path: root/src/MTS_IO_CellularRadio.cpp

/*
 * Copyright (C) 2019 by Multi-Tech Systems
 *
 * This file is part of libmts-io.
 *
 * libmts-io is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * libmts-io is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libmts-io.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "mts/MTS_IO_CellularRadio.h"

#include <unistd.h>

#include <mts/MTS_IO_MccMncTable.h>
#include <mts/MTS_Thread.h>
#include <mts/MTS_Timer.h>
#include <mts/MTS_Logger.h>
#include <mts/MTS_Text.h>

using namespace MTS::IO;

namespace {
    typedef struct
    {
        const char    *name;
        int32_t        low;
        int32_t        high;
    } *pNameRangeMap, nameRangeMap;

    const unsigned int NUM_GSM_BANDS = 7;
    const unsigned int NUM_WCDMA_BANDS = 6;
    const unsigned int NUM_LTE_BANDS = 42;

    // http://niviuk.free.fr/gsm_band.php
    const nameRangeMap GSMband[] =
    {
                {"GSM 450", 259, 293}, {"GSM 480", 306, 340},
                {"GSM 750", 438, 511}, {"GSM 850", 128, 251},
                {"GSM 900 P", 1, 124}, {"GSM 900 E/R", 955, 1023},
                {"GSM DCS 1800/1900", 512, 885},

    };

    // http://niviuk.free.fr/umts_band.php
    const nameRangeMap WCDMAband[] =
    {
                {"BAND I",   10592, 10838}, {"BAND II", 9662, 9938},
                {"BAND III",  1162,  1513}, {"BAND IV", 1537, 1738},
                {"BAND V",    4357,  4458}, {"BAND VI", 4387, 4413}
    };

    // http://niviuk.free.fr/lte_band.php
    const nameRangeMap EULTRAband[] =
    {
                {"EUTRAN BAND1",      0,   599}, {"EUTRAN BAND2",    600,  1199},
                {"EUTRAN BAND3",   1200,  1949}, {"EUTRAN BAND4",   1950,  2399},
                {"EUTRAN BAND5",   2400,  2649}, {"EUTRAN BAND6",   2650,  2749},
                {"EUTRAN BAND7",   2750,  3449}, {"EUTRAN BAND8",   3450,  3799},
                {"EUTRAN BAND9",   3800,  4149}, {"EUTRAN BAND10",  4150,  4749},
                {"EUTRAN BAND11",  4750,  4999}, {"EUTRAN BAND12",  5000,  5179},
                {"EUTRAN BAND13",  5180,  5279}, {"EUTRAN BAND14",  5280,  5379},
                {"EUTRAN BAND17",  5730,  5849}, {"EUTRAN BAND18",  5850,  5999},
                {"EUTRAN BAND19",  6000,  6149}, {"EUTRAN BAND20",  6150,  6449},
                {"EUTRAN BAND21",  6450,  6525}, {"EUTRAN BAND22",  6600,  7399},
                {"EUTRAN BAND23",  7500,  7699}, {"EUTRAN BAND24",  7700,  8039},
                {"EUTRAN BAND25",  8040,  8689}, {"EUTRAN BAND26",  8690,  9039},
                {"EUTRAN BAND27",  9040,  9209}, {"EUTRAN BAND28",  9210,  9659},
                {"EUTRAN BAND29",  9660,  9769}, {"EUTRAN BAND30",  9770,  9869},
                {"EUTRAN BAND31",  9870,  9919}, {"EUTRAN BAND32",  9920, 10359},
                {"EUTRAN BAND33", 36000, 36199}, {"EUTRAN BAND34", 36200, 36349},
                {"EUTRAN BAND35", 36350, 36949}, {"EUTRAN BAND36", 36950, 37549},
                {"EUTRAN BAND37", 37550, 37749}, {"EUTRAN BAND38", 37750, 38249},
                {"EUTRAN BAND39", 38250, 38649}, {"EUTRAN BAND40", 38650, 39649},
                {"EUTRAN BAND41", 39650, 41589}, {"EUTRAN BAND42", 41590, 43589},
                {"EUTRAN BAND43", 43590, 45589}, {"EUTRAN BAND44", 45590, 46589}
    };
}

CellularRadio::CellularRadio(const std::string& sName, const std::string& sRadioPort)
: m_sName(sName)
, m_sRadioPort(sRadioPort)
, m_bEchoEnabled(false)
, m_bEnableEchoOnClose(false)
{
    m_apIo.reset(new MTS::IO::SerialConnection(
                             MTS::IO::SerialConnection::Builder(m_sRadioPort)
                                .baudRate(115200)
                                .useLockFile()
                                .build()));
}


CellularRadio::~CellularRadio() {
    shutdown();
    m_apIo.reset();
}

bool CellularRadio::initialize(uint32_t iTimeoutMillis) {
    if(!m_apIo->open(iTimeoutMillis)) {
        printError("%s| Failed to open radio port [%s]", m_sName.c_str(), m_sRadioPort.c_str());
        return false;
    }

    bool bEnabled;
    ICellularRadio::CODE eCode = getEcho(bEnabled);
    if(eCode == SUCCESS && bEnabled) {
        printDebug("%s| Disabling 'echo'", m_sName.c_str());
        setEcho(false);
        m_bEnableEchoOnClose = true;
    }

    return true;
}

bool CellularRadio::resetConnection(uint32_t iTimeoutMillis) {
    //Close Current Connection
    if(!m_apIo.isNull()) {
        m_apIo->close();
    }

    m_apIo.reset(new MTS::IO::SerialConnection(
                     MTS::IO::SerialConnection::Builder(m_sRadioPort)
                        .