EM78P468 NTC lcd测温设计C语言源代码_义隆单片机

EM78P468 NTC lcd测温设计C语言源代码

点击数：7709 次录入时间：03-04 12:00:35 整理：http://www.55dianzi.com 义隆单片机

            {
                key_state = 0;
            }
        }
        else if (key_state == 5)
        {
            key_state++;
            KeyDo(new_key);
        }
        else if (key_state == 6)
        {
            key_temp = KeyScan();
            if (key_temp == 0x1f)
            {
                key_state ++;
            }
            else if (key_temp == DECREASE || key_temp == INCREASE)
            {
                if (key_tcc >= 10)
                {
                    key_tcc = 5;
                    KeyDo(key_temp);
                }
                else
                {
                    key_tcc++;
                }
            }
        }
        else if (key_state < 10)
        {
            if (KeyScan() == 0x1f)
            {
                key_state ++;
            }
            else
            {
                key_state = 6;
            }
        }
        else if (key_state == 10)
        {
            key_state = 0;
            key_tcc = 0;

        }
     if(mode_on_off)
     {
     times++;
     timer1++;
     //rst_tim++;
     }

// Write your code (inline assembly or C) here

   //restore C system
_asm
    {
    BS 0X4,6
    BS 0X4,7
MOV A,0X3C+1 // USE 1 BYTE C TYPE,C SYSTEM RESTORE
MOV 0X10,A
MOV A,0X3B+1
MOV 0X14,A
MOV A,0X3A+1
MOV 0X18,A
MOV A,0X39+1
MOV 0X1B,A
MOV A,0X38+1
MOV 0X1C,A
    }

//restore R4
_asm
   {
     SWAPA 0x1F
     MOV 0X04,A
   }

}

void main()
{
uchar temp1,temp2;
uchar i,j;
uchar *r;
     uchar b;
     uchar c;
     uchar stst;
     uchar *w;
     uchar x;
     uchar y;
       DISI();
    tms(10);
    sys_init();
    //lcd_init(0xf7);
       r_buf[0]=0;
       r_buf[1]=0;

     r=r_buf; //读参数
     b=0x00;
     c=2;

     w=w_buf; //写参数
     x=0x00;
     y=2;

     //w_buf[0]=0x81;
     //w_buf[1]=0x19;
     // wt24c(w,x,y); //出厂写EEPROM

     rd24c(r,b,c); //初始读EEPROM
     fan_st=r_buf[0];
     set_temper=r_buf[1];
     temp1=test_temperature();
for(i=0;i<32;i++)// 清屏
{
LCD_ADDR=i;
LCD_DB=0;
}
for(dly=0x1fff;dly;dly--)
{
WDTC();
}
//LED=1;
ENI();
while(1)
{
     //key_find();
   while(timer_2ms_ok)
   {
   timer_2ms_ok=0;
   if(mode_on_off==1)
    {
     lcd_init(0xf7);
     if(key_flag)
     {
     LED=1;
     if(timer1>=200)
      {
      timer1=0;
      LED=0;
      if((r_buf[0]!=fan_st)||(r_buf[1]!=set_temper))
      {
      r_buf[0]=fan_st;
      r_buf[1]=set_temper;
      w_buf[0]=fan_st;
      w_buf[1]=set_temper;
      wt24c(w,x,y); //写
      }
      key_flag=0;
         }
      }
        if(times>=250)
         {
          temp1=test_temperature();
       times=0;
      }
       temp2=Bin1toBcd(set_temper);
    display(temp1,fan_st,temp2);
    PORT6=fan_st&0xe0;
    stst=fan_st&0x01;
    if(stst==0x01)
    {
       COOL=1;
       HOT=0;
       tms(1);