= ~(1 << _init_config.triac_gpio);
break; break;
case AVR_PORTC: case AVR_PORTC:
PORTC |= (1 << _init_config.triac_gpio); PORTC |= (1 << _init_config.triac_gpio);
// _delay_us(ZH_TRIAC_TIME); break;
// PORTC &= ~(1 << _init_config.triac_gpio);
case AVR_PORTD: case AVR_PORTD:
PORTD |= (1 << _init_config.triac_gpio); PORTD |= (1 << _init_config.triac_gpio);
// _delay_us(10);
// PORTD &= ~(1 << _init_config.triac_gpio);
break; break;
default: default:
break; break;
@@ -115,11 +109,9 @@ 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();
} }
} }
} }
@@ -182,22 +174,23 @@ static void _zh_avr_ac_dimmer_gpio_init(void)
static avr_err_t _zh_avr_ac_dimmer_timer_init(void) static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
{ {
// Frequency calculator http://rcl-radio.ru/?p=111487.
TCCR0A |= (1 << WGM01); TCCR0A |= (1 << WGM01);
switch (F_CPU) 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) switch (_init_config.ac_dimmer_frequency)
{ {
case ZH_50HZ: case ZH_50HZ:
OCR0A = 94; // Check. 99 OCR0A = 94; // Timer tick every 0,00009524 sec.
TCCR0B |= (1 << CS01); TCCR0B |= (1 << CS01);
break; break;
case ZH_60HZ: case ZH_60HZ: // Timer tick every 0,00007937 sec.
OCR0A = 82; OCR0A = 78;
TCCR0B |= (1 << CS01); TCCR0B |= (1 << CS01);
break; break;
case ZH_400HZ: case ZH_400HZ: // Timer tick every 0,0000119 sec.
OCR0A = 99; OCR0A = 94;
TCCR0B |= (1 << CS00); TCCR0B |= (1 << CS00);
break; break;
default: default:
@@ -207,15 +200,15 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
case 16000000: case 16000000:
switch (_init_config.ac_dimmer_frequency) switch (_init_config.ac_dimmer_frequency)
{ {
case ZH_50HZ: case ZH_50HZ: // Timer tick every 0,0001 sec.
OCR0A = 24; OCR0A = 24;
TCCR0B |= (1 << CS01) | (1 << CS00); TCCR0B |= (1 << CS01) | (1 << CS00);
break; break;
case ZH_60HZ: case ZH_60HZ: // Timer tick every 0,00008333 sec.
OCR0A = 165; OCR0A = 165;
TCCR0B |= (1 << CS01); TCCR0B |= (1 << CS01);
break; break;
case ZH_400HZ: case ZH_400HZ: // Timer tick every 0,0000125 sec.
OCR0A = 24; OCR0A = 24;
TCCR0B |= (1 << CS01); TCCR0B |= (1 << CS01);
break; break;
@@ -226,15 +219,15 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
case 20000000: case 20000000:
switch (_init_config.ac_dimmer_frequency) switch (_init_config.ac_dimmer_frequency)
{ {
case ZH_50HZ: case ZH_50HZ: // Timer tick every 0,0001 sec.
OCR0A = 249; OCR0A = 249;
TCCR0B |= (1 << CS01); TCCR0B |= (1 << CS01);
break; break;
case ZH_60HZ: case ZH_60HZ: // Timer tick every 0,00008333 sec.
OCR0A = 207; OCR0A = 207;
TCCR0B |= (1 << CS01); TCCR0B |= (1 << CS01);
break; break;
case ZH_400HZ: case ZH_400HZ: // Timer tick every 0,0000125 sec.
OCR0A = 249; OCR0A = 249;
TCCR0B |= (1 << CS00); TCCR0B |= (1 << CS00);
break; break;
@@ -277,5 +270,4 @@ ISR(TIMER0_COMPA_vect)
} }
} }
TIFR0 = (1 << OCF0A); TIFR0 = (1 << OCF0A);
// ++_dimmer_count;
} }