RASCSI/cpp/hal/systimer.cpp

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//---------------------------------------------------------------------------
//
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
//
// Powered by XM6 TypeG Technology.
// Copyright (C) 2016-2020 GIMONS
// Copyright (C) 2022 akuker
//
// [ High resolution timer ]
//
//---------------------------------------------------------------------------
#include "hal/systimer.h"
#include "hal/systimer_allwinner.h"
#include "hal/systimer_raspberry.h"
#include <sys/mman.h>
#include "hal/gpiobus.h"
#include "hal/sbc_version.h"
#include "shared/log.h"
bool SysTimer::initialized = false;
bool SysTimer::is_allwinnner = false;
bool SysTimer::is_raspberry = false;
std::unique_ptr<PlatformSpecificTimer> SysTimer::systimer_ptr;
void SysTimer::Init()
{
LOGTRACE("%s", __PRETTY_FUNCTION__)
if (!initialized) {
if (SBC_Version::IsRaspberryPi()) {
systimer_ptr = make_unique<SysTimer_Raspberry>();
is_raspberry = true;
} else if (SBC_Version::IsBananaPi()) {
systimer_ptr = make_unique<SysTimer_AllWinner>();
is_allwinnner = true;
}
systimer_ptr->Init();
initialized = true;
}
}
// Get system timer low byte
uint32_t SysTimer::GetTimerLow()
{
return systimer_ptr->GetTimerLow();
}
// Get system timer high byte
uint32_t SysTimer::GetTimerHigh()
{
return systimer_ptr->GetTimerHigh();
}
// Sleep for N nanoseconds
void SysTimer::SleepNsec(uint32_t nsec)
{
systimer_ptr->SleepNsec(nsec);
}
// Sleep for N microseconds
void SysTimer::SleepUsec(uint32_t usec)
{
systimer_ptr->SleepUsec(usec);
}