mirror of
https://github.com/akuker/RASCSI.git
synced 2024-11-29 16:49:55 +00:00
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
|
//---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// SCSI Target Emulator RaSCSI Reloaded
|
||
|
|
// for Raspberry Pi
|
||
|
|
//
|
||
|
|
// Powered by XM6 TypeG Technology.
|
||
|
|
// Copyright (C) 2016-2020 GIMONS
|
||
|
|
// Copyright (C) 2022 akuker
|
||
|
|
//
|
||
|
|
// [ High resolution timer ]
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "systimer.h"
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
//===========================================================================
|
||
|
|
//
|
||
|
|
// System timer
|
||
|
|
//
|
||
|
|
//===========================================================================
|
||
|
|
class SysTimer_Raspberry : public PlatformSpecificTimer
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// Default constructor
|
||
|
|
SysTimer_Raspberry() = default;
|
||
|
|
// Default destructor
|
||
|
|
~SysTimer_Raspberry() override = default;
|
||
|
|
// Initialization
|
||
|
|
void Init() override;
|
||
|
|
// Get system timer low byte
|
||
|
|
uint32_t GetTimerLow() override;
|
||
|
|
// Get system timer high byte
|
||
|
|
uint32_t GetTimerHigh() override;
|
||
|
|
// Sleep for N nanoseconds
|
||
|
|
void SleepNsec(uint32_t nsec) override;
|
||
|
|
// Sleep for N microseconds
|
||
|
|
void SleepUsec(uint32_t usec) override;
|
||
|
|
|
||
|
|
private:
|
||
|
|
// System timer address
|
||
|
|
static volatile uint32_t *systaddr;
|
||
|
|
// ARM timer address
|
||
|
|
static volatile uint32_t *armtaddr;
|
||
|
|
// Core frequency
|
||
|
|
static volatile uint32_t corefreq;
|
||
|
|
};
|