mirror of
				https://github.com/RGBCube/serenity
				synced 2025-10-31 10:42:45 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			36 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
 | |
|  *
 | |
|  * SPDX-License-Identifier: BSD-2-Clause
 | |
|  */
 | |
| 
 | |
| #pragma once
 | |
| 
 | |
| #include <AK/NonnullRefPtr.h>
 | |
| #include <Kernel/RTC.h>
 | |
| #include <Kernel/Time/HardwareTimer.h>
 | |
| 
 | |
| namespace Kernel {
 | |
| class RealTimeClock final : public HardwareTimer<IRQHandler> {
 | |
| public:
 | |
|     static NonnullRefPtr<RealTimeClock> create(Function<void(const RegisterState&)> callback);
 | |
|     virtual HardwareTimerType timer_type() const override { return HardwareTimerType::RTC; }
 | |
|     virtual StringView model() const override { return "Real Time Clock"sv; }
 | |
|     virtual size_t ticks_per_second() const override;
 | |
| 
 | |
|     virtual bool is_periodic() const override { return true; }
 | |
|     virtual bool is_periodic_capable() const override { return true; }
 | |
|     virtual void set_periodic() override { }
 | |
|     virtual void set_non_periodic() override { }
 | |
|     virtual void disable() override { }
 | |
| 
 | |
|     virtual void reset_to_default_ticks_per_second() override;
 | |
|     virtual bool try_to_set_frequency(size_t frequency) override;
 | |
|     virtual bool is_capable_of_frequency(size_t frequency) const override;
 | |
|     virtual size_t calculate_nearest_possible_frequency(size_t frequency) const override;
 | |
| 
 | |
| private:
 | |
|     explicit RealTimeClock(Function<void(const RegisterState&)> callback);
 | |
|     virtual bool handle_irq(const RegisterState&) override;
 | |
| };
 | |
| }
 | 
