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nrf: fix wrong order configuring gpios.

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Docs say "PSEL.RXD, PSEL.RTS, PSEL.RTS, and PSEL.TXD must only be configured when the UARTE is disabled."
For some reason nrf52 doesn't care but nrf91 does.
This commit is contained in:
Dario Nieuwenhuis 2024-06-17 22:50:13 +02:00
parent 3c414e99cb
commit ef2f5f0417
2 changed files with 6 additions and 2 deletions
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3
embassy-nrf/src/buffered_uarte.rs
View File

@ -306,6 +306,7 @@ impl<'d, U: UarteInstance, T: TimerInstance> BufferedUarte<'d, U, T> {
U::Interrupt::pend();
unsafe { U::Interrupt::enable() };
U::regs().enable.write(|w| w.enable().enabled());
U::state().tx_rx_refcount.store(2, Ordering::Relaxed);
@ -407,6 +408,7 @@ impl<'d, U: UarteInstance> BufferedUarteTx<'d, U> {
U::Interrupt::pend();
unsafe { U::Interrupt::enable() };
U::regs().enable.write(|w| w.enable().enabled());
U::state().tx_rx_refcount.store(1, Ordering::Relaxed);
@ -604,6 +606,7 @@ impl<'d, U: UarteInstance, T: TimerInstance> BufferedUarteRx<'d, U, T> {
U::Interrupt::pend();
unsafe { U::Interrupt::enable() };
U::regs().enable.write(|w| w.enable().enabled());
U::state().tx_rx_refcount.store(1, Ordering::Relaxed);

5
embassy-nrf/src/uarte.rs
View File

@ -221,6 +221,7 @@ impl<'d, T: Instance> Uarte<'d, T> {
T::Interrupt::unpend();
unsafe { T::Interrupt::enable() };
r.enable.write(|w| w.enable().enabled());
let s = T::state();
s.tx_rx_refcount.store(2, Ordering::Relaxed);
@ -319,9 +320,7 @@ pub(crate) fn configure(r: &RegisterBlock, config: Config, hardware_flow_control
r.psel.cts.write(|w| w.connect().disconnected());
r.psel.rts.write(|w| w.connect().disconnected());
// Enable
apply_workaround_for_enable_anomaly(r);
r.enable.write(|w| w.enable().enabled());
}
impl<'d, T: Instance> UarteTx<'d, T> {
@ -369,6 +368,7 @@ impl<'d, T: Instance> UarteTx<'d, T> {
T::Interrupt::unpend();
unsafe { T::Interrupt::enable() };
r.enable.write(|w| w.enable().enabled());
let s = T::state();
s.tx_rx_refcount.store(1, Ordering::Relaxed);
@ -567,6 +567,7 @@ impl<'d, T: Instance> UarteRx<'d, T> {
T::Interrupt::unpend();
unsafe { T::Interrupt::enable() };
r.enable.write(|w| w.enable().enabled());
let s = T::state();
s.tx_rx_refcount.store(1, Ordering::Relaxed);