can_cfg.h

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 *
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/**
 * @file    can_cfg.h
 * @author  foxBMS Team
 * @date    2019-12-04 (date of creation)
 * @updated 2019-12-04 (date of last update)
 * @ingroup DRIVERS
 * @prefix  CAN
 *
 * @brief   Headers for the configuration for the CAN module
 *
 * The activation and the length of the message buffers as well as the number of
 * the messages that are received are to be configured here
 *
 */
 
#ifndef FOXBMS__CAN_CFG_H_
#define FOXBMS__CAN_CFG_H_
 
/*========== Includes =======================================================*/
#include "general.h"
 
#include "database.h"
 
/*========== Macros and Definitions =========================================*/
 
/** macro for the register that handles the CAN-interface */
#define CAN_HET1_GIO (hetREG1)
 
/** register pin that handles enable */
#define CAN_HET1_EN_PIN (14U)
/** register pin that handles standby */
#define CAN_HET1_STB_PIN (16U)
 
/** Buffer element used to store the ID and data of a CAN RX message */
typedef struct CAN_BUFFERELEMENT {
    uint32_t id;     /*!< ID of the CAN message */
    uint8_t data[8]; /*!< payload of the CAN message */
} CAN_BUFFERELEMENT_s;
 
/* **************************************************************************************
 *  CAN BUFFER OPTIONS
 *****************************************************************************************/
 
/** CAN node enabling */
#define CAN_USE_CAN_NODE0 (1U)
 
/** CAN node enabling */
#define CAN_USE_CAN_NODE1 (0U)
 
/** CAN message ID to perform a software reset */
#define CAN_ID_SOFTWARE_RESET_MSG (0x95U)
 
/** delay in &micro;s used in #CAN_InitializeTransceiver for pin-toggling */
#define CAN_PIN_TOGGLE_DELAY_US (5u)
 
/** enum for byte order */
typedef enum {
    littleEndian,
    bigEndian,
} CAN_byteOrder_e;
 
/** type definition for callback functions used in CAN messages */
typedef uint32_t (
    *can_callback_funcPtr)(uint32_t ID, uint8_t DLC, CAN_byteOrder_e byteorder, uint8_t *candata, uint32_t *pMuxId);
 
/** type definition for structure of a TX CAN message */
typedef struct CAN_MSG_TX_TYPE {
    uint32_t id;                           /*!< CAN message id */
    uint8_t dlc;                           /*!< CAN message data length code */
    uint32_t repetitionTime;               /*!< CAN message cycle time */
    uint32_t repetitionPhase;              /*!< CAN message startup (first send) offset */
    CAN_byteOrder_e byteOrder;             /*!< Byte order (big or little endian) */
    can_callback_funcPtr callbackFunction; /*!< CAN message callback after message is sent */
    uint32_t *pMuxId; /*!< for multiplexed signals: callback can use this as pointer to a mux variable */
} CAN_MSG_TX_TYPE_s;
 
/** type definition for structure of an RX CAN message */
typedef struct CAN_MSG_RX_TYPE {
    uint32_t id;                           /*!< message ID */
    uint8_t dlc;                           /*!< data length */
    uint8_t rtr;                           /*!< rtr bit */
    CAN_byteOrder_e byteOrder;             /*!< Byte order (big or little endian) */
    can_callback_funcPtr callbackFunction; /*!< CAN message callback after message is received */
} CAN_MSG_RX_TYPE_s;
 
/*========== Extern Constant and Variable Declarations ======================*/
extern const CAN_MSG_TX_TYPE_s can_txMessages[];
extern const CAN_MSG_RX_TYPE_s can_rxMessages[];
 
/** array length for transmission CAN0 message definition @{*/
extern const uint8_t can_txLength;
extern const uint8_t can_rxLength;
/**@}*/
 
/*========== Extern Function Prototypes =====================================*/
 
/*========== Externalized Static Function Implementations (Unit Test) =======*/
#ifdef UNITY_UNIT_TEST
extern DATA_BLOCK_CELL_VOLTAGE_s *TEST_CAN_GetCellvoltageTab(void);
 
/* TX callback functions */
extern uint32_t TEST_CAN_TxVoltage(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
extern uint32_t TEST_CAN_TxPcbTemperature(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
extern uint32_t TEST_CAN_TxExternalTemperature(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
extern uint32_t TEST_CAN_TxVoltageMinMax(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
 
/* RX callback functions */
extern uint32_t TEST_CAN_RxRequest(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
extern uint32_t TEST_CAN_RxSwReset(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
extern uint32_t TEST_CAN_RxCurrentSensor(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
extern uint32_t TEST_CAN_RxDebug(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
extern uint32_t TEST_CAN_RxSwVersion(
    uint32_t id,
    uint8_t dlc,
    CAN_byteOrder_e byteOrder,
    uint8_t *pCanData,
    uint32_t *pMuxId);
#endif
 
/*========== Externalized Static Functions Prototypes (Unit Test) ===========*/
 
#endif /* FOXBMS__CAN_CFG_H_ */