#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "acc_definitions_a121.h"
#include "acc_detector_distance.h"
#include "acc_hal_definitions_a121.h"
#include "acc_hal_integration_a121.h"
#include "acc_integration.h"
#include "acc_integration_log.h"
#include "acc_rss_a121.h"
#include "acc_sensor.h"
#include "acc_version.h"

Data Structures
struct	distance_detector_resources_t

Macros
#define	SENSOR_ID (1U)

#define	SENSOR_TIMEOUT_MS (2000U)

#define	MAX_CAL_TEMP_DIFF (16)

#define	MAX_TEMP_VARIATION (125)

#define	MAX_CACHE_COUNT ((MAX_TEMP_VARIATION / MAX_CAL_TEMP_DIFF) + 1)

Functions
static void	set_config (acc_detector_distance_config_t *detector_config)

static bool	initialize_detector_resources (distance_detector_resources_t *resources)

static bool	detector_get_next (distance_detector_resources_t resources, acc_detector_distance_result_t result)

static void	cleanup (distance_detector_resources_t *resources)

static bool	sensor_and_detector_calibration (distance_detector_resources_t *resources, uint16_t cache_index)

static bool	sensor_calibration (distance_detector_resources_t *resources, uint16_t cache_index)

static bool	detector_calibration_full (distance_detector_resources_t *resources, uint16_t cache_index)

static bool	detector_calibration_update (distance_detector_resources_t *resources, uint16_t cache_index)

static bool	calibration_caching (distance_detector_resources_t *resources, int16_t temp)

static bool	find_cache_index (int16_t temp, uint16_t *cache_index)

static bool	get_next_empty_cache_index (uint16_t *cache_index)

static bool	add_cache (uint16_t cache_index, int16_t temp)

int	acconeer_main (int argc, char *argv[])
	Assembly test example. More...

Variables
static uint8_t *	detector_cal_result_static

static uint32_t	detector_cal_result_static_size = 0

static acc_cal_result_t	sensor_cal_results [(((125)/(16))+1)]

static acc_detector_cal_result_dynamic_t	detector_cal_results_dynamic [(((125)/(16))+1)]

static int16_t	cal_temps [(((125)/(16))+1)]

static uint16_t	curr_cache_count = 0

static uint16_t	cache_index_in_use = 0

Macro Definition Documentation

◆ MAX_CACHE_COUNT

#define MAX_CACHE_COUNT ((MAX_TEMP_VARIATION / MAX_CAL_TEMP_DIFF) + 1)

Examples: example_detector_distance_calibration_caching.c.

Definition at line 67 of file example_detector_distance_calibration_caching.c.

◆ MAX_CAL_TEMP_DIFF

#define MAX_CAL_TEMP_DIFF (16)

A sensor calibration and the dynamic part of a detector calibration are valid at the temperature they were done +- 15 degrees.

If the temperature isn't controlled during caching, which is the case in this example, the maximum amount of caches needs to be calculated from a temperature difference of 16.

For example

A calibration is done at 25 degrees, which means it is valid between 10 and 40 degrees
The temperature changes to 41 degrees
A new calibration needs to be done at 41 degrees since it is above the valid range for the previous calibration
The new calibration is then valid between 26 and 56 degrees

However, if the temperature is controlled, for example in a factory, the maximum amount of caches can be calculated from a temperature difference of 30.

For example

A calibration is done at 25 degrees, which means it is valid between 10 and 40 degrees
The temperature is manually changed to 55 degrees
A new calibration can be done which is valid between 40 and 70 degrees

The maximum temperature variation that the application will operate in is assumed to be -40 to 85 degrees in this example.