efm32pg1b200_pac/cmu/
hfpresc.rs

1#[doc = "Register `HFPRESC` reader"]
2pub struct R(crate::R<HFPRESC_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<HFPRESC_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<HFPRESC_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<HFPRESC_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Register `HFPRESC` writer"]
17pub struct W(crate::W<HFPRESC_SPEC>);
18impl core::ops::Deref for W {
19    type Target = crate::W<HFPRESC_SPEC>;
20    #[inline(always)]
21    fn deref(&self) -> &Self::Target {
22        &self.0
23    }
24}
25impl core::ops::DerefMut for W {
26    #[inline(always)]
27    fn deref_mut(&mut self) -> &mut Self::Target {
28        &mut self.0
29    }
30}
31impl From<crate::W<HFPRESC_SPEC>> for W {
32    #[inline(always)]
33    fn from(writer: crate::W<HFPRESC_SPEC>) -> Self {
34        W(writer)
35    }
36}
37#[doc = "HFCLK Prescaler\n\nValue on reset: 0"]
38#[derive(Clone, Copy, Debug, PartialEq)]
39#[repr(u8)]
40pub enum PRESC_A {
41    #[doc = "0: `0`"]
42    NODIVISION = 0,
43}
44impl From<PRESC_A> for u8 {
45    #[inline(always)]
46    fn from(variant: PRESC_A) -> Self {
47        variant as _
48    }
49}
50#[doc = "Field `PRESC` reader - HFCLK Prescaler"]
51pub type PRESC_R = crate::FieldReader<u8, PRESC_A>;
52impl PRESC_R {
53    #[doc = "Get enumerated values variant"]
54    #[inline(always)]
55    pub fn variant(&self) -> Option<PRESC_A> {
56        match self.bits {
57            0 => Some(PRESC_A::NODIVISION),
58            _ => None,
59        }
60    }
61    #[doc = "Checks if the value of the field is `NODIVISION`"]
62    #[inline(always)]
63    pub fn is_nodivision(&self) -> bool {
64        *self == PRESC_A::NODIVISION
65    }
66}
67#[doc = "Field `PRESC` writer - HFCLK Prescaler"]
68pub type PRESC_W<'a> = crate::FieldWriter<'a, u32, HFPRESC_SPEC, u8, PRESC_A, 5, 8>;
69impl<'a> PRESC_W<'a> {
70    #[doc = "`0`"]
71    #[inline(always)]
72    pub fn nodivision(self) -> &'a mut W {
73        self.variant(PRESC_A::NODIVISION)
74    }
75}
76#[doc = "HFCLKLE Prescaler\n\nValue on reset: 0"]
77#[derive(Clone, Copy, Debug, PartialEq)]
78pub enum HFCLKLEPRESC_A {
79    #[doc = "0: HFCLKLE is HFBUSCLKLE divided by 2."]
80    DIV2 = 0,
81    #[doc = "1: HFCLKLE is HFBUSCLKLE divided by 4."]
82    DIV4 = 1,
83}
84impl From<HFCLKLEPRESC_A> for bool {
85    #[inline(always)]
86    fn from(variant: HFCLKLEPRESC_A) -> Self {
87        variant as u8 != 0
88    }
89}
90#[doc = "Field `HFCLKLEPRESC` reader - HFCLKLE Prescaler"]
91pub type HFCLKLEPRESC_R = crate::BitReader<HFCLKLEPRESC_A>;
92impl HFCLKLEPRESC_R {
93    #[doc = "Get enumerated values variant"]
94    #[inline(always)]
95    pub fn variant(&self) -> HFCLKLEPRESC_A {
96        match self.bits {
97            false => HFCLKLEPRESC_A::DIV2,
98            true => HFCLKLEPRESC_A::DIV4,
99        }
100    }
101    #[doc = "Checks if the value of the field is `DIV2`"]
102    #[inline(always)]
103    pub fn is_div2(&self) -> bool {
104        *self == HFCLKLEPRESC_A::DIV2
105    }
106    #[doc = "Checks if the value of the field is `DIV4`"]
107    #[inline(always)]
108    pub fn is_div4(&self) -> bool {
109        *self == HFCLKLEPRESC_A::DIV4
110    }
111}
112#[doc = "Field `HFCLKLEPRESC` writer - HFCLKLE Prescaler"]
113pub type HFCLKLEPRESC_W<'a> = crate::BitWriter<'a, u32, HFPRESC_SPEC, HFCLKLEPRESC_A, 24>;
114impl<'a> HFCLKLEPRESC_W<'a> {
115    #[doc = "HFCLKLE is HFBUSCLKLE divided by 2."]
116    #[inline(always)]
117    pub fn div2(self) -> &'a mut W {
118        self.variant(HFCLKLEPRESC_A::DIV2)
119    }
120    #[doc = "HFCLKLE is HFBUSCLKLE divided by 4."]
121    #[inline(always)]
122    pub fn div4(self) -> &'a mut W {
123        self.variant(HFCLKLEPRESC_A::DIV4)
124    }
125}
126impl R {
127    #[doc = "Bits 8:12 - HFCLK Prescaler"]
128    #[inline(always)]
129    pub fn presc(&self) -> PRESC_R {
130        PRESC_R::new(((self.bits >> 8) & 0x1f) as u8)
131    }
132    #[doc = "Bit 24 - HFCLKLE Prescaler"]
133    #[inline(always)]
134    pub fn hfclklepresc(&self) -> HFCLKLEPRESC_R {
135        HFCLKLEPRESC_R::new(((self.bits >> 24) & 1) != 0)
136    }
137}
138impl W {
139    #[doc = "Bits 8:12 - HFCLK Prescaler"]
140    #[inline(always)]
141    pub fn presc(&mut self) -> PRESC_W {
142        PRESC_W::new(self)
143    }
144    #[doc = "Bit 24 - HFCLKLE Prescaler"]
145    #[inline(always)]
146    pub fn hfclklepresc(&mut self) -> HFCLKLEPRESC_W {
147        HFCLKLEPRESC_W::new(self)
148    }
149    #[doc = "Writes raw bits to the register."]
150    #[inline(always)]
151    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
152        self.0.bits(bits);
153        self
154    }
155}
156#[doc = "High Frequency Clock Prescaler Register\n\nThis register you can [`read`](crate::generic::Reg::read), [`write_with_zero`](crate::generic::Reg::write_with_zero), [`reset`](crate::generic::Reg::reset), [`write`](crate::generic::Reg::write), [`modify`](crate::generic::Reg::modify). See [API](https://docs.rs/svd2rust/#read--modify--write-api).\n\nFor information about available fields see [hfpresc](index.html) module"]
157pub struct HFPRESC_SPEC;
158impl crate::RegisterSpec for HFPRESC_SPEC {
159    type Ux = u32;
160}
161#[doc = "`read()` method returns [hfpresc::R](R) reader structure"]
162impl crate::Readable for HFPRESC_SPEC {
163    type Reader = R;
164}
165#[doc = "`write(|w| ..)` method takes [hfpresc::W](W) writer structure"]
166impl crate::Writable for HFPRESC_SPEC {
167    type Writer = W;
168}
169#[doc = "`reset()` method sets HFPRESC to value 0"]
170impl crate::Resettable for HFPRESC_SPEC {
171    #[inline(always)]
172    fn reset_value() -> Self::Ux {
173        0
174    }
175}