link.h

基于CAN总线通讯的AD7703数摸转换芯片的摸拟量的采集程序

/*
 * link.h
 *
 * 电路接线描述(每个模块都要有自己的接线描述文件)
 *
 * 
 *
 *						陈真勇(SA01010010)
 *						[e-mail] or
 *						[e-mail]
 *						中国科学技术大学自动化系
 *						2002/6/12
 */
#ifndef _LINK_H_
#define _LINK_H_

#include <reg52.h>

sbit WDCS=P1^0;	/* 看门狗片选信号 */
sbit WDSI=P1^1;
sbit WDSCK=P1^2;


sbit CANLAMP=P1^6;/* this pin wired to a LED. when communication through CAN bus,it will be lightened.*/
	/* 有的板子接的是P1^4 */

/* AD7703相关的连线 */
sbit ADCS=P1^4;
sbit ADCAL=P1^5;
sbit ADSCLK=P3^1;
sbit ADSDATA=P3^0;
sbit ADDRDY=P3^3;
sbit ADS1=P2^5;
sbit ADS2=P2^4;
sbit ADS3=P2^3;/* these pins served as channel selector, but not used now*/

sbit CANCS=P2^7;
sbit HC245DIR=P2^1;
sbit HC245G=P2^6;
sbit X25045CS=P1^0;
sbit X25045SO=P1^3;
sbit X25045SI=P1^1;
sbit X25045SCK=P1^2;

sbit DQ = P1^7;


#endif /* _LINK_H_ */