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40 lines
460 B
40 lines
460 B
#ifndef _PID_H
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#define _PID_H
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void PID_Init(void);
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void PID_Calc(void);
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typedef struct Pid
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{
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float set_tem;//用户设定值
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float now_tem;//当前温度
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float Kp;
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int t; //PID计算周期--采样周期
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float Ti;
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float Td;
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float Ek; //本次偏差
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float Ek_1;//上次偏差
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float SEk; //历史偏差之和
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float Iout;
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float Pout;
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float Dout;
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float OUT0;
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float OUT;
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int C1ms;
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int pwmcycle;//pwm周期
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int times;
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}PID;
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extern PID pid;
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#endif
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