Here is a macro for klipper that can display the distance value on the screen LCD12864 and on the console.
for example:
M155 S1, then it will read and display the distance every 1 second.
Disable it by M155 S0.
[gcode_macro M155]
description: read and display distance on the screen on a 'S'chedule.
variable_repeat_timer: 0
gcode:
{% if 'S' in params %}
{% set seconds = params.S|int %}
#RESPOND MSG="time in seconds:"{seconds}
SET_GCODE_VARIABLE MACRO=M155 VARIABLE=repeat_timer VALUE={seconds}
UPDATE_DELAYED_GCODE ID=respond_temp_timer DURATION={seconds}
{% endif %}
[delayed_gcode respond_temp_timer]
initial_duration: 0
gcode:
# {% set time = params.VALUE|int %}
# RESPOND MSG="time2 in seconds:"{params.REPEAT}%
M102 S-2
UPDATE_DELAYED_GCODE ID=respond_temp_timer DURATION={printer['gcode_macro M155'].repeat_timer}