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				@@ -1,30 +1,24 @@
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				//! HAL interface to the UARTE peripheral
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				//!
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				//! See product specification:
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				//!
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				//! - nrf52832: Section 35
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				//! - nrf52840: Section 6.34
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				use core::cmp::min;
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				use core::mem;
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				use core::ops::Deref;
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				use core::pin::Pin;
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				use core::sync::atomic::{compiler_fence, Ordering};
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				use core::task::{Context, Poll};
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				use embassy::interrupt::InterruptExt;
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				use embassy::io::{AsyncBufRead, AsyncWrite, Result};
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				use embassy::util::WakerRegistration;
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				use embassy_extras::low_power_wait_until;
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				use embassy::util::{PeripheralBorrow, WakerRegistration};
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				use embassy_extras::peripheral::{PeripheralMutex, PeripheralState};
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				use embassy_extras::ring_buffer::RingBuffer;
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				use embedded_hal::digital::v2::OutputPin;
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				use embassy_extras::{low_power_wait_until, unborrow};
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				use crate::fmt::*;
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				use crate::hal::ppi::ConfigurablePpi;
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				use crate::interrupt::{self, Interrupt};
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				use crate::fmt::{panic, *};
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				use crate::gpio::sealed::Pin as _;
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				use crate::gpio::{OptionalPin as GpioOptionalPin, Pin as GpioPin};
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				use crate::pac;
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				use crate::ppi::{AnyConfigurableChannel, ConfigurableChannel, Event, Ppi, Task};
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				use crate::timer::Instance as TimerInstance;
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				use crate::uarte::{Config, Instance as UarteInstance};
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				// Re-export SVD variants to allow user to directly set values
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				pub use crate::hal::uarte::Pins;
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				pub use pac::uarte0::{baudrate::BAUDRATE_A as Baudrate, config::PARITY_A as Parity};
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				#[derive(Copy, Clone, Debug, PartialEq)]
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				@@ -39,17 +33,17 @@ enum TxState {
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				    Transmitting(usize),
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				}
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				struct State<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi> {
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				struct State<'d, U: UarteInstance, T: TimerInstance> {
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				    uarte: U,
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				    timer: T,
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				    ppi_channel_1: P1,
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				    ppi_channel_2: P2,
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				    _ppi_ch1: Ppi<'d, AnyConfigurableChannel>,
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				    _ppi_ch2: Ppi<'d, AnyConfigurableChannel>,
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				    rx: RingBuffer<'a>,
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				    rx: RingBuffer<'d>,
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				    rx_state: RxState,
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				    rx_waker: WakerRegistration,
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				    tx: RingBuffer<'a>,
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				    tx: RingBuffer<'d>,
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				    tx_state: TxState,
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				    tx_waker: WakerRegistration,
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				}
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				@@ -62,115 +56,112 @@ struct State<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: Configu
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				///   are disabled before using `Uarte`. See product specification:
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				///     - nrf52832: Section 15.2
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				///     - nrf52840: Section 6.1.2
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				pub struct BufferedUarte<
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				    'a,
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				    U: Instance,
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				    T: TimerInstance,
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				    P1: ConfigurablePpi,
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				    P2: ConfigurablePpi,
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				> {
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				    inner: PeripheralMutex<State<'a, U, T, P1, P2>>,
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				pub struct BufferedUarte<'d, U: UarteInstance, T: TimerInstance> {
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				    inner: PeripheralMutex<State<'d, U, T>>,
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				}
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				impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi>
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				    BufferedUarte<'a, U, T, P1, P2>
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				{
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				    pub fn new(
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				        uarte: U,
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				        timer: T,
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				        mut ppi_channel_1: P1,
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				        mut ppi_channel_2: P2,
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				        irq: U::Interrupt,
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				        rx_buffer: &'a mut [u8],
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				        tx_buffer: &'a mut [u8],
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				        mut pins: Pins,
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				        parity: Parity,
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				        baudrate: Baudrate,
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				impl<'d, U: UarteInstance, T: TimerInstance> BufferedUarte<'d, U, T> {
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				    /// unsafe: may not leak self or futures
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				    pub unsafe fn new(
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				        uarte: impl PeripheralBorrow<Target = U> + 'd,
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				        timer: impl PeripheralBorrow<Target = T> + 'd,
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				        ppi_ch1: impl PeripheralBorrow<Target = impl ConfigurableChannel> + 'd,
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				        ppi_ch2: impl PeripheralBorrow<Target = impl ConfigurableChannel> + 'd,
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				        irq: impl PeripheralBorrow<Target = U::Interrupt> + 'd,
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				        rxd: impl PeripheralBorrow<Target = impl GpioPin> + 'd,
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				        txd: impl PeripheralBorrow<Target = impl GpioPin> + 'd,
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				        cts: impl PeripheralBorrow<Target = impl GpioOptionalPin> + 'd,
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				        rts: impl PeripheralBorrow<Target = impl GpioOptionalPin> + 'd,
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				        config: Config,
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				        rx_buffer: &'d mut [u8],
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				        tx_buffer: &'d mut [u8],
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				    ) -> Self {
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				        // Select pins
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				        uarte.psel.rxd.write(|w| {
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				            unsafe { w.bits(pins.rxd.psel_bits()) };
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				            w.connect().connected()
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				        });
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				        pins.txd.set_high().unwrap();
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				        uarte.psel.txd.write(|w| {
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				            unsafe { w.bits(pins.txd.psel_bits()) };
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				            w.connect().connected()
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				        });
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				        unborrow!(uarte, timer, ppi_ch1, ppi_ch2, irq, rxd, txd, cts, rts);
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				        // Optional pins
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				        uarte.psel.cts.write(|w| {
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				            if let Some(ref pin) = pins.cts {
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				                unsafe { w.bits(pin.psel_bits()) };
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				                w.connect().connected()
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				            } else {
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				                w.connect().disconnected()
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				            }
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				        });
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				        let r = uarte.regs();
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				        let rt = timer.regs();
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				        uarte.psel.rts.write(|w| {
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				            if let Some(ref pin) = pins.rts {
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				                unsafe { w.bits(pin.psel_bits()) };
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				                w.connect().connected()
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				            } else {
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				                w.connect().disconnected()
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				            }
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				        });
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				        rxd.conf().write(|w| w.input().connect().drive().h0h1());
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				        r.psel.rxd.write(|w| unsafe { w.bits(rxd.psel_bits()) });
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				        // Enable UARTE instance
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				        uarte.enable.write(|w| w.enable().enabled());
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				        txd.set_high();
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				        txd.conf().write(|w| w.dir().output().drive().h0h1());
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				        r.psel.txd.write(|w| unsafe { w.bits(txd.psel_bits()) });
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				        // Enable interrupts
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				        uarte.intenset.write(|w| w.endrx().set().endtx().set());
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				        if let Some(pin) = rts.pin_mut() {
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				            pin.set_high();
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				            pin.conf().write(|w| w.dir().output().drive().h0h1());
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				        }
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				        r.psel.cts.write(|w| unsafe { w.bits(cts.psel_bits()) });
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				        if let Some(pin) = cts.pin_mut() {
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				            pin.conf().write(|w| w.input().connect().drive().h0h1());
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				        }
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				        r.psel.rts.write(|w| unsafe { w.bits(rts.psel_bits()) });
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				        r.baudrate.write(|w| w.baudrate().variant(config.baudrate));
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				        r.config.write(|w| w.parity().variant(config.parity));
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				        // Configure
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				        let hardware_flow_control = pins.rts.is_some() && pins.cts.is_some();
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				        uarte
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				            .config
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				            .write(|w| w.hwfc().bit(hardware_flow_control).parity().variant(parity));
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				        let hardware_flow_control = match (rts.pin().is_some(), cts.pin().is_some()) {
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				            (false, false) => false,
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				            (true, true) => true,
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				            _ => panic!("RTS and CTS pins must be either both set or none set."),
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				        };
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				        r.config.write(|w| {
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				            w.hwfc().bit(hardware_flow_control);
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				            w.parity().variant(config.parity);
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				            w
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				        });
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				        r.baudrate.write(|w| w.baudrate().variant(config.baudrate));
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				        // Configure frequency
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				        uarte.baudrate.write(|w| w.baudrate().variant(baudrate));
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				        // Enable interrupts
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				        r.intenset.write(|w| w.endrx().set().endtx().set());
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				 | 
			
			 | 
			 | 
			
				        // Disable the irq, let the Registration enable it when everything is set up.
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        irq.disable();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        irq.pend();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        // Enable UARTE instance
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        r.enable.write(|w| w.enable().enabled());
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        // BAUDRATE register values are `baudrate * 2^32 / 16000000`
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        // source: https://devzone.nordicsemi.com/f/nordic-q-a/391/uart-baudrate-register-values
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        //
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        // We want to stop RX if line is idle for 2 bytes worth of time
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        // That is 20 bits (each byte is 1 start bit + 8 data bits + 1 stop bit)
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        // This gives us the amount of 16M ticks for 20 bits.
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let timeout = 0x8000_0000 / (baudrate as u32 / 40);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let timeout = 0x8000_0000 / (config.baudrate as u32 / 40);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        timer.tasks_stop.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        timer.bitmode.write(|w| w.bitmode()._32bit());
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        timer.prescaler.write(|w| unsafe { w.prescaler().bits(0) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        timer.cc[0].write(|w| unsafe { w.bits(timeout) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        timer.mode.write(|w| w.mode().timer());
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        timer.shorts.write(|w| {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        rt.tasks_stop.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        rt.bitmode.write(|w| w.bitmode()._32bit());
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        rt.prescaler.write(|w| unsafe { w.prescaler().bits(0) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        rt.cc[0].write(|w| unsafe { w.bits(timeout) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        rt.mode.write(|w| w.mode().timer());
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        rt.shorts.write(|w| {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            w.compare0_clear().set_bit();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            w.compare0_stop().set_bit();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            w
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_channel_1.set_event_endpoint(&uarte.events_rxdrdy);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_channel_1.set_task_endpoint(&timer.tasks_clear);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_channel_1.set_fork_task_endpoint(&timer.tasks_start);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_channel_1.enable();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let mut ppi_ch1 = Ppi::new(ppi_ch1.degrade_configurable());
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_ch1.set_event(Event::from_reg(&r.events_rxdrdy));
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_ch1.set_task(Task::from_reg(&rt.tasks_clear));
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_ch1.set_fork_task(Task::from_reg(&rt.tasks_start));
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_ch1.enable();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_channel_2.set_event_endpoint(&timer.events_compare[0]);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_channel_2.set_task_endpoint(&uarte.tasks_stoprx);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_channel_2.enable();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let mut ppi_ch2 = Ppi::new(ppi_ch2.degrade_configurable());
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_ch2.set_event(Event::from_reg(&rt.events_compare[0]));
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_ch2.set_task(Task::from_reg(&r.tasks_stoprx));
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        ppi_ch2.enable();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        BufferedUarte {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            inner: PeripheralMutex::new(
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                State {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    uarte,
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    timer,
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    ppi_channel_1,
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    ppi_channel_2,
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    _ppi_ch1: ppi_ch1,
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    _ppi_ch2: ppi_ch2,
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    rx: RingBuffer::new(rx_buffer),
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    rx_state: RxState::Idle,
 | 
			
		
		
	
	
		
			
				
					
					| 
						
					 | 
				
			
			 | 
			 | 
			
				@@ -187,25 +178,23 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    pub fn set_baudrate(self: Pin<&mut Self>, baudrate: Baudrate) {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        self.inner().with(|state, _irq| {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            let timeout = 0x8000_0000 / (baudrate as u32 / 40);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            state.timer.cc[0].write(|w| unsafe { w.bits(timeout) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            state.timer.tasks_clear.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            let r = state.uarte.regs();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            let rt = state.timer.regs();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            state
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                .uarte
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                .baudrate
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                .write(|w| w.baudrate().variant(baudrate));
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            let timeout = 0x8000_0000 / (baudrate as u32 / 40);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            rt.cc[0].write(|w| unsafe { w.bits(timeout) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            rt.tasks_clear.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            r.baudrate.write(|w| w.baudrate().variant(baudrate));
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    fn inner(self: Pin<&mut Self>) -> Pin<&mut PeripheralMutex<State<'a, U, T, P1, P2>>> {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    fn inner(self: Pin<&mut Self>) -> Pin<&mut PeripheralMutex<State<'d, U, T>>> {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        unsafe { Pin::new_unchecked(&mut self.get_unchecked_mut().inner) }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi> AsyncBufRead
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    for BufferedUarte<'a, U, T, P1, P2>
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				{
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl<'d, U: UarteInstance, T: TimerInstance> AsyncBufRead for BufferedUarte<'d, U, T> {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    fn poll_fill_buf(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<&[u8]>> {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let mut inner = self.inner();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        inner.as_mut().register_interrupt();
 | 
			
		
		
	
	
		
			
				
					
					| 
						
					 | 
				
			
			 | 
			 | 
			
				@@ -242,9 +231,7 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi> AsyncWrite
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    for BufferedUarte<'a, U, T, P1, P2>
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				{
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl<'d, U: UarteInstance, T: TimerInstance> AsyncWrite for BufferedUarte<'d, U, T> {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    fn poll_write(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8]) -> Poll<Result<usize>> {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let mut inner = self.inner();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        inner.as_mut().register_interrupt();
 | 
			
		
		
	
	
		
			
				
					
					| 
						
					 | 
				
			
			 | 
			 | 
			
				@@ -276,32 +263,36 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi> Drop
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    for State<'a, U, T, P1, P2>
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				{
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl<'a, U: UarteInstance, T: TimerInstance> Drop for State<'a, U, T> {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    fn drop(&mut self) {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        self.timer.tasks_stop.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let r = self.uarte.regs();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let rt = self.timer.regs();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        // TODO this probably deadlocks. do like Uarte instead.
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        rt.tasks_stop.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        if let RxState::Receiving = self.rx_state {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            self.uarte.tasks_stoprx.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            r.tasks_stoprx.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        if let TxState::Transmitting(_) = self.tx_state {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            self.uarte.tasks_stoptx.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            r.tasks_stoptx.write(|w| unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        if let RxState::Receiving = self.rx_state {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            low_power_wait_until(|| self.uarte.events_endrx.read().bits() == 1);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            low_power_wait_until(|| r.events_endrx.read().bits() == 1);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        if let TxState::Transmitting(_) = self.tx_state {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            low_power_wait_until(|| self.uarte.events_endtx.read().bits() == 1);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            low_power_wait_until(|| r.events_endtx.read().bits() == 1);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi> PeripheralState
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    for State<'a, U, T, P1, P2>
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				{
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl<'a, U: UarteInstance, T: TimerInstance> PeripheralState for State<'a, U, T> {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    type Interrupt = U::Interrupt;
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    fn on_interrupt(&mut self) {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        trace!("irq: start");
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let r = self.uarte.regs();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        let rt = self.timer.regs();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        loop {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				            match self.rx_state {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                RxState::Idle => {
 | 
			
		
		
	
	
		
			
				
					
					| 
						
					 | 
				
			
			 | 
			 | 
			
				@@ -313,11 +304,11 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        self.rx_state = RxState::Receiving;
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        // Set up the DMA read
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        self.uarte.rxd.ptr.write(|w|
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        r.rxd.ptr.write(|w|
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                            // The PTR field is a full 32 bits wide and accepts the full range
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                            // of values.
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                            unsafe { w.ptr().bits(buf.as_ptr() as u32) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        self.uarte.rxd.maxcnt.write(|w|
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        r.rxd.maxcnt.write(|w|
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                            // We're giving it the length of the buffer, so no danger of
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                            // accessing invalid memory. We have verified that the length of the
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                            // buffer fits in an `u8`, so the cast to `u8` is also fine.
 | 
			
		
		
	
	
		
			
				
					
					| 
						
					 | 
				
			
			 | 
			 | 
			
				@@ -328,7 +319,7 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        trace!("  irq_rx: buf {:?} {:?}", buf.as_ptr() as u32, buf.len());
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        // Start UARTE Receive transaction
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        self.uarte.tasks_startrx.write(|w|
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        r.tasks_startrx.write(|w|
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				                            // `1` is a valid value to write to task registers.
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				                            unsafe { w.bits(1) });
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				                    }
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				@@ -336,14 +327,14 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
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				                }
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				                RxState::Receiving => {
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				                    trace!("  irq_rx: in state receiving");
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				                    if self.uarte.events_endrx.read().bits() != 0 {
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				                        self.timer.tasks_stop.write(|w| unsafe { w.bits(1) });
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				                    if r.events_endrx.read().bits() != 0 {
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				                        rt.tasks_stop.write(|w| unsafe { w.bits(1) });
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				                        let n: usize = self.uarte.rxd.amount.read().amount().bits() as usize;
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				                        let n: usize = r.rxd.amount.read().amount().bits() as usize;
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				                        trace!("  irq_rx: endrx {:?}", n);
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				                        self.rx.push(n);
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				                        self.uarte.events_endrx.reset();
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				                        r.events_endrx.reset();
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				                        self.rx_waker.wake();
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				                        self.rx_state = RxState::Idle;
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				@@ -364,11 +355,11 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
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				                        self.tx_state = TxState::Transmitting(buf.len());
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				                        // Set up the DMA write
 | 
			
		
		
	
		
			
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				                        self.uarte.txd.ptr.write(|w|
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				                        r.txd.ptr.write(|w|
 | 
			
		
		
	
		
			
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				                            // The PTR field is a full 32 bits wide and accepts the full range
 | 
			
		
		
	
		
			
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				                            // of values.
 | 
			
		
		
	
		
			
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				                            unsafe { w.ptr().bits(buf.as_ptr() as u32) });
 | 
			
		
		
	
		
			
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				                        self.uarte.txd.maxcnt.write(|w|
 | 
			
		
		
	
		
			
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				                        r.txd.maxcnt.write(|w|
 | 
			
		
		
	
		
			
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				                            // We're giving it the length of the buffer, so no danger of
 | 
			
		
		
	
		
			
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				                            // accessing invalid memory. We have verified that the length of the
 | 
			
		
		
	
		
			
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				                            // buffer fits in an `u8`, so the cast to `u8` is also fine.
 | 
			
		
		
	
	
		
			
				
					
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				@@ -378,7 +369,7 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
 | 
			
		
		
	
		
			
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			 | 
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				                            unsafe { w.maxcnt().bits(buf.len() as _) });
 | 
			
		
		
	
		
			
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 | 
			
		
		
	
		
			
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				                        // Start UARTE Transmit transaction
 | 
			
		
		
	
		
			
				 | 
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			 | 
			 | 
			
				                        self.uarte.tasks_starttx.write(|w|
 | 
			
		
		
	
		
			
				 | 
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			 | 
			 | 
			
				                        r.tasks_starttx.write(|w|
 | 
			
		
		
	
		
			
				 | 
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			 | 
			 | 
			
				                            // `1` is a valid value to write to task registers.
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                            unsafe { w.bits(1) });
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    }
 | 
			
		
		
	
	
		
			
				
					
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				@@ -386,8 +377,8 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                TxState::Transmitting(n) => {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    trace!("  irq_tx: in state Transmitting");
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    if self.uarte.events_endtx.read().bits() != 0 {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        self.uarte.events_endtx.reset();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                    if r.events_endtx.read().bits() != 0 {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        r.events_endtx.reset();
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        trace!("  irq_tx: endtx {:?}", n);
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				                        self.tx.pop(n);
 | 
			
		
		
	
	
		
			
				
					
					| 
						
					 | 
				
			
			 | 
			 | 
			
				@@ -402,37 +393,3 @@ impl<'a, U: Instance, T: TimerInstance, P1: ConfigurablePpi, P2: ConfigurablePpi
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				        trace!("irq: end");
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    }
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
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			 | 
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 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				mod sealed {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    pub trait Instance {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    impl Instance for crate::pac::UARTE0 {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    #[cfg(any(feature = "52833", feature = "52840", feature = "9160"))]
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    impl Instance for crate::pac::UARTE1 {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    pub trait TimerInstance {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    impl TimerInstance for crate::pac::TIMER0 {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    impl TimerInstance for crate::pac::TIMER1 {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    impl TimerInstance for crate::pac::TIMER2 {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				pub trait Instance: Deref<Target = pac::uarte0::RegisterBlock> + sealed::Instance {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    type Interrupt: Interrupt;
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl Instance for pac::UARTE0 {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    type Interrupt = interrupt::UARTE0_UART0;
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				#[cfg(any(feature = "52833", feature = "52840", feature = "9160"))]
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl Instance for pac::UARTE1 {
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    type Interrupt = interrupt::UARTE1;
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				pub trait TimerInstance:
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				    Deref<Target = pac::timer0::RegisterBlock> + sealed::TimerInstance
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				{
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl TimerInstance for crate::pac::TIMER0 {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl TimerInstance for crate::pac::TIMER1 {}
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				impl TimerInstance for crate::pac::TIMER2 {}
 | 
			
		
		
	
	
		
			
				
					
					| 
						 
							
							
							
						 
					 | 
				
			
			 | 
			 | 
			
				 
 |