/// <summary>
/// Initializes a new <see cref="Neopixel" /> instance.
/// </summary>
/// <param name="ledCount">The count of leds.</param>
/// <param name="pin">The GPIO pin index connected to the display signal line.</param>
/// <param name="stripType">The strip type to use.</param>
/// <param name="frequency">The frequency of the display signal.</param>
/// <param name="dma">The DMA channel to use.</param>
/// <param name="invert">Whether the signal line should be inverted</param>
/// <param name="brightness">The overall brightness.</param>
/// <param name="channel">The PWM channel to use</param>
public Neopixel(int ledCount, int pin, int stripType, uint frequency = 800000, int dma = 10,
bool invert = false, byte brightness = 255, int channel = 0)
{
_leds = new ws2811_t();
// Initialize the channels to zero
for (var i = 0; i < 2; i++)
{
var chan = rpi_ws281x.ws2811_channel_get(_leds, i);
var chanRef = ws2811_channel_t.getCPtr(chan);
rpi_ws281xPINVOKE.ws2811_channel_t_count_set(chanRef, 0);
rpi_ws281xPINVOKE.ws2811_channel_t_gpionum_set(chanRef, 0);
rpi_ws281xPINVOKE.ws2811_channel_t_invert_set(chanRef, 0);
rpi_ws281xPINVOKE.ws2811_channel_t_brightness_set(chanRef, 0);
}
// Initialize the channel in use
_channel = rpi_ws281x.ws2811_channel_get(_leds, channel);
var channelRef = ws2811_channel_t.getCPtr(_channel);
rpi_ws281xPINVOKE.ws2811_channel_t_count_set(channelRef, ledCount);
rpi_ws281xPINVOKE.ws2811_channel_t_gpionum_set(channelRef, pin);
rpi_ws281xPINVOKE.ws2811_channel_t_invert_set(channelRef, Convert.ToInt32(invert));
rpi_ws281xPINVOKE.ws2811_channel_t_brightness_set(channelRef, brightness);
rpi_ws281xPINVOKE.ws2811_channel_t_strip_type_set(channelRef, stripType);
// Initialize the controller
var ledRef = ws2811_t.getCPtr(_leds);
rpi_ws281xPINVOKE.ws2811_t_freq_set(ledRef, frequency);
rpi_ws281xPINVOKE.ws2811_t_dmanum_set(ledRef, dma);
//Grab the led data array.
LedList = new LedList(_channel);
}
public LedStripControl()
{
//init the LED Colors
for (byte x = 0; x < 13; x++)
{
LED led = new LED(x);
led.Color = DisplayedColor;
LedList.Add(led);
}
InitializeComponent();
//thread that updates the LEDs
new Thread(() =>
{
int currentLed = 0;
byte currentColor = 0;
byte red = 0;
byte green = 0;
byte blue = 0;
while (true)
{
if (((MainWindow.ActiveWindow.IsMinimized || mode != MainWindow.ActiveWindow.SelectedMode) && !isMusicMode) || (isMusicMode && MainWindow.ActiveWindow.SelectedMode != "Music"))
{
Thread.Sleep(100);
continue;
}
//set the correct mode arguments if it's the music preview
if (isMusicMode)
{
this.Dispatcher.Invoke(() =>
{
switch (mode)
{
case "Static":
DisplayedColor = new SolidColorBrush(Color.FromArgb(brightness, MainWindow.ActiveWindow.modeStatic.SelectedColor.R,
MainWindow.ActiveWindow.modeStatic.SelectedColor.G, MainWindow.ActiveWindow.modeStatic.SelectedColor.B));
speed = 10;
break;
case "Cycle":
speed = MainWindow.ActiveWindow.modeCycle.Speed;
break;
case "Rainbow":
Speed = MainWindow.ActiveWindow.modeRainbow.Speed;
break;
case "Color Overlay":
speed = MainWindow.ActiveWindow.modeOverlay.Speed;
break;
}
});
}
if (mode == "Rainbow")
{
foreach (LED led in LedList)
{
if (!led.RainbowIsInit)
{
led.InitRainbow();
}
led.CycleColor(brightness);
}
}
else if (mode == "Cycle")
{
//get the color from the first led and apply it to all others
if (!LedList[0].RainbowIsInit)
{
LedList[0].InitRainbow();
}
LedList[0].CycleColor(brightness);
for (int x = 1; x < LedList.Count; x++)
{
LedList[x].Color = LedList[0].Color;
}
}
else if (mode == "Color Overlay")
{
if (currentLed == LedList.Count || currentLed == -1)
{
if (direction == 0)
{
currentLed = LedList.Count - 1;
}
else
{
currentLed = 0;
}
currentColor++;
switch (currentColor)
{
case 0:
red = 255;
green = 0;
blue = 0;
break;
case 1:
red = 255;
green = 127;
blue = 0;
break;
case 2:
red = 255;
green = 255;
blue = 0;
break;
case 3:
red = 127;
green = 255;
blue = 0;
break;
case 4:
red = 0;
green = 255;
blue = 0;
break;
case 5:
red = 0;
green = 255;
blue = 127;
break;
case 6:
red = 0;
green = 255;
blue = 255;
break;
case 7:
red = 0;
green = 127;
blue = 255;
break;
case 8:
red = 0;
green = 0;
blue = 255;
break;
case 9:
red = 127;
green = 0;
blue = 255;
break;
case 10:
red = 255;
green = 0;
blue = 255;
break;
case 11:
red = 255;
green = 0;
blue = 127;
break;
case 12:
currentColor = 0;
continue;
}
}
LedList[currentLed].Color = new SolidColorBrush(Color.FromArgb(brightness, red, green, blue));
if (direction == 0)
{
currentLed--;
}
else
{
currentLed++;
}
}
else if (mode == "Lightning")
{
if (currentLed == LedList.Count + 20 || currentLed == -20)
{
if (direction == 0)
{
currentLed = LedList.Count - 1;
}
else
{
currentLed = 0;
}
}
for (int x = 0; x < LedList.Count; x++)
{
if (x == currentLed)
{
LedList[x].Color = new SolidColorBrush(Color.FromRgb(displayedRed, displayedGreen, displayedBlue));
}
else
{
LedList[x].Color = new SolidColorBrush(Color.FromRgb(0, 0, 0));
}
}
if (direction == 0)
{
currentLed--;
}
else
{
currentLed++;
}
}
OnPropertyChanged("LedList");
Thread.Sleep(speed + 1);
}
})
{
IsBackground = true
}.Start();
}