SmartMatrix APA102 Library / Open Hardware Photon APA102 Shield

[kasper]

Hi Louis,

I've modified the DotStar library so I could use the DMA based SPI transfer:

GitHub - kasperkamperman/Particle-DotStar: An Implementation of Adafruit's...

I opened another topic for an issue I have with this:

Use (SPI.transfer) callback function in library

I'm modifying the Particle Adafruit Dotstar library so to use the DMA based transfer (https://docs.particle.io/reference/firmware/photon/#transfer-) I try implementing a callback code (from this topic: Bug in SPI block transfer complete callback ). However I get the error: invalid use of non-static member function I tried to put static in front of the function. However I probably do something wrong, because I'll get an error like: cannot declare member function 'static void Adafruit_DotS…

Thank you for making me aware of the DMA support of the Photon. I've learned a lot from your code.