#include
#define?GPIO_DIG?P0
sbit?PWM=P1^0;
int?e=0e1=1e2=0;
float?uk=0uk1=0.0duk=0.0;
float?kp=5ki=1.5kd=0.9;
int?out=0;
sbit?IN2=P1^1;
unsigned?int?valuetimer1;
unsigned?int?num=1000;			
unsigned?int?Inlpuse=0num=0;
unsigned?int?tempcount1temp1;
unsigned?int?time=0;
sbit?zhongduan=P3^2;
sbit?LSA=P2^2;
sbit?LSB=P2^3;
sbit?LSC=P2^4;
unsigned?char?code?DIG_CODE[17]={0x3f0x060x5b0x4f0x660x6d0x7d0x07
					0x7f0x6f0x770x7c0x390x5e0x790x71};//顯示0~F的值
unsigned?char?DisplayData[8];
void?DigDisplay（void）;
void?PIDControl（）
{
e=temp-num;
duk=kp*（e-e1）+ki*e+kd*（e-2*e1+e2）;
uk=uk1+duk;
out=（int）uk;
if（out>250）
{
out=100;
}
else?if（out<0）
{
?out=0;
?}
?uk1=uk;
?e2=e1;
?e1=e;
?value=out;
?}
?void?DigDisplay（void）
?{
??unsigned?char?i;
??unsigned?int?j;
??DisplayData[7]=DIG_CODE[num%10000/1000];
??DisplayData[6]=DIG_CODE[num%1000/100];
??DisplayData[5]=DIG_CODE[num%100/10];
??DisplayData[4]=DIG_CODE[num%10/1];
??DisplayData[3]=DIG_CODE[temp%10000/1000];
??DisplayData[2]=DIG_CODE[temp%1000/100];
??DisplayData[1]=DIG_CODE[temp%100/10];
??DisplayData[0]=DIG_CODE[temp%10/1];
	for（i=0;i<8;i++）