Function lv_scale_set_section_range 

pub unsafe extern "C" fn lv_scale_set_section_range(
    scale: *mut lv_obj_t,
    section: *mut lv_scale_section_t,
    min: i32,
    max: i32,
)

Set the range of a scale section @param scale pointer to scale @param section pointer to section @param range_min the section’s new minimum value @param range_max the section’s new maximum value