joystick mode: add curvature control (#30010)

* Added curvature controls to joystick mode

* same line

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Co-authored-by: Shane Smiskol <shane@smiskol.com>
old-commit-hash: c43325fa17

selfdrive/controls/controlsd.py

@@ -629,8 +629,8 @@ class Controls:
 
         if CC.latActive:
           steer = clip(self.sm['testJoystick'].axes[1], -1, 1)
-          # max angle is 45 for angle-based cars
+          # max angle is 45 for angle-based cars, max curvature is 0.02
-          actuators.steer, actuators.steeringAngleDeg = steer, steer * 45.
+          actuators.steer, actuators.steeringAngleDeg, actuators.curvature = steer, steer * 45., steer * -0.02
 
         lac_log.active = self.active
         lac_log.steeringAngleDeg = CS.steeringAngleDeg