can_cbs_rx_imd.c

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/**
 * @file    can_cbs_rx_imd.c
 * @author  foxBMS Team
 * @date    2021-04-20 (date of creation)
 * @updated 2021-12-01 (date of last update)
 * @ingroup DRIVER
 * @prefix  CAN
 *
 * @brief   CAN driver Rx callback implementation
 * @details CAN Rx callback for IMD messages
 */
 
/*========== Includes =======================================================*/
#include "can_cbs.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 CAN_RxImdInfo(
    uint32_t id,
    uint8_t dlc,
    CAN_ENDIANNESS_e endianness,
    uint8_t *pCanData,
    uint8_t *pMuxId,
    const CAN_SHIM_s *const kpkCanShim) {
    /* This handler is only implemented for little endian */
    FAS_ASSERT(endianness == CAN_LITTLE_ENDIAN);
    /* 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 */
    const uint8_t boundedDlc = MATH_MinimumOfTwoUint8_t(dlc, CAN_MAX_DLC);
    FAS_ASSERT(pCanData != NULL_PTR);
    FAS_ASSERT(kpkCanShim != NULL_PTR);
    CAN_BUFFERELEMENT_s canMessage = {0};
    uint32_t retVal                = 1u;
 
    canMessage.id = id;
    for (uint8_t i = 0; i < boundedDlc; i++) {
        canMessage.data[i] = pCanData[i];
    }
    if (OS_SendToBackOfQueue(*(kpkCanShim->pQueueImd), (void *)&canMessage, 0u) == OS_SUCCESS) {
        retVal = 0u;
    }
    return retVal;
}
 
extern uint32_t CAN_RxImdResponse(
    uint32_t id,
    uint8_t dlc,
    CAN_ENDIANNESS_e endianness,
    uint8_t *pCanData,
    uint8_t *pMuxId,
    const CAN_SHIM_s *const kpkCanShim) {
    /* This handler is only implemented for little endian */
    FAS_ASSERT(endianness == CAN_LITTLE_ENDIAN);
    /* 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 */
    const uint8_t boundedDlc = MATH_MinimumOfTwoUint8_t(dlc, CAN_MAX_DLC);
    FAS_ASSERT(pCanData != NULL_PTR);
    FAS_ASSERT(kpkCanShim != NULL_PTR);
    CAN_BUFFERELEMENT_s canMessage = {0};
    uint32_t retVal                = 1u;
 
    canMessage.id = id;
    for (uint8_t i = 0; i < boundedDlc; i++) {
        canMessage.data[i] = pCanData[i];
    }
    if (OS_SendToBackOfQueue(*(kpkCanShim->pQueueImd), (void *)&canMessage, 0u) == OS_SUCCESS) {
        retVal = 0u;
    }
    return retVal;
}
 
/*========== Externalized Static Function Implementations (Unit Test) =======*/