#![macro_use]
#![allow(missing_docs)] use core::mem::MaybeUninit;
use crate::time::Hertz;
mod bd;
mod mco;
pub use bd::*;
pub use mco::*;
#[cfg(crs)]
mod hsi48;
#[cfg(crs)]
pub use hsi48::*;
#[cfg_attr(rcc_f0, path = "f0.rs")]
#[cfg_attr(any(stm32f1), path = "f1.rs")]
#[cfg_attr(any(stm32f3), path = "f3.rs")]
#[cfg_attr(any(stm32f2, stm32f4, stm32f7), path = "f.rs")]
#[cfg_attr(rcc_c0, path = "c0.rs")]
#[cfg_attr(rcc_g0, path = "g0.rs")]
#[cfg_attr(rcc_g4, path = "g4.rs")]
#[cfg_attr(any(stm32h5, stm32h7), path = "h.rs")]
#[cfg_attr(any(stm32l0, stm32l1, stm32l4, stm32l5, stm32wb, stm32wl), path = "l.rs")]
#[cfg_attr(rcc_u5, path = "u5.rs")]
#[cfg_attr(rcc_wba, path = "wba.rs")]
mod _version;
pub use _version::*;
#[derive(Clone, Copy, Debug)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct Clocks {
pub sys: Hertz,
pub pclk1: Hertz,
pub pclk1_tim: Hertz,
#[cfg(not(any(rcc_c0, rcc_g0)))]
pub pclk2: Hertz,
#[cfg(not(any(rcc_c0, rcc_g0)))]
pub pclk2_tim: Hertz,
#[cfg(any(rcc_wl5, rcc_wle, rcc_h5, rcc_h50, rcc_h7, rcc_h7rm0433, rcc_h7ab, rcc_u5))]
pub pclk3: Hertz,
#[cfg(any(rcc_h7, rcc_h7rm0433, rcc_h7ab, stm32h5))]
pub pclk4: Hertz,
#[cfg(any(rcc_wba))]
pub pclk7: Hertz,
pub hclk1: Hertz,
#[cfg(any(
rcc_l4,
rcc_l4plus,
rcc_l5,
rcc_f2,
rcc_f4,
rcc_f410,
rcc_f7,
rcc_h5,
rcc_h50,
rcc_h7,
rcc_h7rm0433,
rcc_h7ab,
rcc_g4,
rcc_u5,
rcc_wb,
rcc_wba,
rcc_wl5,
rcc_wle
))]
pub hclk2: Hertz,
#[cfg(any(
rcc_l4,
rcc_l4plus,
rcc_l5,
rcc_f2,
rcc_f4,
rcc_f410,
rcc_f7,
rcc_h5,
rcc_h50,
rcc_h7,
rcc_h7rm0433,
rcc_h7ab,
rcc_u5,
rcc_g4,
rcc_wb,
rcc_wl5,
rcc_wle
))]
pub hclk3: Hertz,
#[cfg(any(rcc_h5, rcc_h50, rcc_h7, rcc_h7rm0433, rcc_h7ab, rcc_wba))]
pub hclk4: Hertz,
#[cfg(all(rcc_f4, not(stm32f410)))]
pub plli2s1_q: Option<Hertz>,
#[cfg(all(rcc_f4, not(stm32f410)))]
pub plli2s1_r: Option<Hertz>,
#[cfg(rcc_l4)]
pub pllsai1_p: Option<Hertz>,
#[cfg(any(stm32f427, stm32f429, stm32f437, stm32f439, stm32f446, stm32f469, stm32f479))]
pub pllsai1_q: Option<Hertz>,
#[cfg(any(stm32f427, stm32f429, stm32f437, stm32f439, stm32f446, stm32f469, stm32f479))]
pub pllsai1_r: Option<Hertz>,
#[cfg(rcc_l4)]
pub pllsai2_p: Option<Hertz>,
#[cfg(any(stm32g0, stm32g4, rcc_l4))]
pub pll1_p: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7, stm32f2, stm32f4, stm32f7, rcc_l4, stm32g0, stm32g4))]
pub pll1_q: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7))]
pub pll2_p: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7))]
pub pll2_q: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7))]
pub pll2_r: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7))]
pub pll3_p: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7))]
pub pll3_q: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7))]
pub pll3_r: Option<Hertz>,
#[cfg(any(
rcc_f1,
rcc_f100,
rcc_f1cl,
rcc_h5,
rcc_h50,
rcc_h7,
rcc_h7rm0433,
rcc_h7ab,
rcc_f3,
rcc_g4
))]
pub adc: Option<Hertz>,
#[cfg(any(rcc_f3, rcc_g4))]
pub adc34: Option<Hertz>,
#[cfg(stm32f334)]
pub hrtim: Option<Hertz>,
pub rtc: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7, rcc_l4, rcc_c0, stm32g0))]
pub hsi: Option<Hertz>,
#[cfg(any(stm32h5, stm32g0))]
pub hsi48: Option<Hertz>,
#[cfg(stm32g0)]
pub hsi_div_8: Option<Hertz>,
#[cfg(any(stm32g0, stm32h5))]
pub lsi: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7))]
pub csi: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7, rcc_l4, rcc_c0, stm32g0))]
pub lse: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7, stm32g0, stm32g4))]
pub hse: Option<Hertz>,
#[cfg(stm32h5)]
pub audioclk: Option<Hertz>,
#[cfg(any(stm32h5, stm32h7))]
pub per: Option<Hertz>,
#[cfg(stm32h7)]
pub rcc_pclk_d3: Option<Hertz>,
#[cfg(rcc_l4)]
pub sai1_extclk: Option<Hertz>,
#[cfg(rcc_l4)]
pub sai2_extclk: Option<Hertz>,
}
#[cfg(feature = "low-power")]
pub(crate) static mut REFCOUNT_STOP1: u32 = 0;
#[cfg(feature = "low-power")]
pub(crate) static mut REFCOUNT_STOP2: u32 = 0;
static mut CLOCK_FREQS: MaybeUninit<Clocks> = MaybeUninit::uninit();
pub(crate) unsafe fn set_freqs(freqs: Clocks) {
debug!("rcc: {:?}", freqs);
CLOCK_FREQS = MaybeUninit::new(freqs);
}
pub(crate) unsafe fn get_freqs() -> &'static Clocks {
CLOCK_FREQS.assume_init_ref()
}
#[cfg(feature = "unstable-pac")]
pub mod low_level {
pub use super::sealed::*;
}
pub(crate) mod sealed {
use critical_section::CriticalSection;
pub trait RccPeripheral {
fn frequency() -> crate::time::Hertz;
fn enable_and_reset_with_cs(cs: CriticalSection);
fn disable_with_cs(cs: CriticalSection);
fn enable_and_reset() {
critical_section::with(|cs| Self::enable_and_reset_with_cs(cs))
}
fn disable() {
critical_section::with(|cs| Self::disable_with_cs(cs))
}
}
}
pub trait RccPeripheral: sealed::RccPeripheral + 'static {}
#[allow(unused)]
mod util {
use crate::time::Hertz;
pub fn calc_pclk<D>(hclk: Hertz, ppre: D) -> (Hertz, Hertz)
where
Hertz: core::ops::Div<D, Output = Hertz>,
{
let pclk = hclk / ppre;
let pclk_tim = if hclk == pclk { pclk } else { pclk * 2u32 };
(pclk, pclk_tim)
}
pub fn all_equal<T: Eq>(mut iter: impl Iterator<Item = T>) -> bool {
let Some(x) = iter.next() else { return true };
if !iter.all(|y| y == x) {
return false;
}
true
}
pub fn get_equal<T: Eq>(mut iter: impl Iterator<Item = T>) -> Result<Option<T>, ()> {
let Some(x) = iter.next() else { return Ok(None) };
if !iter.all(|y| y == x) {
return Err(());
}
Ok(Some(x))
}
}