Add support for changing the DS and DSi battery level

The DS battery level is configured via the SPI Power Management Device,
and the DSi's is configured via the I2C BPTWL. Add support for changing
these registers and add the "Power Management" dialog in the UI.

9 files changed, 1297 insertions, 0 deletions

diff --git a/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.cpp b/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.cpp
new file mode 100644
index 0000000..b67736a
--- /dev/null
+++ b/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.cpp
@@ -0,0 +1,106 @@
+/*
+    Copyright 2016-2021 Rayyan Ansari
+
+    This file is part of melonDS.
+
+    melonDS 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.
+
+    melonDS 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 melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
+#include "PowerManagementDialog.h"
+#include "ui_PowerManagementDialog.h"
+
+#include "SPI.h"
+#include "DSi_I2C.h"
+#include "NDS.h"
+
+#include "types.h"
+
+#include <QtDebug>
+
+PowerManagementDialog* PowerManagementDialog::currentDlg = nullptr;
+
+PowerManagementDialog::PowerManagementDialog(QWidget* parent) : QDialog(parent), ui(new Ui::PowerManagementDialog)
+{
+    ui->setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+
+    if (NDS::ConsoleType)
+        ui->grpDSBattery->setEnabled(false);
+    else
+        ui->grpDSiBattery->setEnabled(false);
+
+    updateDSBatteryLevelControls();
+
+    ui->cbDSiBatteryCharging->setChecked(DSi_BPTWL::GetBatteryCharging());
+    int dsiBatterySliderPos;
+    switch (DSi_BPTWL::GetBatteryLevel())
+    {
+        case DSi_BPTWL::batteryLevel_AlmostEmpty:   dsiBatterySliderPos = 0; break;
+        case DSi_BPTWL::batteryLevel_Low:           dsiBatterySliderPos = 1; break;
+        case DSi_BPTWL::batteryLevel_Half:          dsiBatterySliderPos = 2; break;
+        case DSi_BPTWL::batteryLevel_ThreeQuarters: dsiBatterySliderPos = 3; break;
+        case DSi_BPTWL::batteryLevel_Full:          dsiBatterySliderPos = 4; break;
+    }
+    ui->sliderDSiBatteryLevel->setValue(dsiBatterySliderPos);
+}
+
+PowerManagementDialog::~PowerManagementDialog()
+{
+    delete ui;
+}
+
+void PowerManagementDialog::done(int r)
+{
+    QDialog::done(r);
+
+    closeDlg();
+}
+
+void PowerManagementDialog::on_rbDSBatteryLow_clicked()
+{
+    SPI_Powerman::SetBatteryLevelOkay(false);
+}
+
+void PowerManagementDialog::on_rbDSBatteryOkay_clicked()
+{
+    SPI_Powerman::SetBatteryLevelOkay(true);
+}
+
+void PowerManagementDialog::updateDSBatteryLevelControls()
+{
+    if (SPI_Powerman::GetBatteryLevelOkay())
+        ui->rbDSBatteryOkay->setChecked(true);
+    else
+        ui->rbDSBatteryLow->setChecked(true);
+}
+
+void PowerManagementDialog::on_cbDSiBatteryCharging_toggled()
+{
+    DSi_BPTWL::SetBatteryCharging(ui->cbDSiBatteryCharging->isChecked());
+}
+
+void PowerManagementDialog::on_sliderDSiBatteryLevel_valueChanged(int value)
+{
+    u8 newBatteryLevel;
+    switch (value)
+    {
+        case 0: newBatteryLevel = DSi_BPTWL::batteryLevel_AlmostEmpty; break;
+        case 1: newBatteryLevel = DSi_BPTWL::batteryLevel_Low; break;
+        case 2: newBatteryLevel = DSi_BPTWL::batteryLevel_Half; break;
+        case 3: newBatteryLevel = DSi_BPTWL::batteryLevel_ThreeQuarters; break;
+        case 4: newBatteryLevel = DSi_BPTWL::batteryLevel_Full; break;
+    }
+    DSi_BPTWL::SetBatteryLevel(newBatteryLevel);
+    updateDSBatteryLevelControls();
+}
+
diff --git a/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.h b/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.h
new file mode 100644
index 0000000..c9f3b4a
--- /dev/null
+++ b/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.h
@@ -0,0 +1,69 @@
+/*
+    Copyright 2016-2021 Rayyan Ansari
+    This file is part of melonDS.
+
+    melonDS 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.
+
+    melonDS 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 melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
+#ifndef POWERMANAGEMENTDIALOG_H
+#define POWERMANAGEMENTDIALOG_H
+
+#include <QDialog>
+#include <QAbstractButton>
+
+namespace Ui { class PowerManagementDialog; }
+class PowerManagementDialog;
+
+class PowerManagementDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit PowerManagementDialog(QWidget* parent);
+    ~PowerManagementDialog();
+
+    static PowerManagementDialog* currentDlg;
+    static PowerManagementDialog* openDlg(QWidget* parent)
+    {
+        if (currentDlg)
+        {
+            currentDlg->activateWindow();
+            return currentDlg;
+        }
+
+        currentDlg = new PowerManagementDialog(parent);
+        currentDlg->open();
+        return currentDlg;
+    }
+    static void closeDlg()
+    {
+        currentDlg = nullptr;
+    }
+
+private slots:
+    void done(int r);
+
+    void on_rbDSBatteryLow_clicked();
+    void on_rbDSBatteryOkay_clicked();
+
+    void on_cbDSiBatteryCharging_toggled();
+    void on_sliderDSiBatteryLevel_valueChanged(int value);
+
+private:
+    Ui::PowerManagementDialog* ui;
+
+    void updateDSBatteryLevelControls();
+};
+
+#endif // POWERMANAGEMENTDIALOG_H
+
diff --git a/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.ui b/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.ui
new file mode 100644
index 0000000..a2c1216
--- /dev/null
+++ b/src/frontend/qt_sdl/PowerManagement/PowerManagementDialog.ui
@@ -0,0 +1,258 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PowerManagementDialog</class>
+ <widget class="QDialog" name="PowerManagementDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>562</width>
+    <height>279</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Power management - melonDS</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QGroupBox" name="grpDSBattery">
+     <property name="title">
+      <string>DS Battery</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_2">
+      <item row="1" column="1">
+       <widget class="QRadioButton" name="rbDSBatteryLow">
+        <property name="text">
+         <string>Low</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0" rowspan="2">
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>Battery Level</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QRadioButton" name="rbDSBatteryOkay">
+        <property name="text">
+         <string>Okay</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="3" column="0">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <widget class="QGroupBox" name="grpDSiBattery">
+     <property name="title">
+      <string>DSi Battery</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_6">
+      <item row="1" column="2">
+       <widget class="QLabel" name="label_2">
+        <property name="text">
+         <string>Almost Empty</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <spacer name="horizontalSpacer">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeType">
+         <enum>QSizePolicy::Preferred</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>20</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+      <item row="0" column="0" colspan="5">
+       <widget class="QCheckBox" name="cbDSiBatteryCharging">
+        <property name="text">
+         <string>Charging</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="8">
+       <widget class="QLabel" name="label_3">
+        <property name="text">
+         <string>Full</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_1">
+        <property name="text">
+         <string>Battery Level</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="3">
+       <widget class="QLabel" name="label_4">
+        <property name="text">
+         <string/>
+        </property>
+        <property name="pixmap">
+         <pixmap resource="resources/battery.qrc">:/dsibattery/dsi_batteryalmostempty.svg</pixmap>
+        </property>
+        <property name="scaledContents">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="4">
+       <widget class="QLabel" name="label_5">
+        <property name="text">
+         <string/>
+        </property>
+        <property name="pixmap">
+         <pixmap resource="resources/battery.qrc">:/dsibattery/dsi_batterylow.svg</pixmap>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="5">
+       <widget class="QLabel" name="label_6">
+        <property name="text">
+         <string/>
+        </property>
+        <property name="pixmap">
+         <pixmap resource="resources/battery.qrc">:/dsibattery/dsi_battery2.svg</pixmap>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="6">
+       <widget class="QLabel" name="label_7">
+        <property name="text">
+         <string/>
+        </property>
+        <property name="pixmap">
+         <pixmap resource="resources/battery.qrc">:/dsibattery/dsi_battery3.svg</pixmap>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="7">
+       <widget class="QLabel" name="label_8">
+        <property name="text">
+         <string/>
+        </property>
+        <property name="pixmap">
+         <pixmap resource="resources/battery.qrc">:/dsibattery/dsi_batteryfull.svg</pixmap>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="3" colspan="5">
+       <widget class="QSlider" name="sliderDSiBatteryLevel">
+        <property name="maximum">
+         <number>4</number>
+        </property>
+        <property name="pageStep">
+         <number>1</number>
+        </property>
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="tickPosition">
+         <enum>QSlider::TicksBothSides</enum>
+        </property>
+        <property name="tickInterval">
+         <number>1</number>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0" colspan="3">
+       <spacer name="horizontalSpacer_2">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="resources/battery.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>PowerManagementDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>PowerManagementDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/src/frontend/qt_sdl/PowerManagement/resources/battery.qrc b/src/frontend/qt_sdl/PowerManagement/resources/battery.qrc
new file mode 100644
index 0000000..7f9c95b
--- /dev/null
+++ b/src/frontend/qt_sdl/PowerManagement/resources/battery.qrc
@@ -0,0 +1,9 @@
+<RCC>
+  <qresource prefix="dsibattery">
+    <file>dsi_batteryalmostempty.svg</file>
+    <file>dsi_batterylow.svg</file>
+    <file>dsi_battery2.svg</file>
+    <file>dsi_battery3.svg</file>
+    <file>dsi_batteryfull.svg</file>
+  </qresource>
+</RCC>
diff --git a/src/frontend/qt_sdl/PowerManagement/resources/dsi_battery2.svg b/src/frontend/qt_sdl/PowerManagement/resources/dsi_battery2.svg
new file mode 100644
index 0000000..e9c4b75
--- /dev/null
+++ b/src/frontend/qt_sdl/PowerManagement/resources/dsi_battery2.svg
@@ -0,0 +1,171 @@
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diff --git a/src/frontend/qt_sdl/PowerManagement/resources/dsi_battery3.svg b/src/frontend/qt_sdl/PowerManagement/resources/dsi_battery3.svg
new file mode 100644
index 0000000..d464ef3
--- /dev/null
+++ b/src/frontend/qt_sdl/PowerManagement/resources/dsi_battery3.svg
@@ -0,0 +1,171 @@
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