Thank you for the suggestion! Here are the results of dmesg -l err,warn:
The logs show:
pinctrl-bcm2835 fe20a000.gpio: pin GPIO18 already requested by fe215080.spi
pinctrl-bcm2835 fe20c000.pwm: status -22
bcm2835-pwm fe20c000.pwm: Error applying setting, reverse things back
It seems that GPIO 18 is being claimed by the SPI module (fe215080.spi), which is causing a conflict with the PWM module (fe20c000.pwm).
In my /boot/config.txt, I have the following configuration:
dtoverlay=spi1-3cs
dtoverlay=pwm-2chan,pin=18,func=2
SPI and PWM are likely conflicting over GPIO 18.
The logs show:
pinctrl-bcm2835 fe20a000.gpio: pin GPIO18 already requested by fe215080.spi
pinctrl-bcm2835 fe20c000.pwm: status -22
bcm2835-pwm fe20c000.pwm: Error applying setting, reverse things back
It seems that GPIO 18 is being claimed by the SPI module (fe215080.spi), which is causing a conflict with the PWM module (fe20c000.pwm).
In my /boot/config.txt, I have the following configuration:
dtoverlay=spi1-3cs
dtoverlay=pwm-2chan,pin=18,func=2
SPI and PWM are likely conflicting over GPIO 18.
Statistics: Posted by dgy411852 — Fri Jan 03, 2025 10:07 pm