embassy/embassy-stm32/src/rcc/bus.rs
2023-09-18 03:15:15 +02:00

57 lines
1.7 KiB
Rust

use core::ops::Div;
#[allow(unused_imports)]
use crate::pac::rcc;
pub use crate::pac::rcc::vals::{Hpre as AHBPrescaler, Ppre as APBPrescaler};
use crate::time::Hertz;
impl Div<AHBPrescaler> for Hertz {
type Output = Hertz;
fn div(self, rhs: AHBPrescaler) -> Self::Output {
let divisor = match rhs {
AHBPrescaler::DIV1 => 1,
AHBPrescaler::DIV2 => 2,
#[cfg(any(rcc_wb, rcc_wl5, rcc_wle))]
AHBPrescaler::DIV3 => 3,
AHBPrescaler::DIV4 => 4,
#[cfg(any(rcc_wb, rcc_wl5, rcc_wle))]
AHBPrescaler::DIV5 => 5,
#[cfg(any(rcc_wb, rcc_wl5, rcc_wle))]
AHBPrescaler::DIV6 => 6,
AHBPrescaler::DIV8 => 8,
#[cfg(any(rcc_wb, rcc_wl5, rcc_wle))]
AHBPrescaler::DIV10 => 10,
AHBPrescaler::DIV16 => 16,
#[cfg(any(rcc_wb, rcc_wl5, rcc_wle))]
AHBPrescaler::DIV32 => 32,
#[cfg(not(rcc_wba))]
AHBPrescaler::DIV64 => 64,
#[cfg(not(rcc_wba))]
AHBPrescaler::DIV128 => 128,
#[cfg(not(rcc_wba))]
AHBPrescaler::DIV256 => 256,
#[cfg(not(rcc_wba))]
AHBPrescaler::DIV512 => 512,
_ => unreachable!(),
};
Hertz(self.0 / divisor)
}
}
impl Div<APBPrescaler> for Hertz {
type Output = Hertz;
fn div(self, rhs: APBPrescaler) -> Self::Output {
let divisor = match rhs {
APBPrescaler::DIV1 => 1,
APBPrescaler::DIV2 => 2,
APBPrescaler::DIV4 => 4,
APBPrescaler::DIV8 => 8,
APBPrescaler::DIV16 => 16,
_ => unreachable!(),
};
Hertz(self.0 / divisor)
}
}