89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
*
|
|
* Copyright (C) 2013 - 2024, nymea GmbH
|
|
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
|
|
*
|
|
* This file is part of nymea-plugins.
|
|
*
|
|
* nymea-plugins is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* nymea-plugins 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with nymea-plugins. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
#ifndef INA219_H
|
|
#define INA219_H
|
|
|
|
#include <QObject>
|
|
#include <hardware/i2c/i2cdevice.h>
|
|
|
|
class Ina219 : public I2CDevice
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
enum VoltageRange {
|
|
VoltageRange16 = 0,
|
|
VoltageRange32 = 1
|
|
};
|
|
Q_ENUM(VoltageRange)
|
|
|
|
enum GainVolts {
|
|
GainVolts004 = 0,
|
|
GainVolts008 = 1,
|
|
GainVolts016 = 2,
|
|
GainVolts032 = 3,
|
|
};
|
|
Q_ENUM(GainVolts)
|
|
|
|
enum ADCBits {
|
|
ADCBits9 = 0,
|
|
ADCBits10 = 1,
|
|
ADCBits11 = 2,
|
|
ADCBits12 = 3
|
|
};
|
|
Q_ENUM(ADCBits)
|
|
|
|
enum OperationMode {
|
|
OperationModePowerDown = 0,
|
|
OperationModeShuntVoltageTriggered = 1,
|
|
OperationModeBusVoltageTriggered = 2,
|
|
OperationModeShuntAndBusTriggered = 3,
|
|
OperationModeADCOff = 4,
|
|
OperationModeShuntVoltageContinuous = 5,
|
|
OperationModeBusVoltageContinuous = 6,
|
|
OperationModeShuntAndBusContinuous = 7
|
|
};
|
|
Q_ENUM(OperationMode)
|
|
|
|
explicit Ina219(const QString &portName, int address, double shuntOhms, VoltageRange voltageRange, QObject *parent = nullptr);
|
|
|
|
bool writeData(int fileDescriptor, const QByteArray &data) override;
|
|
QByteArray readData(int fileDescriptor) override;
|
|
|
|
signals:
|
|
void measurementAvailable();
|
|
|
|
private:
|
|
double m_shuntOhms = 0.1;
|
|
VoltageRange m_voltageRange = VoltageRange32;
|
|
GainVolts m_gainVolts = GainVolts004;
|
|
ADCBits m_busADC = ADCBits12;
|
|
ADCBits m_shuntADC = ADCBits12;
|
|
OperationMode m_operationMode = OperationModeShuntAndBusContinuous;
|
|
|
|
double m_currentLSB = 0;
|
|
};
|
|
|
|
#endif // INA219_H
|