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/*
* Fan.h
*
* Created on: 29 Jun 2016
* Author: David
*/
#ifndef SRC_FAN_H_
#define SRC_FAN_H_
#include "RepRapFirmware.h"
class GCodeBuffer;
class Fan
{
public:
typedef uint32_t HeatersMonitoredBitmap; // needs to be wide enough for 8 real heaters + 10 virtual heaters
// Set or report the parameters for this fan
// If 'mCode' is an M-code used to set parameters for the current kinematics (which should only ever be 106 or 107)
// then search for parameters used to configure the fan. If any are found, perform appropriate actions and return true.
// If errors were discovered while processing parameters, put an appropriate error message in 'reply' and set 'error' to true.
// If no relevant parameters are found, print the existing ones to 'reply' and return false.
bool Configure(unsigned int mcode, int fanNum, GCodeBuffer& gb, const StringRef& reply, bool& error);
bool IsConfigured() const { return isConfigured && IsEnabled(); }
bool IsEnabled() const { return pin != NoPin; }
float GetConfiguredPwm() const { return val; } // returns the configured PWM. Actual PWM may be different, e.g. due to blipping or for thermostatic fans.
void Init(Pin p_pin, bool hwInverted);
void SetPwm(float speed);
bool HasMonitoredHeaters() const { return heatersMonitored != 0; }
void SetHeatersMonitored(HeatersMonitoredBitmap h);
bool Check(); // update the fan PWM returning true if it is a thermostatic fan that is on
void Disable();
bool WriteSettings(FileStore *f, size_t fanNum) const; // save the settings of this fan if it isn't thermostatic
private:
float val;
float lastVal;
float minVal;
float triggerTemperatures[2];
float lastPwm;
uint32_t blipTime; // in milliseconds
uint32_t blipStartTime;
HeatersMonitoredBitmap heatersMonitored;
PwmFrequency freq;
Pin pin;
bool isConfigured;
bool inverted;
bool hardwareInverted;
bool blipping;
void Refresh();
void SetHardwarePwm(float pwmVal);
};
#endif /* SRC_FAN_H_ */
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