diff --git a/bluepill-rs/src/dmx.rs b/bluepill-rs/src/dmx.rs
index 3b1ce54..c1784c8 100644
--- a/bluepill-rs/src/dmx.rs
+++ b/bluepill-rs/src/dmx.rs
@@ -1,5 +1,5 @@
 use cortex_m::singleton;
-use stm32f1xx_hal::{afio, dma, pac, prelude::*, rcc, serial};
+use stm32f1xx_hal::{dma, pac, prelude::*, rcc, serial};
 
 type _TxDma = dma::TxDma<serial::Tx<pac::USART1>, dma::dma1::C4>;
 
@@ -15,17 +15,14 @@ pub enum DMX {
 
 impl DMX {
     pub fn new<PINS>(
-        usart: pac::USART1,
-        pins: PINS,
-        mapr: &mut afio::MAPR,
+        mut serial: serial::Serial<pac::USART1, PINS>,
         channel: dma::dma1::C4,
         clocks: &rcc::Clocks,
     ) -> Self
     where
         PINS: serial::Pins<pac::USART1>,
     {
-        // Serial config
-        let serial = serial::Serial::new(usart, pins, mapr, 250_000.bps(), &clocks);
+        let _ = serial.reconfigure(250_000.bps(), &clocks);
 
         Self::Idle(DMXIdle {
             tx: Some(serial.tx.with_dma(channel)),
@@ -42,7 +39,7 @@ impl DMX {
             let tx = idle.tx.take().unwrap();
 
             txbuffer.copy_from_slice(data);
-            *self = Self::Busy(Some(tx.write(txbuffer)))
+            *self = Self::Busy(Some(tx.write(txbuffer)));
         }
     }
 
diff --git a/bluepill-rs/src/main.rs b/bluepill-rs/src/main.rs
index 6dc0c4d..5b21814 100644
--- a/bluepill-rs/src/main.rs
+++ b/bluepill-rs/src/main.rs
@@ -12,7 +12,7 @@ extern crate panic_semihosting;
 #[rtic::app(device = stm32f1xx_hal::pac, dispatchers = [DMA1_CHANNEL4])]
 mod app {
     use cortex_m::singleton;
-    use stm32f1xx_hal::{gpio, pac, prelude::*, timer};
+    use stm32f1xx_hal::{gpio, pac, prelude::*, serial, timer};
     use systick_monotonic::Systick;
 
     use crate::dmx::DMX;
@@ -61,14 +61,14 @@ mod app {
         let dma1 = cx.device.DMA1.split();
 
         // Serial config
-        let dmx = DMX::new(
+        let serial = serial::Serial::new(
             cx.device.USART1,
             (
                 gpioa.pa9.into_alternate_open_drain(&mut gpioa.crh),
                 gpioa.pa10, //.into_pull_up_input(&mut gpioa.crh),
             ),
             &mut afio.mapr,
-            dma1.4,
+            serial::Config::default(),
             &clocks,
         );
 
@@ -77,7 +77,7 @@ mod app {
                 buffer: singleton!(: [u8; 512] = [0b01010101; 512]).unwrap(),
             },
             Local {
-                dmx: dmx,
+                dmx: DMX::new(serial, dma1.4, &clocks),
 
                 // Configure timer
                 delay_us: cx.device.TIM2.delay_us(&clocks),