CLK/Machines/Electron/SoundGenerator.hpp

//
//  SoundGenerator.hpp
//  Clock Signal
//
//  Created by Thomas Harte on 03/12/2016.
//  Copyright 2016 Thomas Harte. All rights reserved.
//

#ifndef Electron_SoundGenerator_hpp
#define Electron_SoundGenerator_hpp

#include "../../Outputs/Speaker/Implementation/SampleSource.hpp"
#include "../../Concurrency/AsyncTaskQueue.hpp"

namespace Electron {

class SoundGenerator: public ::Outputs::Speaker::SampleSource {
	public:
		SoundGenerator(Concurrency::DeferringAsyncTaskQueue &audio_queue);

		void set_divider(uint8_t divider);

		void set_is_enabled(bool is_enabled);

		static constexpr unsigned int clock_rate_divider = 8;

		// To satisfy ::SampleSource.
		void get_samples(std::size_t number_of_samples, int16_t *target);
		void skip_samples(std::size_t number_of_samples);
		void set_sample_volume_range(std::int16_t range);
		static constexpr bool get_is_stereo() { return false; }

	private:
		Concurrency::DeferringAsyncTaskQueue &audio_queue_;
		unsigned int counter_ = 0;
		unsigned int divider_ = 0;
		bool is_enabled_ = false;
		unsigned int volume_ = 0;
};

}

#endif /* Speaker_hpp */