can_cbs_rx_command.c

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/**
 * @file    can_cbs_rx_command.c
 * @author  foxBMS Team
 * @date    2021-07-28 (date of creation)
 * @updated 2021-07-28 (date of last update)
 * @ingroup DRIVER
 * @prefix  CAN
 *
 * @brief   CAN driver Rx callback implementation
 * @details CAN Rx callback for command message
 */
 
/*========== Includes =======================================================*/
#include "bms_cfg.h"
 
#include "bal.h"
#include "can_cbs.h"
#include "can_helper.h"
#include "diag.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 CAN_RxRequest(
    uint32_t id,
    uint8_t dlc,
    CAN_ENDIANNESS_e endianness,
    uint8_t *pCanData,
    uint8_t *pMuxId,
    const CAN_SHIM_s *const kpkCanShim) {
    /* pMuxId is not used here, therefore has to be NULL_PTR */
    FAS_ASSERT(pMuxId == NULL_PTR);
 
    FAS_ASSERT(id < CAN_MAX_11BIT_ID); /* Currently standard ID, 11 bit */
    FAS_ASSERT(dlc <= CAN_MAX_DLC);    /* Currently max 8 bytes in a CAN frame */
    FAS_ASSERT(pCanData != NULL_PTR);
    FAS_ASSERT(kpkCanShim != NULL_PTR);
    uint64_t message    = 0;
    uint64_t signalData = 0;
 
    DATA_READ_DATA(kpkCanShim->pTableStateRequest);
 
    CAN_RxGetMessageDataFromCanData(&message, pCanData, endianness);
 
    /* AXIVION Disable Style Generic-NoMagicNumbers: Signal data defined in .dbc file. */
    CAN_RxGetSignalDataFromMessageData(message, 1u, 2u, &signalData, endianness);
    /* AXIVION Enable Style Generic-NoMagicNumbers: */
 
    /** 0x00: Disconnect strings from HV bus
     *  0x01: Connect strings to HV bus to start discharge
     *  0x02: Connect strings to HV bus to start charging
     */
    uint8_t stateRequest = BMS_REQ_ID_NOREQ;
 
    switch (signalData) {
        case 0u:
            stateRequest = BMS_REQ_ID_STANDBY;
            break;
        case 1u:
            stateRequest = BMS_REQ_ID_NORMAL;
            break;
        case 2u:
            stateRequest = BMS_REQ_ID_CHARGE;
            break;
        default:
            stateRequest = BMS_REQ_ID_NOREQ;
            break;
    }
    kpkCanShim->pTableStateRequest->previousStateRequestViaCan = kpkCanShim->pTableStateRequest->stateRequestViaCan;
    kpkCanShim->pTableStateRequest->stateRequestViaCan         = stateRequest;
    if ((kpkCanShim->pTableStateRequest->stateRequestViaCan !=
         kpkCanShim->pTableStateRequest->previousStateRequestViaCan) ||
        ((OS_GetTickCount() - kpkCanShim->pTableStateRequest->header.timestamp) > 3000U)) { /* TODO: check pointer */
        kpkCanShim->pTableStateRequest->stateRequestViaCanPending = stateRequest;
    }
    kpkCanShim->pTableStateRequest->state++;
 
    /* Get balancing request */
    /* AXIVION Disable Style Generic-NoMagicNumbers: Signal data defined in .dbc file. */
    CAN_RxGetSignalDataFromMessageData(message, 8u, 1u, &signalData, endianness);
    /* AXIVION Enable Style Generic-NoMagicNumbers: */
 
    if (STD_OK == BAL_GetInitializationState()) {
        if ((uint8_t)signalData == 0u) {
            BAL_SetStateRequest(BAL_STATE_GLOBAL_DISABLE_REQUEST);
        } else {
            BAL_SetStateRequest(BAL_STATE_GLOBAL_ENABLE_REQUEST);
        }
    }
 
    /* Get balancing threshold */
    /* AXIVION Disable Style Generic-NoMagicNumbers: Signal data defined in .dbc file. */
    CAN_RxGetSignalDataFromMessageData(message, 23u, 8u, &signalData, endianness);
    /* AXIVION Enable Style Generic-NoMagicNumbers: */
 
    /* TODO: Implement missing signals */
 
    DATA_WRITE_DATA(kpkCanShim->pTableStateRequest);
 
    return 0;
}
 
/*========== Externalized Static Function Implementations (Unit Test) =======*/
#ifdef UNITY_UNIT_TEST
 
#endif