4 files changed, 114 insertions, 105 deletions

diff --git a/embassy-stm32/src/exti/mod.rs b/embassy-stm32/src/exti/mod.rs
new file mode 100644
index 000000000..126a6fb64
--- /dev/null
+++ b/embassy-stm32/src/exti/mod.rs
@@ -0,0 +1,111 @@
+#![macro_use]
+
+macro_rules! foreach_exti_irq {
+    ($action:ident) => {
+        crate::pac::interrupts!(
+            (EXTI0)  => { $action!(EXTI0); };
+            (EXTI1)  => { $action!(EXTI1); };
+            (EXTI2)  => { $action!(EXTI2); };
+            (EXTI3)  => { $action!(EXTI3); };
+            (EXTI4)  => { $action!(EXTI4); };
+            (EXTI5)  => { $action!(EXTI5); };
+            (EXTI6)  => { $action!(EXTI6); };
+            (EXTI7)  => { $action!(EXTI7); };
+            (EXTI8)  => { $action!(EXTI8); };
+            (EXTI9)  => { $action!(EXTI9); };
+            (EXTI10) => { $action!(EXTI10); };
+            (EXTI11) => { $action!(EXTI11); };
+            (EXTI12) => { $action!(EXTI12); };
+            (EXTI13) => { $action!(EXTI13); };
+            (EXTI14) => { $action!(EXTI14); };
+            (EXTI15) => { $action!(EXTI15); };
+
+            // plus the weird ones
+            (EXTI0_1)   => { $action!( EXTI0_1 ); };
+            (EXTI15_10) => { $action!(EXTI15_10); };
+            (EXTI15_4)  => { $action!(EXTI15_4); };
+            (EXTI1_0)   => { $action!(EXTI1_0); };
+            (EXTI2_3)   => { $action!(EXTI2_3); };
+            (EXTI2_TSC) => { $action!(EXTI2_TSC); };
+            (EXTI3_2)   => { $action!(EXTI3_2); };
+            (EXTI4_15)  => { $action!(EXTI4_15); };
+            (EXTI9_5)   => { $action!(EXTI9_5); };
+        );
+    };
+}
+
+#[cfg_attr(exti_v1, path = "v1.rs")]
+#[cfg_attr(exti_wb55, path = "v2.rs")]
+mod _version;
+
+#[allow(unused)]
+pub use _version::*;
+
+use crate::peripherals;
+use embassy_extras::unsafe_impl_unborrow;
+
+pub(crate) mod sealed {
+    pub trait Channel {}
+}
+
+pub trait Channel: sealed::Channel + Sized {
+    fn number(&self) -> usize;
+    fn degrade(self) -> AnyChannel {
+        AnyChannel {
+            number: self.number() as u8,
+        }
+    }
+}
+
+pub struct AnyChannel {
+    number: u8,
+}
+unsafe_impl_unborrow!(AnyChannel);
+impl sealed::Channel for AnyChannel {}
+impl Channel for AnyChannel {
+    fn number(&self) -> usize {
+        self.number as usize
+    }
+}
+
+macro_rules! impl_exti {
+    ($type:ident, $number:expr) => {
+        impl sealed::Channel for peripherals::$type {}
+        impl Channel for peripherals::$type {
+            fn number(&self) -> usize {
+                $number as usize
+            }
+        }
+    };
+}
+
+impl_exti!(EXTI0, 0);
+impl_exti!(EXTI1, 1);
+impl_exti!(EXTI2, 2);
+impl_exti!(EXTI3, 3);
+impl_exti!(EXTI4, 4);
+impl_exti!(EXTI5, 5);
+impl_exti!(EXTI6, 6);
+impl_exti!(EXTI7, 7);
+impl_exti!(EXTI8, 8);
+impl_exti!(EXTI9, 9);
+impl_exti!(EXTI10, 10);
+impl_exti!(EXTI11, 11);
+impl_exti!(EXTI12, 12);
+impl_exti!(EXTI13, 13);
+impl_exti!(EXTI14, 14);
+impl_exti!(EXTI15, 15);
+
+macro_rules! enable_irq {
+    ($e:ident) => {
+        crate::interrupt::$e::steal().enable();
+    };
+}
+
+/// safety: must be called only once
+pub(crate) unsafe fn init() {
+    use embassy::interrupt::Interrupt;
+    use embassy::interrupt::InterruptExt;
+
+    foreach_exti_irq!(enable_irq);
+}
diff --git a/embassy-stm32/src/exti.rs b/embassy-stm32/src/exti/v1.rs
index 90d4afd56..caf457605 100644
--- a/embassy-stm32/src/exti.rs
+++ b/embassy-stm32/src/exti/v1.rs
@@ -1,4 +1,3 @@
-#![macro_use]
 use core::convert::Infallible;
 use core::future::Future;
 use core::marker::PhantomData;
@@ -6,14 +5,12 @@ use core::pin::Pin;
 use core::task::{Context, Poll};
 use embassy::traits::gpio::{WaitForAnyEdge, WaitForFallingEdge, WaitForRisingEdge};
 use embassy::util::{AtomicWaker, Unborrow};
-use embassy_extras::unsafe_impl_unborrow;
 use embedded_hal::digital::v2::InputPin;
 use pac::exti::{regs, vals};
 
 use crate::gpio::{AnyPin, Input, Pin as GpioPin};
 use crate::pac;
 use crate::pac::{EXTI, SYSCFG};
-use crate::peripherals;
 
 const EXTI_COUNT: usize = 16;
 const NEW_AW: AtomicWaker = AtomicWaker::new();
@@ -160,106 +157,6 @@ impl<'a> Future for ExtiInputFuture<'a> {
     }
 }
 
-pub(crate) mod sealed {
-    pub trait Channel {}
-}
-
-pub trait Channel: sealed::Channel + Sized {
-    fn number(&self) -> usize;
-    fn degrade(self) -> AnyChannel {
-        AnyChannel {
-            number: self.number() as u8,
-        }
-    }
-}
-
-pub struct AnyChannel {
-    number: u8,
-}
-unsafe_impl_unborrow!(AnyChannel);
-impl sealed::Channel for AnyChannel {}
-impl Channel for AnyChannel {
-    fn number(&self) -> usize {
-        self.number as usize
-    }
-}
-
-macro_rules! impl_exti {
-    ($type:ident, $number:expr) => {
-        impl sealed::Channel for peripherals::$type {}
-        impl Channel for peripherals::$type {
-            fn number(&self) -> usize {
-                $number as usize
-            }
-        }
-    };
-}
-
-impl_exti!(EXTI0, 0);
-impl_exti!(EXTI1, 1);
-impl_exti!(EXTI2, 2);
-impl_exti!(EXTI3, 3);
-impl_exti!(EXTI4, 4);
-impl_exti!(EXTI5, 5);
-impl_exti!(EXTI6, 6);
-impl_exti!(EXTI7, 7);
-impl_exti!(EXTI8, 8);
-impl_exti!(EXTI9, 9);
-impl_exti!(EXTI10, 10);
-impl_exti!(EXTI11, 11);
-impl_exti!(EXTI12, 12);
-impl_exti!(EXTI13, 13);
-impl_exti!(EXTI14, 14);
-impl_exti!(EXTI15, 15);
-
-macro_rules! foreach_exti_irq {
-    ($action:ident) => {
-        crate::pac::interrupts!(
-            (EXTI0)  => { $action!(EXTI0); };
-            (EXTI1)  => { $action!(EXTI1); };
-            (EXTI2)  => { $action!(EXTI2); };
-            (EXTI3)  => { $action!(EXTI3); };
-            (EXTI4)  => { $action!(EXTI4); };
-            (EXTI5)  => { $action!(EXTI5); };
-            (EXTI6)  => { $action!(EXTI6); };
-            (EXTI7)  => { $action!(EXTI7); };
-            (EXTI8)  => { $action!(EXTI8); };
-            (EXTI9)  => { $action!(EXTI9); };
-            (EXTI10) => { $action!(EXTI10); };
-            (EXTI11) => { $action!(EXTI11); };
-            (EXTI12) => { $action!(EXTI12); };
-            (EXTI13) => { $action!(EXTI13); };
-            (EXTI14) => { $action!(EXTI14); };
-            (EXTI15) => { $action!(EXTI15); };
-
-            // plus the weird ones
-            (EXTI0_1)   => { $action!( EXTI0_1 ); };
-            (EXTI15_10) => { $action!(EXTI15_10); };
-            (EXTI15_4)  => { $action!(EXTI15_4); };
-            (EXTI1_0)   => { $action!(EXTI1_0); };
-            (EXTI2_3)   => { $action!(EXTI2_3); };
-            (EXTI2_TSC) => { $action!(EXTI2_TSC); };
-            (EXTI3_2)   => { $action!(EXTI3_2); };
-            (EXTI4_15)  => { $action!(EXTI4_15); };
-            (EXTI9_5)   => { $action!(EXTI9_5); };
-        );
-    };
-}
-
-macro_rules! enable_irq {
-    ($e:ident) => {
-        crate::interrupt::$e::steal().enable();
-    };
-}
-
-/// safety: must be called only once
-pub(crate) unsafe fn init() {
-    use embassy::interrupt::Interrupt;
-    use embassy::interrupt::InterruptExt;
-
-    foreach_exti_irq!(enable_irq);
-}
-
 use crate::interrupt;
 
 macro_rules! impl_irq {
diff --git a/embassy-stm32/src/exti/v2.rs b/embassy-stm32/src/exti/v2.rs
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/embassy-stm32/src/exti/v2.rs
@@ -0,0 +1 @@
+
diff --git a/embassy-stm32/src/lib.rs b/embassy-stm32/src/lib.rs
index 383843d04..9ba7bbe4c 100644
--- a/embassy-stm32/src/lib.rs
+++ b/embassy-stm32/src/lib.rs
@@ -30,7 +30,7 @@ pub mod dac;
 pub mod dma;
 #[cfg(all(eth, feature = "net"))]
 pub mod eth;
-#[cfg(exti_v1)]
+#[cfg(exti)]
 pub mod exti;
 #[cfg(i2c)]
 pub mod i2c;
@@ -86,7 +86,7 @@ pub fn init(config: Config) -> Peripherals {
     unsafe {
         #[cfg(dma)]
         dma::init();
-        #[cfg(exti_v1)]
+        #[cfg(exti)]
         exti::init();
         rcc::init(config.rcc);
     }