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Split up the nRF impls for SPI traits.

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This commit is contained in:
Bob McWhirter 2021-07-20 09:52:03 -04:00
parent 22901938ce
commit d5ed5c3ef3
1 changed files with 16 additions and 7 deletions
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23
embassy-nrf/src/spim.rs
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@ -9,7 +9,7 @@ use embassy::traits;
use embassy::util::{AtomicWaker, Unborrow};
use embassy_extras::unborrow;
use futures::future::poll_fn;
use traits::spi::FullDuplex;
use traits::spi::{ Spi, Read, Write, FullDuplex};
use crate::gpio;
use crate::gpio::sealed::Pin as _;
@ -177,22 +177,31 @@ impl<'d, T: Instance> Drop for Spim<'d, T> {
}
}
impl<'d, T: Instance> FullDuplex<u8> for Spim<'d, T> {
impl<'d, T: Instance> Spi<u8> for Spim<'d, T> {
type Error = Error;
}
impl<'d, T: Instance> Read<u8> for Spim<'d, T> {
#[rustfmt::skip]
type WriteFuture<'a> where Self: 'a = impl Future<Output = Result<(), Self::Error>> + 'a;
#[rustfmt::skip]
type ReadFuture<'a> where Self: 'a = impl Future<Output = Result<(), Self::Error>> + 'a;
#[rustfmt::skip]
type WriteReadFuture<'a> where Self: 'a = impl Future<Output = Result<(), Self::Error>> + 'a;
type ReadFuture<'a> where Self: 'a = impl Future<Output=Result<(), Self::Error>> + 'a;
fn read<'a>(&'a mut self, data: &'a mut [u8]) -> Self::ReadFuture<'a> {
self.read_write(data, &[])
}
}
impl<'d, T: Instance> Write<u8> for Spim<'d, T> {
#[rustfmt::skip]
type WriteFuture<'a> where Self: 'a = impl Future<Output=Result<(), Self::Error>> + 'a;
fn write<'a>(&'a mut self, data: &'a [u8]) -> Self::WriteFuture<'a> {
self.read_write(&mut [], data)
}
}
impl<'d, T: Instance> FullDuplex<u8> for Spim<'d, T> {
#[rustfmt::skip]
type WriteReadFuture<'a> where Self: 'a = impl Future<Output = Result<(), Self::Error>> + 'a;
fn read_write<'a>(&'a mut self, rx: &'a mut [u8], tx: &'a [u8]) -> Self::WriteReadFuture<'a> {
async move {