can_cbs_tx_string-state-estimation.c

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/**
 * @file    can_cbs_tx_string-state-estimation.c
 * @author  foxBMS Team
 * @date    2021-07-21 (date of creation)
 * @updated 2022-10-27 (date of last update)
 * @version v1.4.1
 * @ingroup DRIVER
 * @prefix  CANTX
 *
 * @brief   CAN driver Tx callback implementation
 * @details CAN Tx callback for state estimation messages
 */
 
/*========== Includes =======================================================*/
#include "bms.h"
#include "can_cbs_tx.h"
#include "can_cfg_tx-message-definitions.h"
#include "can_helper.h"
#include "foxmath.h"
 
/*========== Macros and Definitions =========================================*/
 
/*========== Static Constant and Variable Definitions =======================*/
 
/*========== Extern Constant and Variable Definitions =======================*/
 
/*========== Static Function Prototypes =====================================*/
 
/*========== Static Function Implementations ================================*/
 
/*========== Extern Function Implementations ================================*/
 
extern uint32_t CANTX_StringStateEstimation(
    CAN_MESSAGE_PROPERTIES_s message,
    uint8_t *pCanData,
    uint8_t *pMuxId,
    const CAN_SHIM_s *const kpkCanShim) {
    FAS_ASSERT(message.id == CANTX_STRING_STATE_ESTIMATION_ID);
    FAS_ASSERT(message.dlc == CAN_FOXBMS_MESSAGES_DEFAULT_DLC);
    FAS_ASSERT(pCanData != NULL_PTR);
    FAS_ASSERT(pMuxId != NULL_PTR);
    FAS_ASSERT(*pMuxId < BS_NR_OF_STRINGS);
    FAS_ASSERT(kpkCanShim != NULL_PTR);
    uint64_t messageData = 0u;
 
    /** Database entry with state estimation values does not need to be read
     *  within this callback as it is already read by function
     *  #CANTX_PackStateEstimation */
    const uint8_t stringNumber = *pMuxId;
 
    /* set multiplexer in CAN frame */
    /* AXIVION Disable Style Generic-NoMagicNumbers: Signal data defined in .dbc file. */
    uint64_t data = (uint64_t)stringNumber;
    CAN_TxSetMessageDataWithSignalData(&messageData, 7u, 4u, data, message.endianness);
 
    /* Minimum SOC */
    float signalData = kpkCanShim->pTableSox->minimumSoc_perc[stringNumber];
    float offset     = 0.0f;
    float factor     = 4.0f; /* convert from perc to 0.25perc */
    signalData       = (signalData + offset) * factor;
    data             = (int64_t)signalData;
    /* set data in CAN frame */
    CAN_TxSetMessageDataWithSignalData(&messageData, 3u, 9u, data, message.endianness);
 
    /* Average SOC */
    signalData = kpkCanShim->pTableSox->averageSoc_perc[stringNumber];
    offset     = 0.0f;
    factor     = 4.0f; /* convert from perc to 0.25perc */
    signalData = (signalData + offset) * factor;
    data       = (int64_t)signalData;
    /* set data in CAN frame */
    CAN_TxSetMessageDataWithSignalData(&messageData, 10u, 9u, data, message.endianness);
 
    /* Maximum SOC */
    signalData = kpkCanShim->pTableSox->maximumSoc_perc[stringNumber];
    offset     = 0.0f;
    factor     = 4.0f; /* convert from perc to 0.25perc */
    signalData = (signalData + offset) * factor;
    data       = (int64_t)signalData;
    /* set data in CAN frame */
    CAN_TxSetMessageDataWithSignalData(&messageData, 17u, 9u, data, message.endianness);
 
    /* SOE */
    if (BMS_CHARGING == BMS_GetCurrentFlowDirection(kpkCanShim->pTablePackValues->stringCurrent_mA[stringNumber])) {
        signalData = kpkCanShim->pTableSox->maximumSoe_perc[stringNumber];
    } else {
        signalData = kpkCanShim->pTableSox->minimumSoe_perc[stringNumber];
    }
    offset     = 0.0f;
    factor     = 4.0f; /* convert from perc to 0.25perc */
    signalData = (signalData + offset) * factor;
    data       = (int64_t)signalData;
    /* set data in CAN frame */
    CAN_TxSetMessageDataWithSignalData(&messageData, 24u, 9u, data, message.endianness);
 
    /* SOH */
    signalData = 100.0f;
    offset     = 0.0f;
    factor     = 4.0f; /* convert from perc to 0.25perc */
    signalData = (signalData + offset) * factor;
    data       = (int64_t)signalData;
    /* set data in CAN frame */
    CAN_TxSetMessageDataWithSignalData(&messageData, 47u, 9u, data, message.endianness);
 
    /* String energy */
    signalData = kpkCanShim->pTableSox->minimumSoe_Wh[stringNumber];
    offset     = 0.0f;
    factor     = 0.1f; /* convert from Wh to 10Wh */
    signalData = (signalData + offset) * factor;
    data       = (int64_t)signalData;
    /* set data in CAN frame */
    CAN_TxSetMessageDataWithSignalData(&messageData, 54u, 15u, data, message.endianness);
    /* AXIVION Enable Style Generic-NoMagicNumbers: */
 
    /* now copy data in the buffer that will be used to send data */
    CAN_TxSetCanDataWithMessageData(messageData, pCanData, message.endianness);
 
    /* Increment multiplexer for next cell */
    (*pMuxId)++;
 
    /* Check mux value */
    if (*pMuxId >= BS_NR_OF_STRINGS) {
        *pMuxId = 0u;
    }
 
    return 0;
}
 
/*========== Externalized Static Function Implementations (Unit Test) =======*/
#ifdef UNITY_UNIT_TEST
 
#endif