fix merge conflict

26 files changed, 333 insertions, 137 deletions

diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml
index 4e29bb32f..f876c7146 100644
--- a/embassy-stm32/Cargo.toml
+++ b/embassy-stm32/Cargo.toml
@@ -32,11 +32,9 @@ flavors = [
 
 [dependencies]
 embassy-sync = { version = "0.2.0", path = "../embassy-sync" }
-embassy-executor = { version = "0.2.0", path = "../embassy-executor" }
 embassy-time = { version = "0.1.0", path = "../embassy-time", optional = true }
 embassy-futures = { version = "0.1.0", path = "../embassy-futures" }
-embassy-cortex-m = { version = "0.1.0", path = "../embassy-cortex-m", features = ["prio-bits-4"]}
-embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common" }
+embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common", features = ["cortex-m", "prio-bits-4"] }
 embassy-embedded-hal = {version = "0.1.0", path = "../embassy-embedded-hal" }
 embassy-net-driver = { version = "0.1.0", path = "../embassy-net-driver" }
 embassy-usb-driver = {version = "0.1.0", path = "../embassy-usb-driver", optional = true }
@@ -79,8 +77,10 @@ quote = "1.0.15"
 stm32-metapac = { version = "9", default-features = false, features = ["metadata"]}
 
 [features]
-default = ["stm32-metapac/rt"]
-defmt = ["dep:defmt", "bxcan/unstable-defmt", "embassy-sync/defmt", "embassy-executor/defmt", "embassy-embedded-hal/defmt", "embassy-hal-common/defmt", "embedded-io?/defmt", "embassy-usb-driver?/defmt", "embassy-net-driver/defmt"]
+default = ["rt"]
+rt = ["stm32-metapac/rt"]
+
+defmt = ["dep:defmt", "bxcan/unstable-defmt", "embassy-sync/defmt", "embassy-embedded-hal/defmt", "embassy-hal-common/defmt", "embedded-io?/defmt", "embassy-usb-driver?/defmt", "embassy-net-driver/defmt"]
 memory-x = ["stm32-metapac/memory-x"]
 exti = []
 
@@ -99,7 +99,7 @@ time-driver-tim12 = ["_time-driver"]
 time-driver-tim15 = ["_time-driver"]
 
 # Enable nightly-only features
-nightly = ["embassy-executor/nightly", "embedded-hal-1", "embedded-hal-async", "embedded-storage-async", "dep:embedded-io", "dep:embassy-usb-driver", "embassy-embedded-hal/nightly"]
+nightly = ["embedded-hal-1", "embedded-hal-async", "embedded-storage-async", "dep:embedded-io", "dep:embassy-usb-driver", "embassy-embedded-hal/nightly"]
 
 # Reexport stm32-metapac at `embassy_stm32::pac`.
 # This is unstable because semver-minor (non-breaking) releases of embassy-stm32 may major-bump (breaking) the stm32-metapac version.
diff --git a/embassy-stm32/build.rs b/embassy-stm32/build.rs
index 730c78f5e..9e597f187 100644
--- a/embassy-stm32/build.rs
+++ b/embassy-stm32/build.rs
@@ -160,13 +160,11 @@ fn main() {
     }
 
     g.extend(quote! {
-        pub mod interrupt {
-            use crate::pac::Interrupt as InterruptEnum;
-            use embassy_cortex_m::interrupt::_export::declare;
+        embassy_hal_common::interrupt_mod!(
             #(
-                declare!(#irqs);
+                #irqs,
             )*
-        }
+        );
     });
 
     // ========
@@ -297,6 +295,7 @@ fn main() {
         let channels = channels.iter().map(|(_, dma, ch)| format_ident!("{}_{}", dma, ch));
 
         g.extend(quote! {
+            #[cfg(feature = "rt")]
             #[crate::interrupt]
             unsafe fn #irq () {
                 #(
diff --git a/embassy-stm32/src/dcmi.rs b/embassy-stm32/src/dcmi.rs
index c13915a1b..41305d273 100644
--- a/embassy-stm32/src/dcmi.rs
+++ b/embassy-stm32/src/dcmi.rs
@@ -8,7 +8,7 @@ use embassy_sync::waitqueue::AtomicWaker;
 use crate::dma::Transfer;
 use crate::gpio::sealed::AFType;
 use crate::gpio::Speed;
-use crate::interrupt::Interrupt;
+use crate::interrupt::typelevel::Interrupt;
 use crate::{interrupt, Peripheral};
 
 /// Interrupt handler.
@@ -16,7 +16,7 @@ pub struct InterruptHandler<T: Instance> {
     _phantom: PhantomData<T>,
 }
 
-impl<T: Instance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
+impl<T: Instance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
     unsafe fn on_interrupt() {
         let ris = crate::pac::DCMI.ris().read();
         if ris.err_ris() {
@@ -119,7 +119,7 @@ where
     pub fn new_8bit(
         peri: impl Peripheral<P = T> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
         d1: impl Peripheral<P = impl D1Pin<T>> + 'd,
         d2: impl Peripheral<P = impl D2Pin<T>> + 'd,
@@ -143,7 +143,7 @@ where
     pub fn new_10bit(
         peri: impl Peripheral<P = T> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
         d1: impl Peripheral<P = impl D1Pin<T>> + 'd,
         d2: impl Peripheral<P = impl D2Pin<T>> + 'd,
@@ -169,7 +169,7 @@ where
     pub fn new_12bit(
         peri: impl Peripheral<P = T> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
         d1: impl Peripheral<P = impl D1Pin<T>> + 'd,
         d2: impl Peripheral<P = impl D2Pin<T>> + 'd,
@@ -197,7 +197,7 @@ where
     pub fn new_14bit(
         peri: impl Peripheral<P = T> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
         d1: impl Peripheral<P = impl D1Pin<T>> + 'd,
         d2: impl Peripheral<P = impl D2Pin<T>> + 'd,
@@ -227,7 +227,7 @@ where
     pub fn new_es_8bit(
         peri: impl Peripheral<P = T> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
         d1: impl Peripheral<P = impl D1Pin<T>> + 'd,
         d2: impl Peripheral<P = impl D2Pin<T>> + 'd,
@@ -249,7 +249,7 @@ where
     pub fn new_es_10bit(
         peri: impl Peripheral<P = T> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
         d1: impl Peripheral<P = impl D1Pin<T>> + 'd,
         d2: impl Peripheral<P = impl D2Pin<T>> + 'd,
@@ -273,7 +273,7 @@ where
     pub fn new_es_12bit(
         peri: impl Peripheral<P = T> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
         d1: impl Peripheral<P = impl D1Pin<T>> + 'd,
         d2: impl Peripheral<P = impl D2Pin<T>> + 'd,
@@ -299,7 +299,7 @@ where
     pub fn new_es_14bit(
         peri: impl Peripheral<P = T> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
         d1: impl Peripheral<P = impl D1Pin<T>> + 'd,
         d2: impl Peripheral<P = impl D2Pin<T>> + 'd,
@@ -570,7 +570,7 @@ mod sealed {
 }
 
 pub trait Instance: sealed::Instance + 'static {
-    type Interrupt: Interrupt;
+    type Interrupt: interrupt::typelevel::Interrupt;
 }
 
 pin_trait!(D0Pin, Instance);
@@ -602,7 +602,7 @@ macro_rules! impl_peripheral {
         }
 
         impl Instance for crate::peripherals::$inst {
-            type Interrupt = crate::interrupt::$irq;
+            type Interrupt = crate::interrupt::typelevel::$irq;
         }
     };
 }
diff --git a/embassy-stm32/src/dma/bdma.rs b/embassy-stm32/src/dma/bdma.rs
index 7a1ecda35..c0a503e25 100644
--- a/embassy-stm32/src/dma/bdma.rs
+++ b/embassy-stm32/src/dma/bdma.rs
@@ -6,7 +6,6 @@ use core::sync::atomic::{fence, Ordering};
 use core::task::{Context, Poll, Waker};
 
 use atomic_polyfill::AtomicUsize;
-use embassy_cortex_m::interrupt::Priority;
 use embassy_hal_common::{into_ref, Peripheral, PeripheralRef};
 use embassy_sync::waitqueue::AtomicWaker;
 
@@ -14,7 +13,8 @@ use super::ringbuffer::{DmaCtrl, DmaRingBuffer, OverrunError};
 use super::word::{Word, WordSize};
 use super::Dir;
 use crate::_generated::BDMA_CHANNEL_COUNT;
-use crate::interrupt::Interrupt;
+use crate::interrupt::typelevel::Interrupt;
+use crate::interrupt::Priority;
 use crate::pac;
 use crate::pac::bdma::{regs, vals};
 
@@ -70,8 +70,8 @@ static STATE: State = State::new();
 pub(crate) unsafe fn init(irq_priority: Priority) {
     foreach_interrupt! {
         ($peri:ident, bdma, $block:ident, $signal_name:ident, $irq:ident) => {
-            crate::interrupt::$irq::set_priority(irq_priority);
-            crate::interrupt::$irq::enable();
+            crate::interrupt::typelevel::$irq::set_priority(irq_priority);
+            crate::interrupt::typelevel::$irq::enable();
         };
     }
     crate::_generated::init_bdma();
diff --git a/embassy-stm32/src/dma/dma.rs b/embassy-stm32/src/dma/dma.rs
index 3b602b991..874cb013a 100644
--- a/embassy-stm32/src/dma/dma.rs
+++ b/embassy-stm32/src/dma/dma.rs
@@ -5,7 +5,6 @@ use core::sync::atomic::{fence, Ordering};
 use core::task::{Context, Poll, Waker};
 
 use atomic_polyfill::AtomicUsize;
-use embassy_cortex_m::interrupt::Priority;
 use embassy_hal_common::{into_ref, Peripheral, PeripheralRef};
 use embassy_sync::waitqueue::AtomicWaker;
 
@@ -13,7 +12,8 @@ use super::ringbuffer::{DmaCtrl, DmaRingBuffer, OverrunError};
 use super::word::{Word, WordSize};
 use super::Dir;
 use crate::_generated::DMA_CHANNEL_COUNT;
-use crate::interrupt::Interrupt;
+use crate::interrupt::typelevel::Interrupt;
+use crate::interrupt::Priority;
 use crate::pac::dma::{regs, vals};
 use crate::{interrupt, pac};
 
@@ -149,8 +149,8 @@ static STATE: State = State::new();
 pub(crate) unsafe fn init(irq_priority: Priority) {
     foreach_interrupt! {
         ($peri:ident, dma, $block:ident, $signal_name:ident, $irq:ident) => {
-            interrupt::$irq::set_priority(irq_priority);
-            interrupt::$irq::enable();
+            interrupt::typelevel::$irq::set_priority(irq_priority);
+            interrupt::typelevel::$irq::enable();
         };
     }
     crate::_generated::init_dma();
diff --git a/embassy-stm32/src/dma/gpdma.rs b/embassy-stm32/src/dma/gpdma.rs
index 7f8b82b46..3f0d5e8fa 100644
--- a/embassy-stm32/src/dma/gpdma.rs
+++ b/embassy-stm32/src/dma/gpdma.rs
@@ -5,14 +5,14 @@ use core::pin::Pin;
 use core::sync::atomic::{fence, Ordering};
 use core::task::{Context, Poll};
 
-use embassy_cortex_m::interrupt::Priority;
 use embassy_hal_common::{into_ref, Peripheral, PeripheralRef};
 use embassy_sync::waitqueue::AtomicWaker;
 
 use super::word::{Word, WordSize};
 use super::Dir;
 use crate::_generated::GPDMA_CHANNEL_COUNT;
-use crate::interrupt::Interrupt;
+use crate::interrupt::typelevel::Interrupt;
+use crate::interrupt::Priority;
 use crate::pac;
 use crate::pac::gpdma::vals;
 
@@ -56,8 +56,8 @@ static STATE: State = State::new();
 pub(crate) unsafe fn init(irq_priority: Priority) {
     foreach_interrupt! {
         ($peri:ident, gpdma, $block:ident, $signal_name:ident, $irq:ident) => {
-            crate::interrupt::$irq::set_priority(irq_priority);
-            crate::interrupt::$irq::enable();
+            crate::interrupt::typelevel::$irq::set_priority(irq_priority);
+            crate::interrupt::typelevel::$irq::enable();
         };
     }
     crate::_generated::init_gpdma();
diff --git a/embassy-stm32/src/dma/mod.rs b/embassy-stm32/src/dma/mod.rs
index 3ac0d1b3d..0858587bd 100644
--- a/embassy-stm32/src/dma/mod.rs
+++ b/embassy-stm32/src/dma/mod.rs
@@ -26,11 +26,11 @@ pub mod word;
 
 use core::mem;
 
-use embassy_cortex_m::interrupt::Priority;
 use embassy_hal_common::impl_peripheral;
 
 #[cfg(dmamux)]
 pub use self::dmamux::*;
+use crate::interrupt::Priority;
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
diff --git a/embassy-stm32/src/eth/v1/mod.rs b/embassy-stm32/src/eth/v1/mod.rs
index a5f1a268d..540cdd027 100644
--- a/embassy-stm32/src/eth/v1/mod.rs
+++ b/embassy-stm32/src/eth/v1/mod.rs
@@ -5,7 +5,6 @@ mod tx_desc;
 
 use core::sync::atomic::{fence, Ordering};
 
-use embassy_cortex_m::interrupt::Interrupt;
 use embassy_hal_common::{into_ref, PeripheralRef};
 use stm32_metapac::eth::vals::{Apcs, Cr, Dm, DmaomrSr, Fes, Ftf, Ifg, MbProgress, Mw, Pbl, Rsf, St, Tsf};
 
@@ -14,6 +13,7 @@ pub(crate) use self::tx_desc::{TDes, TDesRing};
 use super::*;
 use crate::gpio::sealed::{AFType, Pin as __GpioPin};
 use crate::gpio::AnyPin;
+use crate::interrupt::InterruptExt;
 #[cfg(eth_v1a)]
 use crate::pac::AFIO;
 #[cfg(any(eth_v1b, eth_v1c))]
@@ -24,7 +24,7 @@ use crate::{interrupt, Peripheral};
 /// Interrupt handler.
 pub struct InterruptHandler {}
 
-impl interrupt::Handler<interrupt::ETH> for InterruptHandler {
+impl interrupt::typelevel::Handler<interrupt::typelevel::ETH> for InterruptHandler {
     unsafe fn on_interrupt() {
         WAKER.wake();
 
@@ -100,7 +100,7 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
     pub fn new<const TX: usize, const RX: usize>(
         queue: &'d mut PacketQueue<TX, RX>,
         peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<interrupt::ETH, InterruptHandler> + 'd,
+        _irq: impl interrupt::typelevel::Binding<interrupt::typelevel::ETH, InterruptHandler> + 'd,
         ref_clk: impl Peripheral<P = impl RefClkPin<T>> + 'd,
         mdio: impl Peripheral<P = impl MDIOPin<T>> + 'd,
         mdc: impl Peripheral<P = impl MDCPin<T>> + 'd,
@@ -267,8 +267,8 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
             P::phy_reset(&mut this);
             P::phy_init(&mut this);
 
-            interrupt::ETH::unpend();
-            interrupt::ETH::enable();
+            interrupt::ETH.unpend();
+            interrupt::ETH.enable();
 
             this
         }
diff --git a/embassy-stm32/src/eth/v2/mod.rs b/embassy-stm32/src/eth/v2/mod.rs
index 9efa436ac..3e45eafd5 100644
--- a/embassy-stm32/src/eth/v2/mod.rs
+++ b/embassy-stm32/src/eth/v2/mod.rs
@@ -2,20 +2,20 @@ mod descriptors;
 
 use core::sync::atomic::{fence, Ordering};
 
-use embassy_cortex_m::interrupt::Interrupt;
 use embassy_hal_common::{into_ref, PeripheralRef};
 
 pub(crate) use self::descriptors::{RDes, RDesRing, TDes, TDesRing};
 use super::*;
 use crate::gpio::sealed::{AFType, Pin as _};
 use crate::gpio::{AnyPin, Speed};
+use crate::interrupt::InterruptExt;
 use crate::pac::ETH;
 use crate::{interrupt, Peripheral};
 
 /// Interrupt handler.
 pub struct InterruptHandler {}
 
-impl interrupt::Handler<interrupt::ETH> for InterruptHandler {
+impl interrupt::typelevel::Handler<interrupt::typelevel::ETH> for InterruptHandler {
     unsafe fn on_interrupt() {
         WAKER.wake();
 
@@ -64,7 +64,7 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
     pub fn new<const TX: usize, const RX: usize>(
         queue: &'d mut PacketQueue<TX, RX>,
         peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<interrupt::ETH, InterruptHandler> + 'd,
+        _irq: impl interrupt::typelevel::Binding<interrupt::typelevel::ETH, InterruptHandler> + 'd,
         ref_clk: impl Peripheral<P = impl RefClkPin<T>> + 'd,
         mdio: impl Peripheral<P = impl MDIOPin<T>> + 'd,
         mdc: impl Peripheral<P = impl MDCPin<T>> + 'd,
@@ -238,8 +238,8 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
             P::phy_reset(&mut this);
             P::phy_init(&mut this);
 
-            interrupt::ETH::unpend();
-            interrupt::ETH::enable();
+            interrupt::ETH.unpend();
+            interrupt::ETH.enable();
 
             this
         }
diff --git a/embassy-stm32/src/exti.rs b/embassy-stm32/src/exti.rs
index c2fa31b20..0631ae473 100644
--- a/embassy-stm32/src/exti.rs
+++ b/embassy-stm32/src/exti.rs
@@ -291,6 +291,7 @@ macro_rules! foreach_exti_irq {
 
 macro_rules! impl_irq {
     ($e:ident) => {
+        #[cfg(feature = "rt")]
         #[interrupt]
         unsafe fn $e() {
             on_irq()
@@ -354,13 +355,13 @@ impl_exti!(EXTI15, 15);
 
 macro_rules! enable_irq {
     ($e:ident) => {
-        crate::interrupt::$e::enable();
+        crate::interrupt::typelevel::$e::enable();
     };
 }
 
 /// safety: must be called only once
 pub(crate) unsafe fn init() {
-    use crate::interrupt::Interrupt;
+    use crate::interrupt::typelevel::Interrupt;
 
     foreach_exti_irq!(enable_irq);
 
diff --git a/embassy-stm32/src/flash/asynch.rs b/embassy-stm32/src/flash/asynch.rs
index 872614d4e..70a5ded62 100644
--- a/embassy-stm32/src/flash/asynch.rs
+++ b/embassy-stm32/src/flash/asynch.rs
@@ -1,7 +1,6 @@
 use core::marker::PhantomData;
 
 use atomic_polyfill::{fence, Ordering};
-use embassy_cortex_m::interrupt::Interrupt;
 use embassy_hal_common::drop::OnDrop;
 use embassy_hal_common::into_ref;
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
@@ -11,6 +10,7 @@ use super::{
     blocking_read, ensure_sector_aligned, family, get_sector, Async, Error, Flash, FlashLayout, FLASH_BASE, FLASH_SIZE,
     WRITE_SIZE,
 };
+use crate::interrupt::InterruptExt;
 use crate::peripherals::FLASH;
 use crate::{interrupt, Peripheral};
 
@@ -19,12 +19,12 @@ pub(super) static REGION_ACCESS: Mutex<CriticalSectionRawMutex, ()> = Mutex::new
 impl<'d> Flash<'d, Async> {
     pub fn new(
         p: impl Peripheral<P = FLASH> + 'd,
-        _irq: impl interrupt::Binding<crate::interrupt::FLASH, InterruptHandler> + 'd,
+        _irq: impl interrupt::typelevel::Binding<crate::interrupt::typelevel::FLASH, InterruptHandler> + 'd,
     ) -> Self {
         into_ref!(p);
 
-        crate::interrupt::FLASH::unpend();
-        unsafe { crate::interrupt::FLASH::enable() };
+        crate::interrupt::FLASH.unpend();
+        unsafe { crate::interrupt::FLASH.enable() };
 
         Self {
             inner: p,
@@ -49,7 +49,7 @@ impl<'d> Flash<'d, Async> {
 /// Interrupt handler
 pub struct InterruptHandler;
 
-impl interrupt::Handler<crate::interrupt::FLASH> for InterruptHandler {
+impl interrupt::typelevel::Handler<crate::interrupt::typelevel::FLASH> for InterruptHandler {
     unsafe fn on_interrupt() {
         family::on_interrupt();
     }
diff --git a/embassy-stm32/src/i2c/mod.rs b/embassy-stm32/src/i2c/mod.rs
index f898fcc8b..b35678ed9 100644
--- a/embassy-stm32/src/i2c/mod.rs
+++ b/embassy-stm32/src/i2c/mod.rs
@@ -1,6 +1,6 @@
 #![macro_use]
 
-use crate::interrupt::Interrupt;
+use crate::interrupt;
 
 #[cfg_attr(i2c_v1, path = "v1.rs")]
 #[cfg_attr(i2c_v2, path = "v2.rs")]
@@ -35,7 +35,7 @@ pub(crate) mod sealed {
 }
 
 pub trait Instance: sealed::Instance + 'static {
-    type Interrupt: Interrupt;
+    type Interrupt: interrupt::typelevel::Interrupt;
 }
 
 pin_trait!(SclPin, Instance);
@@ -57,7 +57,7 @@ foreach_interrupt!(
         }
 
         impl Instance for peripherals::$inst {
-            type Interrupt = crate::interrupt::$irq;
+            type Interrupt = crate::interrupt::typelevel::$irq;
         }
     };
 );
diff --git a/embassy-stm32/src/i2c/v1.rs b/embassy-stm32/src/i2c/v1.rs
index b9be2e587..e04038886 100644
--- a/embassy-stm32/src/i2c/v1.rs
+++ b/embassy-stm32/src/i2c/v1.rs
@@ -16,7 +16,7 @@ pub struct InterruptHandler<T: Instance> {
     _phantom: PhantomData<T>,
 }
 
-impl<T: Instance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
+impl<T: Instance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
     unsafe fn on_interrupt() {}
 }
 
@@ -57,7 +57,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
         _peri: impl Peripheral<P = T> + 'd,
         scl: impl Peripheral<P = impl SclPin<T>> + 'd,
         sda: impl Peripheral<P = impl SdaPin<T>> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         tx_dma: impl Peripheral<P = TXDMA> + 'd,
         rx_dma: impl Peripheral<P = RXDMA> + 'd,
         freq: Hertz,
diff --git a/embassy-stm32/src/i2c/v2.rs b/embassy-stm32/src/i2c/v2.rs
index 10f57f700..1aaf2b46b 100644
--- a/embassy-stm32/src/i2c/v2.rs
+++ b/embassy-stm32/src/i2c/v2.rs
@@ -3,7 +3,6 @@ use core::future::poll_fn;
 use core::marker::PhantomData;
 use core::task::Poll;
 
-use embassy_cortex_m::interrupt::Interrupt;
 use embassy_embedded_hal::SetConfig;
 use embassy_hal_common::drop::OnDrop;
 use embassy_hal_common::{into_ref, PeripheralRef};
@@ -13,6 +12,7 @@ use crate::dma::{NoDma, Transfer};
 use crate::gpio::sealed::AFType;
 use crate::gpio::Pull;
 use crate::i2c::{Error, Instance, SclPin, SdaPin};
+use crate::interrupt::typelevel::Interrupt;
 use crate::pac::i2c;
 use crate::time::Hertz;
 use crate::{interrupt, Peripheral};
@@ -22,7 +22,7 @@ pub struct InterruptHandler<T: Instance> {
     _phantom: PhantomData<T>,
 }
 
-impl<T: Instance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
+impl<T: Instance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
     unsafe fn on_interrupt() {
         let regs = T::regs();
         let isr = regs.isr().read();
@@ -78,7 +78,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
         peri: impl Peripheral<P = T> + 'd,
         scl: impl Peripheral<P = impl SclPin<T>> + 'd,
         sda: impl Peripheral<P = impl SdaPin<T>> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         tx_dma: impl Peripheral<P = TXDMA> + 'd,
         rx_dma: impl Peripheral<P = RXDMA> + 'd,
         freq: Hertz,
diff --git a/embassy-stm32/src/lib.rs b/embassy-stm32/src/lib.rs
index 8c13774a0..6fde61c06 100644
--- a/embassy-stm32/src/lib.rs
+++ b/embassy-stm32/src/lib.rs
@@ -72,52 +72,47 @@ pub(crate) mod _generated {
     include!(concat!(env!("OUT_DIR"), "/_generated.rs"));
 }
 
-pub mod interrupt {
-    //! Interrupt definitions and macros to bind them.
-    pub use cortex_m::interrupt::{CriticalSection, Mutex};
-    pub use embassy_cortex_m::interrupt::{Binding, Handler, Interrupt, Priority};
-
-    pub use crate::_generated::interrupt::*;
-
-    /// Macro to bind interrupts to handlers.
-    ///
-    /// This defines the right interrupt handlers, and creates a unit struct (like `struct Irqs;`)
-    /// and implements the right [`Binding`]s for it. You can pass this struct to drivers to
-    /// prove at compile-time that the right interrupts have been bound.
-    // developer note: this macro can't be in `embassy-cortex-m` due to the use of `$crate`.
-    #[macro_export]
-    macro_rules! bind_interrupts {
-        ($vis:vis struct $name:ident { $($irq:ident => $($handler:ty),*;)* }) => {
-            $vis struct $name;
-
-            $(
-                #[allow(non_snake_case)]
-                #[no_mangle]
-                unsafe extern "C" fn $irq() {
-                    $(
-                        <$handler as $crate::interrupt::Handler<$crate::interrupt::$irq>>::on_interrupt();
-                    )*
-                }
-
+pub use crate::_generated::interrupt;
+
+/// Macro to bind interrupts to handlers.
+///
+/// This defines the right interrupt handlers, and creates a unit struct (like `struct Irqs;`)
+/// and implements the right [`Binding`]s for it. You can pass this struct to drivers to
+/// prove at compile-time that the right interrupts have been bound.
+// developer note: this macro can't be in `embassy-hal-common` due to the use of `$crate`.
+#[macro_export]
+macro_rules! bind_interrupts {
+    ($vis:vis struct $name:ident { $($irq:ident => $($handler:ty),*;)* }) => {
+        $vis struct $name;
+
+        $(
+            #[allow(non_snake_case)]
+            #[no_mangle]
+            unsafe extern "C" fn $irq() {
                 $(
-                    unsafe impl $crate::interrupt::Binding<$crate::interrupt::$irq, $handler> for $name {}
+                    <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
                 )*
+            }
+
+            $(
+                unsafe impl $crate::interrupt::typelevel::Binding<$crate::interrupt::typelevel::$irq, $handler> for $name {}
             )*
-        };
-    }
+        )*
+    };
 }
 
 // Reexports
 pub use _generated::{peripherals, Peripherals};
-pub use embassy_cortex_m::executor;
-use embassy_cortex_m::interrupt::Priority;
-pub use embassy_cortex_m::interrupt::_export::interrupt;
 pub use embassy_hal_common::{into_ref, Peripheral, PeripheralRef};
 #[cfg(feature = "unstable-pac")]
 pub use stm32_metapac as pac;
 #[cfg(not(feature = "unstable-pac"))]
 pub(crate) use stm32_metapac as pac;
 
+use crate::interrupt::Priority;
+#[cfg(feature = "rt")]
+pub use crate::pac::NVIC_PRIO_BITS;
+
 #[non_exhaustive]
 pub struct Config {
     pub rcc: rcc::Config,
diff --git a/embassy-stm32/src/rcc/g4.rs b/embassy-stm32/src/rcc/g4.rs
index 7e748c7b5..2b52416b2 100644
--- a/embassy-stm32/src/rcc/g4.rs
+++ b/embassy-stm32/src/rcc/g4.rs
@@ -1,4 +1,6 @@
-use stm32_metapac::rcc::vals::{Hpre, Ppre, Sw};
+use stm32_metapac::flash::vals::Latency;
+use stm32_metapac::rcc::vals::{Hpre, Pllsrc, Ppre, Sw};
+use stm32_metapac::FLASH;
 
 use crate::pac::{PWR, RCC};
 use crate::rcc::{set_freqs, Clocks};
@@ -15,6 +17,7 @@ pub const LSI_FREQ: Hertz = Hertz(32_000);
 pub enum ClockSrc {
     HSE(Hertz),
     HSI16,
+    PLLCLK(PllSrc, PllM, PllN, PllR),
 }
 
 /// AHB prescaler
@@ -41,6 +44,128 @@ pub enum APBPrescaler {
     Div16,
 }
 
+/// PLL clock input source
+#[derive(Clone, Copy, Debug)]
+pub enum PllSrc {
+    HSI16,
+    HSE(Hertz),
+}
+
+impl Into<Pllsrc> for PllSrc {
+    fn into(self) -> Pllsrc {
+        match self {
+            PllSrc::HSE(..) => Pllsrc::HSE,
+            PllSrc::HSI16 => Pllsrc::HSI16,
+        }
+    }
+}
+
+#[derive(Clone, Copy)]
+pub enum PllR {
+    Div2,
+    Div4,
+    Div6,
+    Div8,
+}
+
+impl PllR {
+    pub fn to_div(self) -> u32 {
+        let val: u8 = self.into();
+        (val as u32 + 1) * 2
+    }
+}
+
+impl From<PllR> for u8 {
+    fn from(val: PllR) -> u8 {
+        match val {
+            PllR::Div2 => 0b00,
+            PllR::Div4 => 0b01,
+            PllR::Div6 => 0b10,
+            PllR::Div8 => 0b11,
+        }
+    }
+}
+
+seq_macro::seq!(N in 8..=127 {
+    #[derive(Clone, Copy)]
+    pub enum PllN {
+        #(
+            Mul~N,
+        )*
+    }
+
+    impl From<PllN> for u8 {
+        fn from(val: PllN) -> u8 {
+            match val {
+                #(
+                    PllN::Mul~N => N,
+                )*
+            }
+        }
+    }
+
+    impl PllN {
+        pub fn to_mul(self) -> u32 {
+            match self {
+                #(
+                    PllN::Mul~N => N,
+                )*
+            }
+        }
+    }
+});
+
+// Pre-division
+#[derive(Copy, Clone)]
+pub enum PllM {
+    Div1,
+    Div2,
+    Div3,
+    Div4,
+    Div5,
+    Div6,
+    Div7,
+    Div8,
+    Div9,
+    Div10,
+    Div11,
+    Div12,
+    Div13,
+    Div14,
+    Div15,
+    Div16,
+}
+
+impl PllM {
+    pub fn to_div(self) -> u32 {
+        let val: u8 = self.into();
+        val as u32 + 1
+    }
+}
+
+impl From<PllM> for u8 {
+    fn from(val: PllM) -> u8 {
+        match val {
+            PllM::Div1 => 0b0000,
+            PllM::Div2 => 0b0001,
+            PllM::Div3 => 0b0010,
+            PllM::Div4 => 0b0011,
+            PllM::Div5 => 0b0100,
+            PllM::Div6 => 0b0101,
+            PllM::Div7 => 0b0110,
+            PllM::Div8 => 0b0111,
+            PllM::Div9 => 0b1000,
+            PllM::Div10 => 0b1001,
+            PllM::Div11 => 0b1010,
+            PllM::Div12 => 0b1011,
+            PllM::Div13 => 0b1100,
+            PllM::Div14 => 0b1101,
+            PllM::Div15 => 0b1110,
+            PllM::Div16 => 0b1111,
+        }
+    }
+}
+
 impl AHBPrescaler {
     const fn div(self) -> u32 {
         match self {
@@ -135,6 +260,76 @@ pub(crate) unsafe fn init(config: Config) {
 
             (freq.0, Sw::HSE)
         }
+        ClockSrc::PLLCLK(src, prediv, mul, div) => {
+            let src_freq = match src {
+                PllSrc::HSI16 => {
+                    // Enable HSI16 as clock source for PLL
+                    RCC.cr().write(|w| w.set_hsion(true));
+                    while !RCC.cr().read().hsirdy() {}
+
+                    HSI_FREQ.0
+                }
+                PllSrc::HSE(freq) => {
+                    // Enable HSE as clock source for PLL
+                    RCC.cr().write(|w| w.set_hseon(true));
+                    while !RCC.cr().read().hserdy() {}
+
+                    freq.0
+                }
+            };
+
+            // Make sure PLL is disabled while we configure it
+            RCC.cr().modify(|w| w.set_pllon(false));
+            while RCC.cr().read().pllrdy() {}
+
+            let freq = src_freq / prediv.to_div() * mul.to_mul() / div.to_div();
+            assert!(freq <= 170_000_000);
+
+            if freq >= 150_000_000 {
+                // Enable Core Boost mode on freq >= 150Mhz ([RM0440] p234)
+                PWR.cr5().modify(|w| w.set_r1mode(false));
+                // Set flash wait state in boost mode based on frequency ([RM0440] p191)
+                if freq <= 36_000_000 {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS0));
+                } else if freq <= 68_000_000 {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS1));
+                } else if freq <= 102_000_000 {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS2));
+                } else if freq <= 136_000_000 {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS3));
+                } else {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS4));
+                }
+            } else {
+                PWR.cr5().modify(|w| w.set_r1mode(true));
+                // Set flash wait state in normal mode based on frequency ([RM0440] p191)
+                if freq <= 30_000_000 {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS0));
+                } else if freq <= 60_000_000 {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS1));
+                } else if freq <= 80_000_000 {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS2));
+                } else if freq <= 120_000_000 {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS3));
+                } else {
+                    FLASH.acr().modify(|w| w.set_latency(Latency::WS4));
+                }
+            }
+
+            RCC.pllcfgr().write(move |w| {
+                w.set_plln(mul.into());
+                w.set_pllm(prediv.into());
+                w.set_pllr(div.into());
+                w.set_pllsrc(src.into());
+            });
+
+            // Enable PLL
+            RCC.cr().modify(|w| w.set_pllon(true));
+            while !RCC.cr().read().pllrdy() {}
+            RCC.pllcfgr().modify(|w| w.set_pllren(true));
+
+            (freq, Sw::PLLRCLK)
+        }
     };
 
     RCC.cfgr().modify(|w| {
diff --git a/embassy-stm32/src/rng.rs b/embassy-stm32/src/rng.rs
index 1e16b8478..c657bf70e 100644
--- a/embassy-stm32/src/rng.rs
+++ b/embassy-stm32/src/rng.rs
@@ -149,6 +149,7 @@ foreach_peripheral!(
     };
 );
 
+#[cfg(feature = "rt")]
 macro_rules! irq {
     ($irq:ident) => {
         mod rng_irq {
@@ -166,6 +167,7 @@ macro_rules! irq {
     };
 }
 
+#[cfg(feature = "rt")]
 foreach_interrupt!(
     (RNG) => {
         irq!(RNG);
diff --git a/embassy-stm32/src/sdmmc/mod.rs b/embassy-stm32/src/sdmmc/mod.rs
index 3cc17aa68..28eb49ab6 100644
--- a/embassy-stm32/src/sdmmc/mod.rs
+++ b/embassy-stm32/src/sdmmc/mod.rs
@@ -14,7 +14,7 @@ use sdio_host::{BusWidth, CardCapacity, CardStatus, CurrentState, SDStatus, CID,
 use crate::dma::NoDma;
 use crate::gpio::sealed::{AFType, Pin};
 use crate::gpio::{AnyPin, Pull, Speed};
-use crate::interrupt::Interrupt;
+use crate::interrupt::typelevel::Interrupt;
 use crate::pac::sdmmc::Sdmmc as RegBlock;
 use crate::rcc::RccPeripheral;
 use crate::time::Hertz;
@@ -42,7 +42,7 @@ impl<T: Instance> InterruptHandler<T> {
     }
 }
 
-impl<T: Instance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
+impl<T: Instance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
     unsafe fn on_interrupt() {
         Self::data_interrupts(false);
         T::state().wake();
@@ -276,7 +276,7 @@ pub struct Sdmmc<'d, T: Instance, Dma: SdmmcDma<T> = NoDma> {
 impl<'d, T: Instance, Dma: SdmmcDma<T>> Sdmmc<'d, T, Dma> {
     pub fn new_1bit(
         sdmmc: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
         clk: impl Peripheral<P = impl CkPin<T>> + 'd,
         cmd: impl Peripheral<P = impl CmdPin<T>> + 'd,
@@ -310,7 +310,7 @@ impl<'d, T: Instance, Dma: SdmmcDma<T>> Sdmmc<'d, T, Dma> {
 
     pub fn new_4bit(
         sdmmc: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         dma: impl Peripheral<P = Dma> + 'd,
         clk: impl Peripheral<P = impl CkPin<T>> + 'd,
         cmd: impl Peripheral<P = impl CmdPin<T>> + 'd,
@@ -356,7 +356,7 @@ impl<'d, T: Instance, Dma: SdmmcDma<T>> Sdmmc<'d, T, Dma> {
 impl<'d, T: Instance> Sdmmc<'d, T, NoDma> {
     pub fn new_1bit(
         sdmmc: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         clk: impl Peripheral<P = impl CkPin<T>> + 'd,
         cmd: impl Peripheral<P = impl CmdPin<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
@@ -389,7 +389,7 @@ impl<'d, T: Instance> Sdmmc<'d, T, NoDma> {
 
     pub fn new_4bit(
         sdmmc: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         clk: impl Peripheral<P = impl CkPin<T>> + 'd,
         cmd: impl Peripheral<P = impl CmdPin<T>> + 'd,
         d0: impl Peripheral<P = impl D0Pin<T>> + 'd,
@@ -1401,7 +1401,7 @@ pub(crate) mod sealed {
     use super::*;
 
     pub trait Instance {
-        type Interrupt: Interrupt;
+        type Interrupt: interrupt::typelevel::Interrupt;
 
         fn regs() -> RegBlock;
         fn state() -> &'static AtomicWaker;
@@ -1490,7 +1490,7 @@ cfg_if::cfg_if! {
 foreach_peripheral!(
     (sdmmc, $inst:ident) => {
         impl sealed::Instance for peripherals::$inst {
-            type Interrupt = crate::interrupt::$inst;
+            type Interrupt = crate::interrupt::typelevel::$inst;
 
             fn regs() -> RegBlock {
                 crate::pac::$inst
diff --git a/embassy-stm32/src/time_driver.rs b/embassy-stm32/src/time_driver.rs
index bab700993..e82501a45 100644
--- a/embassy-stm32/src/time_driver.rs
+++ b/embassy-stm32/src/time_driver.rs
@@ -11,7 +11,7 @@ use embassy_time::driver::{AlarmHandle, Driver};
 use embassy_time::TICK_HZ;
 use stm32_metapac::timer::regs;
 
-use crate::interrupt::Interrupt;
+use crate::interrupt::typelevel::Interrupt;
 use crate::pac::timer::vals;
 use crate::rcc::sealed::RccPeripheral;
 use crate::timer::sealed::{Basic16bitInstance as BasicInstance, GeneralPurpose16bitInstance as Instance};
@@ -40,6 +40,7 @@ type T = peripherals::TIM15;
 foreach_interrupt! {
     (TIM2, timer, $block:ident, UP, $irq:ident) => {
         #[cfg(time_driver_tim2)]
+        #[cfg(feature = "rt")]
         #[interrupt]
         fn $irq() {
             DRIVER.on_interrupt()
@@ -47,6 +48,7 @@ foreach_interrupt! {
     };
     (TIM3, timer, $block:ident, UP, $irq:ident) => {
         #[cfg(time_driver_tim3)]
+        #[cfg(feature = "rt")]
         #[interrupt]
         fn $irq() {
             DRIVER.on_interrupt()
@@ -54,6 +56,7 @@ foreach_interrupt! {
     };
     (TIM4, timer, $block:ident, UP, $irq:ident) => {
         #[cfg(time_driver_tim4)]
+        #[cfg(feature = "rt")]
         #[interrupt]
         fn $irq() {
             DRIVER.on_interrupt()
@@ -61,6 +64,7 @@ foreach_interrupt! {
     };
     (TIM5, timer, $block:ident, UP, $irq:ident) => {
         #[cfg(time_driver_tim5)]
+        #[cfg(feature = "rt")]
         #[interrupt]
         fn $irq() {
             DRIVER.on_interrupt()
@@ -68,6 +72,7 @@ foreach_interrupt! {
     };
     (TIM12, timer, $block:ident, UP, $irq:ident) => {
         #[cfg(time_driver_tim12)]
+        #[cfg(feature = "rt")]
         #[interrupt]
         fn $irq() {
             DRIVER.on_interrupt()
@@ -75,6 +80,7 @@ foreach_interrupt! {
     };
     (TIM15, timer, $block:ident, UP, $irq:ident) => {
         #[cfg(time_driver_tim15)]
+        #[cfg(feature = "rt")]
         #[interrupt]
         fn $irq() {
             DRIVER.on_interrupt()
diff --git a/embassy-stm32/src/timer/mod.rs b/embassy-stm32/src/timer/mod.rs
index 772c67686..14db97024 100644
--- a/embassy-stm32/src/timer/mod.rs
+++ b/embassy-stm32/src/timer/mod.rs
@@ -1,6 +1,6 @@
 use stm32_metapac::timer::vals;
 
-use crate::interrupt::Interrupt;
+use crate::interrupt;
 use crate::rcc::sealed::RccPeripheral as __RccPeri;
 use crate::rcc::RccPeripheral;
 use crate::time::Hertz;
@@ -13,7 +13,7 @@ pub mod low_level {
 pub(crate) mod sealed {
     use super::*;
     pub trait Basic16bitInstance: RccPeripheral {
-        type Interrupt: Interrupt;
+        type Interrupt: interrupt::typelevel::Interrupt;
 
         fn regs() -> crate::pac::timer::TimBasic;
 
@@ -57,7 +57,7 @@ pub trait Basic16bitInstance: sealed::Basic16bitInstance + 'static {}
 macro_rules! impl_basic_16bit_timer {
     ($inst:ident, $irq:ident) => {
         impl sealed::Basic16bitInstance for crate::peripherals::$inst {
-            type Interrupt = crate::interrupt::$irq;
+            type Interrupt = crate::interrupt::typelevel::$irq;
 
             fn regs() -> crate::pac::timer::TimBasic {
                 crate::pac::timer::TimBasic(crate::pac::$inst.0)
diff --git a/embassy-stm32/src/usart/buffered.rs b/embassy-stm32/src/usart/buffered.rs
index 252e945da..613da5674 100644
--- a/embassy-stm32/src/usart/buffered.rs
+++ b/embassy-stm32/src/usart/buffered.rs
@@ -2,18 +2,18 @@ use core::future::poll_fn;
 use core::slice;
 use core::task::Poll;
 
-use embassy_cortex_m::interrupt::Interrupt;
 use embassy_hal_common::atomic_ring_buffer::RingBuffer;
 use embassy_sync::waitqueue::AtomicWaker;
 
 use super::*;
+use crate::interrupt::typelevel::Interrupt;
 
 /// Interrupt handler.
 pub struct InterruptHandler<T: BasicInstance> {
     _phantom: PhantomData<T>,
 }
 
-impl<T: BasicInstance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
+impl<T: BasicInstance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
     unsafe fn on_interrupt() {
         let r = T::regs();
         let state = T::buffered_state();
@@ -115,7 +115,7 @@ pub struct BufferedUartRx<'d, T: BasicInstance> {
 impl<'d, T: BasicInstance> BufferedUart<'d, T> {
     pub fn new(
         peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         rx: impl Peripheral<P = impl RxPin<T>> + 'd,
         tx: impl Peripheral<P = impl TxPin<T>> + 'd,
         tx_buffer: &'d mut [u8],
@@ -130,7 +130,7 @@ impl<'d, T: BasicInstance> BufferedUart<'d, T> {
 
     pub fn new_with_rtscts(
         peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         rx: impl Peripheral<P = impl RxPin<T>> + 'd,
         tx: impl Peripheral<P = impl TxPin<T>> + 'd,
         rts: impl Peripheral<P = impl RtsPin<T>> + 'd,
@@ -159,7 +159,7 @@ impl<'d, T: BasicInstance> BufferedUart<'d, T> {
     #[cfg(not(any(usart_v1, usart_v2)))]
     pub fn new_with_de(
         peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         rx: impl Peripheral<P = impl RxPin<T>> + 'd,
         tx: impl Peripheral<P = impl TxPin<T>> + 'd,
         de: impl Peripheral<P = impl DePin<T>> + 'd,
diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index ef1080153..da3644a81 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -5,13 +5,13 @@ use core::marker::PhantomData;
 use core::sync::atomic::{compiler_fence, Ordering};
 use core::task::Poll;
 
-use embassy_cortex_m::interrupt::Interrupt;
 use embassy_hal_common::drop::OnDrop;
 use embassy_hal_common::{into_ref, PeripheralRef};
 use futures::future::{select, Either};
 
 use crate::dma::{NoDma, Transfer};
 use crate::gpio::sealed::AFType;
+use crate::interrupt::typelevel::Interrupt;
 #[cfg(not(any(usart_v1, usart_v2)))]
 #[allow(unused_imports)]
 use crate::pac::usart::regs::Isr as Sr;
@@ -31,7 +31,7 @@ pub struct InterruptHandler<T: BasicInstance> {
     _phantom: PhantomData<T>,
 }
 
-impl<T: BasicInstance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
+impl<T: BasicInstance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
     unsafe fn on_interrupt() {
         let r = T::regs();
         let s = T::state();
@@ -281,7 +281,7 @@ impl<'d, T: BasicInstance, RxDma> UartRx<'d, T, RxDma> {
     /// Useful if you only want Uart Rx. It saves 1 pin and consumes a little less power.
     pub fn new(
         peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         rx: impl Peripheral<P = impl RxPin<T>> + 'd,
         rx_dma: impl Peripheral<P = RxDma> + 'd,
         config: Config,
@@ -294,7 +294,7 @@ impl<'d, T: BasicInstance, RxDma> UartRx<'d, T, RxDma> {
 
     pub fn new_with_rts(
         peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         rx: impl Peripheral<P = impl RxPin<T>> + 'd,
         rts: impl Peripheral<P = impl RtsPin<T>> + 'd,
         rx_dma: impl Peripheral<P = RxDma> + 'd,
@@ -650,7 +650,7 @@ impl<'d, T: BasicInstance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
         peri: impl Peripheral<P = T> + 'd,
         rx: impl Peripheral<P = impl RxPin<T>> + 'd,
         tx: impl Peripheral<P = impl TxPin<T>> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         tx_dma: impl Peripheral<P = TxDma> + 'd,
         rx_dma: impl Peripheral<P = RxDma> + 'd,
         config: Config,
@@ -665,7 +665,7 @@ impl<'d, T: BasicInstance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
         peri: impl Peripheral<P = T> + 'd,
         rx: impl Peripheral<P = impl RxPin<T>> + 'd,
         tx: impl Peripheral<P = impl TxPin<T>> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         rts: impl Peripheral<P = impl RtsPin<T>> + 'd,
         cts: impl Peripheral<P = impl CtsPin<T>> + 'd,
         tx_dma: impl Peripheral<P = TxDma> + 'd,
@@ -693,7 +693,7 @@ impl<'d, T: BasicInstance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
         peri: impl Peripheral<P = T> + 'd,
         rx: impl Peripheral<P = impl RxPin<T>> + 'd,
         tx: impl Peripheral<P = impl TxPin<T>> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         de: impl Peripheral<P = impl DePin<T>> + 'd,
         tx_dma: impl Peripheral<P = TxDma> + 'd,
         rx_dma: impl Peripheral<P = RxDma> + 'd,
@@ -1179,7 +1179,7 @@ pub(crate) mod sealed {
 
     pub trait BasicInstance: crate::rcc::RccPeripheral {
         const KIND: Kind;
-        type Interrupt: crate::interrupt::Interrupt;
+        type Interrupt: interrupt::typelevel::Interrupt;
 
         fn regs() -> Regs;
         fn state() -> &'static State;
@@ -1211,7 +1211,7 @@ macro_rules! impl_usart {
     ($inst:ident, $irq:ident, $kind:expr) => {
         impl sealed::BasicInstance for crate::peripherals::$inst {
             const KIND: Kind = $kind;
-            type Interrupt = crate::interrupt::$irq;
+            type Interrupt = crate::interrupt::typelevel::$irq;
 
             fn regs() -> Regs {
                 Regs(crate::pac::$inst.0)
diff --git a/embassy-stm32/src/usb/mod.rs b/embassy-stm32/src/usb/mod.rs
index fbd1fa823..bee287fe6 100644
--- a/embassy-stm32/src/usb/mod.rs
+++ b/embassy-stm32/src/usb/mod.rs
@@ -1,4 +1,4 @@
-use crate::interrupt::Interrupt;
+use crate::interrupt;
 use crate::rcc::RccPeripheral;
 
 #[cfg(feature = "nightly")]
@@ -13,7 +13,7 @@ pub(crate) mod sealed {
 }
 
 pub trait Instance: sealed::Instance + RccPeripheral + 'static {
-    type Interrupt: Interrupt;
+    type Interrupt: interrupt::typelevel::Interrupt;
 }
 
 // Internal PHY pins
@@ -29,7 +29,7 @@ foreach_interrupt!(
         }
 
         impl Instance for crate::peripherals::$inst {
-            type Interrupt = crate::interrupt::$irq;
+            type Interrupt = crate::interrupt::typelevel::$irq;
         }
     };
 );
diff --git a/embassy-stm32/src/usb/usb.rs b/embassy-stm32/src/usb/usb.rs
index 134107978..7486bd376 100644
--- a/embassy-stm32/src/usb/usb.rs
+++ b/embassy-stm32/src/usb/usb.rs
@@ -14,7 +14,7 @@ use embassy_usb_driver::{
 
 use super::{DmPin, DpPin, Instance};
 use crate::gpio::sealed::AFType;
-use crate::interrupt::Interrupt;
+use crate::interrupt::typelevel::Interrupt;
 use crate::pac::usb::regs;
 use crate::pac::usb::vals::{EpType, Stat};
 use crate::pac::USBRAM;
@@ -26,7 +26,7 @@ pub struct InterruptHandler<T: Instance> {
     _phantom: PhantomData<T>,
 }
 
-impl<T: Instance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
+impl<T: Instance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
     unsafe fn on_interrupt() {
         unsafe {
             let regs = T::regs();
@@ -255,7 +255,7 @@ pub struct Driver<'d, T: Instance> {
 impl<'d, T: Instance> Driver<'d, T> {
     pub fn new(
         _usb: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         dp: impl Peripheral<P = impl DpPin<T>> + 'd,
         dm: impl Peripheral<P = impl DmPin<T>> + 'd,
     ) -> Self {
diff --git a/embassy-stm32/src/usb_otg/mod.rs b/embassy-stm32/src/usb_otg/mod.rs
index 193e0df0d..317264cbb 100644
--- a/embassy-stm32/src/usb_otg/mod.rs
+++ b/embassy-stm32/src/usb_otg/mod.rs
@@ -1,7 +1,5 @@
-use embassy_cortex_m::interrupt::Interrupt;
-
-use crate::peripherals;
 use crate::rcc::RccPeripheral;
+use crate::{interrupt, peripherals};
 
 #[cfg(feature = "nightly")]
 mod usb;
@@ -25,7 +23,7 @@ pub(crate) mod sealed {
 }
 
 pub trait Instance: sealed::Instance + RccPeripheral {
-    type Interrupt: Interrupt;
+    type Interrupt: interrupt::typelevel::Interrupt;
 }
 
 // Internal PHY pins
@@ -109,7 +107,7 @@ foreach_interrupt!(
         }
 
         impl Instance for peripherals::USB_OTG_FS {
-            type Interrupt = crate::interrupt::$irq;
+            type Interrupt = crate::interrupt::typelevel::$irq;
         }
     };
 
@@ -161,7 +159,7 @@ foreach_interrupt!(
         }
 
         impl Instance for peripherals::USB_OTG_HS {
-            type Interrupt = crate::interrupt::$irq;
+            type Interrupt = crate::interrupt::typelevel::$irq;
         }
     };
 );
diff --git a/embassy-stm32/src/usb_otg/usb.rs b/embassy-stm32/src/usb_otg/usb.rs
index e602bcb70..16cbf1a95 100644
--- a/embassy-stm32/src/usb_otg/usb.rs
+++ b/embassy-stm32/src/usb_otg/usb.rs
@@ -3,7 +3,6 @@ use core::marker::PhantomData;
 use core::task::Poll;
 
 use atomic_polyfill::{AtomicBool, AtomicU16, Ordering};
-use embassy_cortex_m::interrupt::Interrupt;
 use embassy_hal_common::{into_ref, Peripheral};
 use embassy_sync::waitqueue::AtomicWaker;
 use embassy_usb_driver::{
@@ -15,6 +14,7 @@ use futures::future::poll_fn;
 use super::*;
 use crate::gpio::sealed::AFType;
 use crate::interrupt;
+use crate::interrupt::typelevel::Interrupt;
 use crate::pac::otg::{regs, vals};
 use crate::rcc::sealed::RccPeripheral;
 use crate::time::Hertz;
@@ -24,7 +24,7 @@ pub struct InterruptHandler<T: Instance> {
     _phantom: PhantomData<T>,
 }
 
-impl<T: Instance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
+impl<T: Instance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandler<T> {
     unsafe fn on_interrupt() {
         trace!("irq");
         let r = T::regs();
@@ -291,7 +291,7 @@ impl<'d, T: Instance> Driver<'d, T> {
     /// Endpoint allocation will fail if it is too small.
     pub fn new_fs(
         _peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         dp: impl Peripheral<P = impl DpPin<T>> + 'd,
         dm: impl Peripheral<P = impl DmPin<T>> + 'd,
         ep_out_buffer: &'d mut [u8],
@@ -322,7 +322,7 @@ impl<'d, T: Instance> Driver<'d, T> {
     /// Endpoint allocation will fail if it is too small.
     pub fn new_hs_ulpi(
         _peri: impl Peripheral<P = T> + 'd,
-        _irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
+        _irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
         ulpi_clk: impl Peripheral<P = impl UlpiClkPin<T>> + 'd,
         ulpi_dir: impl Peripheral<P = impl UlpiDirPin<T>> + 'd,
         ulpi_nxt: impl Peripheral<P = impl UlpiNxtPin<T>> + 'd,