avr_libraries/zh_avr_ac_dimmer
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feat: initial

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This commit is contained in:
Alexey Zholtikov
2025-09-14 08:13:38 +03:00
parent 6d18c18051
commit 40f352bcc7
5 changed files with 412 additions and 1 deletions
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zh_avr_ac_dimmer.c Normal file
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#include "zh_avr_ac_dimmer.h"
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;
volatile static uint8_t _dimmer_count = 0;
static bool _is_initialized = 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);
static avr_err_t _zh_avr_ac_dimmer_timer_init(void);
avr_err_t zh_avr_ac_dimmer_init(const zh_avr_ac_dimmer_init_config_t *config)
{
ZH_ERROR_CHECK(_is_initialized == false, AVR_ERR_INVALID_STATE);
avr_err_t err = _zh_avr_ac_dimmer_validate_config(config);
ZH_ERROR_CHECK(err == AVR_OK, err);
_init_config = *config;
cli();
_zh_avr_ac_dimmer_gpio_init();
err = _zh_avr_ac_dimmer_timer_init();
ZH_ERROR_CHECK(err == AVR_OK, err);
sei();
_is_initialized = true;
return AVR_OK;
}
avr_err_t zh_avr_ac_dimmer_start(void)
{
ZH_ERROR_CHECK(_is_initialized == true, AVR_ERR_NOT_FOUND);
_is_dimmer_work = true;
return AVR_OK;
}
avr_err_t zh_avr_ac_dimmer_stop(void)
{
ZH_ERROR_CHECK(_is_initialized == true, AVR_ERR_NOT_FOUND);
_is_dimmer_work = false;
return AVR_OK;
}
avr_err_t zh_avr_ac_dimmer_set(uint8_t value)
{
ZH_ERROR_CHECK(_dimmer_value <= 100, AVR_ERR_INVALID_ARG);
_dimmer_value = value;
return AVR_OK;
}
void zh_avr_ac_dimmer_isr_handler(void)
{
uint8_t flag = false;
switch (_init_config.zero_cross_port)
{
case AVR_PORTB:
if ((PINB & (1 << _init_config.zero_cross_gpio)) == 0)
{
flag = true;
}
break;
case AVR_PORTC:
if ((PINC & (1 << _init_config.zero_cross_gpio)) == 0)
{
flag = true;
}
break;
case AVR_PORTD:
if ((PIND & (1 << _init_config.zero_cross_gpio)) == 0)
{
flag = true;
}
break;
default:
break;
}
if (_is_dimmer_work == true && flag == true)
{
if (_dimmer_value != 0)
{
if (_dimmer_value >= 100)
{
TIMSK0 &= ~(1 << OCIE0A);
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);
case AVR_PORTD:
PORTD |= (1 << _init_config.triac_gpio);
_delay_us(ZH_TRIAC_TIME);
PORTD &= ~(1 << _init_config.triac_gpio);
break;
default:
break;
}
}
else
{
TCNT0 = 0;
TIFR0 = (1 << OCF0A);
TIMSK0 |= (1 << OCIE0A);
}
}
}
}
static avr_err_t _zh_avr_ac_dimmer_validate_config(const zh_avr_ac_dimmer_init_config_t *config)
{
ZH_ERROR_CHECK(config != NULL, AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK((config->zero_cross_gpio >= 0 && config->zero_cross_gpio <= 7), AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK((config->triac_gpio >= 0 && config->triac_gpio <= 7), AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK(config->zero_cross_port >= AVR_PORTB && config->zero_cross_port <= AVR_PORTD, AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK(config->triac_port >= AVR_PORTB && config->triac_port <= AVR_PORTD, AVR_ERR_INVALID_ARG);
ZH_ERROR_CHECK(config->ac_dimmer_frequency >= ZH_50HZ && config->ac_dimmer_frequency <= ZH_400HZ, AVR_ERR_INVALID_ARG);
return AVR_OK;
}
static void _zh_avr_ac_dimmer_gpio_init(void)
{
switch (_init_config.zero_cross_port)
{
case AVR_PORTB:
DDRB &= ~(1 << _init_config.zero_cross_gpio);
PORTB |= (1 << _init_config.zero_cross_gpio);
PCICR |= (1 << PCIE0);
PCMSK0 |= (1 << _init_config.zero_cross_gpio);
break;
case AVR_PORTC:
DDRC &= ~(1 << _init_config.zero_cross_gpio);
PORTC |= (1 << _init_config.zero_cross_gpio);
PCICR |= (1 << PCIE1);
PCMSK1 |= (1 << _init_config.zero_cross_gpio);
break;
case AVR_PORTD:
DDRD &= ~(1 << _init_config.zero_cross_gpio);
PORTD |= (1 << _init_config.zero_cross_gpio);
PCICR |= (1 << PCIE2);
PCMSK2 |= (1 << _init_config.zero_cross_gpio);
break;
default:
break;
}
switch (_init_config.triac_port)
{
case AVR_PORTB:
DDRB |= (1 << _init_config.triac_gpio);
PORTB &= ~(1 << _init_config.triac_gpio);
break;
case AVR_PORTC:
DDRC |= (1 << _init_config.triac_gpio);
PORTC &= ~(1 << _init_config.triac_gpio);
break;
case AVR_PORTD:
DDRD |= (1 << _init_config.triac_gpio);
PORTD &= ~(1 << _init_config.triac_gpio);
break;
default:
break;
}
}
static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
{
TCCR0A |= (1 << WGM01);
switch (F_CPU)
{
case 8000000:
switch (_init_config.ac_dimmer_frequency)
{
case ZH_50HZ:
OCR0A = 99;
TCCR0B |= (1 << CS01);
break;
case ZH_60HZ:
OCR0A = 82;
TCCR0B |= (1 << CS01);
break;
case ZH_400HZ:
OCR0A = 99;
TCCR0B |= (1 << CS00);
break;
default:
break;
}
break;
case 16000000:
switch (_init_config.ac_dimmer_frequency)
{
case ZH_50HZ:
OCR0A = 24;
TCCR0B |= (1 << CS01) | (1 << CS00);
break;
case ZH_60HZ:
OCR0A = 165;
TCCR0B |= (1 << CS01);
break;
case ZH_400HZ:
OCR0A = 24;
TCCR0B |= (1 << CS01);
break;
default:
break;
}
break;
case 20000000:
switch (_init_config.ac_dimmer_frequency)
{
case ZH_50HZ:
OCR0A = 249;
TCCR0B |= (1 << CS01);
break;
case ZH_60HZ:
OCR0A = 207;
TCCR0B |= (1 << CS01);
break;
case ZH_400HZ:
OCR0A = 249;
TCCR0B |= (1 << CS00);
break;
default:
break;
}
break;
default:
return AVR_ERR_INVALID_ARG;
break;
}
return AVR_OK;
}
ISR(TIMER0_COMPA_vect)
{
if (_dimmer_count >= (100 - _dimmer_value))
{
_dimmer_count = 0;
TIMSK0 &= ~(1 << OCIE0A);
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);
case AVR_PORTD:
PORTD |= (1 << _init_config.triac_gpio);
_delay_us(ZH_TRIAC_TIME);
PORTD &= ~(1 << _init_config.triac_gpio);
break;
default:
break;
}
}
++_dimmer_count;
}