global.h

一个CAN总线应用的sample ,采用LPC2119处理器.

extern void HC595_SendDat(UINT8 );
extern void LED(UINT32);
extern void Beep(UINT32 );
extern void BeepOn(void);
extern void BeepOff(void);

extern UINT8  	DeviceID;
extern UINT8		tmp;


//UART0
extern UINT32		UartStatus;
extern UINT32		RcvCounter;
extern UINT32		CanSendFlag;
extern UINT8  	SRBuf[160];
extern UINT8 	  	STBuf[100];

//CAN
extern UINT8  ChanFlag; // 1 CAN0畅通 2 CAN1畅通 3 两个都畅通或者都不通，按规则处理
extern INT16  Bal;		// 平衡流量计数器 >=0 表示 CAN0流量多 <0 CAN1 流量多
extern UINT8  sCommSnd[128]; //网络层发送缓冲区
extern UINT8  sCommRcv[128]; //网络层接收缓冲区
extern stcPacket * pstcPacket;
extern UINT8 AckArrived;
extern eCANNUM chan;
extern UINT16 CurrentSndPacketID;
extern UINT16 CurrentRcvPacketLen;
extern UINT16 CurrentRcvPacketID;
extern UINT16 LockedFlag;
extern stcTxBUF 	CTbuf;	
extern stcRxBUF	CRBuf;							//
extern UINT32		NetAppSendFlag;
extern UINT32 	TransCounter;
extern UINT32 	pID;
extern const	UINT8	CanErr[14];
extern UINT8	AckArrived ;
extern UINT16	CurrentSndPacketID ;
extern UINT16	CurrentRcvPacketID ;
extern UINT16	LockedFlag;
extern void SendAckPacket(eCANNUM);
extern void SendEndPacket(void);

//timer0

extern void  Time0Init(void);