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/*
* FilamentSensor.h
*
* Created on: 20 Jul 2017
* Author: David
*/
#ifndef SRC_FILAMENTSENSORS_FILAMENTMONITOR_H_
#define SRC_FILAMENTSENSORS_FILAMENTMONITOR_H_
#include "RepRapFirmware.h"
#include "MessageType.h"
enum class FilamentSensorStatus : uint8_t
{
ok,
noFilament,
tooLittleMovement,
tooMuchMovement,
sensorError
};
class FilamentMonitor
{
public:
// Configure this sensor, returning true if error and setting 'seen' if we processed any configuration parameters
virtual bool Configure(GCodeBuffer& gb, StringRef& reply, bool& seen) = 0;
// Call the following at intervals to check the status. This is only called when extrusion is in progress or imminent.
// 'filamentConsumed' is the net amount of extrusion since the last call to this function.
virtual FilamentSensorStatus Check(bool full, bool hadNonPrintingMove, float filamentConsumed) = 0;
// Clear the measurement state - called when we are not printing a file. Return the present/not present status if available.
virtual FilamentSensorStatus Clear(bool full) = 0;
// Print diagnostic info for this sensor
virtual void Diagnostics(MessageType mtype, unsigned int extruder) = 0;
// ISR for when the pin state changes
virtual void Interrupt() = 0;
// Override the virtual destructor if your derived class allocates any dynamic memory
virtual ~FilamentMonitor();
// Return the type of this sensor
int GetType() const { return type; }
// Return an error message corresponding to a status code
static const char *GetErrorMessage(FilamentSensorStatus f);
// Poll the filament sensors
static void Spin(bool full);
// Return the filament sensor associated with a particular extruder
static FilamentMonitor *GetFilamentSensor(unsigned int extruder);
// Set the filament sensor associated with a particular extruder
static bool SetFilamentSensorType(unsigned int extruder, int newSensorType);
// Send diagnostics info
static void Diagnostics(MessageType mtype);
protected:
FilamentMonitor(int t) : type(t), pin(NoPin) { }
bool ConfigurePin(GCodeBuffer& gb, StringRef& reply, uint32_t interruptMode, bool& seen);
int GetEndstopNumber() const { return endstopNumber; }
Pin GetPin() const { return pin; }
private:
// Create a filament sensor returning null if not a valid sensor type
static FilamentMonitor *Create(int type);
static void InterruptEntry(CallbackParameter param);
static FilamentMonitor *filamentSensors[MaxExtruders];
int type;
int endstopNumber;
Pin pin;
};
#endif /* SRC_FILAMENTSENSORS_FILAMENTMONITOR_H_ */
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