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nrf: remove OptionalPin

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This commit is contained in:
Dario Nieuwenhuis
2022-02-12 01:04:01 +01:00
parent 5ae4e20f86
commit 6de02bb23e
14 changed files with 327 additions and 169 deletions
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120
embassy-nrf/src/uarte.rs
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@ -24,7 +24,7 @@ use futures::future::poll_fn;
use crate::chip::EASY_DMA_SIZE;
use crate::gpio::sealed::Pin as _;
use crate::gpio::{self, OptionalPin as GpioOptionalPin, Pin as GpioPin};
use crate::gpio::{self, AnyPin, Pin as GpioPin, PselBits};
use crate::interrupt::Interrupt;
use crate::pac;
use crate::ppi::{AnyConfigurableChannel, ConfigurableChannel, Event, Ppi, Task};
@ -80,18 +80,50 @@ pub struct UarteRx<'d, T: Instance> {
}
impl<'d, T: Instance> Uarte<'d, T> {
/// Creates the interface to a UARTE instance.
/// Sets the baud rate, parity and assigns the pins to the UARTE peripheral.
/// Create a new UARTE without hardware flow control
pub fn new(
_uarte: impl Unborrow<Target = T> + 'd,
uarte: impl Unborrow<Target = T> + 'd,
irq: impl Unborrow<Target = T::Interrupt> + 'd,
rxd: impl Unborrow<Target = impl GpioPin> + 'd,
txd: impl Unborrow<Target = impl GpioPin> + 'd,
cts: impl Unborrow<Target = impl GpioOptionalPin> + 'd,
rts: impl Unborrow<Target = impl GpioOptionalPin> + 'd,
config: Config,
) -> Self {
unborrow!(irq, rxd, txd, cts, rts);
unborrow!(rxd, txd);
Self::new_inner(uarte, irq, rxd.degrade(), txd.degrade(), None, None, config)
}
/// Create a new UARTE with hardware flow control (RTS/CTS)
pub fn new_with_rtscts(
uarte: impl Unborrow<Target = T> + 'd,
irq: impl Unborrow<Target = T::Interrupt> + 'd,
rxd: impl Unborrow<Target = impl GpioPin> + 'd,
txd: impl Unborrow<Target = impl GpioPin> + 'd,
cts: impl Unborrow<Target = impl GpioPin> + 'd,
rts: impl Unborrow<Target = impl GpioPin> + 'd,
config: Config,
) -> Self {
unborrow!(rxd, txd, cts, rts);
Self::new_inner(
uarte,
irq,
rxd.degrade(),
txd.degrade(),
Some(cts.degrade()),
Some(rts.degrade()),
config,
)
}
fn new_inner(
_uarte: impl Unborrow<Target = T> + 'd,
irq: impl Unborrow<Target = T::Interrupt> + 'd,
rxd: AnyPin,
txd: AnyPin,
cts: Option<AnyPin>,
rts: Option<AnyPin>,
config: Config,
) -> Self {
unborrow!(irq);
let r = T::regs();
@ -102,19 +134,19 @@ impl<'d, T: Instance> Uarte<'d, T> {
txd.conf().write(|w| w.dir().output().drive().h0h1());
r.psel.txd.write(|w| unsafe { w.bits(txd.psel_bits()) });
if let Some(pin) = rts.pin_mut() {
pin.set_high();
pin.conf().write(|w| w.dir().output().drive().h0h1());
if let Some(pin) = &cts {
pin.conf().write(|w| w.input().connect().drive().h0h1());
}
r.psel.cts.write(|w| unsafe { w.bits(cts.psel_bits()) });
if let Some(pin) = cts.pin_mut() {
pin.conf().write(|w| w.input().connect().drive().h0h1());
if let Some(pin) = &rts {
pin.set_high();
pin.conf().write(|w| w.dir().output().drive().h0h1());
}
r.psel.rts.write(|w| unsafe { w.bits(rts.psel_bits()) });
// Configure
let hardware_flow_control = match (rts.pin().is_some(), cts.pin().is_some()) {
let hardware_flow_control = match (rts.is_some(), cts.is_some()) {
(false, false) => false,
(true, true) => true,
_ => panic!("RTS and CTS pins must be either both set or none set."),
@ -491,8 +523,7 @@ pub struct UarteWithIdle<'d, U: Instance, T: TimerInstance> {
}
impl<'d, U: Instance, T: TimerInstance> UarteWithIdle<'d, U, T> {
/// Creates the interface to a UARTE instance.
/// Sets the baud rate, parity and assigns the pins to the UARTE peripheral.
/// Create a new UARTE without hardware flow control
pub fn new(
uarte: impl Unborrow<Target = U> + 'd,
timer: impl Unborrow<Target = T> + 'd,
@ -501,12 +532,65 @@ impl<'d, U: Instance, T: TimerInstance> UarteWithIdle<'d, U, T> {
irq: impl Unborrow<Target = U::Interrupt> + 'd,
rxd: impl Unborrow<Target = impl GpioPin> + 'd,
txd: impl Unborrow<Target = impl GpioPin> + 'd,
cts: impl Unborrow<Target = impl GpioOptionalPin> + 'd,
rts: impl Unborrow<Target = impl GpioOptionalPin> + 'd,
config: Config,
) -> Self {
unborrow!(rxd, txd);
Self::new_inner(
uarte,
timer,
ppi_ch1,
ppi_ch2,
irq,
rxd.degrade(),
txd.degrade(),
None,
None,
config,
)
}
/// Create a new UARTE with hardware flow control (RTS/CTS)
pub fn new_with_rtscts(
uarte: impl Unborrow<Target = U> + 'd,
timer: impl Unborrow<Target = T> + 'd,
ppi_ch1: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
ppi_ch2: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
irq: impl Unborrow<Target = U::Interrupt> + 'd,
rxd: impl Unborrow<Target = impl GpioPin> + 'd,
txd: impl Unborrow<Target = impl GpioPin> + 'd,
cts: impl Unborrow<Target = impl GpioPin> + 'd,
rts: impl Unborrow<Target = impl GpioPin> + 'd,
config: Config,
) -> Self {
unborrow!(rxd, txd, cts, rts);
Self::new_inner(
uarte,
timer,
ppi_ch1,
ppi_ch2,
irq,
rxd.degrade(),
txd.degrade(),
Some(cts.degrade()),
Some(rts.degrade()),
config,
)
}
fn new_inner(
uarte: impl Unborrow<Target = U> + 'd,
timer: impl Unborrow<Target = T> + 'd,
ppi_ch1: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
ppi_ch2: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
irq: impl Unborrow<Target = U::Interrupt> + 'd,
rxd: AnyPin,
txd: AnyPin,
cts: Option<AnyPin>,
rts: Option<AnyPin>,
config: Config,
) -> Self {
let baudrate = config.baudrate;
let uarte = Uarte::new(uarte, irq, rxd, txd, cts, rts, config);
let uarte = Uarte::new_inner(uarte, irq, rxd, txd, cts, rts, config);
let mut timer = Timer::new(timer);
unborrow!(ppi_ch1, ppi_ch2);