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CommentStreams:53770e534600cdcfaa7566193179c822

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< X735
Revision as of 04:36, 9 July 2020 by 91.84.191.182 (talk) (Migrated comment #993)
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I have the x735 v2.1 working on a Pi 4B running Buster. However it doesn’t work when I plug a HiFiBerry DAC + Pro due to conflicts with GPIO.

The Pi system just halts after the DAC kicks in from the script /etc/x730pwr.sh HiFiBerry states the GPIO18 the sound interface in hardwired on the Pi so it can’t be mapped onto another pin.

GPIO18 is only used for software shut down $ x730off that I’m not going to use Reference script /usr/local/bin/x730shutdown.sh

I have re mapped the GPIO4 and 17 in script /etc/x730pwr.sh and still no good so it must be down to the GPIO of the x735 being activated from the DAC!!

Question is has anybody else managed to get the x735 v2.1 working with a HiFiBerry DAC + Pro?

Or do I get another Power Management Unit? Or a different DAC? Or dump the PM Unit idea altogether?

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