From 1921e342cf2ad537d83a08bd1eee659278577132 Mon Sep 17 00:00:00 2001
From: firealarmss <caleb.k4php@gmail.com>
Date: Mon, 18 Nov 2024 20:14:53 -0600
Subject: [PATCH] Add initial support for QC2 sending

---
 WhackerLinkConsoleV2/ChannelBox.xaml          |   2 +
 WhackerLinkConsoleV2/ChannelBox.xaml.cs       |  31 +++++-
 .../DigitalPageWindow.xaml.cs                 |  32 +++---
 WhackerLinkConsoleV2/MainWindow.xaml          |   1 +
 WhackerLinkConsoleV2/MainWindow.xaml.cs       |  94 +++++++++++++++-
 WhackerLinkConsoleV2/QuickCallPage.xaml       |  17 +++
 WhackerLinkConsoleV2/QuickCallPage.xaml.cs    |  47 ++++++++
 WhackerLinkConsoleV2/ToneGenerator.cs         | 100 ++++++++++++++++++
 8 files changed, 309 insertions(+), 15 deletions(-)
 create mode 100644 WhackerLinkConsoleV2/QuickCallPage.xaml
 create mode 100644 WhackerLinkConsoleV2/QuickCallPage.xaml.cs
 create mode 100644 WhackerLinkConsoleV2/ToneGenerator.cs

diff --git a/WhackerLinkConsoleV2/ChannelBox.xaml b/WhackerLinkConsoleV2/ChannelBox.xaml
index 0c5153f..4c5338a 100644
--- a/WhackerLinkConsoleV2/ChannelBox.xaml
+++ b/WhackerLinkConsoleV2/ChannelBox.xaml
@@ -18,6 +18,8 @@
 
             <Button Content="PTT" Width="80" Margin="0,5,0,0" Background="Green" Foreground="White" Name="PttButton"
                     HorizontalAlignment="Left" Grid.Row="3" Click="PTTButton_Click"/>
+            <Button Content="Page Select" Width="80" Margin="80,5,0,0" Background="Green" Foreground="White" Name="PageSelectButton"
+                    HorizontalAlignment="Left" Grid.Row="3" Click="PageSelectButton_Click"/>
         </Grid>
     </Border>
 </UserControl>
diff --git a/WhackerLinkConsoleV2/ChannelBox.xaml.cs b/WhackerLinkConsoleV2/ChannelBox.xaml.cs
index 6c1d6b7..ab810af 100644
--- a/WhackerLinkConsoleV2/ChannelBox.xaml.cs
+++ b/WhackerLinkConsoleV2/ChannelBox.xaml.cs
@@ -30,12 +30,15 @@ namespace WhackerLinkConsoleV2.Controls
     {
         private readonly SelectedChannelsManager _selectedChannelsManager;
         private bool _pttState;
+        private bool _pageState;
         private bool _emergency;
         private string _lastSrcId = "0";
 
         public FlashingBackgroundManager _flashingBackgroundManager;
 
         public event EventHandler<ChannelBox> PTTButtonClicked;
+        public event EventHandler<ChannelBox> PageButtonClicked;
+
         public event PropertyChangedEventHandler PropertyChanged;
 
         public string ChannelName { get; set; }
@@ -64,6 +67,16 @@ namespace WhackerLinkConsoleV2.Controls
             }
         }
 
+        public bool PageState
+        {
+            get => _pageState;
+            set
+            {
+                _pageState = value;
+                UpdatePageColor();
+            }
+        }
+
         public bool Emergency
         {
             get => _emergency;
@@ -136,6 +149,16 @@ namespace WhackerLinkConsoleV2.Controls
                 PttButton.Background = new SolidColorBrush(Colors.Green);
         }
 
+        private void UpdatePageColor()
+        {
+            if (IsEditMode) return;
+
+            if (PageState)
+                PageSelectButton.Background = new SolidColorBrush(Colors.Orange);
+            else
+                PageSelectButton.Background = new SolidColorBrush(Colors.Green);
+        }
+
         private void UpdateBackground()
         {
             Background = IsSelected ? Brushes.DodgerBlue : Brushes.DarkGray;
@@ -147,9 +170,15 @@ namespace WhackerLinkConsoleV2.Controls
             PTTButtonClicked.Invoke(sender, this);
         }
 
+        private void PageSelectButton_Click(object sender, RoutedEventArgs e)
+        {
+            PageState = !PageState;
+            PageButtonClicked.Invoke(sender, this);
+        }
+
         protected virtual void OnPropertyChanged(string propertyName)
         {
             PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-        }   
+        }
     }
 }
diff --git a/WhackerLinkConsoleV2/DigitalPageWindow.xaml.cs b/WhackerLinkConsoleV2/DigitalPageWindow.xaml.cs
index 0110573..f1e68e5 100644
--- a/WhackerLinkConsoleV2/DigitalPageWindow.xaml.cs
+++ b/WhackerLinkConsoleV2/DigitalPageWindow.xaml.cs
@@ -1,16 +1,24 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+/*
+* WhackerLink - WhackerLinkConsoleV2
+*
+* This program 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.
+*
+* This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+* 
+* Copyright (C) 2024 Caleb, K4PHP
+* 
+*/
+
 using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Shapes;
 using WhackerLinkLib.Models.Radio;
 
 namespace WhackerLinkConsoleV2
diff --git a/WhackerLinkConsoleV2/MainWindow.xaml b/WhackerLinkConsoleV2/MainWindow.xaml
index 96218f7..80190b2 100644
--- a/WhackerLinkConsoleV2/MainWindow.xaml
+++ b/WhackerLinkConsoleV2/MainWindow.xaml
@@ -24,6 +24,7 @@
             </MenuItem>
             <MenuItem Header="Page">
                 <MenuItem Header="P25 Page" Click="P25Page_Click" />
+                <MenuItem Header="Manual QC2" Click="ManualPage_Click" />
             </MenuItem>
             <MenuItem Header="Clear Emergency" Click="ClearEmergency_Click" />
         </Menu>
diff --git a/WhackerLinkConsoleV2/MainWindow.xaml.cs b/WhackerLinkConsoleV2/MainWindow.xaml.cs
index dabfd9f..9500367 100644
--- a/WhackerLinkConsoleV2/MainWindow.xaml.cs
+++ b/WhackerLinkConsoleV2/MainWindow.xaml.cs
@@ -38,6 +38,8 @@ using NAudio.Wave;
 using WhackerLinkLib.Interfaces;
 using WhackerLinkLib.Models.IOSP;
 using Nancy;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Binders;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement.ProgressBar;
 
 namespace WhackerLinkConsoleV2
 {
@@ -251,6 +253,7 @@ namespace WhackerLinkConsoleV2
                         }
 
                         channelBox.PTTButtonClicked += ChannelBox_PTTButtonClicked;
+                        channelBox.PageButtonClicked += ChannelBox_PageButtonClicked;
 
                         channelBox.MouseLeftButtonDown += ChannelBox_MouseLeftButtonDown;
                         channelBox.MouseMove += ChannelBox_MouseMove;
@@ -347,8 +350,23 @@ namespace WhackerLinkConsoleV2
                                     $"Selected Output Device Index: {outputDeviceIndex}",
                                     "Selected Devices");
 
-                    _waveIn.DeviceNumber = inputDeviceIndex.Value;
-                    _waveOut.DeviceNumber = outputDeviceIndex.Value;
+                    try
+                    {
+                        _waveIn.StopRecording();
+                        _waveIn.DeviceNumber = inputDeviceIndex.Value;
+                        _waveIn.StartRecording();
+
+                        _waveOut.Stop();
+                        _waveOut.DeviceNumber = outputDeviceIndex.Value;
+                        _waveOut.Init(_waveProvider);
+                        _waveOut.Play();
+
+                        MessageBox.Show("Audio devices updated successfully.", "Success");
+                    }
+                    catch (Exception ex)
+                    {
+                        MessageBox.Show($"Failed to update audio devices: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
                 }
                 else
                 {
@@ -368,6 +386,59 @@ namespace WhackerLinkConsoleV2
             }
         }
 
+        private void ManualPage_Click(object sender, RoutedEventArgs e)
+        {
+            QuickCallPage pageWindow = new QuickCallPage();
+            pageWindow.Owner = this;
+            if (pageWindow.ShowDialog() == true)
+            {
+                foreach (ChannelBox channel in _selectedChannelsManager.GetSelectedChannels())
+                {
+                    Codeplug.System system = Codeplug.GetSystemForChannel(channel.ChannelName);
+                    Codeplug.Channel cpgChannel = Codeplug.GetChannelByName(channel.ChannelName);
+                    IWebSocketHandler handler = _webSocketManager.GetWebSocketHandler(system.Name);
+
+                    if (channel.PageState)
+                    {
+                        ToneGenerator generator = new ToneGenerator();
+
+                        byte[] toneA = generator.GenerateTone(Double.Parse(pageWindow.ToneA), 1.0);
+                        byte[] toneB = generator.GenerateTone(Double.Parse(pageWindow.ToneB), 3.0);
+
+                        byte[] combinedAudio = new byte[toneA.Length + toneB.Length];
+                        Buffer.BlockCopy(toneA, 0, combinedAudio, 0, toneA.Length);
+                        Buffer.BlockCopy(toneB, 0, combinedAudio, toneA.Length, toneB.Length);
+
+                        int chunkSize = 1600;
+                        int totalChunks = (combinedAudio.Length + chunkSize - 1) / chunkSize;
+
+                        Task.Factory.StartNew(() =>
+                        {
+                            _waveProvider.ClearBuffer();
+                            _waveProvider.AddSamples(combinedAudio, 0, combinedAudio.Length);
+                        });
+
+                        for (int i = 0; i < totalChunks; i++)
+                        {
+                            int offset = i * chunkSize;
+                            int size = Math.Min(chunkSize, combinedAudio.Length - offset);
+
+                            byte[] chunk = new byte[size];
+                            Buffer.BlockCopy(combinedAudio, offset, chunk, 0, size);
+
+                            handler.SendMessage(PacketFactory.CreateVoicePacket(system.Rid, cpgChannel.Tgid, channel.VoiceChannel, chunk, system.Site));
+                        }
+
+                        handler.SendMessage(PacketFactory.CreateVoiceChannelRelease(system.Rid, cpgChannel.Tgid, channel.VoiceChannel, system.Site));
+                        Dispatcher.Invoke(() =>
+                        {
+                            channel.PageSelectButton.Background = Brushes.Green;
+                        });
+                    }
+                }
+            }
+        }
+
         private void SelectWidgets_Click(object sender, RoutedEventArgs e)
         {
             WidgetSelectionWindow widgetSelectionWindow = new WidgetSelectionWindow();
@@ -468,6 +539,9 @@ namespace WhackerLinkConsoleV2
                     {
                         channel.Background = new SolidColorBrush(Colors.DarkCyan);
                     });
+                } else if (channel.PageState && response.Status == (int)ResponseType.GRANT && response.Channel != null && response.SrcId == system.Rid && response.DstId == cpgChannel.Tgid)
+                {
+                    channel.VoiceChannel = response.Channel;
                 }
                 else
                 {
@@ -485,6 +559,22 @@ namespace WhackerLinkConsoleV2
             }
         }
 
+        private void ChannelBox_PageButtonClicked(object sender, ChannelBox e)
+        {
+            Codeplug.System system = Codeplug.GetSystemForChannel(e.ChannelName);
+            Codeplug.Channel cpgChannel = Codeplug.GetChannelByName(e.ChannelName);
+            IWebSocketHandler handler = _webSocketManager.GetWebSocketHandler(system.Name);
+
+            if (e.PageState)
+                handler.SendMessage(PacketFactory.CreateVoiceChannelRequest(system.Rid, cpgChannel.Tgid, system.Site));
+            else
+            {
+                //_stopSending = true;
+                handler.SendMessage(PacketFactory.CreateVoiceChannelRelease(system.Rid, cpgChannel.Tgid, e.VoiceChannel, system.Site));
+                e.VoiceChannel = null;
+            }
+        }
+
         private void ChannelBox_PTTButtonClicked(object sender, ChannelBox e)
         {
             Codeplug.System system = Codeplug.GetSystemForChannel(e.ChannelName);
diff --git a/WhackerLinkConsoleV2/QuickCallPage.xaml b/WhackerLinkConsoleV2/QuickCallPage.xaml
new file mode 100644
index 0000000..e7a4151
--- /dev/null
+++ b/WhackerLinkConsoleV2/QuickCallPage.xaml
@@ -0,0 +1,17 @@
+<Window x:Class="WhackerLinkConsoleV2.QuickCallPage"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:WhackerLinkConsoleV2"
+        mc:Ignorable="d"
+        Title="Manual QC2 Page" Height="300" Width="300">
+    <Grid>
+        <Button Content="Send" HorizontalAlignment="Center" Margin="0,157,0,0" Name="SendButton" VerticalAlignment="Top" Click="SendButton_Click"/>
+        <TextBox HorizontalAlignment="Left" Margin="115,96,0,0" TextWrapping="Wrap" Text="" Name="ToneAText" VerticalAlignment="Top" Width="120"/>
+        <TextBox HorizontalAlignment="Left" Margin="115,123,0,0" TextWrapping="Wrap" Text="" Name="ToneBText" VerticalAlignment="Top" Width="120"/>
+        <Label Content="A Tone:" HorizontalAlignment="Left" Margin="66,89,0,0" VerticalAlignment="Top"/>
+        <Label Content="B Tone:" HorizontalAlignment="Left" Margin="67,116,0,0" VerticalAlignment="Top"/>
+
+    </Grid>
+</Window>
diff --git a/WhackerLinkConsoleV2/QuickCallPage.xaml.cs b/WhackerLinkConsoleV2/QuickCallPage.xaml.cs
new file mode 100644
index 0000000..2bdcb48
--- /dev/null
+++ b/WhackerLinkConsoleV2/QuickCallPage.xaml.cs
@@ -0,0 +1,47 @@
+/*
+* WhackerLink - WhackerLinkConsoleV2
+*
+* This program 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.
+*
+* This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+* 
+* Copyright (C) 2024 Caleb, K4PHP
+* 
+*/
+
+using System.Windows;
+
+namespace WhackerLinkConsoleV2
+{
+    /// <summary>
+    /// Interaction logic for QuickCallPage.xaml
+    /// </summary>
+    public partial class QuickCallPage : Window
+    {
+        public string ToneA;
+        public string ToneB;
+
+        public QuickCallPage()
+        {
+            InitializeComponent();
+        }
+
+        private void SendButton_Click(object sender, RoutedEventArgs e)
+        {
+            ToneA = ToneAText.Text;
+            ToneB = ToneBText.Text;
+
+            DialogResult = true;
+            Close();
+        }
+    }
+}
diff --git a/WhackerLinkConsoleV2/ToneGenerator.cs b/WhackerLinkConsoleV2/ToneGenerator.cs
new file mode 100644
index 0000000..1f24136
--- /dev/null
+++ b/WhackerLinkConsoleV2/ToneGenerator.cs
@@ -0,0 +1,100 @@
+/*
+* WhackerLink - WhackerLinkConsoleV2
+*
+* This program 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.
+*
+* This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+* 
+* Copyright (C) 2024 Caleb, K4PHP
+* 
+*/
+
+using NAudio.Wave;
+
+namespace WhackerLinkConsoleV2
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public class ToneGenerator
+    {
+        private readonly int _sampleRate = 8000;
+        private readonly int _bitsPerSample = 16;
+        private readonly int _channels = 1;
+        private WaveOutEvent _waveOut;
+        private BufferedWaveProvider _waveProvider;
+
+        /// <summary>
+        /// Creates an instance of <see cref="ToneGenerator"/>
+        /// </summary>
+        public ToneGenerator()
+        {
+            _waveOut = new WaveOutEvent();
+            _waveProvider = new BufferedWaveProvider(new WaveFormat(_sampleRate, _bitsPerSample, _channels));
+            _waveOut.Init(_waveProvider);
+        }
+
+        /// <summary>
+        /// Generate a sine wave tone at the specified frequency and duration.
+        /// </summary>
+        /// <param name="frequency">Frequency in Hz</param>
+        /// <param name="durationSeconds">Duration in seconds</param>
+        /// <returns>PCM data as a byte array</returns>
+        public byte[] GenerateTone(double frequency, double durationSeconds)
+        {
+            int sampleCount = (int)(_sampleRate * durationSeconds);
+            byte[] buffer = new byte[sampleCount * (_bitsPerSample / 8)];
+
+            for (int i = 0; i < sampleCount; i++)
+            {
+                double time = (double)i / _sampleRate;
+                short sampleValue = (short)(Math.Sin(2 * Math.PI * frequency * time) * short.MaxValue);
+
+                buffer[i * 2] = (byte)(sampleValue & 0xFF);
+                buffer[i * 2 + 1] = (byte)((sampleValue >> 8) & 0xFF);
+            }
+
+            return buffer;
+        }
+
+        /// <summary>
+        /// Play the generated tone through the speakers.
+        /// </summary>
+        /// <param name="frequency">Frequency in Hz</param>
+        /// <param name="durationSeconds">Duration in seconds</param>
+        public void PlayTone(double frequency, double durationSeconds)
+        {
+            byte[] toneData = GenerateTone(frequency, durationSeconds);
+
+            _waveProvider.ClearBuffer();
+            _waveProvider.AddSamples(toneData, 0, toneData.Length);
+
+            _waveOut.Play();
+        }
+
+        /// <summary>
+        /// Stop playback.
+        /// </summary>
+        public void StopTone()
+        {
+            _waveOut.Stop();
+        }
+
+        /// <summary>
+        /// Dispose of resources.
+        /// </summary>
+        public void Dispose()
+        {
+            _waveOut.Dispose();
+        }
+    }
+}