diff --git a/src/main.rs b/src/main.rs
index 221b5f8..9dc2584 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,52 +1,20 @@
 #![no_std]
 #![no_main]
 
-use core::cmp::Ordering;
+mod model;
 
-use bxcan::Frame;
-use heapless::binary_heap::{BinaryHeap, Max};
 use panic_halt as _;
-use stm32f1xx_hal::pac::Interrupt;
-
-#[derive(Debug)]
-pub struct PriorityFrame(Frame);
-
-impl Ord for PriorityFrame {
-    fn cmp(&self, other: &Self) -> Ordering {
-        self.0.priority().cmp(&other.0.priority())
-    }
-}
-
-impl PartialOrd for PriorityFrame {
-    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        Some(self.cmp(other))
-    }
-}
-
-impl PartialEq for PriorityFrame {
-    fn eq(&self, other: &Self) -> bool {
-        self.cmp(other) == Ordering::Equal
-    }
-}
-
-impl Eq for PriorityFrame {}
-
-fn enqueue_frame(queue: &mut BinaryHeap<PriorityFrame, Max, 16>, frame: Frame) {
-    queue.push(PriorityFrame(frame)).unwrap();
-    rtic::pend(Interrupt::USB_HP_CAN_TX);
-}
 
 #[rtic::app(device = stm32f1xx_hal::pac)]
 mod app {
-    use heapless::binary_heap::{BinaryHeap, Max};
-
-    use super::{enqueue_frame, PriorityFrame};
+    use crate::model::PriorityFrame;
     use bxcan::{filter::Mask32, Fifo, Frame, Interrupts, Rx0, StandardId, Tx};
+    use heapless::binary_heap::{BinaryHeap, Max};
     use stm32f1xx_hal::{
         can::Can,
         device::TIM2,
         gpio::{Output, Pin},
-        pac::CAN1,
+        pac::{CAN1, Interrupt},
         prelude::*,
         timer::Delay,
     };
@@ -130,6 +98,11 @@ mod app {
         [b[0], b[1], b[0], b[1], b[0], b[1], b[0], b[1]]
     }
 
+    fn enqueue_frame(queue: &mut BinaryHeap<PriorityFrame, Max, 16>, frame: Frame) {
+        queue.push(PriorityFrame(frame)).unwrap();
+        rtic::pend(Interrupt::USB_HP_CAN_TX);
+    }
+
     #[idle(shared = [can_tx_queue, tx_count], local = [delay])]
     fn idle(cx: idle::Context) -> ! {
         let mut tx_queue = cx.shared.can_tx_queue;
diff --git a/src/model.rs b/src/model.rs
new file mode 100644
index 0000000..74604c1
--- /dev/null
+++ b/src/model.rs
@@ -0,0 +1,26 @@
+use core::cmp::Ordering;
+
+use bxcan::Frame;
+
+#[derive(Debug)]
+pub struct PriorityFrame(pub Frame);
+
+impl Ord for PriorityFrame {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.0.priority().cmp(&other.0.priority())
+    }
+}
+
+impl PartialOrd for PriorityFrame {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl PartialEq for PriorityFrame {
+    fn eq(&self, other: &Self) -> bool {
+        self.cmp(other) == Ordering::Equal
+    }
+}
+
+impl Eq for PriorityFrame {}