void xianshi_qumo() //显示取模
{
int qumo_a1;
if((wendu_a2 <-20)||(wendu_a2 >120)) //没插温度传感(显示---)
{
xs_a1 =biao[17];
xs_a2 =biao[17];
xs_a3 =biao[17];
return;
}
if(wendu_a2 <0) //零度以下
{
qumo_a1 =wendu_a2; //负数变正数(取反加1)
qumo_a1 =~qumo_a1; //取反
qumo_a1 +=1; //加1
xs_a1 =biao[17]; //-负号零下
xs_a2 =biao[qumo_a1/10];
xs_a3 =biao[qumo_a1%10];
return;
}
if(wendu_a2 <100) //100以下(00.0)
{
qumo_a1 =wendu_a2;
xs_a1 =biao[qumo_a1/10];
xs_a2 =biao[qumo_a1%10];
xs_a2 |=0B10000000; //小数点点亮
xs_a3 =biao[wendu_a3];
return;
}
if(wendu_a2 <201) //200以下
{
qumo_a1 =wendu_a2;
xs_a1 =biao[qumo_a1/100];
xs_a2 =biao[(qumo_a1%100)/10];
xs_a3 =biao[(qumo_a1%100)%10];
return;
}
/*if(wendu_a2 >200) //传感器短路(显示---)
{
xs_a1 =biao1[0];
xs_a2 =biao1[0];
xs_a3 =biao1[0];
return;
}*/
}
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