Fix clippy lints

src/color.rs

@@ -14,7 +14,7 @@ pub enum Color {
 
 impl Color {
     /// Get the color encoding of the color for one bit
-    pub fn get_bit_value(&self) -> u8 {
+    pub fn get_bit_value(self) -> u8 {
         match self {
             Color::White => 1u8,
             Color::Black => 0u8,
@@ -22,7 +22,7 @@ impl Color {
     }
 
     /// Gets a full byte of black or white pixels
-    pub fn get_byte_value(&self) -> u8 {
+    pub fn get_byte_value(self) -> u8 {
         match self {
             Color::White => 0xff,
             Color::Black => 0x00,
@@ -41,7 +41,7 @@ impl Color {
     /// Returns the inverse of the given color. 
     /// 
     /// Black returns White and White returns Black
-    pub fn inverse(&self) -> Color {
+    pub fn inverse(self) -> Color {
         match self {
             Color::White => Color::Black,
             Color::Black => Color::White,

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;
 
+
 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,
 ];
 
+#[allow(dead_code)]
 #[cfg(feature = "epd4in2_fast_update")]
 pub(crate) const LUT_VCOM0_QUICK: [u8; 44] = [
 0x00, 0x0E, 0x00, 0x00, 0x00, 0x01,        
@@ -36,6 +38,7 @@ pub(crate) const LUT_WW: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 ];
 
+#[allow(dead_code)]
 #[cfg(feature = "epd4in2_fast_update")]
 pub(crate) const LUT_WW_QUICK: [u8; 42] =[
 0xA0, 0x0E, 0x00, 0x00, 0x00, 0x01,
@@ -58,6 +61,7 @@ pub(crate) const LUT_BW: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,      
 ];
 
+#[allow(dead_code)]
 #[cfg(feature = "epd4in2_fast_update")]
 pub(crate) const LUT_BW_QUICK: [u8; 42] =[
 0xA0, 0x0E, 0x00, 0x00, 0x00, 0x01,
@@ -80,6 +84,7 @@ pub(crate) const LUT_BB: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,             
 ];
 
+#[allow(dead_code)]
 #[cfg(feature = "epd4in2_fast_update")]
 pub(crate) const LUT_BB_QUICK: [u8; 42] =[
 0x50, 0x0E, 0x00, 0x00, 0x00, 0x01,
@@ -102,6 +107,7 @@ pub(crate) const LUT_WB: [u8; 42] =[
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,            
 ];
 
+#[allow(dead_code)]
 #[cfg(feature = "epd4in2_fast_update")]
 pub(crate) const LUT_WB_QUICK: [u8; 42] =[
 0x50, 0x0E, 0x00, 0x00, 0x00, 0x01,

src/epd4in2/mod.rs

@@ -323,18 +323,18 @@ where
         self.send_data(spi, &[h as u8])
     }
 
-    /// Fill the look-up table for the EPD
+    /// Fill the look-up table for the EPD for a full refresh (slower)
-    //TODO: make public?
+    pub fn set_lut(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
-    fn set_lut(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
         self.set_lut_helper(spi, &LUT_VCOM0, &LUT_WW, &LUT_BW, &LUT_WB, &LUT_BB)
     }
 
-    /// Fill the look-up table for a quick display (partial refresh)
+    /// Fill the look-up table for a quick refresh (partial refresh)
     ///
-    /// Is automatically done by [EPD4in2::display_frame_quick()](EPD4in2::display_frame_quick())
+    /// WARNING: Might lead to ghosting-effects
-    /// //TODO: make public?
+    #[allow(dead_code)]
+    #[deprecated(note = "Might lead to ghosting-effects/problems with your display. Use set_lut instead!")]
     #[cfg(feature = "epd4in2_fast_update")]
-    fn set_lut_quick(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
+    pub fn set_lut_quick(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
         self.set_lut_helper(
             spi,
             &LUT_VCOM0_QUICK,