public static byte[] GenWS2812(Color[] cc)
{
UInt32 count = 0;
if (cc.Length > 0)
{
byte[] data = new byte[cc.Length * 4 * 2];
foreach (Color c in cc)
{
byte r = (byte)(c.R * c.ScA);
byte g = (byte)(c.G * c.ScA);
byte b = (byte)(c.B * c.ScA);
LedData led = new LedData()
{
addr = count, color = (UInt32)(r + (g << 8) + (b << 16))
};
byte[] data_b = getBytes(led);
data_b.CopyTo(data, count * 4 * 2);
count++;
}
return(data);
}
return(null);
}
static byte[] getBytes(LedData str)
{
int size = Marshal.SizeOf(str);
byte[] arr = new byte[size];
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(str, ptr, true);
Marshal.Copy(ptr, arr, 0, size);
Marshal.FreeHGlobal(ptr);
return(arr);
}
