src/modules/tools/temperaturecontrol/PID_Autotuner.h

   1 /**
   2  * Based on https://github.com/br3ttb/Arduino-PID-AutoTune-Library
   3  */
   4
   5 #ifndef _PID_AUTOTUNE_H
   6 #define _PID_AUTOTUNE_H
   7
   8 #include <stdint.h>
   9
  10 #include "Module.h"
  11 #include "TemperatureControl.h"
  12 #include "StreamOutput.h"
  13
  14 class PID_Autotuner : public Module
  15 {
  16 public:
  17     PID_Autotuner();
  18     void     begin(TemperatureControl *, double, StreamOutput *, int cycles = 8);
  19     void     abort();
  20
  21     void     on_module_loaded(void);
  22     uint32_t on_tick(uint32_t);
  23     void     on_idle(void *);
  24     void     on_gcode_received(void *);
  25
  26 private:
  27     void finishUp();
  28
  29     TemperatureControl *t;
  30     float target_temperature;
  31     StreamOutput *s;
  32
  33     volatile bool tick;
  34
  35     float *peaks;
  36     int requested_cycles;
  37     float noiseBand;
  38     unsigned long peak1, peak2;
  39     int sampleTime;
  40     int nLookBack;
  41     int lookBackCnt;
  42     int peakType;
  43     float *lastInputs;
  44     int peakCount;
  45     bool justchanged;
  46     float absMax, absMin;
  47     float oStep;
  48     int output;
  49     unsigned long tickCnt;
  50 };
  51
  52 #endif /* _PID_AUTOTUNE_H */