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