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119 lines
2.6 KiB
119 lines
2.6 KiB
6 months ago
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/******************************************************************
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Copyright © Deng Zhimao Co., Ltd. 1990-2030. All rights reserved.
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* @projectName desktop
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* @brief desktop.cpp
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* @author Deng Zhimao
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* @email 1252699831@qq.com
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* @date 2020-07-31
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*******************************************************************/
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#include "desktop.h"
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#include <QDebug>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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MyDesktop::MyDesktop(QObject *parent) : QObject (parent)
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{
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#ifdef __arm__
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getSystemVolume();
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#endif
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}
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MyDesktop::~MyDesktop()
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{
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}
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void MyDesktop::timerInit()
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{
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timer = new QTimer();
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connect(timer, SIGNAL(timeout()), this, SLOT(getCpuTemp()));
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#ifdef __arm__
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timer->start(1000);
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#endif
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}
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void MyDesktop::systemReboot()
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{
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system("reboot");
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//system("kill -9 $(pidof QDesktop)");
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}
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void MyDesktop::systemPoweroff()
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{
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system("poweroff");
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//system("kill -9 $(pidof QDesktop)");
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}
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QString MyDesktop::sysVolume()
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{
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return sysvolume;
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}
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void MyDesktop::getSystemVolume()
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{
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#ifdef __arm__
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myProcess = new QProcess;
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connect(myProcess,&QProcess::readyReadStandardOutput,this,&MyDesktop::standardOutput_ReadVolume);
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system("return=$(amixer -c STM32MP1DK cget name='PCM Playback Volume' |grep -E ': values=' |awk '{print $2}');echo ${return#*,} >./volume.tmp");
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myProcess->start("cat ./volume.tmp");
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myProcess->waitForStarted();
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#endif
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}
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void MyDesktop::setSystemVolume(QString value)
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{
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#ifdef __arm__
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QString cmdStr = tr("amixer -c STM32MP1DK cset name='PCM Playback Volume' '%1','%1'").arg(value);
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system(cmdStr.toStdString().c_str());
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#endif
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}
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void MyDesktop::standardOutput_ReadVolume()
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{
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sysvolume = myProcess->readAllStandardOutput();
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sysvolume.remove(QChar('\n'), Qt::CaseInsensitive);
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emit sysVolumeChanged();
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}
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QString MyDesktop::cpuTemp()
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{
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return cputemp;
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}
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QString MyDesktop::readCpuTemp()
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{
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char const *filename = "/sys/class/hwmon/hwmon0/temp1_input";
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int err = 0;
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int fd;
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char buf[10];
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fd = open(filename, O_RDONLY);
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if(fd < 0){
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close(fd);
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timer->stop();
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return "open file error!";
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}
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err = read(fd, buf, sizeof(buf));
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if (err < 0){
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timer->stop();
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close(fd);
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return "read data error!";
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}
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close(fd);
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QString tempValue = buf;
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QStringList list = tempValue.split("\n");
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return list[0];
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}
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void MyDesktop::getCpuTemp()
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{
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cputemp = readCpuTemp();
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double temp_data = cputemp.toDouble() / 1000;
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cputemp = QString::number(temp_data,'f',2);
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emit cpuTempChanged();
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}
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