GPIO.CONF(5)

💅 GPIO.CONF(5) — like, the whole vibe 💅

okay so this is gpio.conf, aka the GPIO config file, and honestly? it's a whole manual page in the File Formats Manual section, bestie. buckle up 🎀

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✨ NAME ✨

gpio.conf — the GPIO config file, no cap 💜

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🌸 DESCRIPTION 🌸

so the gpio.conf file gets read by the gpio rc.d script during system startup and shutdown — like, both ends of the journey 🦋 — and its whole entire purpose is configuring GPIO pins. that's it, that's the job. main character energy only 👑

🧚 FILE FORMAT 🧚

here's the tea on how to actually write this file:

• lines starting with a hash (#) are ignored — those are your lil comments, slay 💅
• empty lines? also ignored. the file format is literally not judging you 🙈
• if a line starts with !, the rest of that line will get evaluated as a shell script fragment 👀 — yes, fr fr, shell script, right there in your config file
• all other lines get passed straight to gpioctl(8) — no filter, no middleman ⭐

lowkey important: that ! thing is doing real shell evaluation. it's giving "powerful but respect it" energy 🔥

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🎀 FILES 🎀

• /etc/gpio.conf — the gpio.conf configuration file resides in /etc. that's home 🏠
• /etc/rc.d/gpio — the rc.d(8) script that parses gpio.conf. it's the one doing the reading, iykyk 💖

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🌈 EXAMPLES 🌈

okay so in this example, if the /etc/gpio.conf config file is present, pin 1 of /dev/gpio0 is set as output and named "error_led" — iconic naming choice honestly 🍓

# Program pin 1 of /dev/gpio0 as output and name it "error_led"
gpio0 1 set out error_led

like. that's it. that's the whole config. ate and left no crumbs 💀✨

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🫶 SEE ALSO 🫶

• gpioctl(8)
• rc(8)

go read those, bestie, they're the supporting cast 👑

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and that's the page!! 🦋 this little beauty came to you from Debian, dated August 1, 2009 — vintage, honestly, but still serving ✨💅 mwah, go configure some pins 💜