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#[doc = "Register `CTRL` reader"]
pub type R = crate::R<CTRL_SPEC>;
#[doc = "Register `CTRL` writer"]
pub type W = crate::W<CTRL_SPEC>;
#[doc = "Field `FREQ_RANGE` reader - Frequency range. This resets to 0xAA0 and cannot be changed."]
pub type FREQ_RANGE_R = crate::FieldReader<FREQ_RANGE_A>;
#[doc = "Frequency range. This resets to 0xAA0 and cannot be changed.  

Value on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[repr(u16)]
pub enum FREQ_RANGE_A {
    #[doc = "2720: `101010100000`"]
    _1_15MHZ = 2720,
    #[doc = "2721: `101010100001`"]
    RESERVED_1 = 2721,
    #[doc = "2722: `101010100010`"]
    RESERVED_2 = 2722,
    #[doc = "2723: `101010100011`"]
    RESERVED_3 = 2723,
}
impl From<FREQ_RANGE_A> for u16 {
    #[inline(always)]
    fn from(variant: FREQ_RANGE_A) -> Self {
        variant as _
    }
}
impl crate::FieldSpec for FREQ_RANGE_A {
    type Ux = u16;
}
impl FREQ_RANGE_R {
    #[doc = "Get enumerated values variant"]
    #[inline(always)]
    pub const fn variant(&self) -> Option<FREQ_RANGE_A> {
        match self.bits {
            2720 => Some(FREQ_RANGE_A::_1_15MHZ),
            2721 => Some(FREQ_RANGE_A::RESERVED_1),
            2722 => Some(FREQ_RANGE_A::RESERVED_2),
            2723 => Some(FREQ_RANGE_A::RESERVED_3),
            _ => None,
        }
    }
    #[doc = "`101010100000`"]
    #[inline(always)]
    pub fn is_1_15mhz(&self) -> bool {
        *self == FREQ_RANGE_A::_1_15MHZ
    }
    #[doc = "`101010100001`"]
    #[inline(always)]
    pub fn is_reserved_1(&self) -> bool {
        *self == FREQ_RANGE_A::RESERVED_1
    }
    #[doc = "`101010100010`"]
    #[inline(always)]
    pub fn is_reserved_2(&self) -> bool {
        *self == FREQ_RANGE_A::RESERVED_2
    }
    #[doc = "`101010100011`"]
    #[inline(always)]
    pub fn is_reserved_3(&self) -> bool {
        *self == FREQ_RANGE_A::RESERVED_3
    }
}
#[doc = "Field `FREQ_RANGE` writer - Frequency range. This resets to 0xAA0 and cannot be changed."]
pub type FREQ_RANGE_W<'a, REG> = crate::FieldWriter<'a, REG, 12, FREQ_RANGE_A>;
impl<'a, REG> FREQ_RANGE_W<'a, REG>
where
    REG: crate::Writable + crate::RegisterSpec,
    REG::Ux: From<u16>,
{
    #[doc = "`101010100000`"]
    #[inline(always)]
    pub fn _1_15mhz(self) -> &'a mut crate::W<REG> {
        self.variant(FREQ_RANGE_A::_1_15MHZ)
    }
    #[doc = "`101010100001`"]
    #[inline(always)]
    pub fn reserved_1(self) -> &'a mut crate::W<REG> {
        self.variant(FREQ_RANGE_A::RESERVED_1)
    }
    #[doc = "`101010100010`"]
    #[inline(always)]
    pub fn reserved_2(self) -> &'a mut crate::W<REG> {
        self.variant(FREQ_RANGE_A::RESERVED_2)
    }
    #[doc = "`101010100011`"]
    #[inline(always)]
    pub fn reserved_3(self) -> &'a mut crate::W<REG> {
        self.variant(FREQ_RANGE_A::RESERVED_3)
    }
}
#[doc = "Field `ENABLE` reader - On power-up this field is initialised to DISABLE and the chip runs from the ROSC.  
 If the chip has subsequently been programmed to run from the XOSC then setting this field to DISABLE may lock-up the chip. If this is a concern then run the clk_ref from the ROSC and enable the clk_sys RESUS feature.  
 The 12-bit code is intended to give some protection against accidental writes. An invalid setting will enable the oscillator."]
pub type ENABLE_R = crate::FieldReader<ENABLE_A>;
#[doc = "On power-up this field is initialised to DISABLE and the chip runs from the ROSC.  
 If the chip has subsequently been programmed to run from the XOSC then setting this field to DISABLE may lock-up the chip. If this is a concern then run the clk_ref from the ROSC and enable the clk_sys RESUS feature.  
 The 12-bit code is intended to give some protection against accidental writes. An invalid setting will enable the oscillator.  

Value on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[repr(u16)]
pub enum ENABLE_A {
    #[doc = "3358: `110100011110`"]
    DISABLE = 3358,
    #[doc = "4011: `111110101011`"]
    ENABLE = 4011,
}
impl From<ENABLE_A> for u16 {
    #[inline(always)]
    fn from(variant: ENABLE_A) -> Self {
        variant as _
    }
}
impl crate::FieldSpec for ENABLE_A {
    type Ux = u16;
}
impl ENABLE_R {
    #[doc = "Get enumerated values variant"]
    #[inline(always)]
    pub const fn variant(&self) -> Option<ENABLE_A> {
        match self.bits {
            3358 => Some(ENABLE_A::DISABLE),
            4011 => Some(ENABLE_A::ENABLE),
            _ => None,
        }
    }
    #[doc = "`110100011110`"]
    #[inline(always)]
    pub fn is_disable(&self) -> bool {
        *self == ENABLE_A::DISABLE
    }
    #[doc = "`111110101011`"]
    #[inline(always)]
    pub fn is_enable(&self) -> bool {
        *self == ENABLE_A::ENABLE
    }
}
#[doc = "Field `ENABLE` writer - On power-up this field is initialised to DISABLE and the chip runs from the ROSC.  
 If the chip has subsequently been programmed to run from the XOSC then setting this field to DISABLE may lock-up the chip. If this is a concern then run the clk_ref from the ROSC and enable the clk_sys RESUS feature.  
 The 12-bit code is intended to give some protection against accidental writes. An invalid setting will enable the oscillator."]
pub type ENABLE_W<'a, REG> = crate::FieldWriter<'a, REG, 12, ENABLE_A>;
impl<'a, REG> ENABLE_W<'a, REG>
where
    REG: crate::Writable + crate::RegisterSpec,
    REG::Ux: From<u16>,
{
    #[doc = "`110100011110`"]
    #[inline(always)]
    pub fn disable(self) -> &'a mut crate::W<REG> {
        self.variant(ENABLE_A::DISABLE)
    }
    #[doc = "`111110101011`"]
    #[inline(always)]
    pub fn enable(self) -> &'a mut crate::W<REG> {
        self.variant(ENABLE_A::ENABLE)
    }
}
impl R {
    #[doc = "Bits 0:11 - Frequency range. This resets to 0xAA0 and cannot be changed."]
    #[inline(always)]
    pub fn freq_range(&self) -> FREQ_RANGE_R {
        FREQ_RANGE_R::new((self.bits & 0x0fff) as u16)
    }
    #[doc = "Bits 12:23 - On power-up this field is initialised to DISABLE and the chip runs from the ROSC.  
 If the chip has subsequently been programmed to run from the XOSC then setting this field to DISABLE may lock-up the chip. If this is a concern then run the clk_ref from the ROSC and enable the clk_sys RESUS feature.  
 The 12-bit code is intended to give some protection against accidental writes. An invalid setting will enable the oscillator."]
    #[inline(always)]
    pub fn enable(&self) -> ENABLE_R {
        ENABLE_R::new(((self.bits >> 12) & 0x0fff) as u16)
    }
}
impl W {
    #[doc = "Bits 0:11 - Frequency range. This resets to 0xAA0 and cannot be changed."]
    #[inline(always)]
    #[must_use]
    pub fn freq_range(&mut self) -> FREQ_RANGE_W<CTRL_SPEC> {
        FREQ_RANGE_W::new(self, 0)
    }
    #[doc = "Bits 12:23 - On power-up this field is initialised to DISABLE and the chip runs from the ROSC.  
 If the chip has subsequently been programmed to run from the XOSC then setting this field to DISABLE may lock-up the chip. If this is a concern then run the clk_ref from the ROSC and enable the clk_sys RESUS feature.  
 The 12-bit code is intended to give some protection against accidental writes. An invalid setting will enable the oscillator."]
    #[inline(always)]
    #[must_use]
    pub fn enable(&mut self) -> ENABLE_W<CTRL_SPEC> {
        ENABLE_W::new(self, 12)
    }
    #[doc = r" Writes raw bits to the register."]
    #[doc = r""]
    #[doc = r" # Safety"]
    #[doc = r""]
    #[doc = r" Passing incorrect value can cause undefined behaviour. See reference manual"]
    #[inline(always)]
    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
        self.bits = bits;
        self
    }
}
#[doc = "Crystal Oscillator Control  

You can [`read`](crate::generic::Reg::read) this register and get [`ctrl::R`](R).  You can [`reset`](crate::generic::Reg::reset), [`write`](crate::generic::Reg::write), [`write_with_zero`](crate::generic::Reg::write_with_zero) this register using [`ctrl::W`](W). You can also [`modify`](crate::generic::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
pub struct CTRL_SPEC;
impl crate::RegisterSpec for CTRL_SPEC {
    type Ux = u32;
}
#[doc = "`read()` method returns [`ctrl::R`](R) reader structure"]
impl crate::Readable for CTRL_SPEC {}
#[doc = "`write(|w| ..)` method takes [`ctrl::W`](W) writer structure"]
impl crate::Writable for CTRL_SPEC {
    const ZERO_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
    const ONE_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
}
#[doc = "`reset()` method sets CTRL to value 0"]
impl crate::Resettable for CTRL_SPEC {
    const RESET_VALUE: u32 = 0;
}