diff --git a/src/driver.rs b/src/driver.rs
index d6f977d..33ada2c 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -44,7 +44,7 @@ pub struct Driver
     ctl: Controller,
 }
 
-fn sleep_ms (ms: u64)
+pub fn sleep_ms (ms: u64)
 {
     std::thread::sleep (std::time::Duration::from_millis (ms));
 }
diff --git a/src/main.rs b/src/main.rs
index 10c9d40..64baefb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -135,6 +135,7 @@ impl eframe::App for App {
                         texture.set (egui::ColorImage::from_rgba_premultiplied([1280,720], &frame.data), Default::default ());
                         self.latency = Instant::now () - frame.capture_time;
                         self.camera_frames += 1;
+                        println! ("     Camera");
                     },
                 }
             }
@@ -168,8 +169,11 @@ impl eframe::App for App {
             ui.image (texture, size);
             
             self.gui_frames += 1;
+            println! ("GUI");
             
             ui.checkbox(&mut self.requesting_frames, "Run");
+            
+            // driver::sleep_ms (500);
         });
     }
 }