2.2 (#52)

## features
-- added pi cam support (from wpilib v2020.2.2)
-- added gain slider for ps3 eye
-- added custom pnp model upload
-- network tables will try to reconnect if no connection
-- re did network tables key and added new values 


## bug fixes
-- fixed solve pnp not detection
-- lowered minimum fps for some camera
-- fixed vision hang bug

chameleon-server/src/main/java/com/chameleonvision/vision/camera/USBCameraCapture.java

@@ -2,6 +2,7 @@ package com.chameleonvision.vision.camera;
 
 import com.chameleonvision.config.CameraCalibrationConfig;
 import com.chameleonvision.config.FullCameraConfiguration;
+import com.chameleonvision.util.Helpers;
 import edu.wpi.cscore.CvSink;
 import edu.wpi.cscore.UsbCamera;
 import edu.wpi.cscore.VideoException;
@@ -13,6 +14,7 @@ import org.opencv.core.Size;
 import org.opencv.imgcodecs.Imgcodecs;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 public class USBCameraCapture implements CameraCapture {
@@ -30,6 +32,12 @@ public class USBCameraCapture implements CameraCapture {
         cvSink = CameraServer.getInstance().getVideo(baseCamera);
         properties = new USBCaptureProperties(baseCamera, config);
 
+        var videoModes = properties.getVideoModes();
+        if(videoModes.size() < 1) {
+            throw new VideoException("0 video modes are valid! Full list provided by camera: \n\n"
+            + Arrays.stream(baseCamera.enumerateVideoModes()).map(Helpers::VideoModeToHashMap).toString()  );
+        }
+
         int videoMode = properties.videoModes.size() - 1 <= config.videomode ? config.videomode : 0;
         setVideoMode(videoMode);
     }