ex6-4.c

本压缩文件主要介绍温度传感芯片的应用

        }
    if (down_button==0) {
                delay();
                if (down_button==0) return(3);
        }
           return(15);
}
//
void main (void)  {
        char keys;

        txOK=1;
		max=99;
        mode=0;
        operation=0;
        init_LCD();
        clear_LCD();
        gotoxy(2,0);
        display_LCD_string("20");
        display=now;
        display_time();
        tmpday=today;
        display_date();
        EA=1;
        com_initialize();
        timer0_initialize();
        IT0=1;
        EX0=1;
        adc_wr=0;                       
        temp_wr=0;
        adc_wr=1;                       
        do {
             keys=gotkey();
             switch(keys) {
                case 0 :
                    mode++;
                    if(mode==8) mode=0;
							if(mode==7)
				              {
					 clear_LCD();

					 gotoxy(2,0);
                 display_LCD_string("20");
                  display=now;
                 display_time();
                tmpday=today;
                  display_date();
					}
					if(mode==2)
				 {
					 clear_LCD();
					 gotoxy(2,2);
					 display_LCD_string("Send data");
					}
					if(mode==3)
					{
					
					 clear_LCD();
					 gotoxy(2,2);
					 display_LCD_string("Get data");
					}
					
					//*************************************************
					if(mode==4)
                   {
				          clear_LCD();
						  gotoxy(2,0);
						  display_LCD_string("T:");
                             gotoxy(2,2);
						  display_LCD_string("min:");
						    gotoxy(2,10);
                           display_LCD_string("max:");
				   }
				   //*****************************************
				    if(mode==6)
						   {  
						        clear_LCD();
						        gotoxy(2,0);
				               display_LCD_string("SET heatfast: ");
						     }
							 //*****************************
                    gotoxy(1,12);
                    write_LCD_data(int2char[mode]);
                    if(mode==1) {
                            display=now;
                            tmpday=today;
                    }
                    if(mode==2) {
                            now=display;
                            today=tmpday;
                    }
                    break;
                case 1 :
                    if(mode==0) break;
                    if(mode==1) {
                         operation++;
                            if(operation==5) operation=0;
                        }
//****************************************
                        if(mode==2) {
                          send_count=1;
                          SBUF=read_byte(0)+32;// 传送数据
						  for(ii=11;ii<16;ii++)
						  {
						  gotoxy(2,ii);
						      display_LCD_string(".");
							  delay(); 
					    	  delay(); 
							  delay(); 
							  }

                        }
                        if(mode==3) {
                            write_byte(0,0);
                            write_byte(0,0);
                            write_byte(1,6);
                            write_byte(2,today.year);
                                write_byte(3,today.month);
                                write_byte(4,today.day);
                                write_byte(5,now.hour);
                                AT93C66_add=6;
                                adc_wr=0;
                                temp_wr=1;
                                adc_wr=1;
								for(ii=9;ii<16;ii++)
						  {
						  gotoxy(2,ii);
						      display_LCD_string(".");
							  delay(); 
					    	  delay(); 
							  delay(); 
							  }
                        }
		 //***************************************
						if(mode==4)   //设置最小温度

						{           
						     min++;
							 if(min==100)  min=0;
							 t=min;
							    gotoxy(2,6);
								t1=t/10;
								 write_LCD_data(int2char[t1]);
								 t1=t%10;
								  write_LCD_data(int2char[t1]);  
						}
			   //****************************************
			   		if(mode==5)  //调置最大温度

						{   
        
						     max++;
							 if(max==100)  max=0;
							 tt=max;
							    gotoxy(2,14);
								tt1=tt/10;
								 write_LCD_data(int2char[tt1]);
								 tt1=tt%10;
								  write_LCD_data(int2char[tt1]);  
						}
			   //****************************************
			   if(mode==6)     //设置加热速度
			   { 
			     
                 
				   heatfast++;
				   if(heatfast==3) heatfast=0;
				   gotoxy(2,14);
                   write_LCD_data(int2char[heatfast]);  
				   			             }
                        gotoxy(1,14);
                        write_LCD_data(int2char[operation]);
						break;
                 case 2 :
                         if(mode!=1) break;
                         switch(operation) {
                            case 0 : display.hour++;
                                     if(display.hour>=24)
                                        display.hour=0;
                                     gotoxy(1,0);
                                     display_LCD_number
                                       (display.hour);
                                        break;
                            case 1 : display.minute++;
                                     if(display.minute>=60) 
                                        display.minute=0;
                                     gotoxy(1,3);
                                     display_LCD_number
                                       (display.minute);
                                        break;
                            case 2 : tmpday.year++;
                                     if(tmpday.year>=100) 
                                        tmpday.year=0;
                                     display_date();
                                     break;
                            case 3 : tmpday.month++;
                                     if(tmpday.month>12) tmpday.
                                     month=1;
                                     display_date();
                                     break;
                            case 4 : tmpday.day++;
                                     if(tmpday.day>monthday
                                     (tmpday.year,
                                      tmpday.month)) 
                                      tmpday.day=1;
                                     display_date();
                                     break;
                                     }
                                     break;
                   case 3 :
                        if(mode!=1) break;
                        switch(operation) {
                      case 0 : display.hour--;
                           if(display.hour<0) display.hour=23;
                           gotoxy(1,0);
                           display_LCD_number(display.hour);
                           break;
                      case 1 : display.minute--;
                               if(display.minute<0) 
                                  display.minute=59;
                                  gotoxy(1,3);
                                  display_LCD_number
                                  (display.minute);
                               break;
                      case 2 : tmpday.year--;
                           if(tmpday.year<0) tmpday.year=99;
                           display_date();
                           break;
                      case 3 : tmpday.month--;
                           if(tmpday.month<1) tmpday.month=12;
                           display_date();
                           break;
                      case 4 : tmpday.day--;
                           if(tmpday.day<1)
                           tmpday.day=monthday
                           (tmpday.year,tmpday.month);
                           display_date();
                           break;
                 }
         }
   } while(1);
}