I haven’t tried it but removing the reference to “true” in the #define SPINDLE_LASER_PWM statement may help. Seems the syntax changed in the more recent Marlin releases as per kcny’s Oct '21 post.
I haven’t tried it but removing the reference to “true” in the #define SPINDLE_LASER_PWM statement may help. Seems the syntax changed in the more recent Marlin releases as per kcny’s Oct '21 post.