#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#define SENSOR_ID (1U)
#define SENSOR_TIMEOUT_MS (1000U)
#define MAX_DATA_ENTRY_LEN (15U) // "-32000+-32000i" + zero termination
#define MAX_CAL_TEMP_DIFF (16)
#define MAX_TEMP_VARIATION (125)
#define MAX_CACHE_COUNT ((MAX_TEMP_VARIATION / MAX_CAL_TEMP_DIFF) + 1)
static bool add_cache(uint16_t cache_index, int16_t temp);
void *buffer, uint32_t buffer_size,
bool temp_known, int16_t temp);
{
(void)argc;
(void)argv;
void *buffer = NULL;
uint32_t buffer_size = 0;
{
return EXIT_FAILURE;
}
if (config == NULL)
{
printf("acc_config_create() failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
if (processing == NULL)
{
printf("acc_processing_create() failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
{
printf("acc_rss_get_buffer_size() failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
if (buffer == NULL)
{
printf("buffer allocation failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
if (sensor == NULL)
{
printf("acc_sensor_create() failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
{
printf("calibration_caching_and_prepare() failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
uint32_t update_count = 5U;
for (uint32_t i = 0U; i < update_count; i++)
{
{
printf("acc_sensor_measure failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
{
printf("Sensor interrupt timeout\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
{
printf("acc_sensor_read failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
{
printf("New calibration needed due to temperature change\n");
{
printf("calibration_caching_and_prepare() failed\n");
cleanup(config, processing, sensor, buffer);
return EXIT_FAILURE;
}
}
else
{
printf("IQ data retrieved\n");
}
}
cleanup(config, processing, sensor, buffer);
printf("Application finished OK\n");
return EXIT_SUCCESS;
}
{
}
{
bool cache_found = false;
uint16_t min_temp_diff = UINT16_MAX;
{
uint16_t temp_diff = abs(
cal_temps[index] - temp);
{
min_temp_diff = temp_diff;
*cache_index = index;
cache_found = true;
}
}
return cache_found;
}
{
}
static bool add_cache(uint16_t cache_index, int16_t temp)
{
bool status = false;
{
status = true;
}
return status;
}
void *buffer, uint32_t buffer_size,
bool temp_known, int16_t temp)
{
bool status = true;
bool use_cache = false;
uint16_t cache_index = 0;
if (temp_known)
{
{
use_cache = true;
}
}
if (!use_cache)
{
printf("New calibration is performed\n");
{
printf("No empty cache_index to store calibration result\n");
return false;
}
status = false;
bool cal_complete = false;
const uint16_t calibration_retries = 1U;
for (uint16_t i = 0; !status && (i <= calibration_retries); i++)
{
do
{
if (status && !cal_complete)
{
}
} while (status && !cal_complete);
}
if (status)
{
}
}
else
{
printf(
"Using cached calibration for %u degrees Celsius\n",
cal_temps[cache_index]);
}
if (status)
{
}
return status;
}
{
if (sensor != NULL)
{
}
if (processing != NULL)
{
}
if (config != NULL)
{
}
if (buffer != NULL)
{
}
}