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webots_ros2_mavic/webots_ros2_mavic/Gpt.py

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+import rclpy
+from rclpy.node import Node
+from std_msgs.msg import String
+import openai
+import gradio as gr
+import argparse
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--prompt", type=str, default="prompts/mavic_basic.txt")
+args = parser.parse_args()
+
+class LLMIntegrationNode(Node):
+    def __init__(self):
+        super().__init__('llm_integration_node')
+
+        # Publisher untuk mengirim respons LLM ke parser
+        self.command_publisher = self.create_publisher(String, '/llm_to_drone_command', 10)
+
+        # Subscriber untuk menerima perintah dari pengguna
+        self.user_command_subscription = self.create_subscription(
+            String,
+            '/user_command',
+            self.process_user_command,
+            10
+        )
+
+        # Set API key OpenAI
+        openai.api_key = "API_Key"  
+
+    def process_user_command(self, msg):
+        user_query = msg.data
+        self.get_logger().info(f"Received user command: {user_query}")
+
+        # Kirim perintah ke LLM dan dapatkan respons
+        self.llm_response = self.query_llm(user_query)
+        if self.llm_response:
+            self.get_logger().info(f"LLM Response: {self.llm_response}")
+
+            # Publikasikan respons ke topic /llm_to_drone_command
+            self.command_publisher.publish(String(data=self.llm_response))
+        else:
+            self.get_logger().error("Failed to get a response from LLM.")
+
+
+
+    def query_llm(self, user_query):
+        try:
+            response = openai.ChatCompletion.create(
+                model="gpt-4o",
+                messages=[
+                    {
+                        "role": "system",
+                        "content": prompt,
+                    },
+                    {"role": "user", "content": user_query},
+                ]
+            )
+            return response['choices'][0]['message']['content']
+        except Exception as e:
+            self.get_logger().error(f"Error querying LLM: {e}")
+            return None
+
+    def send_prompt(self, prompt):
+        # Publikasikan prompt ke topik /user_command
+
+        msg = String()
+        msg.data = prompt
+        self.user_command_subscription.callback(msg)
+        self.get_logger().info(f"Sent Prompt: {prompt}")
+
+    def process_prompt(self, prompt: str):
+        # Fungsi untuk mengolah input prompt (misalnya memanggil send_prompt)
+        self.send_prompt(prompt)
+        return self.llm_response
+
+with open(args.prompt, "r") as f:
+    prompt = f.read()   
+
+def main(args=None):
+    rclpy.init(args=args)
+    node = LLMIntegrationNode()
+    # Fungsi untuk menerima input dari Gradio dan memprosesnya
+    def gradio_interface(prompt):
+        response=node.process_prompt(prompt)
+        return response
+
+    # Membuat antarmuka Gradio
+    interface = gr.Interface(
+        fn=gradio_interface,  # Fungsi yang akan dipanggil
+        inputs="text",        # Input berupa teks
+        outputs="text",       # Output berupa teks
+    )
+
+    # Menjalankan UI Gradio di thread terpisah
+    interface.launch(share=True)
+
+    try:
+        # node.send_prompt(prompt)
+        # prompt = "Create waypoints in a good circular shape with the center at x:10, y:10, z:5, a radius of 5, altitude 10, customize the number of waypoints with the shape."
+
+        rclpy.spin(node)
+    except KeyboardInterrupt:
+        pass
+    finally:
+        node.destroy_node()
+        rclpy.shutdown()
+
+
+if __name__ == '__main__':
+    main()
+

webots_ros2_mavic/webots_ros2_mavic/Gpt_parser.py

@@ -0,0 +1,280 @@
+import rclpy
+from rclpy.node import Node
+from std_msgs.msg import String
+from geometry_msgs.msg import Twist, PointStamped, PoseStamped
+from visualization_msgs.msg import Marker, MarkerArray
+from sensor_msgs.msg import Imu
+from nav_msgs.msg import Path
+import math
+import re
+import csv
+import json
+class LLMResponseParser(Node):
+    def __init__(self):
+        super().__init__('llm_response_parser')
+
+        # Subscriber untuk data GPS
+        self.gps_subscription = self.create_subscription(
+            PointStamped,
+            '/Mavic_2_PRO/gps',
+            self.gps_callback,
+            10
+        )
+        self.imu_subscription = self.create_subscription(
+            Imu,
+            '/imu',
+            self.imu_callback,
+            10
+        )
+
+        # Subscriber untuk menerima respons dari LLM
+        self.llm_response_subscription = self.create_subscription(
+            String,
+            '/llm_to_drone_command',
+            self.process_llm_response,
+            10
+        )
+        # Publisher untuk marker waypoint
+        self.marker_publisher = self.create_publisher(MarkerArray, '/waypoints_marker', 10)
+
+
+        # Publisher untuk mengirim perintah navigasi ke drone
+        self.command_publisher = self.create_publisher(Twist, '/cmd_vel', 10)
+
+        # Publisher untuk path
+        self.path_publisher = self.create_publisher(Path, '/drone_path', 10)
+
+        # Inisialisasi variabel
+        self.current_position = None
+        self.target_waypoint = None  # Waypoint dari LLM
+        self.reached_target = False
+        self.orientation = None
+        self.waypoints = []  # Daftar waypoint
+        self.current_waypoint_index = 0 
+        self.markers = MarkerArray()
+        self.csv_file = 'gps_point_data.csv'
+        self.initialize_csv()
+
+        # Path untuk RViz
+        self.path = Path()
+        self.path.header.frame_id = "map"  # Ubah sesuai dengan frame RViz Anda
+
+    def initialize_csv(self):
+        with open(self.csv_file, mode='w', newline='') as file:
+            writer = csv.writer(file)
+            writer.writerow(['Timestamp', 'X', 'Y', 'Z'])  # Header file CSV
+
+    def process_llm_response(self, msg):
+        response = msg.data.strip()
+        self.get_logger().info(f"Parsing LLM Response: {response}")
+        #memisahkan json waypoints dengan text lainnya
+        match = re.search(r'\[\s*{.*?}\s*\]', response, re.S)
+        if match:
+            response = match.group(0)  # Ambil string JSON yang cocok
+            response = response.strip()  # Hapus spasi atau karakter kosong di awal/akhir
+        # Parsing respons dari LLM
+        try:
+            self.waypoints = self.parse_response(response)
+            if self.waypoints:
+                self.get_logger().info(f"Parsed Waypoints: {self.waypoints}")
+                self.current_waypoint_index = 0  # Reset ke waypoint pertama
+                # Buat marker untuk setiap waypoint
+                self.markers.markers = []  # Reset marker sebelumnya
+                for i, waypoint in enumerate(self.waypoints):
+                    marker = self.create_marker(waypoint, i)
+                    self.markers.markers.append(marker)
+
+                # Publikasikan marker ke RViz
+                self.marker_publisher.publish(self.markers)
+            else:
+                self.get_logger().error("Parsed response is empty or invalid.")
+        except Exception as e:
+            self.get_logger().error(f"Error during parsing: {e}")
+
+    def gps_callback(self, msg):
+        with open(self.csv_file, mode='a', newline='') as file:
+            writer = csv.writer(file)
+            timestamp = msg.header.stamp
+            writer.writerow([
+                f"{timestamp.sec}.{timestamp.nanosec}",  # Timestamp dari header
+                msg.point.x,  # Koordinat X
+                msg.point.y,  # Koordinat Y
+                msg.point.z   # Koordinat Z
+            ])
+        # Update posisi GPS saat ini
+        self.current_position = msg.point
+        # Buat PoseStamped untuk posisi saat ini
+        pose = PoseStamped()
+        pose.header.stamp = self.get_clock().now().to_msg()
+        pose.header.frame_id = "map"  # Ubah sesuai frame RViz
+        pose.pose.position.x = self.current_position.x
+        pose.pose.position.y = self.current_position.y
+        pose.pose.position.z = self.current_position.z
+
+        # Tambahkan pose ke path
+        self.path.header.stamp = pose.header.stamp
+        self.path.poses.append(pose)
+
+        # Batasi jumlah pose dalam path (opsional, untuk efisiensi)
+        max_path_length = 100
+        if len(self.path.poses) > max_path_length:
+            self.path.poses.pop(0)  # Hapus pose tertua
+
+        # Publikasikan path ke RViz
+        self.path_publisher.publish(self.path)
+
+        self.navigate_to_waypoint()
+
+    def imu_callback(self, imu_msg):
+        # Update orientasi dari data IMU
+        orientation_q = imu_msg.orientation
+        roll, pitch, yaw = self.quaternion_to_euler(orientation_q.x, orientation_q.y, orientation_q.z, orientation_q.w)
+
+        #self.get_logger().info(f'Orientation (roll, pitch, yaw): ({roll:.2f}, {pitch:.2f}, {yaw:.2f})')
+
+        # Gunakan data IMU untuk menjaga kestabilan
+        self.orientation = (roll, pitch, yaw)
+
+    def quaternion_to_euler(self, x, y, z, w):
+        # Mengonversi quaternion ke Euler angles (roll, pitch, yaw)
+        t0 = +2.0 * (w * x + y * z)
+        t1 = +1.0 - 2.0 * (x * x + y * y)
+        roll = math.atan2(t0, t1)
+
+        t2 = +2.0 * (w * y - z * x)
+        t2 = +1.0 if t2 > +1.0 else t2
+        t2 = -1.0 if t2 < -1.0 else t2
+        pitch = math.asin(t2)
+
+        t3 = +2.0 * (w * z + x * y)
+        t4 = +1.0 - 2.0 * (y * y + z * z)
+        yaw = math.atan2(t3, t4)
+
+        return roll, pitch, yaw
+
+    def create_marker(self, waypoint, marker_id):
+        marker = Marker()
+        marker.header.frame_id = "map"  # Sesuaikan frame RViz
+        marker.header.stamp = self.get_clock().now().to_msg()
+        marker.ns = "waypoints"
+        marker.id = marker_id
+        marker.type = Marker.SPHERE  # Marker berbentuk bola
+        marker.action = Marker.ADD
+
+        # Koordinat waypoint
+        marker.pose.position.x = waypoint['x']
+        marker.pose.position.y = waypoint['y']
+        marker.pose.position.z = waypoint['z']
+        marker.pose.orientation.x = 0.0
+        marker.pose.orientation.y = 0.0
+        marker.pose.orientation.z = 0.0
+        marker.pose.orientation.w = 1.0
+
+        # Ukuran marker
+        marker.scale.x = 0.2  # Diameter bola
+        marker.scale.y = 0.2
+        marker.scale.z = 0.2
+
+        # Warna marker
+        marker.color.r = 1.0  # Merah
+        marker.color.g = 0.0  # Hijau
+        marker.color.b = 0.0  # Biru
+        marker.color.a = 1.0  # Transparansi (1 = solid)
+
+        return marker
+
+    def parse_response(self, response):
+        try:
+            # Parsing respons sebagai JSON jika berbentuk list
+            waypoints = json.loads(response)
+            # Validasi bahwa semua waypoint memiliki x, y, z
+            if not isinstance(waypoints, list):
+                self.get_logger().error("Parsed response is not a list of waypoints.")
+                return None
+            # Validasi bahwa semua waypoint memiliki x, y, z
+            for waypoint in waypoints:
+                if not all(k in waypoint for k in ('x', 'y', 'z')):
+                    self.get_logger().error(f"Invalid waypoint format: {waypoint}")
+                    return None
+
+            return waypoints
+        except Exception as e:
+            self.get_logger().error(f"Error parsing response: {e}")
+            return None
+
+    def navigate_to_waypoint(self):
+        # Pastikan ada daftar waypoint
+        if not self.waypoints or self.current_waypoint_index >= len(self.waypoints):
+            self.get_logger().info("No more waypoints to navigate.")
+            # Hentikan drone sepenuhnya setelah waypoint terakhir
+            stop_cmd = Twist()
+            stop_cmd.linear.x = 0.0
+            stop_cmd.linear.y = 0.0
+            stop_cmd.linear.z = 0.0
+            self.command_publisher.publish(stop_cmd)
+            return
+
+        # Ambil waypoint saat ini
+        target_waypoint = self.waypoints[self.current_waypoint_index]
+
+        # Hitung perbedaan posisi dari target
+        delta_x = -(target_waypoint['x'] - self.current_position.x) 
+        delta_y = -(target_waypoint['y'] - self.current_position.y)
+        delta_z = target_waypoint['z'] - self.current_position.z
+        distance = math.sqrt(delta_x**2 + delta_y**2 + delta_z**2)
+
+        # Jarak ke target
+        distance = math.sqrt(delta_x**2 + delta_y**2 + delta_z**2)
+
+        # Buat perintah kecepatan berdasarkan jarak ke target
+        move_cmd = Twist()
+        max_speed = 0.5  # Kecepatan maksimum dalam m/s
+        speed_factor = min(max_speed, max(0.05, distance / 5))
+        if distance > 0.05:  # Jika masih jauh dari target
+            # Normalisasi delta agar drone bergerak ke arah target
+            move_cmd.linear.x = speed_factor * (delta_x / distance)
+            move_cmd.linear.y = speed_factor * (delta_y / distance)
+            move_cmd.linear.z = speed_factor * (delta_z / distance)
+        else:
+            move_cmd.linear.x = 0.0
+            move_cmd.linear.y = 0.0
+            move_cmd.linear.z = 0.0
+
+        # Koreksi stabilitas dengan data IMU
+        imu_correction_factor = 0.005  # Faktor koreksi IMU
+        if self.orientation is not None:
+            roll, pitch, _ = self.orientation
+            move_cmd.linear.x -= imu_correction_factor * pitch
+            move_cmd.linear.y -= imu_correction_factor * roll
+
+        # Publikasikan perintah gerak jika belum mencapai target
+        if distance > 0.05 or abs(delta_z) > 0.05:
+            self.command_publisher.publish(move_cmd)
+            self.get_logger().info(f'Published command to move towards target, horizontal distance: {distance:.5f}, vertical delta: {delta_z:.5f}')
+        else:
+            self.get_logger().info(f"Waypoint {self.current_waypoint_index + 1} Reached!")
+            self.current_waypoint_index += 1  # Pindah ke waypoint berikutnya
+            # Jika ini adalah waypoint terakhir, hentikan drone sepenuhnya
+            if self.current_waypoint_index >= len(self.waypoints):
+                self.get_logger().info("All waypoints reached. Drone is now holding position.")
+                stop_cmd = Twist()
+                stop_cmd.linear.x = 0.0
+                stop_cmd.linear.y = 0.0
+                stop_cmd.linear.z = 0.0
+                self.command_publisher.publish(stop_cmd)
+
+def main(args=None):
+    rclpy.init(args=args)
+    node = LLMResponseParser()
+
+    try:
+        rclpy.spin(node)
+    except KeyboardInterrupt:
+        pass
+    finally:
+        node.destroy_node()
+        rclpy.shutdown()
+
+
+if __name__ == '__main__':
+    main()