4 files changed, 10 insertions, 57 deletions

diff --git a/embassy-nrf/src/radio/ble.rs b/embassy-nrf/src/radio/ble.rs
index a306971b0..93003fb19 100644
--- a/embassy-nrf/src/radio/ble.rs
+++ b/embassy-nrf/src/radio/ble.rs
@@ -11,8 +11,8 @@ pub use pac::radio::mode::MODE_A as Mode;
 use pac::radio::pcnf0::PLEN_A as PreambleLength;
 
 use crate::interrupt::typelevel::Interrupt;
-pub use crate::radio::Error;
 use crate::radio::*;
+pub use crate::radio::{Error, TxPower};
 use crate::util::slice_in_ram_or;
 
 /// Radio driver.
@@ -103,15 +103,7 @@ impl<'d, T: Instance> Radio<'d, T> {
     }
 
     fn state(&self) -> RadioState {
-        match T::regs().state.read().state().variant() {
-            Some(s) => s,
-            None => unreachable!(),
-        }
-    }
-
-    #[allow(dead_code)]
-    fn trace_state(&self) {
-        super::trace_state(T::regs())
+        super::state(T::regs())
     }
 
     /// Set the radio mode
@@ -318,9 +310,6 @@ impl<'d, T: Instance> Radio<'d, T> {
             // Initialize the transmission
             // trace!("txen");
 
-            #[cfg(not(any(feature = "nrf51", feature = "nrf52832")))]
-            r.tasks_txen.write(|w| w.tasks_txen().set_bit());
-            #[cfg(any(feature = "nrf51", feature = "nrf52832"))]
             r.tasks_txen.write(|w| unsafe { w.bits(1) });
         })
         .await;
@@ -338,9 +327,6 @@ impl<'d, T: Instance> Radio<'d, T> {
         self.trigger_and_wait_end(move || {
             // Initialize the transmission
             // trace!("rxen");
-            #[cfg(not(any(feature = "nrf51", feature = "nrf52832")))]
-            r.tasks_rxen.write(|w| w.tasks_rxen().set_bit());
-            #[cfg(any(feature = "nrf51", feature = "nrf52832"))]
             r.tasks_rxen.write(|w| unsafe { w.bits(1) });
         })
         .await;
@@ -363,15 +349,9 @@ impl<'d, T: Instance> Radio<'d, T> {
             r.intenclr.write(|w| w.end().clear());
             r.events_end.reset();
 
-            #[cfg(not(any(feature = "nrf51", feature = "nrf52832")))]
-            r.tasks_stop.write(|w| w.tasks_stop().set_bit());
-            #[cfg(any(feature = "nrf51", feature = "nrf52832"))]
             r.tasks_stop.write(|w| unsafe { w.bits(1) });
 
             // The docs don't explicitly mention any event to acknowledge the stop task
-            #[cfg(not(any(feature = "nrf51", feature = "nrf52832")))]
-            while r.events_end.read().events_end().bit_is_clear() {}
-            #[cfg(any(feature = "nrf51", feature = "nrf52832"))]
             while r.events_end.read().bits() == 0 {}
 
             trace!("radio drop: stopped");
@@ -393,11 +373,7 @@ impl<'d, T: Instance> Radio<'d, T> {
         // On poll check if interrupt happen
         poll_fn(|cx| {
             s.event_waker.register(cx.waker());
-            #[cfg(not(any(feature = "nrf51", feature = "nrf52832")))]
-            let end_event = r.events_end.read().events_end().bit_is_set();
-            #[cfg(any(feature = "nrf51", feature = "nrf52832"))]
-            let end_event = r.events_end.read().bits() == 1;
-            if end_event {
+            if r.events_end.read().bits() == 1 {
                 // trace!("radio:end");
                 return core::task::Poll::Ready(());
             }
@@ -421,15 +397,9 @@ impl<'d, T: Instance> Radio<'d, T> {
         if self.state() != RadioState::DISABLED {
             trace!("radio:disable");
             // Trigger the disable task
-            #[cfg(not(any(feature = "nrf51", feature = "nrf52832")))]
-            r.tasks_disable.write(|w| w.tasks_disable().set_bit());
-            #[cfg(any(feature = "nrf51", feature = "nrf52832"))]
             r.tasks_disable.write(|w| unsafe { w.bits(1) });
 
             // Wait until the radio is disabled
-            #[cfg(not(any(feature = "nrf51", feature = "nrf52832")))]
-            while r.events_disabled.read().events_disabled().bit_is_clear() {}
-            #[cfg(any(feature = "nrf51", feature = "nrf52832"))]
             while r.events_disabled.read().bits() == 0 {}
 
             compiler_fence(Ordering::SeqCst);
diff --git a/embassy-nrf/src/radio/ieee802154.rs b/embassy-nrf/src/radio/ieee802154.rs
index 7bec4cb8c..298f8a574 100644
--- a/embassy-nrf/src/radio/ieee802154.rs
+++ b/embassy-nrf/src/radio/ieee802154.rs
@@ -162,19 +162,19 @@ impl<'d, T: Instance> Radio<'d, T> {
         self.needs_enable = true;
 
         let tx_power: TxPower = match power {
-            #[cfg(not(feature = "_nrf5340-net"))]
+            #[cfg(not(any(feature = "nrf52811", feature = "_nrf5340-net")))]
             8 => TxPower::POS8D_BM,
-            #[cfg(not(feature = "_nrf5340-net"))]
+            #[cfg(not(any(feature = "nrf52811", feature = "_nrf5340-net")))]
             7 => TxPower::POS7D_BM,
-            #[cfg(not(feature = "_nrf5340-net"))]
+            #[cfg(not(any(feature = "nrf52811", feature = "_nrf5340-net")))]
             6 => TxPower::POS6D_BM,
-            #[cfg(not(feature = "_nrf5340-net"))]
+            #[cfg(not(any(feature = "nrf52811", feature = "_nrf5340-net")))]
             5 => TxPower::POS5D_BM,
             #[cfg(not(feature = "_nrf5340-net"))]
             4 => TxPower::POS4D_BM,
             #[cfg(not(feature = "_nrf5340-net"))]
             3 => TxPower::POS3D_BM,
-            #[cfg(not(feature = "_nrf5340-net"))]
+            #[cfg(not(any(feature = "nrf52811", feature = "_nrf5340-net")))]
             2 => TxPower::POS2D_BM,
             0 => TxPower::_0D_BM,
             #[cfg(feature = "_nrf5340-net")]
diff --git a/embassy-nrf/src/radio/mod.rs b/embassy-nrf/src/radio/mod.rs
index 5a2982d89..4c0cc3280 100644
--- a/embassy-nrf/src/radio/mod.rs
+++ b/embassy-nrf/src/radio/mod.rs
@@ -6,9 +6,9 @@
 #![macro_use]
 
 /// Bluetooth Low Energy Radio driver.
-#[cfg(not(feature = "nrf51"))]
 pub mod ble;
 #[cfg(any(
+    feature = "nrf52811",
     feature = "nrf52820",
     feature = "nrf52833",
     feature = "nrf52840",
@@ -20,8 +20,7 @@ pub mod ieee802154;
 use core::marker::PhantomData;
 
 use pac::radio::state::STATE_A as RadioState;
-#[cfg(not(feature = "nrf51"))]
-use pac::radio::txpower::TXPOWER_A as TxPower;
+pub use pac::radio::txpower::TXPOWER_A as TxPower;
 
 use crate::{interrupt, pac, Peripheral};
 
@@ -109,18 +108,3 @@ pub(crate) fn state(radio: &pac::radio::RegisterBlock) -> RadioState {
         None => unreachable!(),
     }
 }
-
-#[allow(dead_code)]
-pub(crate) fn trace_state(radio: &pac::radio::RegisterBlock) {
-    match state(radio) {
-        RadioState::DISABLED => trace!("radio:state:DISABLED"),
-        RadioState::RX_RU => trace!("radio:state:RX_RU"),
-        RadioState::RX_IDLE => trace!("radio:state:RX_IDLE"),
-        RadioState::RX => trace!("radio:state:RX"),
-        RadioState::RX_DISABLE => trace!("radio:state:RX_DISABLE"),
-        RadioState::TX_RU => trace!("radio:state:TX_RU"),
-        RadioState::TX_IDLE => trace!("radio:state:TX_IDLE"),
-        RadioState::TX => trace!("radio:state:TX"),
-        RadioState::TX_DISABLE => trace!("radio:state:TX_DISABLE"),
-    }
-}
diff --git a/embassy-nrf/src/util.rs b/embassy-nrf/src/util.rs
index 6cdb97f08..13aba7dec 100644
--- a/embassy-nrf/src/util.rs
+++ b/embassy-nrf/src/util.rs
@@ -34,7 +34,6 @@ pub(crate) fn slice_in_ram<T>(slice: *const [T]) -> bool {
 }
 
 /// Return an error if slice is not in RAM. Skips check if slice is zero-length.
-#[cfg(not(feature = "nrf51"))]
 pub(crate) fn slice_in_ram_or<T, E>(slice: *const [T], err: E) -> Result<(), E> {
     let (_, len) = slice_ptr_parts(slice);
     if len == 0 || slice_in_ram(slice) {