can_cbs_rx_misc.c

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/**
 * @file    can_cbs_rx_misc.c
 * @author  foxBMS Team
 * @date    2021-04-20 (date of creation)
 * @updated 2021-07-29 (date of last update)
 * @ingroup DRIVER
 * @prefix  CAN
 *
 * @brief   CAN driver Rx callback implementation
 * @details CAN Rx callback for miscellanous messages
 */
 
/*========== Includes =======================================================*/
#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_RxSwReset(
    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);
    /* This handler is only implemented for little endian */
    FAS_ASSERT(endianness == CAN_LITTLE_ENDIAN);
 
    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);
    return 0;
}
 
extern uint32_t CAN_RxDebug(
    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;
 
    CAN_RxGetMessageDataFromCanData(&message, pCanData, endianness);
 
    uint64_t bitStart = 0;
    uint8_t bitLength = 8;
    CAN_RxGetSignalDataFromMessageData(message, bitStart, bitLength, &signalData, endianness);
 
    switch ((uint8_t)signalData) {
        case 0xAA:
            for (uint8_t s = 0u; s < BS_NR_OF_STRINGS; s++) {
                DIAG_Handler(DIAG_ID_DEEP_DISCHARGE_DETECTED, DIAG_EVENT_OK, DIAG_STRING, s);
            }
            break;
        default:
            /* no relevant message received -- nothing to do */
            break;
    }
    return 0;
}
 
extern uint32_t CAN_RxSwVersion(
    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);
    /* This handler is only implemented for little endian */
    FAS_ASSERT(endianness == CAN_LITTLE_ENDIAN);
 
    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);
    return 0;
}
 
/*========== Externalized Static Function Implementations (Unit Test) =======*/
#ifdef UNITY_UNIT_TEST
 
#endif