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Do not use cfg_if for embedded-hal-async feature gates.

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Old code used `cfg_if!` because rustc still parses code inside disabled cfg's, and Rust stable at that time couldn't parse the new GAT where-clause location. This is not the case anymore.
This commit is contained in:
Dario Nieuwenhuis
2022-08-31 02:46:52 +02:00
parent fe08bdf0d8
commit 8ba421f324
10 changed files with 380 additions and 378 deletions
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67
embassy-stm32/src/i2c/v2.rs
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@ -927,46 +927,45 @@ mod eh1 {
}
}
cfg_if::cfg_if! {
if #[cfg(all(feature = "unstable-traits", feature = "nightly"))] {
use super::{RxDma, TxDma};
use core::future::Future;
#[cfg(all(feature = "unstable-traits", feature = "nightly"))]
mod eha {
use core::future::Future;
impl<'d, T: Instance, TXDMA: TxDma<T>, RXDMA: RxDma<T>> embedded_hal_async::i2c::I2c
for I2c<'d, T, TXDMA, RXDMA>
{
type ReadFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
use super::super::{RxDma, TxDma};
use super::*;
fn read<'a>(&'a mut self, address: u8, buffer: &'a mut [u8]) -> Self::ReadFuture<'a> {
self.read(address, buffer)
}
impl<'d, T: Instance, TXDMA: TxDma<T>, RXDMA: RxDma<T>> embedded_hal_async::i2c::I2c for I2c<'d, T, TXDMA, RXDMA> {
type ReadFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
type WriteFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
fn write<'a>(&'a mut self, address: u8, bytes: &'a [u8]) -> Self::WriteFuture<'a> {
self.write(address, bytes)
}
fn read<'a>(&'a mut self, address: u8, buffer: &'a mut [u8]) -> Self::ReadFuture<'a> {
self.read(address, buffer)
}
type WriteReadFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
fn write_read<'a>(
&'a mut self,
address: u8,
bytes: &'a [u8],
buffer: &'a mut [u8],
) -> Self::WriteReadFuture<'a> {
self.write_read(address, bytes, buffer)
}
type WriteFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
fn write<'a>(&'a mut self, address: u8, bytes: &'a [u8]) -> Self::WriteFuture<'a> {
self.write(address, bytes)
}
type TransactionFuture<'a, 'b> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a, 'b: 'a;
type WriteReadFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
fn write_read<'a>(
&'a mut self,
address: u8,
bytes: &'a [u8],
buffer: &'a mut [u8],
) -> Self::WriteReadFuture<'a> {
self.write_read(address, bytes, buffer)
}
fn transaction<'a, 'b>(
&'a mut self,
address: u8,
operations: &'a mut [embedded_hal_async::i2c::Operation<'b>],
) -> Self::TransactionFuture<'a, 'b> {
let _ = address;
let _ = operations;
async move { todo!() }
}
type TransactionFuture<'a, 'b> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a, 'b: 'a;
fn transaction<'a, 'b>(
&'a mut self,
address: u8,
operations: &'a mut [embedded_hal_async::i2c::Operation<'b>],
) -> Self::TransactionFuture<'a, 'b> {
let _ = address;
let _ = operations;
async move { todo!() }
}
}
}