#ifndef _DRV_CAN_H_
#define _DRV_CAN_H_

#ifdef __cplusplus
extern "C" {
#endif 

#include "kit_macro.h"

#define CAN_DATA_LEN    (8u)

typedef enum
{
    kcan_dev_e_1,      
    kcan_dev_e_2,
    kcan_dev_e_End,
}can_dev_e;

typedef enum
{
    kcan_interrupt_e_Rx = 0, 
    kcan_interrupt_e_Tx,
    kcan_interrupt_e_End,     
}can_interrupt_e;

typedef enum
{
    kcan_frame_type_e_Std = 0, 
    kcan_frame_type_e_Ext,
    kcan_frame_type_e_End,     
} can_frame_type_e;

//1远程帧 0数据帧
typedef enum
{
    kCanRtr_Data = 0,
    kCanRtr_Remote,
    kCanRtr_End,
}CanRtr;

typedef enum
{
    kcan_filter_e_Mask,
    kcan_filter_e_List,
    kcan_filter_e_End,
}can_filter_e;

typedef union
{
    uint32_t value;
    struct
    {
        uint8_t b0;
        uint8_t b1;
        uint8_t b2;
        uint8_t b3;
    }b;
}CanId;


typedef union
{
    uint8_t  byte[CAN_DATA_LEN];
    uint32_t value[2];
}CanData;


typedef struct
{
    CanId   id;  
    uint8_t len;
    can_frame_type_e  ide; //标示符类型
    CanRtr  rtr; //远程数据类型
    CanData data;
}CanMsg;


kit_ret_e drv_can_init(can_dev_e dev, uint32_t baud_rate, uint16_t rx_idx, uint16_t tx_idx);
kit_ret_e drv_can_send(can_dev_e dev, CanMsg *msg);
kit_ret_e drv_can_receive(can_dev_e dev, CanMsg *msg);

uint8_t   drv_can_get_mailbox(can_dev_e dev);
kit_ret_e drv_can_set_interrupt(can_dev_e dev, can_interrupt_e it_type, uint16_t priority, KitIrqCall call);
kit_ret_e drv_can_set_filter(uint8_t channel, can_filter_e mode, can_frame_type_e ide,  uint32_t rcv_id, uint32_t mask_id);
kit_ret_e drv_can_ctrl_interrupt(can_dev_e dev, can_interrupt_e it_type, bool is_enable);

#ifdef __cplusplus
}
#endif

#endif