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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 "Hardware/IoPorts.h"
#include "MessageType.h"
#include "GCodes/GCodeResult.h"
#include "RTOSIface/RTOSIface.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, const 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 isPrinting, bool fromIsr, uint32_t isrMillis, 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() = 0;
// Print diagnostic info for this sensor
virtual void Diagnostics(MessageType mtype, unsigned int extruder) = 0;
// ISR for when the pin state changes. It should return true if the ISR wants the commanded extrusion to be fetched.
virtual bool Interrupt() = 0;
// Call this to disable the interrupt before deleting a filament monitor
virtual void Disable();
// Override the virtual destructor if your derived class allocates any dynamic memory
virtual ~FilamentMonitor();
// Return the type of this sensor
unsigned int GetType() const { return type; }
// Static initialisation
static void InitStatic();
// Return an error message corresponding to a status code
static const char *GetErrorMessage(FilamentSensorStatus f);
// Poll the filament sensors
static void Spin();
// Handle M591
static GCodeResult Configure(GCodeBuffer& gb, const StringRef& reply, unsigned int extruder)
pre(extruder < MaxExtruders);
// Send diagnostics info
static void Diagnostics(MessageType mtype);
protected:
FilamentMonitor(unsigned int extruder, unsigned int t) : extruderNumber(extruder), type(t) { }
bool ConfigurePin(GCodeBuffer& gb, const StringRef& reply, InterruptMode interruptMode, bool& seen);
const IoPort& GetPort() const { return port; }
bool HaveIsrStepsCommanded() const { return haveIsrStepsCommanded; }
private:
// Create a filament sensor returning null if not a valid sensor type
static FilamentMonitor *Create(unsigned int extruder, unsigned int type);
static void InterruptEntry(CallbackParameter param);
static Mutex filamentSensorsMutex;
static FilamentMonitor *filamentSensors[MaxExtruders];
int32_t isrExtruderStepsCommanded;
uint32_t isrMillis;
unsigned int extruderNumber;
unsigned int type;
IoPort port;
bool isrWasPrinting;
bool haveIsrStepsCommanded;
};
#endif /* SRC_FILAMENTSENSORS_FILAMENTMONITOR_H_ */
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