diff --git a/src/lib.rs b/src/lib.rs
index 790cc58..99dc2a2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -28,13 +28,13 @@ where
     }
 
     fn write_color_channel(&self, data: u8) {
-        let (mut data, port_data) = (data, P::read());
+        let mut data = data;
         unsafe {
             for _ in 0..8 {
-                P::write(port_data | P::PIN_POS);
+                P::set_high();
                 asm!("rjmp +0");
                 if data & MSB == 0 {
-                    P::write(port_data & !P::PIN_POS);
+                    P::set_low();
                 }
                 asm!(
                     "
@@ -42,7 +42,7 @@ where
                     rjmp +0
                     "
                 );
-                P::write(port_data & !P::PIN_POS);
+                P::set_low();
                 asm!(
                     "
                     rjmp +0
@@ -78,4 +78,3 @@ where
         Ok(())
     }
 }
-