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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator RaSCSI Reloaded
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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 <stdint.h>
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#include "shared/config.h"
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#include "shared/scsi.h"
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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(uint32_t *syst, uint32_t *armt);
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// Initialization
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static uint32_t GetTimerLow();
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// Get system timer low byte
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static uint32_t GetTimerHigh();
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// Get system timer high byte
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static void SleepNsec(uint32_t nsec);
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// Sleep for N nanoseconds
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static void SleepUsec(uint32_t usec);
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// Sleep for N microseconds
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private:
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static volatile uint32_t *systaddr;
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// System timer address
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static volatile uint32_t *armtaddr;
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// ARM timer address
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static volatile uint32_t corefreq;
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// Core frequency
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};
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