diff --git a/embassy-nrf/src/spis.rs b/embassy-nrf/src/spis.rs index e202c6c27..16ac82e5f 100644 --- a/embassy-nrf/src/spis.rs +++ b/embassy-nrf/src/spis.rs @@ -105,7 +105,7 @@ impl<'d, T: Instance> Spis<'d, T> { Self::new_inner( spis, cs.map_into(), - sck.map_into(), + Some(sck.map_into()), Some(miso.map_into()), Some(mosi.map_into()), config, @@ -122,7 +122,14 @@ impl<'d, T: Instance> Spis<'d, T> { config: Config, ) -> Self { into_ref!(cs, sck, miso); - Self::new_inner(spis, cs.map_into(), sck.map_into(), Some(miso.map_into()), None, config) + Self::new_inner( + spis, + cs.map_into(), + Some(sck.map_into()), + Some(miso.map_into()), + None, + config, + ) } /// Create a new SPIS driver, capable of RX only (MOSI only). @@ -135,13 +142,32 @@ impl<'d, T: Instance> Spis<'d, T> { config: Config, ) -> Self { into_ref!(cs, sck, mosi); - Self::new_inner(spis, cs.map_into(), sck.map_into(), None, Some(mosi.map_into()), config) + Self::new_inner( + spis, + cs.map_into(), + Some(sck.map_into()), + None, + Some(mosi.map_into()), + config, + ) + } + + /// Create a new SPIS driver, capable of TX only (MISO only) without SCK pin. + pub fn new_txonly_nosck( + spis: impl Peripheral

+ 'd, + _irq: impl interrupt::typelevel::Binding> + 'd, + cs: impl Peripheral

+ 'd, + miso: impl Peripheral

+ 'd, + config: Config, + ) -> Self { + into_ref!(cs, miso); + Self::new_inner(spis, cs.map_into(), None, Some(miso.map_into()), None, config) } fn new_inner( spis: impl Peripheral

+ 'd, cs: PeripheralRef<'d, AnyPin>, - sck: PeripheralRef<'d, AnyPin>, + sck: Option>, miso: Option>, mosi: Option>, config: Config, @@ -153,10 +179,12 @@ impl<'d, T: Instance> Spis<'d, T> { let r = T::regs(); // Configure pins. - sck.conf().write(|w| w.input().connect().drive().h0h1()); - r.psel.sck.write(|w| unsafe { w.bits(sck.psel_bits()) }); cs.conf().write(|w| w.input().connect().drive().h0h1()); r.psel.csn.write(|w| unsafe { w.bits(cs.psel_bits()) }); + if let Some(sck) = &sck { + sck.conf().write(|w| w.input().connect().drive().h0h1()); + r.psel.sck.write(|w| unsafe { w.bits(sck.psel_bits()) }); + } if let Some(mosi) = &mosi { mosi.conf().write(|w| w.input().connect().drive().h0h1()); r.psel.mosi.write(|w| unsafe { w.bits(mosi.psel_bits()) });