I've run lots of cron jobs and have set up scripts to run at startup. I assumed this would be an easy task because maybe I'm missing something.
I have a script that when it sees a specific message over its "TX/RX" pins it starts recording the data. The python script works as desired. Yet, when I have it run the script at bootup this no longer sees the commands, records the data, and sends the data back (over the same serial). I see the script running on a thread but yet these GPIOs aren't communicating with peripherals. Do you need to do something special to have the GPIO pins available to a script running at bootup?
I'm mostly wondering if what I'm trying to do is possible and if I'm missing something obvious?