#nclude<reg51.h>#include<intrins.h>#销nclude<math.h>#include<string.h>struct PID{unsigned int SetPoint;//设定目标 Desired Value unsigned int Proportion;//比例常数Proportional Const unsigned int integral;//积分常数Integral Const unsigned int Derivative://微分常数Derivative Const unsigned int LastError;//Emorl-1]unsigned int PrevError;//Errorl-2]unsigned int SumError;//Sums of Errors struct PID spid;//PID Control Structure unsigned int rout;//PID Response(Output)unsigned int rin://PID Feedback(Input)sbit data1=P100;sbit clk=P141;sbit plus=P240;sbit subs=P241:sbit stop=P22;sbit output=P34;sbit DQ=P33;unsigned char flag,flag_1=0;unsigned char high_time,low_time,.count=0,/占空比调节参数unsigned char set_temper=35;unsigned char temper;unsigned chari:unsigned charj=0;unsigned ints;