Honda: Parse distance button from steering wheel (#31763)

selfdrive/car/honda/interface.py

@@ -4,8 +4,8 @@ from panda import Panda
 from openpilot.common.conversions import Conversions as CV
 from openpilot.common.numpy_fast import interp
 from openpilot.selfdrive.car.honda.hondacan import CanBus
-from openpilot.selfdrive.car.honda.values import CarControllerParams, CruiseButtons, HondaFlags, CAR, HONDA_BOSCH, HONDA_NIDEC_ALT_SCM_MESSAGES, \
-                                                 HONDA_BOSCH_RADARLESS
+from openpilot.selfdrive.car.honda.values import CarControllerParams, CruiseButtons, CruiseSettings, HondaFlags, CAR, HONDA_BOSCH, \
+                                                 HONDA_NIDEC_ALT_SCM_MESSAGES, HONDA_BOSCH_RADARLESS
 from openpilot.selfdrive.car import create_button_events, get_safety_config
 from openpilot.selfdrive.car.interfaces import CarInterfaceBase
 from openpilot.selfdrive.car.disable_ecu import disable_ecu
@@ -16,6 +16,7 @@ EventName = car.CarEvent.EventName
 TransmissionType = car.CarParams.TransmissionType
 BUTTONS_DICT = {CruiseButtons.RES_ACCEL: ButtonType.accelCruise, CruiseButtons.DECEL_SET: ButtonType.decelCruise,
                 CruiseButtons.MAIN: ButtonType.altButton3, CruiseButtons.CANCEL: ButtonType.cancel}
+SETTINGS_BUTTONS_DICT = {CruiseSettings.DISTANCE: ButtonType.gapAdjustCruise, CruiseSettings.LKAS: ButtonType.altButton1}
 
 
 class CarInterface(CarInterfaceBase):
@@ -236,7 +237,7 @@ class CarInterface(CarInterfaceBase):
 
     ret.buttonEvents = [
       *create_button_events(self.CS.cruise_buttons, self.CS.prev_cruise_buttons, BUTTONS_DICT),
-      *create_button_events(self.CS.cruise_setting, self.CS.prev_cruise_setting, {1: ButtonType.altButton1}),
+      *create_button_events(self.CS.cruise_setting, self.CS.prev_cruise_setting, SETTINGS_BUTTONS_DICT),
     ]
 
     # events

selfdrive/car/honda/values.py

@@ -68,6 +68,11 @@ class CruiseButtons:
   MAIN = 1
 
 
+class CruiseSettings:
+  DISTANCE = 3
+  LKAS = 1
+
+
 # See dbc files for info on values
 VISUAL_HUD = {
   VisualAlert.none: 0,