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Migrate USART to macro tables.

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This commit is contained in:
Bob McWhirter 2021-06-03 11:27:17 -04:00
parent 6958091b50
commit 00892c7362
2 changed files with 49 additions and 24 deletions
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28
embassy-stm32/gen.py
View File

@ -48,20 +48,20 @@ with open(output_file, 'w') as f:
custom_singletons = False custom_singletons = False
if block_mod == 'usart': # if block_mod == 'usart':
f.write(f'impl_usart!({name});') # f.write(f'impl_usart!({name});')
for pin, funcs in af.items(): # for pin, funcs in af.items():
if pin in pins: # if pin in pins:
if (func := funcs.get(f'{name}_RX')) != None: # if (func := funcs.get(f'{name}_RX')) != None:
f.write(f'impl_usart_pin!({name}, RxPin, {pin}, {func});') # f.write(f'impl_usart_pin!({name}, RxPin, {pin}, {func});')
if (func := funcs.get(f'{name}_TX')) != None: # if (func := funcs.get(f'{name}_TX')) != None:
f.write(f'impl_usart_pin!({name}, TxPin, {pin}, {func});') # f.write(f'impl_usart_pin!({name}, TxPin, {pin}, {func});')
if (func := funcs.get(f'{name}_CTS')) != None: # if (func := funcs.get(f'{name}_CTS')) != None:
f.write(f'impl_usart_pin!({name}, CtsPin, {pin}, {func});') # f.write(f'impl_usart_pin!({name}, CtsPin, {pin}, {func});')
if (func := funcs.get(f'{name}_RTS')) != None: # if (func := funcs.get(f'{name}_RTS')) != None:
f.write(f'impl_usart_pin!({name}, RtsPin, {pin}, {func});') # f.write(f'impl_usart_pin!({name}, RtsPin, {pin}, {func});')
if (func := funcs.get(f'{name}_CK')) != None: # if (func := funcs.get(f'{name}_CK')) != None:
f.write(f'impl_usart_pin!({name}, CkPin, {pin}, {func});') # f.write(f'impl_usart_pin!({name}, CkPin, {pin}, {func});')
# if block_mod == 'rng': # if block_mod == 'rng':
# for irq in chip['interrupts']: # for irq in chip['interrupts']:

45
embassy-stm32/src/usart/mod.rs
View File

@ -3,6 +3,7 @@
#[cfg_attr(usart_v1, path = "v1.rs")] #[cfg_attr(usart_v1, path = "v1.rs")]
#[cfg_attr(usart_v2, path = "v2.rs")] #[cfg_attr(usart_v2, path = "v2.rs")]
mod _version; mod _version;
use crate::peripherals;
pub use _version::*; pub use _version::*;
use crate::gpio::Pin; use crate::gpio::Pin;
@ -51,24 +52,48 @@ pub trait CtsPin<T: Instance>: sealed::CtsPin<T> {}
pub trait RtsPin<T: Instance>: sealed::RtsPin<T> {} pub trait RtsPin<T: Instance>: sealed::RtsPin<T> {}
pub trait CkPin<T: Instance>: sealed::CkPin<T> {} pub trait CkPin<T: Instance>: sealed::CkPin<T> {}
macro_rules! impl_usart { crate::pac::peripherals!(
($inst:ident) => { (usart, $inst:ident) => {
impl crate::usart::sealed::Instance for peripherals::$inst { impl sealed::Instance for peripherals::$inst {
fn regs(&self) -> crate::pac::usart::Usart { fn regs(&self) -> crate::pac::usart::Usart {
crate::pac::$inst crate::pac::$inst
} }
} }
impl crate::usart::Instance for peripherals::$inst {}
};
}
macro_rules! impl_usart_pin { impl Instance for peripherals::$inst {}
($inst:ident, $func:ident, $pin:ident, $af:expr) => { };
impl crate::usart::sealed::$func<peripherals::$inst> for peripherals::$pin { );
macro_rules! impl_pin {
($inst:ident, $pin:ident, $signal:ident, $af:expr) => {
impl sealed::$signal<peripherals::$inst> for peripherals::$pin {
fn af_num(&self) -> u8 { fn af_num(&self) -> u8 {
$af $af
} }
} }
impl crate::usart::$func<peripherals::$inst> for peripherals::$pin {}
impl $signal<peripherals::$inst> for peripherals::$pin {}
}; };
} }
crate::pac::peripheral_pins!(
($inst:ident, usart, USART, $pin:ident, TX, $af:expr) => {
impl_pin!($inst, $pin, TxPin, $af);
};
($inst:ident, usart, USART, $pin:ident, RX, $af:expr) => {
impl_pin!($inst, $pin, RxPin, $af);
};
($inst:ident, usart, USART, $pin:ident, CTS, $af:expr) => {
impl_pin!($inst, $pin, CtsPin, $af);
};
($inst:ident, usart, USART, $pin:ident, RTS, $af:expr) => {
impl_pin!($inst, $pin, RtsPin, $af);
};
($inst:ident, usart, USART, $pin:ident, CK, $af:expr) => {
impl_pin!($inst, $pin, CkPin, $af);
};
);