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Merge pull request from Ragarnoy/u16-spidevice

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Make SpiDevice generic over Word size and implement u16 transfer
This commit is contained in:
Dario Nieuwenhuis 2024-05-20 11:30:28 +02:00 • committed by GitHub
commit 34a0f74456
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2 changed files with 16 additions and 53 deletions
embassy-embedded-hal/src/shared_bus
asynch
spi.rs
blocking
spi.rs

14
embassy-embedded-hal/src/shared_bus/asynch/spi.rs
View file

@ -55,13 +55,14 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<M, BUS, CS> spi::SpiDevice for SpiDevice<'_, M, BUS, CS>
impl<M, BUS, CS, Word> spi::SpiDevice<Word> for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: spi::SpiBus,
BUS: spi::SpiBus<Word>,
CS: OutputPin,
Word: Copy + 'static,
{
async fn transaction(&mut self, operations: &mut [spi::Operation<'_, u8>]) -> Result<(), Self::Error> {
async fn transaction(&mut self, operations: &mut [spi::Operation<'_, Word>]) -> Result<(), Self::Error> {
if cfg!(not(feature = "time")) && operations.iter().any(|op| matches!(op, Operation::DelayNs(_))) {
return Err(SpiDeviceError::DelayNotSupported);
}
@ -138,13 +139,14 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<M, BUS, CS> spi::SpiDevice for SpiDeviceWithConfig<'_, M, BUS, CS>
impl<M, BUS, CS, Word> spi::SpiDevice<Word> for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
BUS: spi::SpiBus + SetConfig,
BUS: spi::SpiBus<Word> + SetConfig,
CS: OutputPin,
Word: Copy + 'static,
{
async fn transaction(&mut self, operations: &mut [spi::Operation<'_, u8>]) -> Result<(), Self::Error> {
async fn transaction(&mut self, operations: &mut [spi::Operation<'_, Word>]) -> Result<(), Self::Error> {
if cfg!(not(feature = "time")) && operations.iter().any(|op| matches!(op, Operation::DelayNs(_))) {
return Err(SpiDeviceError::DelayNotSupported);
}

55
embassy-embedded-hal/src/shared_bus/blocking/spi.rs
View file

@ -48,13 +48,14 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDevice for SpiDevice<'_, M, BUS, CS>
impl<BUS, M, CS, Word> embedded_hal_1::spi::SpiDevice<Word> for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: SpiBus,
BUS: SpiBus<Word>,
CS: OutputPin,
Word: Copy + 'static,
{
fn transaction(&mut self, operations: &mut [Operation<'_, u8>]) -> Result<(), Self::Error> {
fn transaction(&mut self, operations: &mut [embedded_hal_1::spi::Operation<'_, Word>]) -> Result<(), Self::Error> {
if cfg!(not(feature = "time")) && operations.iter().any(|op| matches!(op, Operation::DelayNs(_))) {
return Err(SpiDeviceError::DelayNotSupported);
}
@ -90,47 +91,6 @@ where
}
}
impl<'d, M, BUS, CS, BusErr, CsErr> embedded_hal_02::blocking::spi::Transfer<u8> for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: embedded_hal_02::blocking::spi::Transfer<u8, Error = BusErr>,
CS: OutputPin<Error = CsErr>,
{
type Error = SpiDeviceError<BusErr, CsErr>;
fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
self.bus.lock(|bus| {
let mut bus = bus.borrow_mut();
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res = bus.transfer(words);
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
})
}
}
impl<'d, M, BUS, CS, BusErr, CsErr> embedded_hal_02::blocking::spi::Write<u8> for SpiDevice<'_, M, BUS, CS>
where
M: RawMutex,
BUS: embedded_hal_02::blocking::spi::Write<u8, Error = BusErr>,
CS: OutputPin<Error = CsErr>,
{
type Error = SpiDeviceError<BusErr, CsErr>;
fn write(&mut self, words: &[u8]) -> Result<(), Self::Error> {
self.bus.lock(|bus| {
let mut bus = bus.borrow_mut();
self.cs.set_low().map_err(SpiDeviceError::Cs)?;
let op_res = bus.write(words);
let cs_res = self.cs.set_high();
let op_res = op_res.map_err(SpiDeviceError::Spi)?;
cs_res.map_err(SpiDeviceError::Cs)?;
Ok(op_res)
})
}
}
/// SPI device on a shared bus, with its own configuration.
///
/// This is like [`SpiDevice`], with an additional bus configuration that's applied
@ -163,13 +123,14 @@ where
type Error = SpiDeviceError<BUS::Error, CS::Error>;
}
impl<BUS, M, CS> embedded_hal_1::spi::SpiDevice for SpiDeviceWithConfig<'_, M, BUS, CS>
impl<BUS, M, CS, Word> embedded_hal_1::spi::SpiDevice<Word> for SpiDeviceWithConfig<'_, M, BUS, CS>
where
M: RawMutex,
BUS: SpiBus + SetConfig,
BUS: SpiBus<Word> + SetConfig,
CS: OutputPin,
Word: Copy + 'static,
{
fn transaction(&mut self, operations: &mut [Operation<'_, u8>]) -> Result<(), Self::Error> {
fn transaction(&mut self, operations: &mut [embedded_hal_1::spi::Operation<'_, Word>]) -> Result<(), Self::Error> {
if cfg!(not(feature = "time")) && operations.iter().any(|op| matches!(op, Operation::DelayNs(_))) {
return Err(SpiDeviceError::DelayNotSupported);
}