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Use the PIOn peripherals in pin functions rather than creating an enum. (#193)

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This allows the `FuncionPio?` to be inferred from the `pac::PIO?` used.
This change shall be transparent for anyone using the `FunctionPio?` aliases.
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Wilfried Chauveau 2021-11-10 10:27:46 +00:00 committed by GitHub
parent 990d964a93
commit 620d5f0e0c
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1 changed files with 16 additions and 2 deletions
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18
rp2040-hal/src/gpio/pin.rs
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@ -307,7 +307,21 @@ macro_rules! function {
};
}
function!(Spi, Xip, Uart, I2C, Pwm, Pio0, Pio1, Clock, UsbAux);
function!(Spi, Xip, Uart, I2C, Pwm, Clock, UsbAux);
impl Sealed for pac::PIO0 {}
impl FunctionConfig for pac::PIO0 {
const DYN: DynFunction = DynFunction::Pio0;
}
/// Type-level variant of [`PinMode`] for alternate peripheral function `pac::PIO0`
pub type FunctionPio0 = Function<pac::PIO0>;
impl Sealed for pac::PIO1 {}
impl FunctionConfig for pac::PIO1 {
const DYN: DynFunction = DynFunction::Pio1;
}
/// Type-level variant of [`PinMode`] for alternate peripheral function `pac::PIO1`
pub type FunctionPio1 = Function<pac::PIO1>;
//==============================================================================
// Pin modes
@ -977,7 +991,7 @@ macro_rules! gpio {
}
}
$( impl<I: PinId + BankPinId> super::ValidPinMode<I> for super::Function<super::$Func> {} )+
$( impl<I: PinId + BankPinId> super::ValidPinMode<I> for super::[<Function $Func>] {} )+
}
}
}