soa_cfg.c

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/**
 * @file    soa_cfg.c
 * @author  foxBMS Team
 * @date    2020-10-14 (date of creation)
 * @updated 2023-10-12 (date of last update)
 * @version v1.6.0
 * @ingroup APPLICATION_CONFIGURATION
 * @prefix  SOA
 *
 * @brief   Configuration for safe-operating area check
 *
 */
 
/*========== Includes =======================================================*/
#include "soa_cfg.h"
 
#include "battery_cell_cfg.h"
#include "battery_system_cfg.h"
 
#include <stdbool.h>
#include <stdint.h>
 
/*========== Macros and Definitions =========================================*/
 
/*========== Static Constant and Variable Definitions =======================*/
 
/*========== Extern Constant and Variable Definitions =======================*/
 
/*========== Static Function Prototypes =====================================*/
 
/*========== Static Function Implementations ================================*/
 
/*========== Extern Function Implementations ================================*/
bool SOA_IsPackCurrentLimitViolated(uint32_t current_mA, BMS_CURRENT_FLOW_STATE_e currentDirection) {
    bool currentLimitViolated = false;
    /* Only check if battery is not at rest. No overcurrent possible if battery is resting */
    if ((currentDirection == BMS_CHARGING) || (currentDirection == BMS_DISCHARGING)) {
        if (current_mA > BS_MAXIMUM_PACK_CURRENT_mA) {
            currentLimitViolated = true;
        }
    }
    return currentLimitViolated;
}
 
bool SOA_IsStringCurrentLimitViolated(uint32_t current_mA, BMS_CURRENT_FLOW_STATE_e currentDirection) {
    bool currentLimitViolated = false;
    /* Only check if battery is not at rest. No overcurrent possible if battery is resting */
    if ((currentDirection == BMS_CHARGING) || (currentDirection == BMS_DISCHARGING)) {
        if (current_mA > BS_MAXIMUM_STRING_CURRENT_mA) {
            currentLimitViolated = true;
        }
    }
    return currentLimitViolated;
}
 
bool SOA_IsCellCurrentLimitViolated(uint32_t current_mA, BMS_CURRENT_FLOW_STATE_e currentDirection) {
    bool currentLimitViolated = false;
    /* Only check if battery is not at rest. No overcurrent possible if battery is resting */
    if (currentDirection == BMS_CHARGING) {
        if (current_mA > (BS_NR_OF_PARALLEL_CELLS_PER_CELL_BLOCK * BC_CURRENT_MAX_CHARGE_MSL_mA)) {
            currentLimitViolated = true;
        }
    } else if (currentDirection == BMS_DISCHARGING) {
        if (current_mA > (BS_NR_OF_PARALLEL_CELLS_PER_CELL_BLOCK * BC_CURRENT_MAX_DISCHARGE_MSL_mA)) {
            currentLimitViolated = true;
        }
    } else {
        /* BMS_RELAXATION or BMS_AT_REST */
        currentLimitViolated = false;
    }
    return currentLimitViolated;
}
 
bool SOA_IsCurrentOnOpenString(BMS_CURRENT_FLOW_STATE_e currentDirection, uint8_t stringNumber) {
    FAS_ASSERT(stringNumber < BS_NR_OF_STRINGS);
    bool currentOnOpenString = false;
    /* Current is flowing as soon as a current direction detected */
    if ((currentDirection == BMS_CHARGING) || (currentDirection == BMS_DISCHARGING)) {
        const bool stringClosed      = BMS_IsStringClosed(stringNumber);
        const bool stringPrecharging = BMS_IsStringPrecharging(stringNumber);
        /* String appears to be open */
        if ((stringClosed == false) && (stringPrecharging == false)) {
            currentOnOpenString = true;
        }
    }
    return currentOnOpenString;
}
 
/*========== Externalized Static Function Implementations (Unit Test) =======*/
#ifdef UNITY_UNIT_TEST
#endif