git.maemo.org Git - cpufrequi/blob - mainwindow.cpp

   1 #include "mainwindow.h"
   2 #include "ui_mainwindow.h"
   3
   4 #include "n900.h"
   5 #include "cpufreq.h"
   6
   7 #include <QMessageBox>
   8
   9 MainWindow::MainWindow(QWidget *parent) :
  10         QMainWindow(parent),
  11         ui(new Ui::MainWindow)
  12 {
  13     ui->setupUi(this);
  14
  15     connect(ui->pushButtonRefresh, SIGNAL(clicked()), this, SLOT(RefreshInfo()));
  16     //do something somehow
  17     //connect(ui->comboBoxCPU, SIGNAL(currentIndexChanged(int)), SLOT(on_comboBoxCPU_Select()));
  18     RefreshInfo();
  19     ui->labelTimeInStates->hide();
  20     InitCPU();
  21 }
  22
  23 MainWindow::~MainWindow()
  24 {
  25     delete ui;
  26 }
  27
  28 void MainWindow::RefreshInfo()
  29 {
  30     ui->labelTemperature->setText(QString(tr("Temperature: ")) + QString::number(omap_get_real_temperature()) + QChar(0x2103) + QString(tr(" real / "))+ QString::number(omap_get_raw_temperature()) + QString(tr(" raw")));
  31 }
  32
  33 void MainWindow::InitCPU()
  34 {
  35     unsigned int cpu, nr_cpus;
  36     unsigned long min, max;
  37     unsigned int min_pctg = 0;
  38     unsigned int max_pctg = 0;
  39     struct cpufreq_policy *policy;
  40     struct cpufreq_available_frequencies *freqs;
  41     struct cpufreq_available_governors *governors;
  42     unsigned int i;
  43
  44     // CPU's
  45     ui->comboBoxCPU->clear();
  46     nr_cpus = count_cpus();
  47     //nr_cpus=1;
  48     if(nr_cpus==1) {
  49         ui->comboBoxCPU->addItem(QString::number(0),0);
  50         ui->comboBoxCPU->hide();
  51         ui->labelCPU->hide();
  52     } else {
  53         for (cpu=0; cpu < nr_cpus; cpu++) {
  54             ui->comboBoxCPU->addItem(QString::number(cpu),cpu);
  55         }
  56     }
  57     //ui->label_3->setText(QString::number(nr_cpus));
  58     // CPU's END
  59
  60     // policy
  61     policy = cpufreq_get_policy(ui->comboBoxCPU->currentText().toInt());
  62     if (policy) {
  63
  64         if (cpufreq_get_hardware_limits(ui->comboBoxCPU->currentText().toInt(), &min, &max)) {
  65             max = 0;
  66         } else {
  67             min_pctg = (policy->min * 100) / max;
  68             max_pctg = (policy->max * 100) / max;
  69         }
  70     }
  71     // policy END
  72     // do not forget cpufreq_put_policy
  73
  74     // Governors
  75     ui->comboBoxCPUGovernor->clear();
  76     governors = cpufreq_get_available_governors(ui->comboBoxCPU->currentText().toInt());
  77     if (governors) {
  78         i=0;
  79         while (governors->next) {
  80             ui->comboBoxCPUGovernor->addItem(governors->governor,i);
  81             governors = governors->next;
  82             i++;
  83         }
  84         ui->comboBoxCPUGovernor->addItem(governors->governor,i);
  85         cpufreq_put_available_governors(governors);
  86     }
  87     ui->comboBoxCPUGovernor->setCurrentIndex(ui->comboBoxCPUGovernor->findText(QString(policy->governor)));
  88     // Governors END
  89
  90     // CPU Frequencies
  91     ui->comboBoxCPUFreq->clear();
  92     freqs = cpufreq_get_available_frequencies(ui->comboBoxCPU->currentText().toInt());
  93     if (freqs) {
  94         while (freqs->next) {
  95             ui->comboBoxCPUFreq->addItem(QString::number(freqs->frequency),int(freqs->frequency));
  96             freqs = freqs->next;
  97         }
  98         ui->comboBoxCPUFreq->addItem(QString::number(freqs->frequency),int(freqs->frequency));
  99         //unsigned long hwfreq = cpufreq_get_freq_hardware(ui->comboBoxCPU->currentText().toInt());
 100         //ui->comboBoxCPUFreq->setCurrentIndex();
 101         cpufreq_put_available_frequencies(freqs);
 102     }
 103     ui->comboBoxCPUFreq->setCurrentIndex(ui->comboBoxCPUFreq->findText(QString::number(policy->max)));
 104     cpufreq_put_policy(policy);
 105     // CPU Frequencies END
 106
 107     // up_threshold
 108     ui->lineEditUpThreshold->clear();
 109     ui->lineEditUpThreshold->setText(QString::number(cpufreq_get_up_threshold(ui->comboBoxCPU->currentText().toInt())));
 110     // up_threshold END
 111
 112     // sampling_rate
 113     ui->lineEditSamplingRate->clear();
 114     ui->lineEditSamplingRate->setText(QString::number(cpufreq_get_sampling_rate(ui->comboBoxCPU->currentText().toInt())));
 115     // sampling_rate END
 116
 117     // ignore_nice_load
 118     i = cpufreq_get_ignore_nice_load(ui->comboBoxCPU->currentText().toInt());
 119     if(i==-1) {
 120         ui->checkBoxIgnoreNiceLoad->hide();
 121     } else {
 122         ui->checkBoxIgnoreNiceLoad->show();
 123         if(i)
 124             ui->checkBoxIgnoreNiceLoad->setChecked(true);
 125         else
 126             ui->checkBoxIgnoreNiceLoad->setChecked(false);
 127     }
 128     // ignore_nice_load END
 129
 130     // SmartReflex
 131     i = cpufreq_get_SmartReflex();
 132     if(i==-1) {
 133         ui->checkBoxSmartReflex->hide();
 134     } else {
 135         ui->checkBoxSmartReflex->show();
 136         if(i)
 137             ui->checkBoxSmartReflex->setChecked(true);
 138         else
 139             ui->checkBoxSmartReflex->setChecked(false);
 140     }
 141     // SmartReflex END
 142 }
 143
 144 void MainWindow::changeEvent(QEvent *e)
 145 {
 146     QMainWindow::changeEvent(e);
 147     switch (e->type()) {
 148     case QEvent::LanguageChange:
 149         ui->retranslateUi(this);
 150         break;
 151     default:
 152         break;
 153     }
 154 }
 155
 156 void MainWindow::on_pushButtonClear_clicked()
 157 {
 158     ui->comboBoxCPU->clear();
 159     ui->comboBoxCPUFreq->clear();
 160     ui->comboBoxCPUGovernor->clear();
 161     ui->lineEditUpThreshold->clear();
 162     InitCPU();
 163 }
 164
 165 void MainWindow::on_pushButtonApply_clicked()
 166 {
 167     struct cpufreq_policy *cur_pol = cpufreq_get_policy(ui->comboBoxCPU->currentText().toInt());
 168     struct cpufreq_policy *new_pol = new cpufreq_policy();
 169     new_pol->min = 0;
 170     new_pol->max = 0;
 171     new_pol->governor = NULL;
 172     new_pol->max = ui->comboBoxCPUFreq->currentText().toInt();
 173     new_pol->governor = ui->comboBoxCPUGovernor->currentText().toAscii().data();
 174     if (!cur_pol) {
 175         return;
 176     }
 177
 178     if (!new_pol->min)
 179         new_pol->min = cur_pol->min;
 180
 181     if (!new_pol->max)
 182         new_pol->max = cur_pol->max;
 183
 184     if (!new_pol->governor)
 185         new_pol->governor = cur_pol->governor;
 186
 187     //TODO add error check
 188     cpufreq_set_policy(ui->comboBoxCPU->currentText().toInt(), new_pol);
 189
 190     if(strcmp(new_pol->governor,"userspace")==0)
 191     //{
 192         cpufreq_set_frequency(ui->comboBoxCPU->currentText().toInt(), new_pol->max);
 193         //ui->label_3->setText("Ok");
 194     //} else {
 195         //ui->label_3->setText("No");
 196     //}
 197
 198     //TODO add error check
 199     if(strcmp(new_pol->governor,"ondemand")==0)
 200     {
 201         cpufreq_set_up_threshold(ui->comboBoxCPU->currentText().toInt(),ui->lineEditUpThreshold->text().toULong());
 202         cpufreq_set_sampling_rate(ui->comboBoxCPU->currentText().toInt(),ui->lineEditSamplingRate->text().toULong());
 203         if(ui->checkBoxIgnoreNiceLoad->isVisible())
 204             cpufreq_set_ignore_nice_load(ui->comboBoxCPU->currentText().toInt(), (int) ui->checkBoxIgnoreNiceLoad->isChecked());
 205
 206         if(ui->checkBoxSmartReflex->isVisible()) {
 207             if(ui->checkBoxSmartReflex->isChecked()) {
 208                 cpufreq_set_SmartReflex(3);
 209             } else {
 210                 cpufreq_set_SmartReflex(0);
 211             }
 212         }
 213     }
 214     cpufreq_put_policy(cur_pol);
 215     free(new_pol);
 216
 217     //QMessageBox::about(this,"About","hello");
 218     //QMessageBox::about(0, "Trolltech", "<a href='http://www.trolltech.com'>Trolltech</a>");
 219 }
 220
 221 void MainWindow::on_pushButtonAbout_clicked()
 222 {
 223     QMessageBox::about(this,tr("About"),tr("cpufreqUI version ") + QString(CPUFREQUI_VERSION) + tr("<br>Copyright (C) 2010 Alexander R. a.k.a. SR"));
 224 }