lcddisplay.c

At89s52单片机与max197的AD程序

#include "main.h"
#include "lcd.h"
/*
LCDInitial LCD初始化程序：
	初始化LCD并显示欢迎屏。
*/

void DISPInitial()
{
	unsigned int i;
	unsigned char j;
	
	WriteLCD_Command(0x30);	  //功能设置---8BIT控制界面，基本指令集
	WriteLCD_Command(0x0C);	  //显示打开，光标关，反白显示关
	WriteLCD_Command(0x01);	  //清除屏幕显示，将DDRAM的地址计数器归零

	WriteLCD(0x80,0,"※Welcome To※    模数转换器        电子科技大学");
	  	
	for(i=0;i<50000;i++)
		for(j=0;j<10;j++); 			  //延时两秒
	 
	WriteLCD_Command(0x0C);			//关闭游标的闪烁
	WriteLCD_Command(0x01);	       //清除屏幕显示，将DDRAM的地址计数器归零
	WriteLCD(0x80,0,"请稍等......");
	WriteLCD_CharNumber(0x95,0x01);
	  for(i=0;i<10000;i++)
		for(j=0;j<1;j++); 
	WriteLCD_CharNumber(0x9A,0x01);
	  for(i=0;i<10000;i++)
		for(j=0;j<1;j++); 
	WriteLCD_CharNumber(0x92,0x01);
	 for(i=0;i<10000;i++)
		for(j=0;j<1;j++); 
	WriteLCD_CharNumber(0x9D,0x01);
	for(i=0;i<40000;i++)
		for(j=0;j<2;j++); 	//延时两秒		 
	WriteLCD_Command(0x0C);			   			//关闭游标的闪烁
	WriteLCD_Command(0x01);	  //清除屏幕显示，将DDRAM的地址计数器归零
	WriteLCD(0x80,0,"    A/D 变换");
    WriteLCD(0x90,0,"使用器件(Max197)");
	WriteLCD(0x88,0,"电压:          V");
}

void DisplayLCD()
{	
    unsigned int i;
    unsigned char j;
	
    WriteLCD_FloatNumber(0x8C,(unsigned int )(Volatge_AD*10000));
	//WriteLCD_FloatNumber(0x8C,(unsigned int )(2.0154*10000));
	//WriteLCD_FloatNumber(0x8C,7143);
	
	for(i=0;i<5000;i++)
	  for(j=0;j<2;j++);
							  
}