DerekR
Senior Member

@MarkT I'd be interested to know how (and try) to do it. DMA? Certainly I can see a processor based frame buffer, but just writing a 256x(say)80 screen region pixel by pixel with 16 bit pixels and SPI speed seems...

@Clarkie1234 I sent you a very brief reply to your PM suggesting we correspond via email. I have a working 44.1kHz wide spectrum display for my audioSDR that works with Teensy 4.0/4.1, but I haven't even tried to put...