/*
 * Trigger.h
 *
 *  Created on: 6 Jun 2019
 *      Author: David
 */

#ifndef SRC_GCODES_TRIGGER_H_
#define SRC_GCODES_TRIGGER_H_

#include <RepRapFirmware.h>
#include <Hardware/IoPorts.h>

class Trigger
{
public:
	Trigger() noexcept;

	void Init() noexcept;

	// Return true if this trigger is unused, i.e. it doesn't watch any pins
	bool IsUnused() const noexcept;

	// Check whether this trigger is active and update the input states
	bool Check() noexcept;

	// Handle M581 for this trigger
	GCodeResult Configure(unsigned int number, GCodeBuffer& gb, const StringRef& reply) THROWS(GCodeException);

	// Handle M582 for this trigger
	bool CheckLevel() noexcept;

private:
	static void AppendInputNames(AxesBitmap endstops, InputPortsBitmap inputs, const StringRef& reply) noexcept;

	AxesBitmap highLevelEndstops, lowLevelEndstops, endstopStates;
	InputPortsBitmap highLevelInputs, lowLevelInputs, inputStates;
	int8_t condition;
};

#endif /* SRC_GCODES_TRIGGER_H_ */