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As reported in issue #1, the library throws following System.ArgumentException when using .NET Core.
Unhandled Exception: System.ArgumentException: Object contains non-primitive or non-blittable data.
at System.Runtime.InteropServices.GCHandle.InternalAlloc(Object value, GCHandleType type)
at System.Runtime.InteropServices.GCHandle.Alloc(Object value, GCHandleType type)
at rpi_ws281x.WS281x..ctor(Settings settings) in /home/daniel/Documents/RPI/rpi-ws281x-csharp/src/rpi_ws281x/WS281x.cs:line 28
at TestAppCore.ColorWipe.Execute(AbortRequest request) in /home/daniel/Documents/RPI/rpi-ws281x-csharp/src/TestAppCore/ColorWipe.cs:line 27
at TestAppCore.Program.Main(String[] args) in /home/daniel/Documents/RPI/rpi-ws281x-csharp/src/TestAppCore/Program.cs:line 38
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DanielSSilva commentedon Jun 5, 2018
As stated here , your code works because there's a bug on mono (how ironic is that right?). Later I'll try the given solution and report back here
DanielSSilva commentedon Jun 5, 2018
I've got it working. Basically I've done what they suggested, removed the array and set 2 fields
tillig commentedon Jan 28, 2019
@DanielSSilva I'm coming in late to this, but are you saying you changed
ws2811_t
to look like this?I did that and got past the blittable error and am now into some invalid GPIO pin errors, but that may just mean me having to work through required changes based on the above. Just wanted to make sure I'm on the right track.
Attempting to fix the "non-blittable data" problem as outlined in the…
DanielSSilva commentedon Jan 28, 2019
Hello @tillig. IIRC what I've done was something like that yes.
https://github.com/rpi-ws281x/rpi-ws281x-powershell/blob/master/src/Native/ws2811_t.cs#L16-L17
On that repo there's this project but with that small change on my side. Although that seemed to work, I've had some segmentation fault errors :(
I haven't got back to it, but if you need any help ping me!
tillig commentedon Jan 28, 2019
@DanielSSilva Awesome, thanks! I'm going to continue muscling through and will ping you if needed - I appreciate that offer.
Update Native and WS281x from rpi-ws281x/rpi-ws281x-powershell