avr_libraries/zh_avr_ac_dimmer
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

wip:

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

2
include/zh_avr_ac_dimmer.h
View File

@@ -7,7 +7,7 @@
#include "avr/interrupt.h" #include "avr/interrupt.h"
#include "util/delay.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() \ #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_value = 0;
volatile static uint8_t _dimmer_count = 0; volatile static uint8_t _dimmer_count = 0;
static bool _is_initialized = false; 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 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); static void _zh_avr_ac_dimmer_gpio_init(void);
@@ -54,18 +55,28 @@ 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);
flag = true; flag = true;
} }
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);
flag = true; flag = true;
} }
break; break;
case AVR_PORTD: 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; flag = true;
} }
break; break;
@@ -77,24 +88,26 @@ void zh_avr_ac_dimmer_isr_handler(void)
{ {
if (_dimmer_value != 0) if (_dimmer_value != 0)
{ {
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); // _delay_us(ZH_TRIAC_TIME);
PORTB &= ~(1 << _init_config.triac_gpio); // 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); // _delay_us(ZH_TRIAC_TIME);
PORTC &= ~(1 << _init_config.triac_gpio); // 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(ZH_TRIAC_TIME); // _delay_us(10);
PORTD &= ~(1 << _init_config.triac_gpio); // PORTD &= ~(1 << _init_config.triac_gpio);
break; break;
default: default:
break; break;
@@ -102,11 +115,11 @@ void zh_avr_ac_dimmer_isr_handler(void)
} }
else else
{ {
cli(); // cli();
TCNT0 = 0; TCNT0 = 0;
// TIFR0 = (1 << OCF0A); TIFR0 = (1 << OCF0A);
TIMSK0 |= (1 << OCIE0A); 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) switch (_init_config.ac_dimmer_frequency)
{ {
case ZH_50HZ: case ZH_50HZ:
OCR0A = 99; OCR0A = 94; // Check. 99
TCCR0B |= (1 << CS01); TCCR0B |= (1 << CS01);
break; break;
case ZH_60HZ: case ZH_60HZ:
@@ -239,7 +252,7 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
ISR(TIMER0_COMPA_vect) ISR(TIMER0_COMPA_vect)
{ {
++_dimmer_count; ++_dimmer_count;
if (_dimmer_count >= (100 - _dimmer_value)) if (_dimmer_count == (100 - _dimmer_value))
{ {
_dimmer_count = 0; _dimmer_count = 0;
TIMSK0 &= ~(1 << OCIE0A); TIMSK0 &= ~(1 << OCIE0A);
@@ -263,5 +276,6 @@ ISR(TIMER0_COMPA_vect)
break; break;
} }
} }
TIFR0 = (1 << OCF0A);
// ++_dimmer_count; // ++_dimmer_count;
} }