Klipper doesn't connect if hardware pwm is used

General Discussion
1

Basic Information:

Printer Model: Flsun Super Racer
MCU / Printerboard: Mks Robin Nano V3.2
Host / SBC Raspberry pi 3a+
klippy.log

Describe your issue:

Hi, i have a modded super racer, with klipper on a raspberry pi3a+, it works fine, i have already setted up caselight pwm led, on pwm0 and it works, now i want to connect a servo(mg996r) on the pwm1, i’ve followed klipper’s docs to enable hardware pwm1 on pin 13, but when i type:

[servo myservo]

pin: host:pwmchip0/pwm1

maximum_servo_angle: 180

#minimum_pulse_width: 0.0005

#maximum_pulse_width: 0.0025

klipper does not connect to printer, with message “printer not ready”

if i put pin:gpio13 klipper work, but servo start jittering

here are logs when i use pwmchip0/pwm1

klippy.zip (1.2 MB)
moonraker.log (269.3 KB)

2

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