Merge branch 'api' of github.com:SemvdH/5g_drone_ROS2 into api

config/params.yaml

@@ -0,0 +1,22 @@
+/**:
+    ros__parameters:
+      video_device: "/dev/video0"
+      framerate: 10.0
+      io_method: "mmap"
+      frame_id: "camera"
+      pixel_format: "yuyv"  # see usb_cam/supported_formats for list of supported formats
+      image_width: 2320
+      image_height: 1744
+      camera_name: "drone_camera"
+      camera_info_url: "package://usb_cam/config/camera_info.yaml"
+      brightness: -1
+      contrast: -1
+      saturation: -1
+      sharpness: -1
+      gain: -1
+      auto_white_balance: true
+      white_balance: 4000
+      autoexposure: true
+      exposure: 100
+      autofocus: false
+      focus: -1

src/api_communication/api_communication/api_listener.py

@@ -84,7 +84,7 @@ class ApiListener(Node):
     async def handle_api(self):
         self.get_logger().info('Starting API')
         self.server = await websockets.serve(self.api_handler, '0.0.0.0', 9001)
-        self.get_logger().info('API started')
+        self.get_logger().info('API started on port 9001')
         await self.server.wait_closed()
 
     def process_image_request(self, message_json):

websocket-client-test.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+
+import asyncio
+from websockets.sync.client import connect
+
+def hello():
+    with connect("ws://localhost:8765") as websocket:
+        websocket.send("Hello world!")
+        message = websocket.recv()
+        print(f"Received: {message}")
+
+hello()