main.c

proteus实例集锦

/*基于DS1302和LCD1602的万年历*/
/*具有光标显示，按键调时功能*/
/*作者：田开坤*/
/*key0：模式选择*/
/*key1：减操作*/
/*key2：加操作*/
/*key0：返回*/
/*2007.04.09*/
#include "STC89C51RC.H"
#include "LCD1602.h"
#include "DS1302.h"
#include <absacc.h>

#define UP 0xff
#define DOWN 0x0

sbit  key3 = P3^5;
sbit  key2 = P3^4;//Up
sbit  key1 = P3^3;//Down
sbit  key0 = P3^2;//Modle

//1302调时函数
void data_change(uchar data_name,uchar up_down,uchar max,uchar n)
{
	uchar tmp;
	uchar tmp1;
	
	tmp1 = Read1302(data_name);
	tmp = ((tmp1>>4)&0x0f)*10 + (tmp1 & 0x0f);

	if (up_down){
		if(tmp < max){
			tmp+=n;
			tmp1=(((tmp/10)<<4) | (tmp%10));
			Write1302(data_name,tmp1);						
		}
	}
	else{
		if(tmp >= n){
			tmp-=n;
			tmp1=(((tmp/10)<<4) | (tmp%10));
			Write1302(data_name,tmp1);
		}
	}
}

main()
{
	uint loop_count=0;	
	uint key0_count=0;
	uint key1_count=0;
	uint key2_count=0;
	uchar modle_flag=0;
	uchar cursor_line=2;	
	uchar cursor_conumn=10;	
	uchar nset_time=1;

	SYSTEMTIME CurrentTime;

	LCD_Init();
	Initial_DS1302();

	LCD_W_Data(1,1,16,"                ");
	LCD_W_Data(2,1,16,"                ");

	LCD_W_Data(1,1,5,"Date:");
	LCD_W_Data(2,1,5,"Time:");

	while(1){		
		if(loop_count++>10000){
			DS1302_GetTime(&CurrentTime);	
			DateToStr(&CurrentTime);
			TimeToStr(&CurrentTime);

			LCD_CURSOR_ONOFF(1);//关闭光标

			LCD_W_Data(1,6,8,CurrentTime.DateString);
			LCD_W_Data(2,6,8,CurrentTime.TimeString);
			
			loop_count = 0;
			
			if(nset_time) LCD_CURSOR_ONOFF(1);
			else{
		 		LCD_CURSOR_ONOFF(2);//显示光标
				LCD_SET_CURSOR(cursor_line,cursor_conumn);
			}
		}

		if(key0==0)	{  
			if(key0_count++>25000)	{
				nset_time = 0;
				modle_flag++;
				switch(modle_flag) {
					case 1:
						cursor_line = 2;
						cursor_conumn = 10;
						break;
					
					case 2:
						cursor_line = 2;
						cursor_conumn = 9;					
						break;
					case 3:
						cursor_line = 2;
						cursor_conumn = 7;
						break;
					
					case 4:
						cursor_line = 2;
						cursor_conumn = 6;					
						break;
					case 5:
						cursor_line = 1;
						cursor_conumn = 13;
						break;
					
					case 6:
						cursor_line = 1;
						cursor_conumn = 12;					
						break;
					case 7:
						cursor_line = 1;
						cursor_conumn = 10;
						break;
					
					case 8:
						cursor_line = 1;
						cursor_conumn = 9;					
						break;
	
					case 9:
						cursor_line = 1;
						cursor_conumn = 7;
						break;
					
					case 10:
						cursor_line = 1;
						cursor_conumn = 6;					
						break;
	
					default: 
						modle_flag=0;
						nset_time = 1;
						break;			
				}
				key0_count=0;
			}
		}

		if(key1==0)	{
			if(key1_count++>20000){
				switch(modle_flag){
					case 1:
						data_change(DS1302_MINUTE,DOWN,59,1);
						break;											
					case 2:
						data_change(DS1302_MINUTE,DOWN,59,10);
						break;

					case 3:
						data_change(DS1302_HOUR,DOWN,23,1);
						break;
					
					case 4:
						data_change(DS1302_HOUR,DOWN,23,10);
						break;

					case 5:
						data_change(DS1302_DAY,DOWN,30,1);
						break;
											
					case 6:
						data_change(DS1302_DAY,DOWN,30,10);
						break;

					case 7:
						data_change(DS1302_MONTH,DOWN,11,1);
						break;
					
					case 8:
						data_change(DS1302_MONTH,DOWN,11,10);
						break;
	
					case 9:
						data_change(DS1302_YEAR,DOWN,99,1);
						break;
					
					case 10:
						data_change(DS1302_YEAR,DOWN,99,10);
						break;
	
					default: break;			
				}	
				key1_count = 0;	  		
			}
		}
	
		if(key2==0){
			if(key2_count++>20000){
				switch(modle_flag){
					case 1:
						data_change(DS1302_MINUTE,UP,59,1);
						break;											
					case 2:
						data_change(DS1302_MINUTE,UP,59,10);
						break;
	
					case 3:
						data_change(DS1302_HOUR,UP,23,1);
						break;
					
					case 4:
						data_change(DS1302_HOUR,UP,23,10);
						break;
	
					case 5:
						data_change(DS1302_DAY,UP,30,1);
						break;
											
					case 6:
						data_change(DS1302_DAY,UP,30,10);
						break;
	
					case 7:
						data_change(DS1302_MONTH,UP,11,1);
						break;
					
					case 8:
						data_change(DS1302_MONTH,UP,11,10);
						break;
		
					case 9:
						data_change(DS1302_YEAR,UP,99,1);
						break;
					
					case 10:
						data_change(DS1302_YEAR,UP,99,10);
						break;
		
					default: break;			
				}	
				key2_count = 0;		
			}
		}

		if(key3==0){
			nset_time = 1;
			modle_flag = 0;
			}			 	
	}
}