mirror of https://github.com/akuker/RASCSI.git
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator PiSCSI
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// for Raspberry Pi
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//
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// Powered by XM6 TypeG Technology.
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// Copyright (C) 2016-2020 GIMONS
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// Copyright (C) 2022 akuker
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//
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// [ High resolution timer ]
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//
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//---------------------------------------------------------------------------
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#pragma once
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#include <memory>
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#include <stdint.h>
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#include "shared/scsi.h"
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class PlatformSpecificTimer
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{
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public:
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// Default constructor
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PlatformSpecificTimer() = default;
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// Default destructor
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virtual ~PlatformSpecificTimer() = default;
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// Initialization
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virtual void Init() = 0;
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// Get system timer low byte
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virtual uint32_t GetTimerLow() = 0;
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// Get system timer high byte
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virtual uint32_t GetTimerHigh() = 0;
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// Sleep for N nanoseconds
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virtual void SleepNsec(uint32_t nsec) = 0;
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// Sleep for N microseconds
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virtual void SleepUsec(uint32_t usec) = 0;
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};
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//===========================================================================
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//
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// System timer
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//
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//===========================================================================
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class SysTimer
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{
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public:
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static void Init();
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// Get system timer low byte
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static uint32_t GetTimerLow();
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// Get system timer high byte
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static uint32_t GetTimerHigh();
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// Sleep for N nanoseconds
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static void SleepNsec(uint32_t nsec);
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// Sleep for N microseconds
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static void SleepUsec(uint32_t usec);
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private:
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static bool initialized;
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static bool is_allwinnner;
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static bool is_raspberry;
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static std::unique_ptr<PlatformSpecificTimer> systimer_ptr;
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};
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