lcd_eem.c

外部接传感器完成数据采集

#include <cxfunc1.h>
#include <at8252.h>	
#include <string.h>
#include <absacc.h>
#include <intrins.h>
#include <math.h>
#include <stdio.h>
#include <ctype.h>                   
#include <stdlib.h>
#include <lcd_func.h>
#include <lcd_def.h>
#include <lcd_ext.h>

//将站号写入EEPROM
void wri_stat_eem(void)
{
	unsigned char xdata loopC;
	unsigned char xdata *vCP;
	unsigned char xdata * eem_adrCP;

	if(chk_event_flagI(SET_SADR_LIVE)){
		eem_adrCP=(unsigned char xdata *)0x00;
		vCP=(unsigned char xdata *)(&stat.adrC);
	}
	else if(chk_event_flagI(SET_DADR_LIVE)){
		eem_adrCP=(unsigned char xdata *)0x02;
		vCP=(unsigned char xdata *)(&stat.adrC);
	}	
	for(loopC=0;loopC<2;loopC++){
		wri_eem(*vCP++,eem_adrCP++);
	}   		
}

//从EEPROM中读出站号
void read_stat_eem(void)
{
	unsigned char xdata * eem_adrCP;

	eem_adrCP=(unsigned char xdata *)0x00;
	sadrS=(unsigned int)(read_eemC(eem_adrCP)<<8)
		+(unsigned int)(read_eemC(eem_adrCP+1));
	eem_adrCP=(unsigned char xdata *)0x02;
	dadrS=(unsigned int)(read_eemC(eem_adrCP)<<8)
		+(unsigned int)(read_eemC(eem_adrCP+1));       
}

//将报警参数写入EEPROM 
void wri_alarm_eem(void)
	{
	unsigned char xdata loopC;
	unsigned char xdata * vCP;
	unsigned char xdata * eem_adrCP;


	if(alarm.set_cnt==1)      eem_adrCP=(unsigned char xdata *)0x04;
	else if(alarm.set_cnt==2) eem_adrCP=(unsigned char xdata *)0x0C;
	else if(alarm.set_cnt==3) eem_adrCP=(unsigned char xdata *)0x14;
	vCP=(unsigned char xdata *)(&alarm.parameter[alarm.set_cnt-1][0]); 
	for(loopC=0;loopC<8;loopC++){
		wri_eem(*vCP++,eem_adrCP++); 
	}    
}

//从EEPROM中读出报警参数 
void read_alarm_eem(void)
{
	unsigned char xdata lenC;
	unsigned char xdata loopC;
	unsigned char xdata * eem_adrCP;
        
	eem_adrCP=(unsigned char xdata *)0x04;
	for(lenC=0;lenC<3;lenC++){
		for(loopC=0;loopC<4;loopC++){
			alarm.parameter[lenC][loopC]=(unsigned int)(read_eemC(eem_adrCP++)<<8)
				+(unsigned int)(read_eemC(eem_adrCP++));
		}
	}
}
unsigned char read_eemC(unsigned char xdata *eem_adrCP)
{
	unsigned char back_eaC;

	back_eaC=(unsigned char)EA;
	EA = 0;
	WMCON|=EEMEN_;		//enable eeprom access
	ACC=*eem_adrCP;
	WMCON&=(~EEMEN_);	//disable eeprom access
	return(ACC);
	EA=(bit)back_eaC;
}
void wri_eem(unsigned char datC,unsigned char xdata *eem_adrCP)
{
	unsigned char back_eaC;

	back_eaC=(unsigned char)EA;
	EA = 0;
	WMCON |= EEMEN_;		//enable eeprom access
	WMCON |= EEMWE_;
	*eem_adrCP = datC;
	while((WMCON&WDTRST_)){}
	while(!(WMCON&WDTRST_)){}
	WMCON &= (~EEMWE_);
	WMCON &= (~EEMEN_);		//disable eeprom access
	eem_adrCP++;
	EA=(bit)back_eaC;
}