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Refactor SPI signal pin macro.

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This commit is contained in:
Bob McWhirter 2021-06-03 11:31:03 -04:00
parent 3dd497c1e6
commit c00a85f9a9
1 changed files with 12 additions and 18 deletions
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30
embassy-stm32/src/spi/mod.rs
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@ -84,34 +84,28 @@ crate::pac::peripherals!(
};
);
crate::pac::peripheral_pins!(
($inst:ident, spi, SPI, $pin:ident, SCK, $af:expr) => {
impl SckPin<peripherals::$inst> for peripherals::$pin {}
macro_rules! impl_pin {
($inst:ident, $pin:ident, $signal:ident, $af:expr) => {
impl $signal<peripherals::$inst> for peripherals::$pin {}
impl sealed::SckPin<peripherals::$inst> for peripherals::$pin {
impl sealed::$signal<peripherals::$inst> for peripherals::$pin {
fn af_num(&self) -> u8 {
$af
}
}
};
}
crate::pac::peripheral_pins!(
($inst:ident, spi, SPI, $pin:ident, SCK, $af:expr) => {
impl_pin!($inst, $pin, SckPin, $af);
};
($inst:ident, spi, SPI, $pin:ident, MOSI, $af:expr) => {
impl MosiPin<peripherals::$inst> for peripherals::$pin {}
impl sealed::MosiPin<peripherals::$inst> for peripherals::$pin {
fn af_num(&self) -> u8 {
$af
}
}
impl_pin!($inst, $pin, MosiPin, $af);
};
($inst:ident, spi, SPI, $pin:ident, MISO, $af:expr) => {
impl MisoPin<peripherals::$inst> for peripherals::$pin {}
impl sealed::MisoPin<peripherals::$inst> for peripherals::$pin {
fn af_num(&self) -> u8 {
$af
}
}
impl_pin!($inst, $pin, MisoPin, $af);
};
);