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48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
//
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// DiskDrive.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 14/07/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#ifndef DiskDrive_hpp
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#define DiskDrive_hpp
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#include "Disk.hpp"
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#include "DigitalPhaseLockedLoop.hpp"
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namespace Storage {
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class DiskDrive: public DigitalPhaseLockedLoop::Delegate {
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public:
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DiskDrive(unsigned int clock_rate, unsigned int revolutions_per_minute);
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void set_expected_bit_length(Time bit_length);
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void set_disk(std::shared_ptr<Disk> disk);
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bool has_disk();
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void run_for_cycles(unsigned int number_of_cycles);
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bool get_is_track_zero();
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void step(int direction);
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void set_motor_on(bool motor_on);
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// to satisfy DigitalPhaseLockedLoop::Delegate
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void digital_phase_locked_loop_output_bit(int value);
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protected:
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virtual void process_input_bit(int value, unsigned int cycles_since_index_hole) = 0;
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virtual void process_index_hole() = 0;
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private:
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Time _bit_length;
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unsigned int _clock_rate;
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unsigned int _revolutions_per_minute;
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};
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}
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#endif /* DiskDrive_hpp */
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