56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
/**
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* @file rcsignal.h
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* @brief RC PWM signal reading and parsing module
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*/
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#ifndef RCSIGNAL_H
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#define RCSIGNAL_H
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#include "esp_err.h"
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#include <stdint.h>
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#include <stdbool.h>
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/**
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* @brief Callback function type for mode changes
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*/
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typedef void (*rcsignal_mode_change_callback_t)();
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/**
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* @brief Initialize RC signal reading
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* @param pin GPIO pin for PWM input (-1 to disable)
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* @return ESP_OK on success
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*/
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esp_err_t rcsignal_init(int8_t pin);
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/**
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* @brief Deinitialize RC signal reading
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*/
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void rcsignal_deinit(void);
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/**
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* @brief Register callback for mode changes
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* @param callback Callback function
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*/
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void rcsignal_register_callback(rcsignal_mode_change_callback_t callback);
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/**
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* @brief Get current PWM pulse width in microseconds
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* @return Pulse width in µs (0 if no signal)
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*/
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uint32_t rcsignal_get_pulse_width(void);
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/**
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* @brief Check if PWM signal is active
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* @return true if signal detected in last 100ms
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*/
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bool rcsignal_is_active(void);
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/**
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* @brief Get current mode
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* @return Current animation mode (0-13)
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*/
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uint8_t rcsignal_get_current_mode(void);
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#endif // RCSIGNAL_H
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