Craig Lamparter

time being spent in **snd_pcm** driver, function snd_pcm_stream_unlock_irq() ``` 44101 18.49% direwolf [.] demod_afsk_process_sample 12.44% libasound.so.2.0.0 [.] snd_pcm_route_convert1_many 11.49% [snd_pcm] [k] snd_pcm_stream_unlock_irq 6.07% libarmmem-v7l.so [.] memmove 5.22% [kernel] [k] _raw_spin_unlock_irqrestore...

patch for **audio.c**, testing okay at this point. Bumping up the frames per period seems alleviate the snd_pcm driver problem with a minimal increase in latency. In fact, the buffer/period...

fwiw dfu-util worked on Ubuntu 24.04 on the fifth try.

fixed in latest version

understood - I'll add a closed-socket detection, thanks! i think i can do this with "select()"... or just detect a zero-byte-read.

fixed in latest bersion

missing the close quote at the end of your device name. should be using ttyUSB0 too?

from the readme, If you see errors like missing modules, or "not defined", you might need additional python libraries. For example, if you see serial errors, make sure pyserial is...

nope. not possible to transmit with the scu20 cable

yah, I agree, or calculate gridsquare from lat/lon, or both.