I own several pi zeros with PhatDac module, great combination with moode audio 6.3!
One Pi Zero should control some IR devices, and because I always have problems with lirc, I switched over to pigpio, which is great for this purpose.
But this combination leads to problems:
Without the pigpiod the sound is fine and everything works, but as soon as I start the daemon, there are two cases:
(1) pigpiod start without options: The sound gets very slow and deep, that’s very bad. It seems this is a conflict with the used PCM, therefore I tried the next. (IR works in this case)
(2) pigpiod start with option “-t 0”: This way it uses PWM and the sound’s still fine. But as soon as I send something via IR using the pigpio functionality it sounds like I can hear the transmission and the sound get’s a bit crazy then, unrepairable. Also IR doesn’t really work.
So in summary it seems like there’s a conflict with raspberry sources in both cases.
I currently assume it’s a resource conflict between pigpio and the PHATDAC module.
Do you maybe have an idea which resources this might be and how to workaround this problem?
Could someone help me to find all resources used by the phatdac module? (DMA? anything else?)
And is there a possibility to configure the usage of other resources? This could give me the possibility to test…
Thanks for all input!