search

Mellow-3D / FLYF407ZG

31 stars 11 forks source link

Is Servo working? #15

Closed bergyla closed 4 years ago

bergyla commented 4 years ago

I trie to get the servo output working but with no success. Should that run with this fork ?

Regards Bergy

bergyla commented 4 years ago

As I could see, there are regular pulses generated, but sometimes there are pulses which vary up to 100% and additionally there are High pulses lasting longer than 100ms...

servo_fail2

bergyla commented 4 years ago

found mated Bug-Entry in Marlin Bugtracking: [https://github.com/MarlinFirmware/Marlin/pull/15547].

It seems there is an Issue of FAN#0 PWM-IO Pin Function and Timer1. Changing Servo to Timer8 seems to solve the issues.

Bug not patched so far in main firmware branches...

bergyla commented 4 years ago

SERVO is working now by using

define FAN_SOFT_PWM in configure.h