usbcam config file

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