efm32pg1b-pac 0.4.3

///Register `HFCLKSEL` writer
pub type W = crate::W<HFCLKSELrs>;
///HFCLK Select
///
///Value on reset: 0
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[repr(u8)]
pub enum HF {
    ///1: Select HFRCO as HFCLK
    Hfrco = 1,
    ///2: Select HFXO as HFCLK
    Hfxo = 2,
    ///3: Select LFRCO as HFCLK
    Lfrco = 3,
    ///4: Select LFXO as HFCLK
    Lfxo = 4,
}
impl From<HF> for u8 {
    #[inline(always)]
    fn from(variant: HF) -> Self {
        variant as _
    }
}
impl crate::FieldSpec for HF {
    type Ux = u8;
}
impl crate::IsEnum for HF {}
///Field `HF` writer - HFCLK Select
pub type HfW<'a, REG> = crate::FieldWriter<'a, REG, 3, HF>;
impl<'a, REG> HfW<'a, REG>
where
    REG: crate::Writable + crate::RegisterSpec,
    REG::Ux: From<u8>,
{
    ///Select HFRCO as HFCLK
    #[inline(always)]
    pub fn hfrco(self) -> &'a mut crate::W<REG> {
        self.variant(HF::Hfrco)
    }
    ///Select HFXO as HFCLK
    #[inline(always)]
    pub fn hfxo(self) -> &'a mut crate::W<REG> {
        self.variant(HF::Hfxo)
    }
    ///Select LFRCO as HFCLK
    #[inline(always)]
    pub fn lfrco(self) -> &'a mut crate::W<REG> {
        self.variant(HF::Lfrco)
    }
    ///Select LFXO as HFCLK
    #[inline(always)]
    pub fn lfxo(self) -> &'a mut crate::W<REG> {
        self.variant(HF::Lfxo)
    }
}
impl core::fmt::Debug for crate::generic::Reg<HFCLKSELrs> {
    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        write!(f, "(not readable)")
    }
}
impl W {
    ///Bits 0:2 - HFCLK Select
    #[inline(always)]
    pub fn hf(&mut self) -> HfW<'_, HFCLKSELrs> {
        HfW::new(self, 0)
    }
}
///High Frequency Clock Select Command Register
///
///You can [`reset`](crate::Reg::reset), [`write`](crate::Reg::write), [`write_with_zero`](crate::Reg::write_with_zero) this register using [`hfclksel::W`](W). See [API](https://docs.rs/svd2rust/#read--modify--write-api).
pub struct HFCLKSELrs;
impl crate::RegisterSpec for HFCLKSELrs {
    type Ux = u32;
}
///`write(|w| ..)` method takes [`hfclksel::W`](W) writer structure
impl crate::Writable for HFCLKSELrs {
    type Safety = crate::Unsafe;
}
///`reset()` method sets HFCLKSEL to value 0
impl crate::Resettable for HFCLKSELrs {}