87 lines
2.7 KiB
C++
87 lines
2.7 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/>.
|
|
*
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
#include "w1.h"
|
|
#include "extern-plugininfo.h"
|
|
|
|
W1::W1(QObject *parent) :
|
|
QObject(parent)
|
|
{
|
|
|
|
}
|
|
|
|
QStringList W1::discoverDevices()
|
|
{
|
|
QStringList deviceList;
|
|
|
|
QDir w1SysFSDir("/sys/bus/w1/devices/");
|
|
if (!w1SysFSDir.exists()) {
|
|
qCDebug(dcOneWire()) << "W1 kernel not loaded";
|
|
return deviceList;
|
|
}
|
|
w1SysFSDir.setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
|
|
w1SysFSDir.setSorting(QDir::Name);
|
|
|
|
QFileInfoList list = w1SysFSDir.entryInfoList();
|
|
for (int i = 0; i < list.size(); ++i) {
|
|
QFileInfo fileInfo = list.at(i);
|
|
if(fileInfo.fileName().at(2) == '-') {
|
|
qCDebug(dcOneWire()) << "Found one wire device" << fileInfo.filePath();
|
|
deviceList.append(fileInfo.fileName());
|
|
}
|
|
}
|
|
return deviceList;
|
|
}
|
|
|
|
bool W1::interfaceIsAvailable()
|
|
{
|
|
QDir w1SysFSDir("/sys/bus/w1/devices/");
|
|
return w1SysFSDir.exists();
|
|
}
|
|
|
|
bool W1::deviceAvailable(const QString &address)
|
|
{
|
|
QDir temperatureSensor("/sys/bus/w1/devices/"+address);
|
|
return temperatureSensor.exists();
|
|
}
|
|
|
|
double W1::getTemperature(const QString &address)
|
|
{
|
|
QDir temperatureSensor("/sys/bus/w1/devices/"+address);
|
|
if (temperatureSensor.exists()) {
|
|
QFile temperature(temperatureSensor.path() +"/temperature");
|
|
if (!temperature.exists()) {
|
|
qCWarning(dcOneWire()) << "Directory doesn't exist" << temperature.fileName();
|
|
}
|
|
if (!temperature.open(QIODevice::ReadOnly | QIODevice::Text)){
|
|
qCWarning(dcOneWire()) << "Could not open file" << temperature.fileName();
|
|
return 0;
|
|
}
|
|
return temperature.readLine().toInt()/1000.00;
|
|
} else {
|
|
qCWarning(dcOneWire()) << "Could not find device" << temperatureSensor.currentPath();
|
|
}
|
|
return 0;
|
|
}
|