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use crate::pac::{self, SYSCFG};
use crate::rcc;
pub trait SyscfgExt {
fn constrain(self, apb2: &mut rcc::APB2) -> Syscfg;
}
impl SyscfgExt for SYSCFG {
fn constrain(self, apb2: &mut rcc::APB2) -> Syscfg {
apb2.enr().modify(|_, w| w.syscfgen().enabled());
Syscfg { _0: () }
}
}
pub struct Syscfg {
_0: (),
}
impl Syscfg {
pub(crate) fn exticr1(&mut self) -> &pac::syscfg::EXTICR1 {
unsafe { &(*SYSCFG::ptr()).exticr1 }
}
pub(crate) fn exticr2(&mut self) -> &pac::syscfg::EXTICR2 {
unsafe { &(*SYSCFG::ptr()).exticr2 }
}
pub(crate) fn exticr4(&mut self) -> &pac::syscfg::EXTICR4 {
unsafe { &(*SYSCFG::ptr()).exticr4 }
}
}