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 QMODBUSCOMMEVENT_P_H 38 #define QMODBUSCOMMEVENT_P_H 39 40 #include <QtSerialBus/qtserialbusglobal.h> 41 42 // 43 // W A R N I N G 44 // ------------- 45 // 46 // This file is not part of the Qt API. It exists purely as an 47 // implementation detail. This header file may change from version to 48 // version without notice, or even be removed. 49 // 50 // We mean it. 51 // 52 53 QT_BEGIN_NAMESPACE 54 55 class QModbusCommEvent 56 { 57 public: 58 enum struct SendFlag : quint8 { 59 ReadExceptionSent = 0x01, 60 ServerAbortExceptionSent = 0x02, 61 ServerBusyExceptionSent = 0x04, 62 ServerProgramNAKExceptionSent = 0x08, 63 WriteTimeoutErrorOccurred = 0x10, 64 CurrentlyInListenOnlyMode = 0x20, 65 }; 66 67 enum struct ReceiveFlag : quint8 { 68 /* Unused */ 69 CommunicationError = 0x02, 70 /* Unused */ 71 /* Unused */ 72 CharacterOverrun = 0x10, 73 CurrentlyInListenOnlyMode = 0x20, 74 BroadcastReceived = 0x40 75 }; 76 77 enum EventByte { 78 SentEvent = 0x40, 79 ReceiveEvent = 0x80, 80 EnteredListenOnlyMode = 0x04, 81 InitiatedCommunicationRestart = 0x00 82 }; 83 QModbusCommEvent(QModbusCommEvent::EventByte byte)84 inline QModbusCommEvent(QModbusCommEvent::EventByte byte) 85 : m_eventByte(byte) {} 86 quint8()87 operator quint8() const { return m_eventByte; } EventByte()88 operator QModbusCommEvent::EventByte() const { 89 return static_cast<QModbusCommEvent::EventByte> (m_eventByte); 90 } 91 92 inline QModbusCommEvent operator=(QModbusCommEvent::EventByte byte) { 93 m_eventByte = byte; 94 return *this; 95 } 96 inline QModbusCommEvent operator|=(QModbusCommEvent::SendFlag sf) { 97 m_eventByte |= quint8(sf); 98 return *this; 99 } 100 inline QModbusCommEvent operator|=(QModbusCommEvent::ReceiveFlag rf) { 101 m_eventByte |= quint8(rf); 102 return *this; 103 } 104 105 private: 106 quint8 m_eventByte; 107 }; 108 109 inline QModbusCommEvent::EventByte operator|(QModbusCommEvent::EventByte b, 110 QModbusCommEvent::SendFlag sf) { return QModbusCommEvent::EventByte(quint8(b) | quint8(sf)); } 111 inline QModbusCommEvent::EventByte operator|(QModbusCommEvent::SendFlag sf, 112 QModbusCommEvent::EventByte b) { return operator|(b, sf); } 113 inline QModbusCommEvent::EventByte operator|(QModbusCommEvent::EventByte b, 114 QModbusCommEvent::ReceiveFlag rf) { return QModbusCommEvent::EventByte(quint8(b) | quint8(rf)); } 115 inline QModbusCommEvent::EventByte operator|(QModbusCommEvent::ReceiveFlag rf, 116 QModbusCommEvent::EventByte b) { return operator|(b, rf); } 117 118 QT_END_NAMESPACE 119 120 #endif // QMODBUSCOMMEVENT_P_H 121