diff --git a/src/epd4in2/constants.rs b/src/epd4in2/constants.rs
index f64548c..0821cb2 100644
--- a/src/epd4in2/constants.rs
+++ b/src/epd4in2/constants.rs
@@ -4,6 +4,7 @@ pub const WIDTH: u32 = 400;
 pub const HEIGHT: u32 = 300;
 pub const DEFAULT_BACKGROUND_COLOR: Color = Color::White;
 
+#[rustfmt::skip]
 pub(crate) const LUT_VCOM0: [u8; 44] = [
 0x00, 0x17, 0x00, 0x00, 0x00, 0x02,        
 0x00, 0x17, 0x17, 0x00, 0x00, 0x02,        
@@ -14,6 +15,7 @@ pub(crate) const LUT_VCOM0: [u8; 44] = [
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 ];
 
+#[rustfmt::skip]
 pub(crate) const LUT_VCOM0_QUICK: [u8; 44] = [
 0x00, 0x0E, 0x00, 0x00, 0x00, 0x01,        
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,        
@@ -24,7 +26,7 @@ pub(crate) const LUT_VCOM0_QUICK: [u8; 44] = [
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 ];
 
-
+#[rustfmt::skip]
 pub(crate) const LUT_WW: [u8; 42] =[
 0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
 0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
@@ -35,7 +37,7 @@ pub(crate) const LUT_WW: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 ];
 
-
+#[rustfmt::skip]
 pub(crate) const LUT_WW_QUICK: [u8; 42] =[
 0xA0, 0x0E, 0x00, 0x00, 0x00, 0x01,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -46,7 +48,7 @@ pub(crate) const LUT_WW_QUICK: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 ];
 
-
+#[rustfmt::skip]
 pub(crate) const LUT_BW: [u8; 42] =[
 0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
 0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
@@ -57,7 +59,7 @@ pub(crate) const LUT_BW: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,      
 ];
 
-
+#[rustfmt::skip]
 pub(crate) const LUT_BW_QUICK: [u8; 42] =[
 0xA0, 0x0E, 0x00, 0x00, 0x00, 0x01,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -68,7 +70,7 @@ pub(crate) const LUT_BW_QUICK: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     
 ];
 
-
+#[rustfmt::skip]
 pub(crate) const LUT_BB: [u8; 42] =[
 0x80, 0x17, 0x00, 0x00, 0x00, 0x02,
 0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
@@ -79,7 +81,7 @@ pub(crate) const LUT_BB: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,             
 ];
 
-
+#[rustfmt::skip]
 pub(crate) const LUT_BB_QUICK: [u8; 42] =[
 0x50, 0x0E, 0x00, 0x00, 0x00, 0x01,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -90,7 +92,7 @@ pub(crate) const LUT_BB_QUICK: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     
 ];
 
-
+#[rustfmt::skip]
 pub(crate) const LUT_WB: [u8; 42] =[
 0x80, 0x17, 0x00, 0x00, 0x00, 0x02,
 0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
@@ -101,7 +103,7 @@ pub(crate) const LUT_WB: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,            
 ];
 
-
+#[rustfmt::skip]
 pub(crate) const LUT_WB_QUICK: [u8; 42] =[
 0x50, 0x0E, 0x00, 0x00, 0x00, 0x01,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
diff --git a/src/graphics.rs b/src/graphics.rs
index 1a5bb0f..df28f0f 100644
--- a/src/graphics.rs
+++ b/src/graphics.rs
@@ -3,7 +3,7 @@
 use color::Color;
 use embedded_graphics::prelude::*;
 
-/// Displayrotation 
+/// Displayrotation
 #[derive(Clone, Copy)]
 pub enum DisplayRotation {
     /// No rotation
@@ -82,7 +82,7 @@ impl<'a> Drawing<Color> for Display<'a> {
                 Color::White => {
                     self.buffer[index] |= bit;
                 }
-            }            
+            }
         }
     }
 }
@@ -97,12 +97,14 @@ fn outside_display(x: u32, y: u32, width: u32, height: u32, rotation: DisplayRot
         DisplayRotation::Rotate90 | DisplayRotation::Rotate270 => {
             if y >= width || x >= height {
                 return true;
-            } 
+            }
         }
     }
     false
 }
 
+#[rustfmt::skip]
+//returns index position in the u8-slice and the bit-position inside that u8
 fn rotation(x: u32, y: u32, width: u32, height: u32, rotation: DisplayRotation) -> (u32, u8) {
     match rotation {
         DisplayRotation::Rotate0 => (
@@ -147,7 +149,7 @@ mod tests {
 
         for &byte in display.buffer.iter() {
             assert_eq!(byte, Color::White.get_byte_value());
-        }        
+        }
     }
 
     #[test]
@@ -181,7 +183,7 @@ mod tests {
         use epd2in9::DEFAULT_BACKGROUND_COLOR;
         let width = 128;
         let height = 296;
-        
+
         let mut buffer = [DEFAULT_BACKGROUND_COLOR.get_byte_value(); 128 / 8 * 296];
         let mut display = Display::new(width, height, &mut buffer);
 
@@ -190,7 +192,7 @@ mod tests {
                 .with_stroke(Some(Color::Black))
                 .into_iter(),
         );
-        
+
         let buffer = display.buffer();
 
         assert_eq!(buffer[0], Color::Black.get_byte_value());
@@ -205,7 +207,7 @@ mod tests {
         use epd2in9::DEFAULT_BACKGROUND_COLOR;
         let width = 128;
         let height = 296;
-        
+
         let mut buffer = [DEFAULT_BACKGROUND_COLOR.get_byte_value(); 128 / 8 * 296];
         let mut display = Display::new(width, height, &mut buffer);
 
@@ -216,7 +218,7 @@ mod tests {
                 .with_stroke(Some(Color::Black))
                 .into_iter(),
         );
-        
+
         let buffer = display.buffer();
 
         extern crate std;
diff --git a/src/type_a/constants.rs b/src/type_a/constants.rs
index c4bb9c1..f1afc9e 100644
--- a/src/type_a/constants.rs
+++ b/src/type_a/constants.rs
@@ -1,4 +1,5 @@
 // Original Waveforms from Waveshare
+#[rustfmt::skip]
 pub(crate) const LUT_FULL_UPDATE: [u8; 30] =[
     0x02, 0x02, 0x01, 0x11, 0x12, 0x12, 0x22, 0x22, 
     0x66, 0x69, 0x69, 0x59, 0x58, 0x99, 0x99, 0x88, 
@@ -6,6 +7,7 @@ pub(crate) const LUT_FULL_UPDATE: [u8; 30] =[
     0x35, 0x51, 0x51, 0x19, 0x01, 0x00       
 ];
 
+#[rustfmt::skip]
 pub(crate) const LUT_PARTIAL_UPDATE: [u8; 30] =[
     0x10, 0x18, 0x18, 0x08, 0x18, 0x18, 0x08, 0x00, 
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,