stm32f4xx_hal/
syscfg.rs

1use crate::pac::{RCC, SYSCFG};
2use crate::rcc::Enable;
3use core::fmt;
4use core::ops::Deref;
5
6/// Extension trait that constrains the `SYSCFG` peripheral
7pub trait SysCfgExt {
8    /// Constrains the `SYSCFG` peripheral so it plays nicely with the other abstractions
9    fn constrain(self, rcc: &mut RCC) -> SysCfg;
10}
11
12impl SysCfgExt for SYSCFG {
13    fn constrain(self, rcc: &mut RCC) -> SysCfg {
14        // Enable clock.
15        SYSCFG::enable(rcc);
16
17        SysCfg(self)
18    }
19}
20
21pub struct SysCfg(SYSCFG);
22
23impl Deref for SysCfg {
24    type Target = SYSCFG;
25
26    #[inline(always)]
27    fn deref(&self) -> &Self::Target {
28        &self.0
29    }
30}
31
32#[cfg(feature = "defmt")]
33impl defmt::Format for SysCfg {
34    fn format(&self, f: defmt::Formatter) {
35        defmt::write!(f, "SysCfg(SYSCFG)");
36    }
37}
38
39impl fmt::Debug for SysCfg {
40    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
41        f.debug_struct("SysCfg").finish()
42    }
43}
stm32f4xx_hal/syscfg.rs

stm32f4xx_hal/
syscfg.rs
