main.c

用单片机制作电子时钟,lcd1602显示,包括模拟电路图,源码,以及编译过程等

#include "REGX52.H "
#include "LCD1602.h"
#include "DS1302.h"
#include"main.h"				 	 									 	
void main()							           //主函数
{  
	LCD_Initial();		                       //LCD初始化
	Initial_DS1302();	                       //1302初始化	
	station=1;
	TMOD=0x11;
	TH0=th0;
	TL0=tl0;
	TH1=th1;
	TL1=tl1;
	EA =1;
	ET0=1;
	ET1=1;
	TR0=1;
	while(1)
	{   // 显示调整
	 if(lcdflag==1)
	   { 
	     if((station==1||station==2
		 ||station==3)&&(keyflag==3)) 
		   {
			  TR1=0;
			  station=0;
			  resbit=1;
	          LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
			  keyflag=4;
	          lcd_menu();
		 	}
	    if((station==0)&&(keyflag==3)) 
		   { switch(lcdmenu)
			   { case 1: station=1;
						 LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
			      	     break;
				 case 2:station=2;
				        resbit=1;
				 		LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏		        
					    break;
				 case 3:station=3;
				        resbit=1;
					    LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN);//清屏
			            break;
				 default:
				        break;
			    }
			 keyflag=4;
	      }
	    
		 lcdflag=0;	
      }
	 //显示实现
	 switch(station)
	   { case 0:
	            lcd_menu();	  
	            break;
	     case 1:TR1=1;
	            break;
		 case 2:
				alarm_set(); 
	             break;
		 case 3:
		        time_reset();
	            break;
		 default:break;		 
	   }
 
	}
  
 }