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MidiView.cs
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using System;
using System.ComponentModel;
using System.IO;
using System.Windows.Forms;
using SDRSharp.Common;
using SDRSharp.Radio;
using Sanford.Multimedia;
using Sanford.Multimedia.Midi;
using System.Threading;
namespace SDRSharp.MidiControl
{
[DesignTimeVisible(true)]
[Category("SDRSharp")]
[Description("MidiControl")]
public partial class MidiView : UserControl
{
private const int SysExBufferSize = 128;
private InputDevice inDevice = null;
private SynchronizationContext context;
private int steppi = 0; //left bar steps: 1 = 1hz; 2= 1hz; 3= 100hz; 4= 1Khz; 5= stepsize from gui
private ISharpControl _controlInterface;
public MidiView(ISharpControl control)
{
InitializeComponent();
_controlInterface = control;
}
private void lautleise(double pegel)
{
var midiEntry = new MidiEntry();
double range = 34.0;
double max_in = 127.0;
double min_scal = 26.0;
var scal = min_scal + (range / max_in * pegel);
if (pegel != 0)
{
midiEntry.Audiogain = (int)Math.Truncate(scal);
_controlInterface.AudioGain = midiEntry.Audiogain;
}
}
public void leftVfo(int freq)
{
var midiEntry = new MidiEntry();
long step = 1;
midiEntry.Frequency = _controlInterface.Frequency;
midiEntry.Stepsize = _controlInterface.StepSize;
switch (steppi)
{
case 1:
step = 1;
break;
case 2:
step = 100;
break;
case 3:
step = 1000;
break;
case 4:
step = 10000;
break;
case 5:
step = midiEntry.Stepsize;
break;
case 6:
step = midiEntry.Stepsize;
break;
default:
step = midiEntry.Stepsize;
break;
}
if (freq == 1)
{
_controlInterface.Frequency = midiEntry.Frequency + step;
}
else
{
_controlInterface.Frequency = midiEntry.Frequency - step;
}
}
public void bandbreite(int pegel)
{
var midiEntry = new MidiEntry();
midiEntry.Bandbreite = _controlInterface.FilterBandwidth;
if (pegel == 127 && midiEntry.Bandbreite > 10)
{
_controlInterface.FilterBandwidth = midiEntry.Bandbreite - 10;
}
else if (pegel != 127 && midiEntry.Bandbreite < 32000)
{
_controlInterface.FilterBandwidth = midiEntry.Bandbreite + 10;
}
}
public void fineTunigFreq(int pegel)
{
var midiEntry = new MidiEntry();
midiEntry.Frequency = _controlInterface.Frequency;
if (pegel == 127)
{
_controlInterface.Frequency = midiEntry.Frequency - 1;
}
else
{
_controlInterface.Frequency = midiEntry.Frequency + 1;
}
}
public void bandType(int pegel)
{
var midiEntry = new MidiEntry();
midiEntry.DetectorType = _controlInterface.DetectorType;
if (pegel == 1)
{
switch (midiEntry.DetectorType)
{
case DetectorType.NFM:
_controlInterface.DetectorType = DetectorType.AM;
break;
case DetectorType.AM:
_controlInterface.DetectorType = DetectorType.LSB;
break;
case DetectorType.LSB:
_controlInterface.DetectorType = DetectorType.USB;
break;
case DetectorType.USB:
_controlInterface.DetectorType = DetectorType.WFM;
break;
case DetectorType.WFM:
_controlInterface.DetectorType = DetectorType.DSB;
break;
case DetectorType.DSB:
_controlInterface.DetectorType = DetectorType.CW;
break;
case DetectorType.CW:
_controlInterface.DetectorType = DetectorType.RAW;
break;
case DetectorType.RAW:
_controlInterface.DetectorType = DetectorType.NFM;
break;
}
}
else
{
switch (midiEntry.DetectorType)
{
case DetectorType.NFM:
_controlInterface.DetectorType = DetectorType.RAW;
break;
case DetectorType.RAW:
_controlInterface.DetectorType = DetectorType.CW;
break;
case DetectorType.CW:
_controlInterface.DetectorType = DetectorType.DSB;
break;
case DetectorType.DSB:
_controlInterface.DetectorType = DetectorType.WFM;
break;
case DetectorType.WFM:
_controlInterface.DetectorType = DetectorType.USB;
break;
case DetectorType.USB:
_controlInterface.DetectorType = DetectorType.LSB;
break;
case DetectorType.LSB:
_controlInterface.DetectorType = DetectorType.AM;
break;
case DetectorType.AM:
_controlInterface.DetectorType = DetectorType.NFM;
break;
}
}
}
private void startStop(int pegel)
{
var midiEntry = new MidiEntry();
midiEntry.Startstop = _controlInterface.IsPlaying;
if (pegel == 127)
{
if (midiEntry.Startstop == true)
{
_controlInterface.StopRadio();
}
else
{
_controlInterface.StartRadio();
}
}
}
private void HandleChannelMessageReceived(object sender, ChannelMessageEventArgs e)
{
context.Post(delegate (object dummy)
{
// Console.WriteLine(e.Message.Data1.ToString()+" - "+ e.Message.Data2.ToString());
if (e.Message.Data1 == 52)
{
double range = 5;
double max_in = 127.0;
double min_scal = 1;
var scal = min_scal + (range / max_in * e.Message.Data2);
steppi = (int)scal;
}
switch (e.Message.Data1)
{
case 56:
lautleise(e.Message.Data2);
break;
case 48:
leftVfo(e.Message.Data2);
break;
case 49:
bandbreite(e.Message.Data2);
break;
case 50:
fineTunigFreq(e.Message.Data2);
break;
case 51:
bandType(e.Message.Data2);
break;
case 19:
startStop(e.Message.Data2);
break;
default:
Console.WriteLine("Kein Funktion für diese Eingabe angelegt!", "Error");
break;
}
}, null);
}
public void OnClosed()
{
if (inDevice != null)
{
inDevice.Close();
}
}
private void checkBox1_CheckedChanged(object sender, EventArgs e)
{
if (checkBox1.Checked == true)
{
if (InputDevice.DeviceCount == 0)
{
MessageBox.Show("No MIDI input devices available.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Stop);
checkBox1.Checked = false;
}
else
{
try
{
context = SynchronizationContext.Current;
inDevice = new InputDevice(0);
inDevice.ChannelMessageReceived += HandleChannelMessageReceived;
inDevice.StartRecording();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Stop);
checkBox1.Checked = false;
}
}
}
else
{
inDevice.StopRecording();
inDevice.Reset();
inDevice.Close();
}
}
}
}