main.bak

C51单片机一个小项目源程序:包含液晶12232驱动,AD7705驱动,按键扫描及单片机内部EEPROM的驱动,是一个比较值得参考的源程序

#include "mylib.h"
extern uchar KEY_NO;
extern uint  k;
extern uchar data MENU_NO;
extern uchar data MENU_MENU1_NO;
extern uchar data MENU_MENU2_NO;
uint AD_getvalue[11];
uchar i,count,serio_data;
uint  j,ReaddataChx;
uint Turnaround_Corner_0,Turnaround_Corner_360;
uint Turnaround_Power_0,Turnaround_Power_200;
extern uchar Turnaround_CornerORPower_Value2[4];
extern uint Ch1k,Ch2k;
extern float Nt;
extern uchar Turnaround_CornerValue1[4];
extern uchar Turnaround_Power_Value2[4]; 
sbit PowerTest = P3^3;
uint  k;
uchar Data_H,Data_L;
void main(void)
{
   Wait7705(30000);
   PowerTest=1;
   delay();	
   init_serial();
   lcd_init();
   lcd_clr();
   SetSerio=1;
   AD7705_reset();
   delay();
   INI7705();

   Data_L=byte_read(0x8001);
   Data_H=byte_read(0x8000);
   Turnaround_Power_0=Data_H*256+Data_L;

   Data_H=byte_read(0x8002);
   Data_L=byte_read(0x8003);
   Turnaround_Power_200=Data_H*256+Data_L; 

   Data_H=byte_read(0x8400);
   Data_L=byte_read(0x8401);
   Turnaround_Corner_0=Data_H*256+Data_L;

   Data_H=byte_read(0x8402);
   Data_L=byte_read(0x8403);
   Turnaround_Corner_360=Data_H*256+Data_L;
   delay();
   dprintf(12,0,"转向盘检测仪",0);
   if(PowerTest==0)
   {
		dprintf(6,1,"电压状态:欠压",0);
   }
   if(PowerTest==1)
   {
		dprintf(6,1,"电压状态:正常",0);
   }
   for(i=0;i<100;i++)
      for(j=0;j<600;j++); 
   SetSerio=1;
   k=0;
   MENU_MENU2_NO=1;
   test_menu();
   WDT_CONTR=0x3f;
   while(1)
   {
         //CH1_init();
         //Ch1k=filter(1);
		 //display_num(1,76,1,1,1,Ch1k);        
		 key();
		 RTDkey();
		 WDT_CONTR=0x3f; 
   }
}

void serio_server() interrupt 4 using 0
{
   //EA=0;
   
   if(RI)
   {
      RI=0;
      serio_data=SBUF; 
	  if(serio_data==0xee)
      {
			 send_char(0xaa);
			 send_string_com1(Turnaround_CornerValue1,2);
			 send_char(0xbb);
			 send_string_com1(Turnaround_CornerValue1+2,2);
			 send_char(0xcc);
			 send_string_com1(Turnaround_Power_Value2,2);
			 send_char(0xdd);
			 send_string_com1(Turnaround_Power_Value2+2,2);
			 delay();
			 //SP=0x07;
			 serio_data=0;
       }	
	}
}

/*
void int1(void) interrupt 2 using 1
{
    EX1=0;
	voltage=0xcc;
} */
/*
AD7705每次取数5次，并将所取得数放入XDATA中，然后进行比较找出最大值。
*/
uint filter(bit mode)
{
   uint i=0,max;
   for ( count=0;count<10;count++)
   {
	  AD_getvalue[count]=ReadDataCh1_Ch2(mode);
      delay();
	}
   max=AD_getvalue[0];
   for(i=1;i<10;i++)
   {
       if(AD_getvalue[i]>max)
	   {
	       max=AD_getvalue[i];
	   }
   ReaddataChx=max;
   }
   return (ReaddataChx);
}