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79 lines
1.2 KiB
79 lines
1.2 KiB
#ifndef _PID_H
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#define _PID_H
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#include "SysTick.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;// User settings
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float now_tem;// current temperature
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float max_compressor_tem; // maximum temperature of the compressor. When the target tem is greater than this value, the compressor is turned off.
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float out_tem; // outer temperature
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float out_humidity; // outer humidity
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// in h mode
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float hp_h;
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float hi_h;
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float hd_h;
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int h_base_h; // base power percent in h mode
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// in l mode
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float hp_l;
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float hi_l;
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float hd_l;
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int h_base_l; // base power percent in l mode
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float hp;
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float hi;
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float hd;
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int h_base;
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int h_percent;
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float cp;
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float ci;
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float cd;
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float c_base;
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int c_speed;
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float Kp; // 110
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float Ki; // 0.001
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float Kd; // 340
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int t; // PID calculation cycle - sampling cycle
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float Ti;
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float Td;
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float Ek; // This deviation
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float Ek_prev;// Last deviation
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float SEk; // The sum of historical deviations
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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 cycle
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int times;
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float tem_offset;
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float tem_threshold;
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}PID;
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extern PID pid;
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#endif
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