controlcan.h

CAN-bus与RS232转换器在linux操作系统下实现

#ifndef CONTROLCAN_H
#define CONTROLCAN_H

//接口卡类型定义
#define VCI_PCI5121		1
#define VCI_PCI9810		2
#define VCI_USBCAN1		3
#define VCI_USBCAN2		4
#define VCI_PCI9820		5
#define VCI_CAN232		6
#define VCI_PCI5110		7
#define VCI_CANLite		8
#define VCI_ISA9620		9
#define VCI_ISA5420		10

//CAN错误码
#define	ERR_CAN_OVERFLOW			0x0001	//CAN控制器内部FIFO溢出
#define	ERR_CAN_ERRALARM			0x0002	//CAN控制器错误报警
#define	ERR_CAN_PASSIVE				0x0004	//CAN控制器消极错误
#define	ERR_CAN_LOSE				0x0008	//CAN控制器仲裁丢失
#define	ERR_CAN_BUSERR				0x0010	//CAN控制器总线错误

//通用错误码
#define	ERR_DEVICEOPENED			0x0100	//设备已经打开
#define	ERR_DEVICEOPEN				0x0200	//打开设备错误
#define	ERR_DEVICENOTOPEN			0x0400	//设备没有打开
#define	ERR_BUFFEROVERFLOW			0x0800	//缓冲区溢出
#define	ERR_DEVICENOTEXIST			0x1000	//此设备不存在
#define	ERR_LOADKERNELDLL			0x2000	//装载动态库失败
#define ERR_CMDFAILED				0x4000	//执行命令失败错误码
#define	ERR_BUFFERCREATE			0x8000	//内存不足


//函数调用返回状态值
#define	STATUS_OK					1
#define STATUS_ERR					0
	
#define USHORT unsigned short int
#define BYTE unsigned char
#define CHAR char
#define UCHAR unsigned char
#define UINT unsigned int
#define DWORD unsigned int
#define PVOID void*
#define ULONG unsigned int
#define INT int
#define UINT32 UINT
#define LPVOID void*
#define BOOL BYTE
#define TRUE 1
#define FALSE 0


//1.ZLGCAN系列接口卡信息的数据类型。
typedef  struct  _VCI_BOARD_INFO{
		USHORT	hw_Version;
		USHORT	fw_Version;
		USHORT	dr_Version;
		USHORT	in_Version;
		USHORT	irq_Num;
		BYTE	can_Num;
		CHAR	str_Serial_Num[20];
		CHAR	str_hw_Type[40];
		USHORT	Reserved[4];
} VCI_BOARD_INFO,*PVCI_BOARD_INFO; 

//2.定义CAN信息帧的数据类型。
typedef  struct  _VCI_CAN_OBJ{
	UINT	ID;
	UINT	TimeStamp;
	BYTE	TimeFlag;
	BYTE	SendType;
	BYTE	RemoteFlag;//是否是远程帧
	BYTE	ExternFlag;//是否是扩展帧
	BYTE	DataLen;
	BYTE	Data[8];
	BYTE	Reserved[3];
}VCI_CAN_OBJ,*PVCI_CAN_OBJ;

//3.定义CAN控制器状态的数据类型。
typedef struct _VCI_CAN_STATUS{
	UCHAR	ErrInterrupt;
	UCHAR	regMode;
	UCHAR	regStatus;
	UCHAR	regALCapture;
	UCHAR	regECCapture; 
	UCHAR	regEWLimit;
	UCHAR	regRECounter; 
	UCHAR	regTECounter;
	DWORD	Reserved;
}VCI_CAN_STATUS,*PVCI_CAN_STATUS;

//4.定义错误信息的数据类型。
typedef struct _ERR_INFO{
		UINT	ErrCode;
		BYTE	Passive_ErrData[3];
		BYTE	ArLost_ErrData;
} VCI_ERR_INFO,*PVCI_ERR_INFO;

//5.定义初始化CAN的数据类型
typedef struct _INIT_CONFIG{
	DWORD	AccCode;
	DWORD	AccMask;
	DWORD	Reserved;
	UCHAR	Filter;
	UCHAR	Timing0;	
	UCHAR	Timing1;	
	UCHAR	Mode;
}VCI_INIT_CONFIG,*PVCI_INIT_CONFIG;

DWORD VCI_OpenDevice(DWORD DeviceType,DWORD DeviceInd,DWORD Reserved);
DWORD VCI_CloseDevice(DWORD DeviceType,DWORD DeviceInd);
DWORD VCI_InitCAN(DWORD DeviceType, DWORD DeviceInd, DWORD CANInd, PVCI_INIT_CONFIG pInitConfig);

DWORD VCI_ReadBoardInfo(DWORD DeviceType,DWORD DeviceInd,PVCI_BOARD_INFO pInfo);
DWORD VCI_ReadErrInfo(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_ERR_INFO pErrInfo);
DWORD VCI_ReadCANStatus(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_CAN_STATUS pCANStatus);

DWORD VCI_GetReference(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,DWORD RefType,PVOID pData);
DWORD VCI_SetReference(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,DWORD RefType,PVOID pData);

ULONG VCI_GetReceiveNum(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd);
DWORD VCI_ClearBuffer(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd);

DWORD VCI_StartCAN(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd);
DWORD VCI_ResetCAN(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd);

ULONG VCI_Transmit(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_CAN_OBJ pSend,UINT Len);
ULONG VCI_Receive(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_CAN_OBJ pReceive,UINT Len,INT WaitTime);

#endif