/*

 * Copyright 2013-2022 Step Function I/O, LLC

 *

 * Licensed to Green Energy Corp (www.greenenergycorp.com) and Step Function I/O

 * LLC (https://stepfunc.io) under one or more contributor license agreements.

 * See the NOTICE file distributed with this work for additional information

 * regarding copyright ownership. Green Energy Corp and Step Function I/O LLC license

 * this file to you under the Apache License, Version 2.0 (the "License"); you

 * may not use this file except in compliance with the License. You may obtain

 * a copy of the License at:

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include "AppControlField.h"

namespace opendnp3

{

const AppControlField AppControlField::DEFAULT(true, true, false, false, 0);

AppControlField::AppControlField(uint8_t byte)

    : FIR((byte & FIR_MASK) != 0),

      FIN((byte & FIN_MASK) != 0),

      CON((byte & CON_MASK) != 0),

      UNS((byte & UNS_MASK) != 0),

      SEQ(byte & SEQ_MASK)

{

}

AppControlField AppControlField::Request(uint8_t seq)

{

    return AppControlField(true, true, false, false, seq);

}

AppControlField::AppControlField(bool fir, bool fin, bool con, bool uns, uint8_t seq)

    : FIR(fir), FIN(fin), CON(con), UNS(uns), SEQ(seq)

{

}

uint8_t AppControlField::ToByte() const

{

    uint8_t ret = 0;

    if (FIR)

    {

        ret |= FIR_MASK;

    }

    if (FIN)

    {

        ret |= FIN_MASK;

    }

    if (CON)

    {

        ret |= CON_MASK;

    }

    if (UNS)

    {

        ret |= UNS_MASK;

    }

    uint8_t seq = SEQ % 16;

    return ret | seq;

}

} // namespace opendnp3