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1 : // SPDX-FileCopyrightText: 2022-2023 Paul Colby <git@colby.id.au> 2 : // SPDX-License-Identifier: LGPL-3.0-or-later 3 : 4 : /*! 5 : * \file 6 : * Declares the DataLoggerService class. 7 : */ 8 : 9 : #ifndef QTPOKIT_DATALOGGERSERVICE_H 10 : #define QTPOKIT_DATALOGGERSERVICE_H 11 : 12 : #include "abstractpokitservice.h" 13 : 14 : #include <QBluetoothAddress> 15 : #include <QBluetoothUuid> 16 : #include <QVersionNumber> 17 : 18 : QTPOKIT_BEGIN_NAMESPACE 19 : 20 : class DataLoggerServicePrivate; 21 : 22 : class QTPOKIT_EXPORT DataLoggerService : public AbstractPokitService 23 : { 24 4410 : Q_OBJECT 25 : 26 : public: 27 : static const QBluetoothUuid serviceUuid; 28 : 29 : struct QTPOKIT_EXPORT CharacteristicUuids { 30 : static const QBluetoothUuid settings; 31 : static const QBluetoothUuid metadata; 32 : static const QBluetoothUuid reading; 33 : }; 34 : 35 : enum class Command : quint8 { 36 : Start = 0, ///< Start the Data Logger. 37 : Stop = 1, ///< Stop the Data Logger. 38 : Refresh = 2, ///< Refresh the Data Logger. 39 : }; 40 : 41 : enum class Mode : quint8 { 42 : Idle = 0, ///< Make device idle. 43 : DcVoltage = 1, ///< Measure DC voltage. 44 : AcVoltage = 2, ///< Measure AC voltage. 45 : DcCurrent = 3, ///< Measure DC current. 46 : AcCurrent = 4, ///< Measure AC current. 47 : Temperature = 5, ///< Measure temperature. 48 : }; 49 : static QString toString(const Mode &mode); 50 : 51 : enum class VoltageRange : quint8 { 52 : _0_to_300mV = 0, ///< 0 to 300mV. 53 : _300mV_to_2V = 1, ///< 300mV to 2V. 54 : _2V_to_6V = 2, ///< 2V to 6V. 55 : _6V_to_12V = 3, ///< 6V to 12V. 56 : _12V_to_30V = 4, ///< 12V to 30V. 57 : _30V_to_60V = 5, ///< 30V to 60V. 58 : /// \todo Pokit Pro supports up to 600V, which are enum 6 and 7 via Android app. 59 : }; 60 : static QString toString(const VoltageRange &range); 61 : static QVariant minValue(const VoltageRange &range); 62 : static QVariant maxValue(const VoltageRange &range); 63 : 64 : enum class CurrentRange : quint8 { 65 : _0_to_10mA = 0, ///< 0 to 10mA. 66 : _10mA_to_30mA = 1, ///< 10mA to 30mA. 67 : _30mA_to_150mA = 2, ///< 30mA to 150mA. 68 : _150mA_to_300mA = 3, ///< 150mA to 300mA. 69 : _300mA_to_3A = 4, ///< 300mA to 3A. 70 : /// \todo Pokit Pro supports up to 10A. 71 : }; 72 : static QString toString(const CurrentRange &range); 73 : static QVariant minValue(const CurrentRange &range); 74 : static QVariant maxValue(const CurrentRange &range); 75 : 76 : union QTPOKIT_EXPORT Range { 77 : VoltageRange voltageRange; ///< Range when in AC/DC voltage mode. 78 : CurrentRange currentRange; ///< Range when in AC/DC current mode. 79 : Range(); 80 : Range(const VoltageRange range); 81 : Range(const CurrentRange range); 82 : }; 83 : static QString toString(const Range &range, const Mode &mode); 84 : 85 18 : struct Settings { 86 : Command command; ///< Custom operation request. 87 : quint16 arguments; ///< Reserved to used along with #command in future. 88 : Mode mode; ///< Desired operation mode. 89 : Range range; ///< Desired range. 90 : quint32 updateInterval; ///< Desired update interval in milliseconds. 91 : quint32 timestamp; ///< Custom timestamp for start time in retrieved metadata. 92 : }; 93 : 94 : enum class LoggerStatus : quint8 { 95 : Done = 0, ///< Sampling has completed. 96 : Sampling = 1, ///< Actively sampling. 97 : BufferFull = 2, ///< Buffer is full. 98 : Error = 255 ///< An error has occurred. 99 : }; 100 : 101 1386 : struct Metadata { 102 : LoggerStatus status; ///< Current data logger status. 103 : float scale; ///< Scale to apply to read samples. 104 : Mode mode; ///< Current operation mode. 105 : Range range; ///< Current range. 106 : quint32 updateInterval; ///< Current logging interval in milliseconds. 107 : quint16 numberOfSamples; ///< Number of samples acquired (1 to 6192). 108 : quint32 timestamp; ///< Timestamp stored at the beginning of the logging session. 109 : }; 110 : 111 : typedef QVector<qint16> Samples; 112 : 113 : DataLoggerService(QLowEnergyController * const pokitDevice, QObject * parent = nullptr); 114 : ~DataLoggerService() override; 115 : 116 : bool readCharacteristics() override; 117 : bool readMetadataCharacteristic(); 118 : 119 : // Settings characteristic (BLE write only). 120 : bool setSettings(const Settings &settings); 121 : bool startLogger(const Settings &settings); 122 : bool stopLogger(); 123 : bool fetchSamples(); 124 : 125 : // Metadata characteristic (BLE read/notify). 126 : Metadata metadata() const; 127 : bool enableMetadataNotifications(); 128 : bool disableMetadataNotifications(); 129 : 130 : // Reading characteristic (BLE notify only). 131 : bool enableReadingNotifications(); 132 : bool disableReadingNotifications(); 133 : 134 : signals: 135 : void settingsWritten(); 136 : void metadataRead(const DataLoggerService::Metadata &meta); 137 : void samplesRead(const DataLoggerService::Samples &samples); 138 : 139 : protected: 140 : /// \cond internal 141 : DataLoggerService(DataLoggerServicePrivate * const d, QObject * const parent); 142 : /// \endcond 143 : 144 : private: 145 252 : Q_DECLARE_PRIVATE(DataLoggerService) 146 : Q_DISABLE_COPY(DataLoggerService) 147 : friend class TestDataLoggerService; 148 : }; 149 : 150 : QTPOKIT_EXPORT bool operator==(const DataLoggerService::Range &lhs, const DataLoggerService::Range &rhs); 151 : QTPOKIT_EXPORT bool operator!=(const DataLoggerService::Range &lhs, const DataLoggerService::Range &rhs); 152 : QTPOKIT_EXPORT bool operator< (const DataLoggerService::Range &lhs, const DataLoggerService::Range &rhs); 153 : QTPOKIT_EXPORT bool operator> (const DataLoggerService::Range &lhs, const DataLoggerService::Range &rhs); 154 : QTPOKIT_EXPORT bool operator<=(const DataLoggerService::Range &lhs, const DataLoggerService::Range &rhs); 155 : QTPOKIT_EXPORT bool operator>=(const DataLoggerService::Range &lhs, const DataLoggerService::Range &rhs); 156 : 157 : QTPOKIT_END_NAMESPACE 158 : 159 : #endif // QTPOKIT_DATALOGGERSERVICE_H
