light_signal_manager.h

#pragma once
 
/************************************************************************************************
 * @file    light_signal_manager.h
 *
 * @brief   Header file for light signal manager (turn signals, hazard)
 *
 * @date    2025-07-16
 * @author  Midnight Sun Team #24 - MSXVI
 ************************************************************************************************/
 
/* Standard library Headers */
#include <stdbool.h>
 
/* Inter-component Headers */
#include "software_timer.h"
 
/* Intra-component Headers */
#include "gpio.h"
#include "steering_hw_defs.h"
 
#define LIGHT_SIGNAL_BLINK_PERIOD_MS 600
 
typedef enum {
  LIGHTS_SIGNAL_STATE_OFF = 0, 
  LIGHTS_SIGNAL_STATE_LEFT,    
  LIGHTS_SIGNAL_STATE_RIGHT,   
  LIGHTS_SIGNAL_STATE_HAZARD   
} LightsSignalState;
 
typedef enum {
  LIGHTS_SIGNAL_REQUEST_OFF = 0, 
  LIGHTS_SIGNAL_REQUEST_LEFT,    
  LIGHTS_SIGNAL_REQUEST_RIGHT,   
  LIGHTS_SIGNAL_REQUEST_HAZARD   
} LightsSignalRequest;
 
void lights_signal_manager_init(void);
 
void lights_signal_manager_request(LightsSignalRequest req);
 
void lights_signal_manager_update(void);
 
LightsSignalState lights_signal_manager_get_state(void);