cmd_vel headless

src/headless_pkg/src/headless_node.py

@@ -17,7 +17,8 @@ import grp
 from math import copysign
 
 from std_msgs.msg import String
-from geometry_msgs.msg import Twist
+from geometry_msgs.msg import Twist, TwistStamped
+from std_msgs.msg import Header
 from astra_msgs.msg import CoreControl, ArmManual, BioControl
 from astra_msgs.msg import CoreCtrlState
 
@@ -55,6 +56,16 @@ class Headless(Node):
         pygame.joystick.init()
         super().__init__("headless")
 
+        self.declare_parameter("use_cmd_vel", False)
+        self.using_cmd_vel = self.get_parameter("use_cmd_vel").value
+        if self.using_cmd_vel:
+            self.get_logger().info("Using cmd_vel for core control")
+            global CORE_MODE
+            CORE_MODE = "twist"
+        else:
+            self.get_logger().info("Using astra_msgs/CoreControl for core control")
+
+
         # Wait for anchor to start
         pub_info = self.get_publishers_info_by_topic("/anchor/from_vic/debug")
         while len(pub_info) == 0:
@@ -114,6 +125,9 @@ class Headless(Node):
         self.core_twist_pub_ = self.create_publisher(
             Twist, "/core/twist", qos_profile=control_qos
         )
+        self.core_cmd_vel_pub_ = self.create_publisher(
+            TwistStamped, "/diff_controller/cmd_vel", qos_profile=control_qos
+        )
         self.core_state_pub_ = self.create_publisher(
             CoreCtrlState, "/core/control/state", qos_profile=control_qos
         )
@@ -125,6 +139,9 @@ class Headless(Node):
         # Rumble when node is ready (returns False if rumble not supported)
         self.gamepad.rumble(0.7, 0.8, 150)
 
+        # Added so you can tell when it starts running after changing the constant logging to debug from info
+        self.get_logger().info("Defaulting to Core mode. Ready.")
+
     def run(self):
         # This thread makes all the update processes run in the background
         thread = threading.Thread(target=rclpy.spin, args={self}, daemon=True)
@@ -198,7 +215,7 @@ class Headless(Node):
             # self.bio_publisher.publish(BIO_STOP_MSG)
 
         elif self.ctrl_mode == "core" and CORE_MODE == "twist":
-            input = Twist()
+            twist = Twist()
 
             # Collect controller state
             left_stick_y = deadzone(self.gamepad.get_axis(1))
@@ -208,17 +225,25 @@ class Headless(Node):
             right_bumper = self.gamepad.get_button(5)
 
             # Forward/back and Turn
-            input.linear.x = -1.0 * left_stick_y
-            input.angular.z = -1.0 * copysign(
+            twist.linear.x = -1.0 * left_stick_y
+            twist.angular.z = -1.0 * copysign(
                 right_stick_x**2, right_stick_x
             )  # Exponent for finer control (curve)
 
+            if self.using_cmd_vel:
+                twist.linear.x *= 1.5
+                twist.angular.z *= 0.5
+
             # Publish
-            self.core_twist_pub_.publish(input)
+            if not self.using_cmd_vel:
+                self.core_twist_pub_.publish(twist)
+            else:
+                header = Header(stamp=self.get_clock().now().to_msg())
+                self.core_cmd_vel_pub_.publish(TwistStamped(header=header, twist=twist))
             self.arm_publisher.publish(ARM_STOP_MSG)
             # self.bio_publisher.publish(BIO_STOP_MSG)
-            self.get_logger().info(
-                f"[Core Ctrl] Linear: {round(input.linear.x, 2)}, Angular: {round(input.angular.z, 2)}"
+            self.get_logger().debug(
+                f"[Core Ctrl] Linear: {round(twist.linear.x, 2)}, Angular: {round(twist.angular.z, 2)}"
             )
 
             # Brake mode