117 lines
3.1 KiB
Rust
117 lines
3.1 KiB
Rust
#![macro_use]
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macro_rules! foreach_exti_irq {
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($action:ident) => {
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crate::pac::interrupts!(
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(EXTI0) => { $action!(EXTI0); };
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(EXTI1) => { $action!(EXTI1); };
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(EXTI2) => { $action!(EXTI2); };
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(EXTI3) => { $action!(EXTI3); };
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(EXTI4) => { $action!(EXTI4); };
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(EXTI5) => { $action!(EXTI5); };
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(EXTI6) => { $action!(EXTI6); };
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(EXTI7) => { $action!(EXTI7); };
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(EXTI8) => { $action!(EXTI8); };
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(EXTI9) => { $action!(EXTI9); };
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(EXTI10) => { $action!(EXTI10); };
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(EXTI11) => { $action!(EXTI11); };
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(EXTI12) => { $action!(EXTI12); };
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(EXTI13) => { $action!(EXTI13); };
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(EXTI14) => { $action!(EXTI14); };
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(EXTI15) => { $action!(EXTI15); };
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// plus the weird ones
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(EXTI0_1) => { $action!( EXTI0_1 ); };
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(EXTI15_10) => { $action!(EXTI15_10); };
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(EXTI15_4) => { $action!(EXTI15_4); };
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(EXTI1_0) => { $action!(EXTI1_0); };
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(EXTI2_3) => { $action!(EXTI2_3); };
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(EXTI2_TSC) => { $action!(EXTI2_TSC); };
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(EXTI3_2) => { $action!(EXTI3_2); };
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(EXTI4_15) => { $action!(EXTI4_15); };
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(EXTI9_5) => { $action!(EXTI9_5); };
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);
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};
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}
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#[cfg_attr(exti_v1, path = "v1.rs")]
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#[cfg_attr(exti_h7, path = "v1.rs")]
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#[cfg_attr(exti_wb55, path = "v2.rs")]
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#[cfg_attr(exti_wl5x, path = "v2.rs")]
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mod _version;
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#[allow(unused)]
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pub use _version::*;
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use crate::peripherals;
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use embassy_hal_common::unsafe_impl_unborrow;
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pub(crate) mod sealed {
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pub trait Channel {}
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}
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pub trait Channel: sealed::Channel + Sized {
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fn number(&self) -> usize;
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fn degrade(self) -> AnyChannel {
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AnyChannel {
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number: self.number() as u8,
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}
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}
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}
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pub struct AnyChannel {
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number: u8,
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}
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unsafe_impl_unborrow!(AnyChannel);
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impl sealed::Channel for AnyChannel {}
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impl Channel for AnyChannel {
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fn number(&self) -> usize {
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self.number as usize
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}
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}
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macro_rules! impl_exti {
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($type:ident, $number:expr) => {
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impl sealed::Channel for peripherals::$type {}
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impl Channel for peripherals::$type {
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fn number(&self) -> usize {
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$number as usize
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}
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}
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};
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}
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impl_exti!(EXTI0, 0);
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impl_exti!(EXTI1, 1);
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impl_exti!(EXTI2, 2);
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impl_exti!(EXTI3, 3);
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impl_exti!(EXTI4, 4);
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impl_exti!(EXTI5, 5);
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impl_exti!(EXTI6, 6);
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impl_exti!(EXTI7, 7);
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impl_exti!(EXTI8, 8);
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impl_exti!(EXTI9, 9);
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impl_exti!(EXTI10, 10);
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impl_exti!(EXTI11, 11);
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impl_exti!(EXTI12, 12);
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impl_exti!(EXTI13, 13);
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impl_exti!(EXTI14, 14);
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impl_exti!(EXTI15, 15);
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macro_rules! enable_irq {
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($e:ident) => {
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crate::interrupt::$e::steal().enable();
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};
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}
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/// safety: must be called only once
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pub(crate) unsafe fn init() {
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use embassy::interrupt::Interrupt;
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use embassy::interrupt::InterruptExt;
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foreach_exti_irq!(enable_irq);
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#[cfg(not(any(rcc_wb55, rcc_wl5x)))]
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<crate::peripherals::SYSCFG as crate::rcc::sealed::RccPeripheral>::enable();
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}
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