From a96f30edf45533cb0e41711556106d1583977081 Mon Sep 17 00:00:00 2001
From: Philipp Scheff <philippscheff@me.com>
Date: Mon, 3 Jul 2023 23:48:07 +0200
Subject: [PATCH] allow deed code can rx  & clippy

---
 embassy-stm32/src/can/bxcan.rs  |  1 +
 examples/stm32f7/src/bin/can.rs | 14 +++++++-------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/embassy-stm32/src/can/bxcan.rs b/embassy-stm32/src/can/bxcan.rs
index 260f567b..fbb4113e 100644
--- a/embassy-stm32/src/can/bxcan.rs
+++ b/embassy-stm32/src/can/bxcan.rs
@@ -387,6 +387,7 @@ impl<'c, 'd, T: Instance> CanTx<'c, 'd, T> {
     }
 }
 
+#[allow(dead_code)]
 pub struct CanRx<'c, 'd, T: Instance> {
     can: &'c RefCell<bxcan::Can<BxcanInstance<'d, T>>>,
 }
diff --git a/examples/stm32f7/src/bin/can.rs b/examples/stm32f7/src/bin/can.rs
index 65af9845..2383c23d 100644
--- a/examples/stm32f7/src/bin/can.rs
+++ b/examples/stm32f7/src/bin/can.rs
@@ -11,7 +11,7 @@ use embassy_stm32::bind_interrupts;
 use embassy_stm32::can::bxcan::filter::Mask32;
 use embassy_stm32::can::bxcan::{Data, Fifo, Frame, StandardId};
 use embassy_stm32::can::{
-    Can, CanRx, CanTx, Rx0InterruptHandler, Rx1InterruptHandler, SceInterruptHandler, TxInterruptHandler,
+    Can, CanTx, Rx0InterruptHandler, Rx1InterruptHandler, SceInterruptHandler, TxInterruptHandler,
 };
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_stm32::peripherals::CAN3;
@@ -46,21 +46,21 @@ async fn main(spawner: Spawner) {
     let rx_pin = Input::new(&mut p.PA15, Pull::Up);
     core::mem::forget(rx_pin);
 
-    let CAN: &'static mut Can<'static, CAN3> = static_cell::make_static!(Can::new(p.CAN3, p.PA8, p.PA15, Irqs));
-    CAN.as_mut()
+    let can: &'static mut Can<'static, CAN3> = static_cell::make_static!(Can::new(p.CAN3, p.PA8, p.PA15, Irqs));
+    can.as_mut()
         .modify_filters()
         .enable_bank(0, Fifo::Fifo0, Mask32::accept_all());
 
-    CAN.as_mut()
+    can.as_mut()
         .modify_config()
         .set_bit_timing(0x001c0001) // http://www.bittiming.can-wiki.info/
         .set_loopback(true)
         .enable();
 
-    let (tx, mut rx) = CAN.split();
+    let (tx, mut rx) = can.split();
 
-    let TX: &'static mut CanTx<'static, 'static, CAN3> = static_cell::make_static!(tx);
-    spawner.spawn(send_can_message(TX)).unwrap();
+    let tx: &'static mut CanTx<'static, 'static, CAN3> = static_cell::make_static!(tx);
+    spawner.spawn(send_can_message(tx)).unwrap();
 
     loop {
         let frame = rx.read().await.unwrap();