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Add EH 1.0 impls for stm32 i2c

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This commit is contained in:
Henrik Alsér 2022-07-06 23:25:38 +02:00 committed by Dario Nieuwenhuis
parent 1fb70e2fac
commit 2460d21fa4
2 changed files with 113 additions and 0 deletions
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69
embassy-stm32/src/i2c/v1.rs
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@ -280,6 +280,75 @@ impl<'d, T: Instance> embedded_hal_02::blocking::i2c::WriteRead for I2c<'d, T> {
} }
} }
#[cfg(feature = "unstable-traits")]
mod eh1 {
use super::super::{RxDma, TxDma};
use super::*;
impl embedded_hal_1::i2c::Error for Error {
fn kind(&self) -> embedded_hal_1::i2c::ErrorKind {
match *self {
Self::Bus => embedded_hal_1::i2c::ErrorKind::Bus,
Self::Arbitration => embedded_hal_1::i2c::ErrorKind::ArbitrationLoss,
Self::Nack => {
embedded_hal_1::i2c::ErrorKind::NoAcknowledge(embedded_hal_1::i2c::NoAcknowledgeSource::Unknown)
}
Self::Timeout => embedded_hal_1::i2c::ErrorKind::Other,
Self::Crc => embedded_hal_1::i2c::ErrorKind::Other,
Self::Overrun => embedded_hal_1::i2c::ErrorKind::Overrun,
Self::ZeroLengthTransfer => embedded_hal_1::i2c::ErrorKind::Other,
}
}
}
impl<'d, T: Instance, TXDMA: TxDma<T>, RXDMA: RxDma<T>> embedded_hal_1::i2c::ErrorType for I2c<'d, T, TXDMA, RXDMA> {
type Error = Error;
}
impl<'d, T: Instance> embedded_hal_1::i2c::blocking::I2c for I2c<'d, T> {
fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, buffer)
}
fn write(&mut self, address: u8, buffer: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, buffer)
}
fn write_iter<B>(&mut self, _address: u8, _bytes: B) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_iter_read<B>(&mut self, _address: u8, _bytes: B, _buffer: &mut [u8]) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_read(&mut self, address: u8, wr_buffer: &[u8], rd_buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, wr_buffer, rd_buffer)
}
fn transaction<'a>(
&mut self,
_address: u8,
_operations: &mut [embedded_hal_1::i2c::blocking::Operation<'a>],
) -> Result<(), Self::Error> {
todo!();
}
fn transaction_iter<'a, O>(&mut self, _address: u8, _operations: O) -> Result<(), Self::Error>
where
O: IntoIterator<Item = embedded_hal_1::i2c::blocking::Operation<'a>>,
{
todo!();
}
}
}
enum Mode { enum Mode {
Fast, Fast,
Standard, Standard,

44
embassy-stm32/src/i2c/v2.rs
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@ -854,6 +854,50 @@ mod eh1 {
impl<'d, T: Instance, TXDMA: TxDma<T>, RXDMA: RxDma<T>> embedded_hal_1::i2c::ErrorType for I2c<'d, T, TXDMA, RXDMA> { impl<'d, T: Instance, TXDMA: TxDma<T>, RXDMA: RxDma<T>> embedded_hal_1::i2c::ErrorType for I2c<'d, T, TXDMA, RXDMA> {
type Error = Error; type Error = Error;
} }
impl<'d, T: Instance> embedded_hal_1::i2c::blocking::I2c for I2c<'d, T> {
fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_read(address, buffer)
}
fn write(&mut self, address: u8, buffer: &[u8]) -> Result<(), Self::Error> {
self.blocking_write(address, buffer)
}
fn write_iter<B>(&mut self, _address: u8, _bytes: B) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_iter_read<B>(&mut self, _address: u8, _bytes: B, _buffer: &mut [u8]) -> Result<(), Self::Error>
where
B: IntoIterator<Item = u8>,
{
todo!();
}
fn write_read(&mut self, address: u8, wr_buffer: &[u8], rd_buffer: &mut [u8]) -> Result<(), Self::Error> {
self.blocking_write_read(address, wr_buffer, rd_buffer)
}
fn transaction<'a>(
&mut self,
_address: u8,
_operations: &mut [embedded_hal_1::i2c::blocking::Operation<'a>],
) -> Result<(), Self::Error> {
todo!();
}
fn transaction_iter<'a, O>(&mut self, _address: u8, _operations: O) -> Result<(), Self::Error>
where
O: IntoIterator<Item = embedded_hal_1::i2c::blocking::Operation<'a>>,
{
todo!();
}
}
} }
cfg_if::cfg_if! { cfg_if::cfg_if! {