avr_libraries/zh_avr_ac_dimmer
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base: avr_libraries:v1.0.2
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avr_libraries:main avr_libraries:dev
avr_libraries:v1.0.2 avr_libraries:v1.0.1 avr_libraries:v1.0.0
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compare: avr_libraries:41c23732f297d311a586dec2e457d3b1aa530fdd
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avr_libraries:dev avr_libraries:main
avr_libraries:v1.0.2 avr_libraries:v1.0.1 avr_libraries:v1.0.0

4 Commits
v1.0.2 ... 41c23732f2

Author SHA1 Message Date
Alexey Zholtikov
41c23732f2 wip: 2025-10-12 08:23:44 +03:00
Alexey Zholtikov
4bad25892a wip: 2025-10-11 12:24:03 +03:00
Alexey Zholtikov
ba567605b8 wip: 2025-10-10 14:58:07 +03:00
Alexey Zholtikov
832829368c Revert "fix: changed trigger level" 
This reverts commit 6d69f5a42e.
 2025-10-10 11:00:43 +03:00
3 changed files with 69 additions and 30 deletions
Expand all files Collapse all files

31
include/zh_avr_ac_dimmer.h
View File

@@ -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() \
{ \
@@ -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,

2
version.txt
View File

@@ -1 +1 @@
1.0.2
1.0.1

66
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);
@@ -48,25 +49,37 @@ avr_err_t zh_avr_ac_dimmer_set(uint8_t value)
void zh_avr_ac_dimmer_isr_handler(void)
{
uint8_t flag = false;
bool flag = false;
switch (_init_config.zero_cross_port)
{
case AVR_PORTB:
if ((PINB & _init_config.zero_cross_gpio) == _init_config.zero_cross_gpio)
if ((PINB & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_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 & _init_config.zero_cross_gpio) == _init_config.zero_cross_gpio)
if ((PINC & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_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 & _init_config.zero_cross_gpio) == _init_config.zero_cross_gpio)
if ((PIND & (1 << _init_config.zero_cross_gpio)) == (1 << _init_config.zero_cross_gpio))
{
flag = true;
ZH_ZERO_CROSSING_ON;
}
if ((PIND & (1 << _init_config.zero_cross_gpio)) == 0)
{
ZH_ZERO_CROSSING_OFF;
}
break;
default:
@@ -76,24 +89,19 @@ void zh_avr_ac_dimmer_isr_handler(void)
{
if (_dimmer_value != 0)
{
if (_dimmer_value >= 100)
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);
break;
case AVR_PORTD:
PORTD |= (1 << _init_config.triac_gpio);
_delay_us(ZH_TRIAC_TIME);
PORTD &= ~(1 << _init_config.triac_gpio);
break;
default:
break;
@@ -166,22 +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 = 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:
@@ -191,15 +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;
@@ -210,15 +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;
@@ -235,7 +244,8 @@ static avr_err_t _zh_avr_ac_dimmer_timer_init(void)
ISR(TIMER0_COMPA_vect)
{
if (_dimmer_count >= (100 - _dimmer_value))
++_dimmer_count;
if (_dimmer_count == (100 - _dimmer_value))
{
_dimmer_count = 0;
TIMSK0 &= ~(1 << OCIE0A);
@@ -259,5 +269,5 @@ ISR(TIMER0_COMPA_vect)
break;
}
}
++_dimmer_count;
TIFR0 = (1 << OCF0A);
}