/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright 2013 - 2020, nymea GmbH * Contact: contact@nymea.io * * This file is part of nymea. * This project including source code and documentation is protected by * copyright law, and remains the property of nymea GmbH. All rights, including * reproduction, publication, editing and translation, are reserved. The use of * this project is subject to the terms of a license agreement to be concluded * with nymea GmbH in accordance with the terms of use of nymea GmbH, available * under https://nymea.io/license * * GNU Lesser General Public License Usage * Alternatively, this project may be redistributed and/or modified under the * terms of the GNU Lesser General Public License as published by the Free * Software Foundation; version 3. This project 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 this project. If not, see . * * For any further details and any questions please contact us under * contact@nymea.io or see our FAQ/Licensing Information on * https://nymea.io/license/faq * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #ifndef MCP342X_H #define MCP342X_H #include #include #include class MCP342XChannel: public I2CDevice { Q_OBJECT public: /* Resolution | LSB * --------------------- * 12 bits | 1 mV * 14 bits | 250 μV * 16 bits | 62.5 μV * 18 bits | 15.625 μ */ enum Gain { Gain_1 = 0, Gain_2 = 1, Gain_4 = 2, Gain_8 = 3 }; enum ConfRegisterBits { G0 = 0, // Gain Selection G1, // Gain Selection S0, // Sample Rate S1, // Sample Rate OC, // Conversion Mode Bit C0, // Channel Selection C1, // Channel Selection RDY // Ready Bit }; enum SampleRateSelectionBit { Bits12 = 0, Bits14 = 1, Bits16 = 2, Bits18 = 3 }; explicit MCP342XChannel(const QString &portName, int address, int channel, Gain gain, QObject *parent = nullptr); QByteArray readData(int fd) override; private: int m_channel = 0; Gain m_gain = Gain_1; }; #endif // MCP342X_H