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nrf/spim: disable and deconfigure pins on drop.

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This commit is contained in:
Dario Nieuwenhuis 2021-05-26 18:22:44 +02:00
parent 39c420733f
commit 42abeca493
1 changed files with 19 additions and 0 deletions
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19
embassy-nrf/src/spim.rs
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@ -14,6 +14,7 @@ use traits::spi::FullDuplex;
use crate::gpio::sealed::Pin as _;
use crate::gpio::{OptionalPin, Pin as GpioPin};
use crate::interrupt::Interrupt;
use crate::{fmt::*, gpio};
use crate::{pac, util::slice_in_ram_or};
pub use embedded_hal::spi::{Mode, Phase, Polarity, MODE_0, MODE_1, MODE_2, MODE_3};
@ -153,6 +154,24 @@ impl<'d, T: Instance> Spim<'d, T> {
}
}
impl<'d, T: Instance> Drop for Spim<'d, T> {
fn drop(&mut self) {
info!("spim drop");
// TODO check for abort, wait for xxxstopped
// disable!
let r = T::regs();
r.enable.write(|w| w.enable().disabled());
gpio::deconfigure_pin(r.psel.sck.read().bits());
gpio::deconfigure_pin(r.psel.miso.read().bits());
gpio::deconfigure_pin(r.psel.mosi.read().bits());
info!("spim drop: done");
}
}
impl<'d, T: Instance> FullDuplex<u8> for Spim<'d, T> {
type Error = Error;