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Move DAC, I2C, SPI and RNG to macro-tables.

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This commit is contained in:
Bob McWhirter
2021-06-03 11:09:29 -04:00
parent d4d914ea50
commit 6958091b50
6 changed files with 162 additions and 62 deletions
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28
embassy-stm32/src/i2c/mod.rs
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@ -3,6 +3,7 @@
#[cfg_attr(i2c_v1, path = "v1.rs")]
#[cfg_attr(i2c_v2, path = "v2.rs")]
mod _version;
use crate::peripherals;
pub use _version::*;
pub enum Error {
@ -37,8 +38,8 @@ pub trait SclPin<T: Instance>: sealed::SclPin<T> + 'static {}
pub trait SdaPin<T: Instance>: sealed::SdaPin<T> + 'static {}
macro_rules! impl_i2c {
($inst:ident) => {
crate::pac::peripherals!(
(i2c, $inst:ident) => {
impl crate::i2c::sealed::Instance for peripherals::$inst {
fn regs() -> &'static crate::pac::i2c::I2c {
&crate::pac::$inst
@ -46,17 +47,28 @@ macro_rules! impl_i2c {
}
impl crate::i2c::Instance for peripherals::$inst {}
};
}
);
macro_rules! impl_i2c_pin {
($inst:ident, $pin_func:ident, $pin:ident, $af:expr) => {
impl crate::i2c::$pin_func<peripherals::$inst> for peripherals::$pin {}
crate::pac::peripheral_pins!(
($inst:ident, i2c, I2C, $pin:ident, SDA, $af:expr) => {
impl SdaPin<peripherals::$inst> for peripherals::$pin {}
impl crate::i2c::sealed::$pin_func<peripherals::$inst> for peripherals::$pin {
impl sealed::SdaPin<peripherals::$inst> for peripherals::$pin {
fn af_num(&self) -> u8 {
$af
}
}
};
}
($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
}
}
};
);