RASCSI/cpp/hal/gpiobus_factory.cpp

//---------------------------------------------------------------------------
//
//	SCSI Target Emulator PiSCSI
//	for Raspberry Pi
//
//	Copyright (C) 2022 akuker
//	[ GPIO bus factory ]
//
//---------------------------------------------------------------------------

#include <memory>

#include "hal/gpiobus_bananam2p.h"
#include "hal/gpiobus_factory.h"
#include "hal/gpiobus_raspberry.h"
#include "hal/gpiobus_virtual.h"
#include "hal/sbc_version.h"
#include "shared/log.h"

using namespace std;

unique_ptr<BUS> GPIOBUS_Factory::Create(BUS::mode_e mode)
{
    // TODO Make the factory a friend of GPIOBUS and make the GPIOBUS constructor private
    // so that clients cannot use it anymore but have to use the factory.
    // Also make Init() private.
    unique_ptr<BUS> return_ptr;
    SBC_Version::Init();
    if (SBC_Version::IsBananaPi()) {
        LOGTRACE("Creating GPIOBUS_BananaM2p")
        return_ptr = make_unique<GPIOBUS_BananaM2p>();
    } else if (SBC_Version::IsRaspberryPi()) {
        LOGTRACE("Creating GPIOBUS_Raspberry")
        return_ptr = make_unique<GPIOBUS_Raspberry>();
    } else {
        LOGINFO("Creating Virtual GPIOBUS")
        return_ptr = make_unique<GPIOBUS_Virtual>();
    }
    if (!return_ptr->Init(mode)) {
        return nullptr;
    }
    return_ptr->Reset();
    return return_ptr;
}