AudioCallback priority

[tunagenes]

Hi @KnightHill - if you haven’t already seen it, this post and the thread above it may shed some light for you:

Can I bring the Daisy to its knees?

In a RTOS, you would have actual threads and the processor switches between them to realise multi tasking. On the Daisy, there are no threads, but you can still do multitasking with interrupts. The main() function is a little bit like an “idle thread” because it will be executed when nothing more urgent needs to be done. Then there are multiple interrupt sources that can trigger an interrupt service routine (ISR; also called interrupt request, IRQ). These ISRs will interrupt the main function, …