avr_libraries/zh_avr_ac_dimmer
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This commit is contained in:
Alexey Zholtikov
2025-09-07 21:08:28 +03:00
parent 6d18c18051
commit bf1a06cbb2
4 changed files with 76 additions and 0 deletions
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.gitignore vendored Normal file
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.DS_Store

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include/zh_avr_ac_dimmer.h Normal file
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#pragma once
// #include "FreeRTOS.h"
// #include "semphr.h"
#include "avr_err.h"
#include "stdbool.h"
#include "avr/interrupt.h"
#include "avr/pgmspace.h"
#define ZH_AVR_AC_DIMMER_INIT_CONFIG_DEFAULT() \
{ \
.task_priority = configMAX_PRIORITIES, \
.stack_size = 124, \
.queue_size = 1, \
.a_gpio_number = 0, \
.b_gpio_number = 0, \
.pullup = false, \
.encoder_min_value = -100, \
.encoder_max_value = 100, \
.encoder_step = 1, \
.encoder_number = 0}
#ifdef __cplusplus
extern "C"
{
#endif
typedef struct // Structure for initial initialization of AC dimmer.
{
uint8_t task_priority; // Task priority for the PCF8574 expander isr processing. @note It is not recommended to set a value less than configMAX_PRIORITIES.
uint8_t stack_size; // Stack size for task for the PCF8574 expander isr processing processing. @note The minimum size is 124 byte.
uint8_t i2c_address; // Expander I2C address.
bool p0_gpio_work_mode; // Expander GPIO PO work mode. True for input, false for output.
bool p1_gpio_work_mode; // Expander GPIO P1 work mode. True for input, false for output.
bool p2_gpio_work_mode; // Expander GPIO P2 work mode. True for input, false for output.
bool p3_gpio_work_mode; // Expander GPIO P3 work mode. True for input, false for output.
bool p4_gpio_work_mode; // Expander GPIO P4 work mode. True for input, false for output.
bool p5_gpio_work_mode; // Expander GPIO P5 work mode. True for input, false for output.
bool p6_gpio_work_mode; // Expander GPIO P6 work mode. True for input, false for output.
bool p7_gpio_work_mode; // Expander GPIO P7 work mode. True for input, false for output.
uint8_t interrupt_gpio; // Interrupt GPIO. @attention Must be same for all PCF8574 expanders.
uint8_t interrupt_port; // Interrupt port.
} zh_avr_pcf8574_init_config_t;
/**
* @brief Initialize PCF8574 expander.
*
* @param[in] config Pointer to PCF8574 initialized configuration structure. Can point to a temporary variable.
* @param[out] handle Pointer to unique PCF8574 handle.
*
* @attention I2C driver must be initialized first.
*
* @note Before initialize the expander recommend initialize zh_avr_pcf8574_init_config_t structure with default values.
*
* @code zh_avr_pcf8574_init_config_t config = ZH_AVR_PCF8574_INIT_CONFIG_DEFAULT() @endcode
*
* @return AVR_OK if success or an error code otherwise.
*/
avr_err_t zh_avr_pcf8574_init(const zh_avr_pcf8574_init_config_t *config, zh_avr_pcf8574_handle_t *handle);
#ifdef __cplusplus
}
#endif

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triac_400hz_delay.xlsx Normal file
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zh_avr_ac_dimmer.c Normal file
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#include "zh_avr_ac_dimmer.h"
const static uint8_t _triac_400hz_delay[100] PROGMEM = {0, 155, 153, 152, 150, 148, 147, 145, 144, 142,
141, 139, 137, 136, 134, 133, 131, 130, 128, 127,
125, 123, 122, 120, 119, 117, 116, 114, 112, 111,
109, 108, 106, 105, 103, 102, 100, 98, 97, 95,
94, 92, 91, 89, 87, 86, 84, 83, 81, 80,
78, 77, 75, 73, 72, 70, 69, 67, 66, 64,
62, 61, 59, 58, 56, 55, 53, 52, 50, 48,
47, 45, 44, 42, 41, 39, 37, 36, 34, 33,
31, 30, 28, 27, 25, 23, 22, 20, 19, 17,
16, 14, 12, 11, 9, 8, 6, 5, 3, 2};