sirius_bot/joy_control: ros__parameters: max_linear_speed: 2. max_angular_speed: 2. speed_x_axis: 4 speed_y_axis: 3 speed_throttle_btn: 7 fe_burst_btn: 2 crosshair_plus_x_btn: -1 crosshair_minus_x_btn: -1 crosshair_plus_y_btn: -1 crosshair_minus_y_btn: -1 crosshair_step: 0.05 # where 1 is half of image crosshair_x_axis: 6 crosshair_y_axis: 7