nrf/gpio: add infallible inherent methods, remove some duplication.

This implements Input and Output using FlexPin, to avoid some code duplication.

docs/modules/ROOT/examples/basic/src/main.rs

@@ -14,14 +14,13 @@ use embassy_nrf::{
     peripherals::P0_13,
     Peripherals,
 };
-use embedded_hal::digital::v2::OutputPin;
 
 #[embassy::task]
 async fn blinker(mut led: Output<'static, P0_13>, interval: Duration) {
     loop {
-        unwrap!(led.set_high());
+        led.set_high();
         Timer::after(interval).await;
-        unwrap!(led.set_low());
+        led.set_low();
         Timer::after(interval).await;
     }
 }

embassy-nrf/src/gpio.rs

@@ -1,7 +1,6 @@
 #![macro_use]
 
 use core::convert::Infallible;
-use core::future::Future;
 use core::hint::unreachable_unchecked;
 use core::marker::PhantomData;
 
@@ -38,26 +37,23 @@ pub enum Pull {
 
 /// GPIO input driver.
 pub struct Input<'d, T: Pin> {
-    pub(crate) pin: T,
+    pub(crate) pin: FlexPin<'d, T>,
-    phantom: PhantomData<&'d mut T>,
 }
 
 impl<'d, T: Pin> Input<'d, T> {
     pub fn new(pin: impl Unborrow<Target = T> + 'd, pull: Pull) -> Self {
-        unborrow!(pin);
+        let mut pin = FlexPin::new(pin);
+        pin.set_as_input(pull);
 
-        init_input(&pin, pull);
+        Self { pin }
-
-        Self {
-            pin,
-            phantom: PhantomData,
-        }
     }
-}
 
-impl<'d, T: Pin> Drop for Input<'d, T> {
+    fn is_high(&self) -> bool {
-    fn drop(&mut self) {
+        self.pin.is_high()
-        self.pin.conf().reset();
+    }
+
+    fn is_low(&self) -> bool {
+        self.pin.is_low()
     }
 }
 
@@ -65,65 +61,11 @@ impl<'d, T: Pin> InputPin for Input<'d, T> {
     type Error = Infallible;
 
     fn is_high(&self) -> Result<bool, Self::Error> {
-        self.is_low().map(|v| !v)
+        Ok(self.is_high())
     }
 
     fn is_low(&self) -> Result<bool, Self::Error> {
-        Ok(self.pin.block().in_.read().bits() & (1 << self.pin.pin()) == 0)
+        Ok(self.is_low())
-    }
-}
-
-#[cfg(feature = "gpiote")]
-impl<'d, T: Pin> embassy::traits::gpio::WaitForHigh for Input<'d, T> {
-    type Future<'a>
-    where
-        Self: 'a,
-    = impl Future<Output = ()> + Unpin + 'a;
-
-    fn wait_for_high<'a>(&'a mut self) -> Self::Future<'a> {
-        self.pin.conf().modify(|_, w| w.sense().high());
-
-        crate::gpiote::PortInputFuture {
-            pin_port: self.pin.pin_port(),
-            phantom: PhantomData,
-        }
-    }
-}
-
-#[cfg(feature = "gpiote")]
-impl<'d, T: Pin> embassy::traits::gpio::WaitForLow for Input<'d, T> {
-    type Future<'a>
-    where
-        Self: 'a,
-    = impl Future<Output = ()> + Unpin + 'a;
-
-    fn wait_for_low<'a>(&'a mut self) -> Self::Future<'a> {
-        self.pin.conf().modify(|_, w| w.sense().low());
-
-        crate::gpiote::PortInputFuture {
-            pin_port: self.pin.pin_port(),
-            phantom: PhantomData,
-        }
-    }
-}
-
-#[cfg(feature = "gpiote")]
-impl<'d, T: Pin> embassy::traits::gpio::WaitForAnyEdge for Input<'d, T> {
-    type Future<'a>
-    where
-        Self: 'a,
-    = impl Future<Output = ()> + Unpin + 'a;
-
-    fn wait_for_any_edge<'a>(&'a mut self) -> Self::Future<'a> {
-        if self.is_high().ok().unwrap() {
-            self.pin.conf().modify(|_, w| w.sense().low());
-        } else {
-            self.pin.conf().modify(|_, w| w.sense().high());
-        }
-        crate::gpiote::PortInputFuture {
-            pin_port: self.pin.pin_port(),
-            phantom: PhantomData,
-        }
     }
 }
 
@@ -160,8 +102,7 @@ pub enum OutputDrive {
 
 /// GPIO output driver.
 pub struct Output<'d, T: Pin> {
-    pub(crate) pin: T,
+    pub(crate) pin: FlexPin<'d, T>,
-    phantom: PhantomData<&'d mut T>,
 }
 
 impl<'d, T: Pin> Output<'d, T> {
@@ -170,63 +111,56 @@ impl<'d, T: Pin> Output<'d, T> {
         initial_output: Level,
         drive: OutputDrive,
     ) -> Self {
-        unborrow!(pin);
+        let mut pin = FlexPin::new(pin);
-
         match initial_output {
             Level::High => pin.set_high(),
             Level::Low => pin.set_low(),
         }
+        pin.set_as_output(drive);
 
-        init_output(&pin, drive);
+        Self { pin }
-
-        Self {
-            pin,
-            phantom: PhantomData,
-        }
     }
-}
 
-impl<'d, T: Pin> Drop for Output<'d, T> {
+    /// Set the output as high.
-    fn drop(&mut self) {
+    pub fn set_high(&mut self) {
-        self.pin.conf().reset();
+        self.pin.set_high()
+    }
+
+    /// Set the output as low.
+    pub fn set_low(&mut self) {
+        self.pin.set_low()
+    }
+
+    /// Is the output pin set as high?
+    pub fn is_set_high(&self) -> bool {
+        self.pin.is_set_high()
+    }
+
+    /// Is the output pin set as low?
+    pub fn is_set_low(&self) -> bool {
+        self.pin.is_set_low()
     }
 }
 
 impl<'d, T: Pin> OutputPin for Output<'d, T> {
     type Error = Infallible;
 
-    /// Set the output as high.
     fn set_high(&mut self) -> Result<(), Self::Error> {
-        unsafe {
+        Ok(self.set_high())
-            self.pin
-                .block()
-                .outset
-                .write(|w| w.bits(1u32 << self.pin.pin()));
-        }
-        Ok(())
     }
 
-    /// Set the output as low.
     fn set_low(&mut self) -> Result<(), Self::Error> {
-        unsafe {
+        Ok(self.set_low())
-            self.pin
-                .block()
-                .outclr
-                .write(|w| w.bits(1u32 << self.pin.pin()));
-        }
-        Ok(())
     }
 }
 
 impl<'d, T: Pin> StatefulOutputPin for Output<'d, T> {
-    /// Is the output pin set as high?
     fn is_set_high(&self) -> Result<bool, Self::Error> {
-        self.is_set_low().map(|v| !v)
+        Ok(self.is_set_high())
     }
 
-    /// Is the output pin set as low?
     fn is_set_low(&self) -> Result<bool, Self::Error> {
-        Ok(self.pin.block().out.read().bits() & (1 << self.pin.pin()) == 0)
+        Ok(self.is_set_low())
     }
 }
 
@@ -256,7 +190,24 @@ impl<'d, T: Pin> FlexPin<'d, T> {
 
     /// Put the pin into input mode.
     pub fn set_as_input(&mut self, pull: Pull) {
-        init_input(&self.pin, pull);
+        self.pin.conf().write(|w| {
+            w.dir().input();
+            w.input().connect();
+            match pull {
+                Pull::None => {
+                    w.pull().disabled();
+                }
+                Pull::Up => {
+                    w.pull().pullup();
+                }
+                Pull::Down => {
+                    w.pull().pulldown();
+                }
+            }
+            w.drive().s0s1();
+            w.sense().disabled();
+            w
+        });
     }
 
     /// Put the pin into output mode.
@@ -264,13 +215,59 @@ impl<'d, T: Pin> FlexPin<'d, T> {
     /// The pin level will be whatever was set before (or low by default). If you want it to begin
     /// at a specific level, call `set_high`/`set_low` on the pin first.
     pub fn set_as_output(&mut self, drive: OutputDrive) {
-        init_output(&self.pin, drive);
+        let drive = match drive {
+            OutputDrive::Standard => DRIVE_A::S0S1,
+            OutputDrive::HighDrive0Standard1 => DRIVE_A::H0S1,
+            OutputDrive::Standard0HighDrive1 => DRIVE_A::S0H1,
+            OutputDrive::HighDrive => DRIVE_A::H0H1,
+            OutputDrive::Disconnect0Standard1 => DRIVE_A::D0S1,
+            OutputDrive::Disconnect0HighDrive1 => DRIVE_A::D0H1,
+            OutputDrive::Standard0Disconnect1 => DRIVE_A::S0D1,
+            OutputDrive::HighDrive0Disconnect1 => DRIVE_A::H0D1,
+        };
+
+        self.pin.conf().write(|w| {
+            w.dir().output();
+            w.input().disconnect();
+            w.pull().disabled();
+            w.drive().variant(drive);
+            w.sense().disabled();
+            w
+        });
     }
 
     /// Put the pin into disconnected mode.
     pub fn set_as_disconnected(&mut self) {
         self.pin.conf().reset();
     }
+
+    pub fn is_high(&self) -> bool {
+        !self.is_low()
+    }
+
+    pub fn is_low(&self) -> bool {
+        self.pin.block().in_.read().bits() & (1 << self.pin.pin()) == 0
+    }
+
+    /// Set the output as high.
+    pub fn set_high(&mut self) {
+        self.pin.set_high()
+    }
+
+    /// Set the output as low.
+    pub fn set_low(&mut self) {
+        self.pin.set_low()
+    }
+
+    /// Is the output pin set as high?
+    pub fn is_set_high(&self) -> bool {
+        !self.is_set_low()
+    }
+
+    /// Is the output pin set as low?
+    pub fn is_set_low(&self) -> bool {
+        self.pin.block().out.read().bits() & (1 << self.pin.pin()) == 0
+    }
 }
 
 impl<'d, T: Pin> Drop for FlexPin<'d, T> {
@@ -286,103 +283,33 @@ impl<'d, T: Pin> InputPin for FlexPin<'d, T> {
     type Error = Infallible;
 
     fn is_high(&self) -> Result<bool, Self::Error> {
-        self.is_low().map(|v| !v)
+        Ok(self.is_high())
     }
 
     fn is_low(&self) -> Result<bool, Self::Error> {
-        Ok(self.pin.block().in_.read().bits() & (1 << self.pin.pin()) == 0)
+        Ok(self.is_low())
     }
 }
 
 impl<'d, T: Pin> OutputPin for FlexPin<'d, T> {
     type Error = Infallible;
 
-    /// Set the output as high.
     fn set_high(&mut self) -> Result<(), Self::Error> {
-        unsafe {
+        Ok(self.set_high())
-            self.pin
-                .block()
-                .outset
-                .write(|w| w.bits(1u32 << self.pin.pin()));
-        }
-        Ok(())
     }
 
-    /// Set the output as low.
     fn set_low(&mut self) -> Result<(), Self::Error> {
-        unsafe {
+        Ok(self.set_low())
-            self.pin
-                .block()
-                .outclr
-                .write(|w| w.bits(1u32 << self.pin.pin()));
-        }
-        Ok(())
     }
 }
 
 impl<'d, T: Pin> StatefulOutputPin for FlexPin<'d, T> {
-    /// Is the output pin set as high?
     fn is_set_high(&self) -> Result<bool, Self::Error> {
-        self.is_set_low().map(|v| !v)
+        Ok(self.is_set_high())
     }
 
-    /// Is the output pin set as low?
     fn is_set_low(&self) -> Result<bool, Self::Error> {
-        Ok(self.pin.block().out.read().bits() & (1 << self.pin.pin()) == 0)
+        Ok(self.is_set_low())
-    }
-}
-
-#[cfg(feature = "gpiote")]
-impl<'d, T: Pin> embassy::traits::gpio::WaitForHigh for FlexPin<'d, T> {
-    type Future<'a>
-    where
-        Self: 'a,
-    = impl Future<Output = ()> + Unpin + 'a;
-
-    fn wait_for_high<'a>(&'a mut self) -> Self::Future<'a> {
-        self.pin.conf().modify(|_, w| w.sense().high());
-
-        crate::gpiote::PortInputFuture {
-            pin_port: self.pin.pin_port(),
-            phantom: PhantomData,
-        }
-    }
-}
-
-#[cfg(feature = "gpiote")]
-impl<'d, T: Pin> embassy::traits::gpio::WaitForLow for FlexPin<'d, T> {
-    type Future<'a>
-    where
-        Self: 'a,
-    = impl Future<Output = ()> + Unpin + 'a;
-
-    fn wait_for_low<'a>(&'a mut self) -> Self::Future<'a> {
-        self.pin.conf().modify(|_, w| w.sense().low());
-
-        crate::gpiote::PortInputFuture {
-            pin_port: self.pin.pin_port(),
-            phantom: PhantomData,
-        }
-    }
-}
-
-#[cfg(feature = "gpiote")]
-impl<'d, T: Pin> embassy::traits::gpio::WaitForAnyEdge for FlexPin<'d, T> {
-    type Future<'a>
-    where
-        Self: 'a,
-    = impl Future<Output = ()> + Unpin + 'a;
-
-    fn wait_for_any_edge<'a>(&'a mut self) -> Self::Future<'a> {
-        if self.is_high().ok().unwrap() {
-            self.pin.conf().modify(|_, w| w.sense().low());
-        } else {
-            self.pin.conf().modify(|_, w| w.sense().high());
-        }
-        crate::gpiote::PortInputFuture {
-            pin_port: self.pin.pin_port(),
-            phantom: PhantomData,
-        }
     }
 }
 
@@ -493,55 +420,6 @@ impl sealed::Pin for AnyPin {
     }
 }
 
-// =====================
-
-/// Set up a pin for input
-#[inline]
-fn init_input<T: Pin>(pin: &T, pull: Pull) {
-    pin.conf().write(|w| {
-        w.dir().input();
-        w.input().connect();
-        match pull {
-            Pull::None => {
-                w.pull().disabled();
-            }
-            Pull::Up => {
-                w.pull().pullup();
-            }
-            Pull::Down => {
-                w.pull().pulldown();
-            }
-        }
-        w.drive().s0s1();
-        w.sense().disabled();
-        w
-    });
-}
-
-/// Set up a pin for output
-#[inline]
-fn init_output<T: Pin>(pin: &T, drive: OutputDrive) {
-    let drive = match drive {
-        OutputDrive::Standard => DRIVE_A::S0S1,
-        OutputDrive::HighDrive0Standard1 => DRIVE_A::H0S1,
-        OutputDrive::Standard0HighDrive1 => DRIVE_A::S0H1,
-        OutputDrive::HighDrive => DRIVE_A::H0H1,
-        OutputDrive::Disconnect0Standard1 => DRIVE_A::D0S1,
-        OutputDrive::Disconnect0HighDrive1 => DRIVE_A::D0H1,
-        OutputDrive::Standard0Disconnect1 => DRIVE_A::S0D1,
-        OutputDrive::HighDrive0Disconnect1 => DRIVE_A::H0D1,
-    };
-
-    pin.conf().write(|w| {
-        w.dir().output();
-        w.input().disconnect();
-        w.pull().disabled();
-        w.drive().variant(drive);
-        w.sense().disabled();
-        w
-    });
-}
-
 // ====================
 
 pub trait OptionalPin: Unborrow<Target = Self> + sealed::OptionalPin + Sized {
@@ -601,9 +479,7 @@ pub(crate) fn deconfigure_pin(psel_bits: u32) {
     if psel_bits & 0x8000_0000 != 0 {
         return;
     }
-    unsafe {
+    unsafe { AnyPin::steal(psel_bits as _).conf().reset() }
-        AnyPin::steal(psel_bits as _).conf().reset();
-    }
 }
 
 // ====================

embassy-nrf/src/gpiote.rs

@@ -5,11 +5,11 @@ use core::task::{Context, Poll};
 use embassy::interrupt::{Interrupt, InterruptExt};
 use embassy::waitqueue::AtomicWaker;
 use embassy_hal_common::unsafe_impl_unborrow;
-use embedded_hal::digital::v2::{InputPin, StatefulOutputPin};
+use embedded_hal::digital::v2::InputPin;
 use futures::future::poll_fn;
 
 use crate::gpio::sealed::Pin as _;
-use crate::gpio::{AnyPin, Input, Output, Pin as GpioPin};
+use crate::gpio::{AnyPin, FlexPin, Input, Output, Pin as GpioPin};
 use crate::pac;
 use crate::ppi::{Event, Task};
 use crate::{interrupt, peripherals};
@@ -177,11 +177,11 @@ impl<'d, C: Channel, T: GpioPin> InputChannel<'d, C, T> {
                 InputChannelPolarity::Toggle => w.mode().event().polarity().toggle(),
             };
             #[cfg(any(feature = "nrf52833", feature = "nrf52840"))]
-            w.port().bit(match pin.pin.port() {
+            w.port().bit(match pin.pin.pin.port() {
                 crate::gpio::Port::Port0 => false,
                 crate::gpio::Port::Port1 => true,
             });
-            unsafe { w.psel().bits(pin.pin.pin()) }
+            unsafe { w.psel().bits(pin.pin.pin.pin()) }
         });
 
         g.events_in[num].reset();
@@ -250,7 +250,7 @@ impl<'d, C: Channel, T: GpioPin> OutputChannel<'d, C, T> {
 
         g.config[num].write(|w| {
             w.mode().task();
-            match pin.is_set_high().unwrap() {
+            match pin.is_set_high() {
                 true => w.outinit().high(),
                 false => w.outinit().low(),
             };
@@ -260,11 +260,11 @@ impl<'d, C: Channel, T: GpioPin> OutputChannel<'d, C, T> {
                 OutputChannelPolarity::Toggle => w.polarity().toggle(),
             };
             #[cfg(any(feature = "nrf52833", feature = "nrf52840"))]
-            w.port().bit(match pin.pin.port() {
+            w.port().bit(match pin.pin.pin.port() {
                 crate::gpio::Port::Port0 => false,
                 crate::gpio::Port::Port1 => true,
             });
-            unsafe { w.psel().bits(pin.pin.pin()) }
+            unsafe { w.psel().bits(pin.pin.pin.pin()) }
         });
 
         OutputChannel { ch, _pin: pin }
@@ -311,9 +311,11 @@ impl<'d, C: Channel, T: GpioPin> OutputChannel<'d, C, T> {
     }
 }
 
+// =======================
+
 pub(crate) struct PortInputFuture<'a> {
-    pub(crate) pin_port: u8,
+    pin_port: u8,
-    pub(crate) phantom: PhantomData<&'a mut AnyPin>,
+    phantom: PhantomData<&'a mut AnyPin>,
 }
 
 impl<'a> Unpin for PortInputFuture<'a> {}
@@ -340,6 +342,92 @@ impl<'a> Future for PortInputFuture<'a> {
     }
 }
 
+impl<'d, T: GpioPin> embassy::traits::gpio::WaitForHigh for Input<'d, T> {
+    type Future<'a>
+    where
+        Self: 'a,
+    = impl Future<Output = ()> + Unpin + 'a;
+
+    fn wait_for_high<'a>(&'a mut self) -> Self::Future<'a> {
+        self.pin.wait_for_high()
+    }
+}
+
+impl<'d, T: GpioPin> embassy::traits::gpio::WaitForLow for Input<'d, T> {
+    type Future<'a>
+    where
+        Self: 'a,
+    = impl Future<Output = ()> + Unpin + 'a;
+
+    fn wait_for_low<'a>(&'a mut self) -> Self::Future<'a> {
+        self.pin.wait_for_low()
+    }
+}
+
+impl<'d, T: GpioPin> embassy::traits::gpio::WaitForAnyEdge for Input<'d, T> {
+    type Future<'a>
+    where
+        Self: 'a,
+    = impl Future<Output = ()> + Unpin + 'a;
+
+    fn wait_for_any_edge<'a>(&'a mut self) -> Self::Future<'a> {
+        self.pin.wait_for_any_edge()
+    }
+}
+
+impl<'d, T: GpioPin> embassy::traits::gpio::WaitForHigh for FlexPin<'d, T> {
+    type Future<'a>
+    where
+        Self: 'a,
+    = impl Future<Output = ()> + Unpin + 'a;
+
+    fn wait_for_high<'a>(&'a mut self) -> Self::Future<'a> {
+        self.pin.conf().modify(|_, w| w.sense().high());
+
+        PortInputFuture {
+            pin_port: self.pin.pin_port(),
+            phantom: PhantomData,
+        }
+    }
+}
+
+impl<'d, T: GpioPin> embassy::traits::gpio::WaitForLow for FlexPin<'d, T> {
+    type Future<'a>
+    where
+        Self: 'a,
+    = impl Future<Output = ()> + Unpin + 'a;
+
+    fn wait_for_low<'a>(&'a mut self) -> Self::Future<'a> {
+        self.pin.conf().modify(|_, w| w.sense().low());
+
+        PortInputFuture {
+            pin_port: self.pin.pin_port(),
+            phantom: PhantomData,
+        }
+    }
+}
+
+impl<'d, T: GpioPin> embassy::traits::gpio::WaitForAnyEdge for FlexPin<'d, T> {
+    type Future<'a>
+    where
+        Self: 'a,
+    = impl Future<Output = ()> + Unpin + 'a;
+
+    fn wait_for_any_edge<'a>(&'a mut self) -> Self::Future<'a> {
+        if self.is_high() {
+            self.pin.conf().modify(|_, w| w.sense().low());
+        } else {
+            self.pin.conf().modify(|_, w| w.sense().high());
+        }
+        PortInputFuture {
+            pin_port: self.pin.pin_port(),
+            phantom: PhantomData,
+        }
+    }
+}
+
+// =======================
+
 mod sealed {
     pub trait Channel {}
 }

examples/nrf/src/bin/blinky.rs

@@ -5,21 +5,19 @@
 #[path = "../example_common.rs"]
 mod example_common;
 
-use defmt::unwrap;
 use embassy::executor::Spawner;
 use embassy::time::{Duration, Timer};
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_nrf::Peripherals;
-use embedded_hal::digital::v2::OutputPin;
 
 #[embassy::main]
 async fn main(_spawner: Spawner, p: Peripherals) {
     let mut led = Output::new(p.P0_13, Level::Low, OutputDrive::Standard);
 
     loop {
-        unwrap!(led.set_high());
+        led.set_high();
         Timer::after(Duration::from_millis(300)).await;
-        unwrap!(led.set_low());
+        led.set_low();
         Timer::after(Duration::from_millis(300)).await;
     }
 }

examples/nrf/src/bin/mpsc.rs

@@ -13,7 +13,6 @@ use embassy::time::{Duration, Timer};
 use embassy::util::Forever;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_nrf::Peripherals;
-use embedded_hal::digital::v2::OutputPin;
 
 enum LedState {
     On,
@@ -53,8 +52,8 @@ async fn main(spawner: Spawner, p: Peripherals) {
             Err(TryRecvError::Closed) => break,
         };
         match maybe_message {
-            Some(LedState::On) => unwrap!(led.set_high()),
+            Some(LedState::On) => led.set_high(),
-            Some(LedState::Off) => unwrap!(led.set_low()),
+            Some(LedState::Off) => led.set_low(),
             _ => (),
         }
     }

examples/nrf/src/bin/spim.rs

@@ -10,7 +10,6 @@ use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_nrf::Peripherals;
 use embassy_nrf::{interrupt, spim};
 use embassy_traits::spi::FullDuplex;
-use embedded_hal::digital::v2::*;
 use example_common::*;
 
 #[embassy::main]
@@ -29,12 +28,12 @@ async fn main(_spawner: Spawner, p: Peripherals) {
 
     // softreset
     cortex_m::asm::delay(10);
-    unwrap!(ncs.set_low());
+    ncs.set_low();
     cortex_m::asm::delay(5);
     let tx = [0xFF];
     unwrap!(spim.read_write(&mut [], &tx).await);
     cortex_m::asm::delay(10);
-    unwrap!(ncs.set_high());
+    ncs.set_high();
 
     cortex_m::asm::delay(100000);
 
@@ -42,31 +41,31 @@ async fn main(_spawner: Spawner, p: Peripherals) {
 
     // read ESTAT
     cortex_m::asm::delay(5000);
-    unwrap!(ncs.set_low());
+    ncs.set_low();
     cortex_m::asm::delay(5000);
     let tx = [0b000_11101, 0];
     unwrap!(spim.read_write(&mut rx, &tx).await);
     cortex_m::asm::delay(5000);
-    unwrap!(ncs.set_high());
+    ncs.set_high();
     info!("estat: {=[?]}", rx);
 
     // Switch to bank 3
     cortex_m::asm::delay(10);
-    unwrap!(ncs.set_low());
+    ncs.set_low();
     cortex_m::asm::delay(5);
     let tx = [0b100_11111, 0b11];
     unwrap!(spim.read_write(&mut rx, &tx).await);
     cortex_m::asm::delay(10);
-    unwrap!(ncs.set_high());
+    ncs.set_high();
 
     // read EREVID
     cortex_m::asm::delay(10);
-    unwrap!(ncs.set_low());
+    ncs.set_low();
     cortex_m::asm::delay(5);
     let tx = [0b000_10010, 0];
     unwrap!(spim.read_write(&mut rx, &tx).await);
     cortex_m::asm::delay(10);
-    unwrap!(ncs.set_high());
+    ncs.set_high();
 
     info!("erevid: {=[?]}", rx);
 }