diff --git a/.gitignore b/.gitignore
index de3276d..0e205d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 
 # Configuration file 
-settings.*
+Settings.*
 
 # Generated by Cargo
 # will have compiled files and executables
diff --git a/copyme.settings.toml b/copyme.Settings.toml
similarity index 100%
rename from copyme.settings.toml
rename to copyme.Settings.toml
diff --git a/src/device/helios.rs b/src/device/helios.rs
index f607bb8..8b0fc88 100644
--- a/src/device/helios.rs
+++ b/src/device/helios.rs
@@ -42,16 +42,14 @@ impl Device for HeliosDevice {
 		}
 	}
 
-	fn draw(&mut self,
+	fn draw(&self,
 	        line: Vec<Point>,
 	        speed: u32,
 	) -> LJResult<()> {
-		while let Ok(DeviceStatus::NotReady) = self.dac.status() {
-		}
+		while let Ok(DeviceStatus::NotReady) = self.dac.status() {}
 
 		let points: Vec<helios_dac::Point> = line.into_iter().map(|p| p.into()).collect();
-		let frame = Frame::new(speed, points);
-		self.dac.write_frame(frame.clone())?;
+		let _frame = Frame::new(speed, points);
 		Ok(())
 	}
 
diff --git a/src/device.rs b/src/device/mod.rs
similarity index 98%
rename from src/device.rs
rename to src/device/mod.rs
index d85d95a..9f4455b 100644
--- a/src/device.rs
+++ b/src/device/mod.rs
@@ -29,7 +29,7 @@ pub struct Status {
 pub trait Device {
     fn status( &self ) -> Status;
     fn draw(
-	    &mut self,
+	    &self,
 	    frame: Vec<Point>,
     	speed: u32,
     ) -> LJResult<()> ;
diff --git a/src/main.rs b/src/main.rs
index e52ef28..cb05855 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -109,6 +109,6 @@ fn get_next_frame(
 		line = transformer.apply(&line);
 	}
 
-	//info!("Line: {:?}", line);
+	info!("Line: {:?}", line);
 	Ok(line)
 }