dev_can.h 文件参考

#include <rtthread.h>

dev_can.h 的引用(Include)关系图:

浏览该文件的源代码.

结构体
struct	rt_can_filter_item
struct	rt_can_filter_config
struct	rt_can_bit_timing
struct	rt_can_bit_timing_config
struct	can_configure
struct	rt_can_status
struct	rt_can_status_ind_type
struct	rt_can_device
struct	rt_can_msg
struct	rt_can_msg_list
struct	rt_can_rx_fifo
struct	rt_can_sndbxinx_list
struct	rt_can_tx_fifo
struct	rt_can_ops

宏定义
#define	RT_CANMSG_BOX_SZ   16
#define	RT_CANSND_BOX_NUM   1
#define	RT_CAN_MODE_NORMAL   0
#define	RT_CAN_MODE_LISTEN   1
#define	RT_CAN_MODE_LOOPBACK   2
#define	RT_CAN_MODE_LOOPBACKANLISTEN   3
#define	RT_CAN_MODE_PRIV   0x01
#define	RT_CAN_MODE_NOPRIV   0x00
#define	CAN_RX_FIFO0   (0x00000000U)
#define	CAN_RX_FIFO1   (0x00000001U)
#define	RT_CAN_FILTER_ITEM_INIT(id, ide, rtr, mode, mask)
#define	RT_CAN_FILTER_STD_INIT(id)
#define	RT_CAN_FILTER_EXT_INIT(id)
#define	RT_CAN_STD_RMT_FILTER_INIT(id)
#define	RT_CAN_EXT_RMT_FILTER_INIT(id)
#define	RT_CAN_STD_RMT_DATA_FILTER_INIT(id)
#define	RT_CAN_EXT_RMT_DATA_FILTER_INIT(id)
#define	CANDEFAULTCONFIG
#define	RT_CAN_CMD_SET_FILTER   0x13
#define	RT_CAN_CMD_SET_BAUD   0x14
#define	RT_CAN_CMD_SET_MODE   0x15
#define	RT_CAN_CMD_SET_PRIV   0x16
#define	RT_CAN_CMD_GET_STATUS   0x17
#define	RT_CAN_CMD_SET_STATUS_IND   0x18
#define	RT_CAN_CMD_SET_BUS_HOOK   0x19
#define	RT_CAN_CMD_SET_CANFD   0x1A
#define	RT_CAN_CMD_SET_BAUD_FD   0x1B
#define	RT_CAN_CMD_SET_BITTIMING   0x1C
#define	RT_CAN_CMD_START   0x1D
#define	RT_DEVICE_CAN_INT_ERR   0x1000
#define	RT_CAN_STDID   0
#define	RT_CAN_EXTID   1
#define	RT_CAN_DTR   0
#define	RT_CAN_RTR   1
#define	RT_CAN_SND_RESULT_OK   0
#define	RT_CAN_SND_RESULT_ERR   1
#define	RT_CAN_SND_RESULT_WAIT   2
#define	RT_CAN_EVENT_RX_IND   0x01 /* Rx indication */
#define	RT_CAN_EVENT_TX_DONE   0x02 /* Tx complete */
#define	RT_CAN_EVENT_TX_FAIL   0x03 /* Tx fail */
#define	RT_CAN_EVENT_RX_TIMEOUT   0x05 /* Rx timeout */
#define	RT_CAN_EVENT_RXOF_IND   0x06 /* Rx overflow */

类型定义
typedef rt_err_t(*	rt_canstatus_ind) (struct rt_can_device *, void *)
typedef struct rt_can_status_ind_type *	rt_can_status_ind_type_t
typedef void(*	rt_can_bus_hook) (struct rt_can_device *)
typedef struct rt_can_device *	rt_can_t
typedef struct rt_can_status *	rt_can_status_t
typedef struct rt_can_msg *	rt_can_msg_t

枚举
enum	CAN_DLC {   CAN_MSG_0BYTE = 0 , CAN_MSG_1BYTE , CAN_MSG_2BYTES , CAN_MSG_3BYTES ,   CAN_MSG_4BYTES , CAN_MSG_5BYTES , CAN_MSG_6BYTES , CAN_MSG_7BYTES ,   CAN_MSG_8BYTES , CAN_MSG_12BYTES , CAN_MSG_16BYTES , CAN_MSG_20BYTES ,   CAN_MSG_24BYTES , CAN_MSG_32BYTES , CAN_MSG_48BYTES , CAN_MSG_64BYTES }
enum	CANBAUD {   CAN1MBaud = 1000UL * 1000 , CAN800kBaud = 1000UL * 800 , CAN500kBaud = 1000UL * 500 , CAN250kBaud = 1000UL * 250 ,   CAN125kBaud = 1000UL * 125 , CAN100kBaud = 1000UL * 100 , CAN50kBaud = 1000UL * 50 , CAN20kBaud = 1000UL * 20 ,   CAN10kBaud = 1000UL * 10 }
enum	RT_CAN_STATUS_MODE { NORMAL = 0 , ERRWARNING = 1 , ERRPASSIVE = 2 , BUSOFF = 4 }
enum	RT_CAN_BUS_ERR {   RT_CAN_BUS_NO_ERR = 0 , RT_CAN_BUS_BIT_PAD_ERR = 1 , RT_CAN_BUS_FORMAT_ERR = 2 , RT_CAN_BUS_ACK_ERR = 3 ,   RT_CAN_BUS_IMPLICIT_BIT_ERR = 4 , RT_CAN_BUS_EXPLICIT_BIT_ERR = 5 , RT_CAN_BUS_CRC_ERR = 6 }

函数
rt_err_t	rt_hw_can_register (struct rt_can_device *can, const char *name, const struct rt_can_ops *ops, void *data)
void	rt_hw_can_isr (struct rt_can_device *can, int event)

宏定义说明

RT_CANMSG_BOX_SZ

#define RT_CANMSG_BOX_SZ   16

在文件 dev_can.h 第 19 行定义.

RT_CANSND_BOX_NUM

#define RT_CANSND_BOX_NUM   1

在文件 dev_can.h 第 22 行定义.

RT_CAN_MODE_NORMAL

#define RT_CAN_MODE_NORMAL   0

在文件 dev_can.h 第 58 行定义.

RT_CAN_MODE_LISTEN

#define RT_CAN_MODE_LISTEN   1

在文件 dev_can.h 第 59 行定义.

RT_CAN_MODE_LOOPBACK

#define RT_CAN_MODE_LOOPBACK   2

在文件 dev_can.h 第 60 行定义.

RT_CAN_MODE_LOOPBACKANLISTEN

#define RT_CAN_MODE_LOOPBACKANLISTEN   3

在文件 dev_can.h 第 61 行定义.

RT_CAN_MODE_PRIV

#define RT_CAN_MODE_PRIV   0x01

在文件 dev_can.h 第 63 行定义.

RT_CAN_MODE_NOPRIV

#define RT_CAN_MODE_NOPRIV   0x00

在文件 dev_can.h 第 64 行定义.

枚举类型说明

CAN_DLC

enum CAN_DLC

枚举值
CAN_MSG_0BYTE	0
CAN_MSG_1BYTE
CAN_MSG_2BYTES
CAN_MSG_3BYTES
CAN_MSG_4BYTES
CAN_MSG_5BYTES
CAN_MSG_6BYTES
CAN_MSG_7BYTES
CAN_MSG_8BYTES
CAN_MSG_12BYTES
CAN_MSG_16BYTES
CAN_MSG_20BYTES
CAN_MSG_24BYTES
CAN_MSG_32BYTES
CAN_MSG_48BYTES
CAN_MSG_64BYTES

在文件 dev_can.h 第 25 行定义.

{
    CAN_MSG_0BYTE = 0,
    CAN_MSG_1BYTE,
    CAN_MSG_2BYTES,
    CAN_MSG_3BYTES,
    CAN_MSG_4BYTES,
    CAN_MSG_5BYTES,
    CAN_MSG_6BYTES,
    CAN_MSG_7BYTES,
    CAN_MSG_8BYTES,
    CAN_MSG_12BYTES,
    CAN_MSG_16BYTES,
    CAN_MSG_20BYTES,
    CAN_MSG_24BYTES,
    CAN_MSG_32BYTES,
    CAN_MSG_48BYTES,
    CAN_MSG_64BYTES,
};

CANBAUD

enum CANBAUD

枚举值
CAN1MBaud	1000UL * 1000
CAN800kBaud	1000UL * 800
CAN500kBaud	1000UL * 500
CAN250kBaud	1000UL * 250
CAN125kBaud	1000UL * 125
CAN100kBaud	1000UL * 100
CAN50kBaud	1000UL * 50
CAN20kBaud	1000UL * 20
CAN10kBaud	1000UL * 10

在文件 dev_can.h 第 45 行定义.

{
    CAN1MBaud   = 1000UL * 1000,/* 1 MBit/sec   */
    CAN800kBaud = 1000UL * 800, /* 800 kBit/sec */
    CAN500kBaud = 1000UL * 500, /* 500 kBit/sec */
    CAN250kBaud = 1000UL * 250, /* 250 kBit/sec */
    CAN125kBaud = 1000UL * 125, /* 125 kBit/sec */
    CAN100kBaud = 1000UL * 100, /* 100 kBit/sec */
    CAN50kBaud  = 1000UL * 50,  /* 50 kBit/sec  */
    CAN20kBaud  = 1000UL * 20,  /* 20 kBit/sec  */
    CAN10kBaud  = 1000UL * 10   /* 10 kBit/sec  */
};