From: jrwalliker@gmail.com   
      
   On 28/08/2025 15:24, Chris Green wrote:   
   > I have upgraded my Pi 4B from bookworm to trixie and, while most   
   > things work fine, my gpiod code in Python is completely broken.  Can   
   > anyone confirm that everything has changed a lot or am I going mad?   
   >   
   You are not going mad.  Here are before and after examples from   
   a shell script that I had to change.  It reads a PIO pin and puts   
   a message in a log file if a PIR detector has been triggered.   
   There will be some equivalent change in Python.   
   John   
      
   BEFORE   
      
   #!/bin/bash   
      
   echo "9" > /sys/class/gpio/export   
   echo "in" > /sys/class/gpio/gpio9/direction   
      
   while true;   
   do   
      
   temp=$( /sys/class/gpio/unexport   
      
      
   AFTER   
      
   #!/bin/bash   
      
   while true   
      
   do   
      
   temp=$(pinctrl lev 9)   
      if [[ $temp -eq 1 ]];   
      then   
      echo -n "Ceiling "; date; echo   
      fi   
      
   sleep 2   
      
   done   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)