Function stm32wlxx_hal::rcc::set_sysclk_msi

pub unsafe fn set_sysclk_msi(
    flash: &mut FLASH,
    pwr: &mut PWR,
    rcc: &mut RCC,
    range: MsiRange,
    cs: &CriticalSection
)

Set the sysclk from an MSI range.

Safety

1. Peripherals must not be in-use before calling this function.
2. Peripherals may need their prescalers adjusted for the new sysclk frequency.

Example

use stm32wlxx_hal::{
    pac,
    rcc::{set_sysclk_msi, MsiRange},
};

let mut dp: pac::Peripherals = pac::Peripherals::take().unwrap();
cortex_m::interrupt::free(|cs| unsafe {
    set_sysclk_msi(
        &mut dp.FLASH,
        &mut dp.PWR,
        &mut dp.RCC,
        MsiRange::Range48M,
        cs,
    )
});