1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2017 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtSerialBus module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL3$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPLv3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or later as published by the Free 28 ** Software Foundation and appearing in the file LICENSE.GPL included in 29 ** the packaging of this file. Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QMODBUSERVER_P_H 38 #define QMODBUSERVER_P_H 39 40 #include <QtSerialBus/qmodbusdataunit.h> 41 #include <QtSerialBus/qmodbusserver.h> 42 43 #include <private/qmodbuscommevent_p.h> 44 #include <private/qmodbusdevice_p.h> 45 #include <private/qmodbus_symbols_p.h> 46 47 #include <array> 48 #include <deque> 49 50 // 51 // W A R N I N G 52 // ------------- 53 // 54 // This file is not part of the Qt API. It exists purely as an 55 // implementation detail. This header file may change from version to 56 // version without notice, or even be removed. 57 // 58 // We mean it. 59 // 60 61 QT_BEGIN_NAMESPACE 62 63 class QModbusServerPrivate : public QModbusDevicePrivate 64 { 65 Q_DECLARE_PUBLIC(QModbusServer) 66 67 public: 68 enum Counter { 69 CommEvent = 0x0001, 70 BusMessage = Diagnostics::ReturnBusMessageCount, 71 BusCommunicationError = Diagnostics::ReturnBusCommunicationErrorCount, 72 BusExceptionError = Diagnostics::ReturnBusExceptionErrorCount, 73 ServerMessage = Diagnostics::ReturnServerMessageCount, 74 ServerNoResponse = Diagnostics::ReturnServerNoResponseCount, 75 ServerNAK = Diagnostics::ReturnServerNAKCount, 76 ServerBusy = Diagnostics::ReturnServerBusyCount, 77 BusCharacterOverrun = Diagnostics::ReturnBusCharacterOverrunCount 78 }; 79 QModbusServerPrivate()80 QModbusServerPrivate() 81 : m_counters() 82 { 83 } 84 85 bool setMap(const QModbusDataUnitMap &map); 86 resetCommunicationCounters()87 void resetCommunicationCounters() { m_counters.fill(0u); } incrementCounter(QModbusServerPrivate::Counter counter)88 void incrementCounter(QModbusServerPrivate::Counter counter) { m_counters[counter]++; } 89 90 QModbusResponse processRequest(const QModbusPdu &request); 91 92 QModbusResponse processReadCoilsRequest(const QModbusRequest &request); 93 QModbusResponse processReadDiscreteInputsRequest(const QModbusRequest &request); 94 QModbusResponse readBits(const QModbusPdu &request, QModbusDataUnit::RegisterType unitType); 95 96 QModbusResponse processReadHoldingRegistersRequest(const QModbusRequest &request); 97 QModbusResponse processReadInputRegistersRequest(const QModbusRequest &request); 98 QModbusResponse readBytes(const QModbusPdu &request, QModbusDataUnit::RegisterType unitType); 99 100 QModbusResponse processWriteSingleCoilRequest(const QModbusRequest &request); 101 QModbusResponse processWriteSingleRegisterRequest(const QModbusRequest &request); 102 QModbusResponse writeSingle(const QModbusPdu &request, QModbusDataUnit::RegisterType unitType); 103 104 QModbusResponse processReadExceptionStatusRequest(const QModbusRequest &request); 105 QModbusResponse processDiagnosticsRequest(const QModbusRequest &request); 106 QModbusResponse processGetCommEventCounterRequest(const QModbusRequest &request); 107 QModbusResponse processGetCommEventLogRequest(const QModbusRequest &request); 108 QModbusResponse processWriteMultipleCoilsRequest(const QModbusRequest &request); 109 QModbusResponse processWriteMultipleRegistersRequest(const QModbusRequest &request); 110 QModbusResponse processReportServerIdRequest(const QModbusRequest &request); 111 QModbusResponse processMaskWriteRegisterRequest(const QModbusRequest &request); 112 QModbusResponse processReadWriteMultipleRegistersRequest(const QModbusRequest &request); 113 QModbusResponse processReadFifoQueueRequest(const QModbusRequest &request); 114 QModbusResponse processEncapsulatedInterfaceTransportRequest(const QModbusRequest &request); 115 116 void storeModbusCommEvent(const QModbusCommEvent &eventByte); 117 118 int m_serverAddress = 1; 119 std::array<quint16, 20> m_counters; 120 QHash<int, QVariant> m_serverOptions; 121 QModbusDataUnitMap m_modbusDataUnitMap; 122 std::deque<quint8> m_commEventLog; 123 }; 124 125 QT_END_NAMESPACE 126 127 #endif // QMODBUSERVER_P_H 128