#ifndef __CAN_INTERFACE_H
#define __CAN_INTERFACE_H

#ifdef __cplusplus
extern "C" {
#endif
#ifdef __CAN_INTERFACE_H_GLOBAL
#define __CAN_INTERFACE_H_EXTERN
#else
#define __CAN_INTERFACE_H_EXTERN extern
#endif

/************************************************************************************************
 *                                          Version *
 ************************************************************************************************/

/************************************************************************************************
 *                                          How to use *
 ************************************************************************************************/

/************************************************************************************************
 *                                          Enable config                                        *
 ************************************************************************************************/

/************************************************************************************************
 *                                          Includes *
 ************************************************************************************************/
#include <can.h>
/************************************************************************************************
 *                                          Defines                                              *
 ************************************************************************************************/
#define CAN_IER              hcan.Instance->IER
#define CAN_IT_TME_ENABLE()  HAL_CAN_ActivateNotification(&hcan, CAN_IT_TX_MAILBOX_EMPTY)
#define CAN_IT_TME_DISABLE() HAL_CAN_DeactivateNotification(&hcan, CAN_IT_TX_MAILBOX_EMPTY)
/************************************************************************************************
 *                                          Typedefs                                            *
 ************************************************************************************************/
typedef struct
{
    struct
    {
        uint8_t ide;
        uint8_t rtr;
        uint8_t dlc;
    } reg;
    union
    {
        uint32_t r;
        struct
        {
            uint8_t sa : 8;
            uint8_t ps : 8;
            uint8_t pf : 8;
            uint8_t dp : 1;
            uint8_t r  : 1;
            uint8_t p  : 3;
        } b;
    } id;
    union
    {
        uint8_t  u8_buf[8];
        uint16_t u16_buf[4];
        uint32_t u32_buf[2];
        uint64_t u64_buf;
    } data;
} pdu_tag, *p_pdu_tag;

typedef void (*pcan_tx)(void);
typedef void (*pcan_rx)(CAN_RxHeaderTypeDef, uint8_t *);
/************************************************************************************************
 *                                          Interfaces                                          *
 ************************************************************************************************/
uint8_t can_write(uint32_t id, uint8_t id_type, uint8_t *p_data, uint8_t len);
void    can_rx_back_init(pcan_rx p_fun);
void    can_tx_back_init(pcan_tx p_fun);
#ifdef __cplusplus
};
#endif

#endif // __CAN_INTERFACE_H