/**
*
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* angewandten Forschung e.V. All rights reserved.
*
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* this software without specific prior written permission.
*
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*
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/**
* @file hwinfo.c
* @author foxBMS Team
* @date 12.09.2018 (date of creation)
* @ingroup HardwareInfo
* @prefix HW
*
* @brief hardware info
*
*/
/*================== Includes ===============================================*/
#include "hwinfo.h"
#include "adc.h"
#include "database.h"
#include "diag.h"
/*================== Macros and Definitions =================================*/
/*================== Static Constant and Variable Definitions ===============*/
static DATA_BLOCK_HW_INFO_s hw_tab = {
.vbat_mV = 0,
.temperature = 0.0,
.state_vbat = 0,
.state_temperature = 0,
};
/*================== Extern Constant and Variable Definitions ===============*/
#define HW_MCU_MINIMUM_DIE_TEMP_DEG_CELSIUS (-40)
#define HW_MCU_MAXIMUM_DIE_TEMP_DEG_CELSIUS (125)
#define HW_WARN_LOW_COIN_CELL_THRESHOLD_mV (2500)
#define HW_ERROR_LOW_COIN_CELL_THRESHOLD_mV (2200)
/*================== Static Function Prototypes =============================*/
/*================== Static Function Implementations ========================*/
/*================== Extern Function Implementations ========================*/
void HW_update(void) {
/* Get MCU temperature */
hw_tab.temperature = ADC_GetMCUTemp_C();
hw_tab.state_temperature++;
/* Check if MCU die temperature is inside operating range */
STD_RETURN_TYPE_e result = E_NOT_OK;
if (hw_tab.temperature < HW_MCU_MAXIMUM_DIE_TEMP_DEG_CELSIUS &&
hw_tab.temperature > HW_MCU_MINIMUM_DIE_TEMP_DEG_CELSIUS) {
result = E_OK;
}
DIAG_checkEvent(result, DIAG_CH_ERROR_MCU_DIE_TEMPERATURE, 0);
/* Get coin cell voltage */
hw_tab.vbat_mV = ADC_GetVBAT_mV();
hw_tab.state_vbat++;
/* Check if MCU coin cell voltage is low and coin cell should be replaced */
result = E_NOT_OK;
/* check for coin cell voltage low */
if (hw_tab.vbat_mV > HW_WARN_LOW_COIN_CELL_THRESHOLD_mV) {
result = E_OK;
}
DIAG_checkEvent(result, DIAG_CH_LOW_COIN_CELL_VOLTAGE, 0);
result = E_NOT_OK;
/* check for coin cell voltage critically low */
if (hw_tab.vbat_mV > HW_ERROR_LOW_COIN_CELL_THRESHOLD_mV) {
result = E_OK;
}
DIAG_checkEvent(result, DIAG_CH_CRIT_LOW_COIN_CELL_VOLTAGE, 0);
/* Write data to database */
DB_WriteBlock(&hw_tab, DATA_BLOCK_ID_HW_INFO);
}