head.h

CAN总线源程序,欢迎大家共同学习

#define BAS_ADDR		0xC000
#define LED				0x2000

#define MODE  			BAS_ADDR+0x00
#define CMR  			BAS_ADDR+0x01
#define SR  			BAS_ADDR+0x02
#define IR  			BAS_ADDR+0x03
#define IER  			BAS_ADDR+0x04
#define BTR0  			BAS_ADDR+0x06
#define BTR1  			BAS_ADDR+0x07
#define OCR  			BAS_ADDR+0x08
#define TEST			BAS_ADDR+0x09
#define ALC 			BAS_ADDR+0x0B
#define ECC  			BAS_ADDR+0x0C
#define EWLR  			BAS_ADDR+0x0D
#define RXERR  	   BAS_ADDR+0x0E
#define TXERR			BAS_ADDR+0x0F

#define CANRXB			BAS_ADDR+0x10
#define RX_1			BAS_ADDR+0x11
#define RX_2			BAS_ADDR+0x12
#define RX_3			BAS_ADDR+0x13
#define RX_4			BAS_ADDR+0x14
#define RX_DATA1		BAS_ADDR+0x15
#define RX_DATA2		BAS_ADDR+0x16
#define RX_DATA3		BAS_ADDR+0x17
#define RX_DATA4		BAS_ADDR+0x18
#define RX_DATA5		BAS_ADDR+0x19
#define RX_DATA6		BAS_ADDR+0x1A
#define RX_DATA7		BAS_ADDR+0x1B
#define RX_DATA8		BAS_ADDR+0x1C

#define CANTXB			BAS_ADDR+0x10
#define TX_1			BAS_ADDR+0x11
#define TX_2			BAS_ADDR+0x12
#define TX_3			BAS_ADDR+0x13
#define TX_4			BAS_ADDR+0x14
#define TX_DATA1		BAS_ADDR+0x15
#define TX_DATA2		BAS_ADDR+0x16
#define TX_DATA3		BAS_ADDR+0x17
#define TX_DATA4		BAS_ADDR+0x18
#define TX_DATA5		BAS_ADDR+0x19
#define TX_DATA6		BAS_ADDR+0x1A
#define TX_DATA7		BAS_ADDR+0x1B
#define TX_DATA8		BAS_ADDR+0x1C

#define ACR0			BAS_ADDR+0x10
#define ACR1  			BAS_ADDR+0x11
#define ACR2  			BAS_ADDR+0x12
#define ACR3 			BAS_ADDR+0x13
#define AMR0  			BAS_ADDR+0x14
#define AMR1  			BAS_ADDR+0x15
#define AMR2  			BAS_ADDR+0x16
#define AMR3  			BAS_ADDR+0x17
#define RMC  			BAS_ADDR+0x1D		//RX报文计数器
#define RBSA  			BAS_ADDR+0x1E		//RX缓冲区起址
#define CDR  		    BAS_ADDR+0x1F		//时钟分频器

#define RAM_DATA		BAS_ADDR+0x20


#ifndef   __VAR_H__
#define   __VAR_H__ 


typedef union flag1
{
struct flag
{unsigned char REC_REMOTE_FRAME   :1;           //设置接收远程请求帧标志位
unsigned char  REC_DATA_FRAME      :1;   			//设置接收远程请求帧标志位
unsigned char ERR_FLAG		        :1;				//监测到错误标志
unsigned char OVER_FLAG			  :1;				//超载标志
unsigned char SEND_FLAG			  :1;			   //SJA1000发送完成标志
unsigned char WOKE_FLAG	        :1;				//	唤醒SJA1000标志
unsigned char PERR_FLAG 			  :1;				//错误认可标志
unsigned char LOST_FLAG			  :1;				//仲裁丢失标志
unsigned char BERR_FLAG			  :1;          //总线错误标志
unsigned char REQU_FLASH_FLAGE    :1;				//请求帧标志位
unsigned char TOIR                :1;				//定时器T0标志
unsigned char pp                  :1;
}flags;
int value;
}my_flag1;


sbit P3_1=P3^1;
extern my_flag1 my_flag;
extern unsigned char buf[13];
extern unsigned char a;
extern unsigned char tuf[13];
#endif