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Refactor some I2c signal pin macro.

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This commit is contained in:
Bob McWhirter 2021-06-03 11:29:29 -04:00
parent 00892c7362
commit 3dd497c1e6
1 changed files with 11 additions and 11 deletions
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22
embassy-stm32/src/i2c/mod.rs
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@ -51,24 +51,24 @@ crate::pac::peripherals!(
};
);
crate::pac::peripheral_pins!(
($inst:ident, i2c, I2C, $pin:ident, SDA, $af:expr) => {
impl SdaPin<peripherals::$inst> for peripherals::$pin {}
macro_rules! impl_pin {
($inst:ident, $pin:ident, $signal:ident, $af:expr) => {
impl $signal<peripherals::$inst> for peripherals::$pin {}
impl sealed::SdaPin<peripherals::$inst> for peripherals::$pin {
impl sealed::$signal<peripherals::$inst> for peripherals::$pin {
fn af_num(&self) -> u8 {
$af
}
}
};
}
crate::pac::peripheral_pins!(
($inst:ident, i2c, I2C, $pin:ident, SDA, $af:expr) => {
impl_pin!($inst, $pin, SdaPin, $af);
};
($inst:ident, i2c, I2C, $pin:ident, SCL, $af:expr) => {
impl SclPin<peripherals::$inst> for peripherals::$pin {}
impl sealed::SclPin<peripherals::$inst> for peripherals::$pin {
fn af_num(&self) -> u8 {
$af
}
}
impl_pin!($inst, $pin, SclPin, $af);
};
);