pedal_calib.h

#pragma once
 
/************************************************************************************************
 * @file   pedal_calib.h
 *
 * @brief  Header file to define the pedal calibration data
 *
 * @date   2025-05-15
 * @author Midnight Sun Team #24 - MSXVI
 ************************************************************************************************/
 
/* Standard library Headers */
#include <stdbool.h>
 
/* Inter-component Headers */
#include "global_enums.h"
#include "gpio.h"
 
/* Intra-component Headers */
 
#define NUM_SAMPLES_ONE_SHOT 1000U
 
#define NUM_SAMPLES_SINGLE_READ 100U
 
typedef enum {
  PEDAL_PRESSED = 0,
  PEDAL_UNPRESSED,
  NUM_PEDAL_STATES,
} PedalState;
 
typedef struct PedalCalibBlob {
  PedalCalibrationData throttle_calib;
  PedalCalibrationData brake_calib;
} PedalCalibBlob;
 
typedef struct PedalCalibrationStorage {
  uint16_t min_reading;
  uint16_t max_reading;
  volatile uint32_t sample_counter;
} PedalCalibrationStorage;
 
extern PedalCalibBlob global_calib_blob;
 
StatusCode pedal_calib_sample_single(PedalCalibrationStorage *calib_storage, PedalCalibrationData *data, PedalState state, GpioAddress *address, bool first_sample);
 
StatusCode pedal_calib_sample(PedalCalibrationStorage *calib_storage, PedalCalibrationData *data, PedalState state, GpioAddress *address);