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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Midi;
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namespace LaunchpadNET
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{
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public class Interface
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{
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private Pitch[,] notes = new Pitch[8, 8] {
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{ Pitch.A5, Pitch.ASharp5, Pitch.B5, Pitch.C6, Pitch.CSharp6, Pitch.D6, Pitch.DSharp6, Pitch.E6 },
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{ Pitch.B4, Pitch.C5, Pitch.CSharp5, Pitch.D5, Pitch.DSharp5, Pitch.E5, Pitch.F5, Pitch.FSharp5 },
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{ Pitch.CSharp4, Pitch.D4, Pitch.DSharp4, Pitch.E4, Pitch.F4, Pitch.FSharp4, Pitch.G4, Pitch.GSharp4 },
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{ Pitch.DSharp3, Pitch.E3, Pitch.F3, Pitch.FSharp3, Pitch.G3, Pitch.GSharp3, Pitch.A3, Pitch.ASharp3 },
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{ Pitch.F2, Pitch.FSharp2, Pitch.G2, Pitch.GSharp2, Pitch.A2, Pitch.ASharp2, Pitch.B2, Pitch.C3 },
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{ Pitch.G1, Pitch.GSharp1, Pitch.A1, Pitch.ASharp1, Pitch.B1, Pitch.C2, Pitch.CSharp2, Pitch.D2 },
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{ Pitch.A0, Pitch.ASharp0, Pitch.B0, Pitch.C1, Pitch.CSharp1, Pitch.D1, Pitch.DSharp1, Pitch.E1 },
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{ Pitch.BNeg1, Pitch.C0, Pitch.CSharp0, Pitch.D0, Pitch.DSharp0, Pitch.E0, Pitch.F0, Pitch.FSharp0 }
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};
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private Pitch[] rightLEDnotes = new Pitch[] {
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Pitch.F6, Pitch.G5, Pitch.A4, Pitch.B3, Pitch.CSharp3, Pitch.DSharp2, Pitch.F1, Pitch.G0
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};
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public InputDevice targetInput;
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public OutputDevice targetOutput;
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public delegate void LaunchpadKeyEventHandler(object source, LaunchpadKeyEventArgs e);
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public delegate void LaunchpadCCKeyEventHandler(object source, LaunchpadCCKeyEventArgs e);
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/// <summary>
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/// Event Handler when a Launchpad Key is pressed.
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/// </summary>
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public event LaunchpadKeyEventHandler OnLaunchpadKeyPressed;
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public event LaunchpadCCKeyEventHandler OnLaunchpadCCKeyPressed;
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public class LaunchpadCCKeyEventArgs : EventArgs
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{
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private int val;
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public LaunchpadCCKeyEventArgs(int _val)
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{
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val = _val;
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}
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public int GetVal()
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{
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return val;
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}
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}
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/// <summary>
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/// EventArgs for pressed Launchpad Key
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/// </summary>
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public class LaunchpadKeyEventArgs : EventArgs
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{
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private int x;
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private int y;
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public LaunchpadKeyEventArgs(int _pX, int _pY)
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{
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x = _pX;
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y = _pY;
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}
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public int GetX()
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{
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return x;
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}
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public int GetY()
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{
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return y;
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}
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}
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/// <summary>
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/// Creates a text scroll.
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/// </summary>
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/// <param name="text"></param>
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/// <param name="speed"></param>
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/// <param name="looping"></param>
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/// <param name="velo"></param>
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public void createTextScroll(string text, int speed, bool looping, int velo)
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{
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byte[] sysexHeader = { 240, 00, 32, 41, 2, 4 };
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byte[] sysexStop = { 247 };
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byte operation = 20;
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byte _velocity = (byte)velo;
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byte _speed = (byte)speed;
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byte _loop = Convert.ToByte(looping);
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byte[] _text = { };
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byte[] finalArgs = { operation, _velocity, _loop, _speed };
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List<byte> charList = new List<byte>();
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foreach(char c in text)
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{
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int unicode = c;
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if (unicode < 128)
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charList.Add(Convert.ToByte(unicode));
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}
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_text = charList.ToArray();
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byte[] finalBytes = sysexHeader.Concat(finalArgs.Concat(_text.Concat(sysexStop))).ToArray();
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targetOutput.SendSysEx(finalBytes);
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}
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public void stopLoopingTextScroll()
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{
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byte[] stop = { 240, 0, 32, 41, 2, 24, 20, 247 };
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targetOutput.SendSysEx(stop);
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}
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private void sysExAnswer(SysExMessage m)
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{
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byte[] msg = m.Data;
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byte[] stopBytes = { 240, 0, 32, 41, 2, 24, 21, 247 };
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}
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private void midiPress(Midi.NoteOnMessage msg)
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{
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if (OnLaunchpadKeyPressed != null && !rightLEDnotes.Contains(msg.Pitch))
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{
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OnLaunchpadKeyPressed(this, new LaunchpadKeyEventArgs(midiNoteToLed(msg.Pitch)[0], midiNoteToLed(msg.Pitch)[1]));
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}
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else if (OnLaunchpadKeyPressed != null && rightLEDnotes.Contains(msg.Pitch))
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{
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OnLaunchpadCCKeyPressed(this, new LaunchpadCCKeyEventArgs(midiNoteToSideLED(msg.Pitch)));
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}
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}
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public int midiNoteToSideLED(Pitch p)
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{
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for (int y = 0; y <= 7; y++)
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{
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if (rightLEDnotes[y] == p)
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{
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return y;
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}
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}
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return 0;
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}
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/// <summary>
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/// Returns the LED coordinates of a MIdi note
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/// </summary>
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/// <param name="p">The Midi Note.</param>
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/// <returns>The X,Y coordinates.</returns>
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public int[] midiNoteToLed(Pitch p)
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{
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for (int x = 0; x <= 7; x++)
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{
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for (int y = 0; y <= 7; y++)
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{
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if (notes[x,y] == p)
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{
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int[] r1 = { x, y };
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return r1;
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}
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}
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}
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int[] r2 = { 0, 0 };
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return r2;
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}
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/// <summary>
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/// Returns the equilavent Midi Note to X and Y coordinates.
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/// </summary>
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/// <param name="x">The X coordinate of the LED</param>
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/// <param name="y">The Y coordinate of the LED</param>
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/// <returns>The midi note</returns>
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public Pitch ledToMidiNote(int x, int y)
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{
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return notes[x, y];
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}
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public void clearAllLEDs()
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{
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for (int x = 0; x < 8; x++)
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{
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for (int y = 0; y < 8; y++)
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{
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setLED(x, y, 0);
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}
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}
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for (int ry = 0; ry < 8; ry++)
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{
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setSideLED(ry, 0);
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}
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for (int tx = 1; tx < 9; tx++)
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{
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setTopLEDs(tx, 0);
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}
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}
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/// <summary>
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/// Fills Top Row LEDs.
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/// </summary>
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/// <param name="startX"></param>
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/// <param name="endX"></param>
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/// <param name="velo"></param>
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public void fillTopLEDs(int startX, int endX, int velo)
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{
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for (int x = 1; x < 9; x++)
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{
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if (x >= startX && x <= endX)
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{
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setTopLEDs(x, velo);
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}
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}
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}
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/// <summary>
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/// Fills a region of Side LEDs.
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/// </summary>
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/// <param name="startY"></param>
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/// <param name="endY"></param>
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/// <param name="velo"></param>
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public void fillSideLEDs(int startY, int endY, int velo)
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{
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for (int y = 0; y < rightLEDnotes.Length; y++)
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{
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if (y >= startY && y <= endY)
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{
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setSideLED(y, velo);
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}
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}
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}
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/// <summary>
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/// Creates a rectangular mesh of LEDs.
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/// </summary>
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/// <param name="startX">Start X coordinate</param>
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/// <param name="startY">Start Y coordinate</param>
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/// <param name="endX">End X coordinate</param>
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/// <param name="endY">End Y coordinate</param>
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/// <param name="velo">Painting velocity</param>
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public void fillLEDs(int startX, int startY, int endX, int endY, int velo)
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{
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for (int x = 0; x < notes.Length; x++)
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{
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for (int y = 0; y < notes.Length; y++)
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{
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if (x >= startX && y >= startY && x <= endX && y <= endY)
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setLED(x, y, velo);
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}
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}
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}
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/// <summary>
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/// Sets a Top LED of the launchpad
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/// </summary>
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/// <param name="x"></param>
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/// <param name="velo"></param>
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public void setTopLEDs(int x, int velo)
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{
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byte[] data = { 240, 0, 32, 41, 2, 24, 10, Convert.ToByte(103+x), Convert.ToByte(velo), 247 };
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targetOutput.SendSysEx(data);
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}
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/// <summary>
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/// Sets a Side LED of the Launchpad.
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/// </summary>
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/// <param name="y">The height of the right Side LED.</param>
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/// <param name="velo">Velocity index.</param>
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public void setSideLED(int y, int velo)
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{
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targetOutput.SendNoteOn(Channel.Channel1, rightLEDnotes[y], velo);
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}
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/// <summary>
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/// Sets a LED of the Launchpad.
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/// </summary>
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/// <param name="x">The X coordinate.</param>
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/// <param name="y">The Y coordinate.</param>
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/// <param name="velo">The velocity.</param>
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public void setLED(int x, int y, int velo)
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{
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try
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{
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targetOutput.SendNoteOn(Channel.Channel1, notes[x, y], velo);
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}
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catch (Midi.DeviceException)
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{
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Console.WriteLine("<< LAUNCHPAD.NET >> Midi.DeviceException");
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throw;
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}
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}
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/// <summary>
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/// Returns all connected and installed Launchpads.
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/// </summary>
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/// <returns>Returns LaunchpadDevice array.</returns>
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public LaunchpadDevice[] getConnectedLaunchpads()
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{
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List<LaunchpadDevice> tempDevices = new List<LaunchpadDevice>();
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foreach (InputDevice id in Midi.InputDevice.InstalledDevices)
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{
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foreach (OutputDevice od in Midi.OutputDevice.InstalledDevices)
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{
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if (id.Name == od.Name)
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{
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if (id.Name.ToLower().Contains("launchpad"))
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{
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tempDevices.Add(new LaunchpadDevice(id.Name));
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}
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}
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}
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}
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return tempDevices.ToArray();
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}
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/// <summary>
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/// Function to connect with a LaunchpadDevice
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/// </summary>
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/// <param name="device">The Launchpad to connect to.</param>
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/// <returns>Returns bool if connection was successful.</returns>
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public bool connect(LaunchpadDevice device)
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{
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foreach(InputDevice id in Midi.InputDevice.InstalledDevices)
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{
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if (id.Name.ToLower() == device._midiName.ToLower())
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{
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targetInput = id;
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id.Open();
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targetInput.NoteOn += new InputDevice.NoteOnHandler(midiPress);
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|
targetInput.StartReceiving(null);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
foreach (OutputDevice od in Midi.OutputDevice.InstalledDevices)
|
|
|
|
|
{
|
|
|
|
|
if (od.Name.ToLower() == device._midiName.ToLower())
|
|
|
|
|
{
|
|
|
|
|
targetOutput = od;
|
|
|
|
|
od.Open();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true; // targetInput.IsOpen && targetOutput.IsOpen;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Disconnects a given LaunchpadDevice
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="device">The Launchpad to disconnect.</param>
|
|
|
|
|
/// <returns>Returns bool if disconnection was successful.</returns>
|
|
|
|
|
public bool disconnect(LaunchpadDevice device)
|
|
|
|
|
{
|
|
|
|
|
if (targetInput.IsOpen && targetOutput.IsOpen)
|
|
|
|
|
{
|
|
|
|
|
targetInput.StopReceiving();
|
|
|
|
|
targetInput.Close();
|
|
|
|
|
targetOutput.Close();
|
|
|
|
|
}
|
|
|
|
|
return !targetInput.IsOpen && !targetOutput.IsOpen;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public class LaunchpadDevice
|
|
|
|
|
{
|
|
|
|
|
public string _midiName;
|
|
|
|
|
//public int _midiDeviceId;
|
|
|
|
|
|
|
|
|
|
public LaunchpadDevice(string name)
|
|
|
|
|
{
|
|
|
|
|
_midiName = name;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
