stm32/can: simplify bxcan api, merging bx::* into the main structs.

The bx::* separate structs (Can, Rx, Tx) and separate `Instance` trait
are a relic from the `bxcan` crate. Remove them, move the functionality
into the main structs.

1 files changed, 3 insertions, 8 deletions

diff --git a/examples/stm32f4/src/bin/can.rs b/examples/stm32f4/src/bin/can.rs
index 71b9453eb..cedc057a7 100644
--- a/examples/stm32f4/src/bin/can.rs
+++ b/examples/stm32f4/src/bin/can.rs
@@ -35,17 +35,12 @@ async fn main(_spawner: Spawner) {
 
     let mut can = Can::new(p.CAN1, p.PA11, p.PA12, Irqs);
 
-    can.as_mut()
-        .modify_filters()
-        .enable_bank(0, Fifo::Fifo0, Mask32::accept_all());
+    can.modify_filters().enable_bank(0, Fifo::Fifo0, Mask32::accept_all());
 
-    can.as_mut()
-        .modify_config()
+    can.modify_config()
         .set_loopback(true) // Receive own frames
         .set_silent(true)
-        .leave_disabled();
-
-    can.set_bitrate(1_000_000);
+        .set_bitrate(1_000_000);
 
     can.enable().await;