Linux: Adjust udev rules for gpio (#6891)

2025-06-08 06:02:05 +00:00 · 2025-05-26 07:31:10 -04:00 · 2025-05-26 07:31:10 -04:00 · baefda213a
commit baefda213a
parent 106dd08710
3 changed files with 12 additions and 5 deletions
--- a/bin/99-meshtasticd-udev.rules
+++ b/bin/99-meshtasticd-udev.rules
@ -1,4 +1,7 @@
-# Set spidev ownership to 'spi' group.
+# Set spidev ownership to 'spi' group
 SUBSYSTEM=="spidev", KERNEL=="spidev*", GROUP="spi", MODE="0660"
 # Allow access to USB CH341 devices
 SUBSYSTEM=="usb", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="5512", MODE="0666"
+# Set gpio ownership to 'gpio' group
+SUBSYSTEM=="*gpiomem*", GROUP="gpio", MODE="0660"
+SUBSYSTEM=="gpio", GROUP="gpio", MODE="0660"
--- a/debian/meshtasticd.postinst
+++ b/debian/meshtasticd.postinst
@ -20,16 +20,17 @@ set -e

 case "$1" in
    configure|reconfigure)
-    # create spi group (for udev rules)
-    # this group already exists on Raspberry Pi OS
+    # create spi, gpio groups (for udev rules)
+    # these groups already exist on Raspberry Pi OS
        getent group spi >/dev/null 2>/dev/null || addgroup --system spi
+        getent group gpio >/dev/null 2>/dev/null || addgroup --system gpio
    # create a meshtasticd group and user
        getent passwd meshtasticd >/dev/null 2>/dev/null || adduser --system --home /var/lib/meshtasticd --no-create-home meshtasticd
        getent group meshtasticd >/dev/null 2>/dev/null || addgroup --system meshtasticd
        adduser meshtasticd meshtasticd >/dev/null 2>/dev/null
        adduser meshtasticd spi >/dev/null 2>/dev/null
+        adduser meshtasticd gpio >/dev/null 2>/dev/null
    # add meshtasticd user to appropriate groups (if they exist)
-        getent group gpio >/dev/null 2>/dev/null && adduser meshtasticd gpio >/dev/null 2>/dev/null
        getent group plugdev >/dev/null 2>/dev/null && adduser meshtasticd plugdev >/dev/null 2>/dev/null
        getent group dialout >/dev/null 2>/dev/null && adduser meshtasticd dialout >/dev/null 2>/dev/null
        getent group i2c >/dev/null 2>/dev/null && adduser meshtasticd i2c >/dev/null 2>/dev/null
--- a/debian/meshtasticd.udev
+++ b/debian/meshtasticd.udev
@ -1,4 +1,7 @@
-# Set spidev ownership to 'spi' group.
+# Set spidev ownership to 'spi' group
 SUBSYSTEM=="spidev", KERNEL=="spidev*", GROUP="spi", MODE="0660"
 # Allow access to USB CH341 devices
 SUBSYSTEM=="usb", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="5512", MODE="0666"
+# Set gpio ownership to 'gpio' group
+SUBSYSTEM=="*gpiomem*", GROUP="gpio", MODE="0660"
+SUBSYSTEM=="gpio", GROUP="gpio", MODE="0660"