menu: initial support for analog buttons (#977)

Signed-off-by: Janar Sööt <janar.soot@gmail.com>

1 files changed, 33 insertions, 6 deletions

diff --git a/config/example-extras.cfg b/config/example-extras.cfg
index a75f8b10..6adf0592 100644
--- a/config/example-extras.cfg
+++ b/config/example-extras.cfg
@@ -1249,19 +1249,46 @@
 #   using encoder. This parameter must be provided when using menu.
 #click_pin:
 #   The pin connected to 'enter' button or encoder 'click'. This parameter
-#   must be provided when using menu.
+#   must be provided when using menu. The presence of an 'analog_range_click_pin'
+#   config parameter turns this parameter from digital to analog.
 #back_pin:
 #   The pin connected to 'back' button. This parameter is optional, menu
-#   can be used without it.
+#   can be used without it. The presence of an 'analog_range_back_pin'
+#   config parameter turns this parameter from digital to analog.
 #up_pin:
 #   The pin connected to 'up' button. This parameter must be provided
-#   when using menu without encoder.
+#   when using menu without encoder. The presence of an 'analog_range_up_pin'
+#   config parameter turns this parameter from digital to analog.
 #down_pin:
 #   The pin connected to 'down' button. This parameter must be provided
-#   when using menu without encoder.
+#   when using menu without encoder. The presence of an 'analog_range_down_pin'
+#   config parameter turns this parameter from digital to analog.
 #kill_pin:
-#   The pin connected to 'kill' button. This button will call
-#   emergency stop.
+#   The pin connected to 'kill' button. This button will call emergency stop.
+#   The presence of an 'analog_range_kill_pin' config parameter turns this
+#   parameter from digital to analog.
+#analog_pullup_resistor: 4700
+#   The resistance (in ohms) of the pullup attached to the analog button.
+#   The default is 4700 ohms.
+#analog_pin_debug:
+#   When enabled it will output analog (ADC) button readings to the log.
+#   It's useful for finding analog button resistance range values.
+#   The default is False (disabled)
+#analog_range_click_pin:
+#   The resistance range for a 'enter' button. Range minimum and maximum
+#   comma-separated values must be provided when using analog button.
+#analog_range_back_pin:
+#   The resistance range for a 'back' button. Range minimum and maximum
+#   comma-separated values must be provided when using analog button.
+#analog_range_up_pin:
+#   The resistance range for a 'up' button. Range minimum and maximum
+#   comma-separated values must be provided when using analog button.
+#analog_range_down_pin:
+#   The resistance range for a 'down' button. Range minimum and maximum
+#   comma-separated values must be provided when using analog button.
+#analog_range_kill_pin:
+#   The resistance range for a 'kill' button. Range minimum and maximum
+#   comma-separated values must be provided when using analog button.
 
 
 # Custom thermistors (one may define any number of sections with a