From f26fb37c68df1c6edf26b29b3776a387b35345eb Mon Sep 17 00:00:00 2001
From: Andelf <andelf@gmail.com>
Date: Sun, 29 Dec 2024 23:46:54 +0800
Subject: [PATCH] fix(can): add support for ch32l1, w/o canfd

---
 src/can/can.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/can/can.rs b/src/can/can.rs
index 5b7a565..2a327d0 100644
--- a/src/can/can.rs
+++ b/src/can/can.rs
@@ -148,8 +148,12 @@ pin_trait!(TxPin, Instance);
 foreach_peripheral!(
     (can, $inst:ident) => {
         impl SealedInstance for peripherals::$inst {
+            // FIXME: CH32L1 supports CANFD, and is compatible with the CAN peripheral.
             fn regs() -> crate::pac::can::Can {
-                crate::pac::$inst
+                #[cfg(ch32l1)]
+                return unsafe { crate::pac::can::Can::from_ptr(crate::pac::$inst.as_ptr()) };
+                #[cfg(not(ch32l1))]
+                return crate::pac::$inst;
             }
         }