nrf52840_pac/clock/
lfclksrc.rs

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1#[doc = "Register `LFCLKSRC` reader"]
2pub struct R(crate::R<LFCLKSRC_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<LFCLKSRC_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<LFCLKSRC_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<LFCLKSRC_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Register `LFCLKSRC` writer"]
17pub struct W(crate::W<LFCLKSRC_SPEC>);
18impl core::ops::Deref for W {
19    type Target = crate::W<LFCLKSRC_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<LFCLKSRC_SPEC>> for W {
32    #[inline(always)]
33    fn from(writer: crate::W<LFCLKSRC_SPEC>) -> Self {
34        W(writer)
35    }
36}
37#[doc = "Field `SRC` reader - Clock source"]
38pub type SRC_R = crate::FieldReader<u8, SRC_A>;
39#[doc = "Clock source\n\nValue on reset: 0"]
40#[derive(Clone, Copy, Debug, PartialEq)]
41#[repr(u8)]
42pub enum SRC_A {
43    #[doc = "0: 32.768 kHz RC oscillator (LFRC)"]
44    RC = 0,
45    #[doc = "1: 32.768 kHz crystal oscillator (LFXO)"]
46    XTAL = 1,
47    #[doc = "2: 32.768 kHz synthesized from HFCLK (LFSYNT)"]
48    SYNTH = 2,
49}
50impl From<SRC_A> for u8 {
51    #[inline(always)]
52    fn from(variant: SRC_A) -> Self {
53        variant as _
54    }
55}
56impl SRC_R {
57    #[doc = "Get enumerated values variant"]
58    #[inline(always)]
59    pub fn variant(&self) -> Option<SRC_A> {
60        match self.bits {
61            0 => Some(SRC_A::RC),
62            1 => Some(SRC_A::XTAL),
63            2 => Some(SRC_A::SYNTH),
64            _ => None,
65        }
66    }
67    #[doc = "Checks if the value of the field is `RC`"]
68    #[inline(always)]
69    pub fn is_rc(&self) -> bool {
70        *self == SRC_A::RC
71    }
72    #[doc = "Checks if the value of the field is `XTAL`"]
73    #[inline(always)]
74    pub fn is_xtal(&self) -> bool {
75        *self == SRC_A::XTAL
76    }
77    #[doc = "Checks if the value of the field is `SYNTH`"]
78    #[inline(always)]
79    pub fn is_synth(&self) -> bool {
80        *self == SRC_A::SYNTH
81    }
82}
83#[doc = "Field `SRC` writer - Clock source"]
84pub type SRC_W<'a, const O: u8> = crate::FieldWriter<'a, u32, LFCLKSRC_SPEC, u8, SRC_A, 2, O>;
85impl<'a, const O: u8> SRC_W<'a, O> {
86    #[doc = "32.768 kHz RC oscillator (LFRC)"]
87    #[inline(always)]
88    pub fn rc(self) -> &'a mut W {
89        self.variant(SRC_A::RC)
90    }
91    #[doc = "32.768 kHz crystal oscillator (LFXO)"]
92    #[inline(always)]
93    pub fn xtal(self) -> &'a mut W {
94        self.variant(SRC_A::XTAL)
95    }
96    #[doc = "32.768 kHz synthesized from HFCLK (LFSYNT)"]
97    #[inline(always)]
98    pub fn synth(self) -> &'a mut W {
99        self.variant(SRC_A::SYNTH)
100    }
101}
102#[doc = "Field `BYPASS` reader - Enable or disable bypass of LFCLK crystal oscillator with external clock source"]
103pub type BYPASS_R = crate::BitReader<BYPASS_A>;
104#[doc = "Enable or disable bypass of LFCLK crystal oscillator with external clock source\n\nValue on reset: 0"]
105#[derive(Clone, Copy, Debug, PartialEq)]
106pub enum BYPASS_A {
107    #[doc = "0: Disable (use with Xtal or low-swing external source)"]
108    DISABLED = 0,
109    #[doc = "1: Enable (use with rail-to-rail external source)"]
110    ENABLED = 1,
111}
112impl From<BYPASS_A> for bool {
113    #[inline(always)]
114    fn from(variant: BYPASS_A) -> Self {
115        variant as u8 != 0
116    }
117}
118impl BYPASS_R {
119    #[doc = "Get enumerated values variant"]
120    #[inline(always)]
121    pub fn variant(&self) -> BYPASS_A {
122        match self.bits {
123            false => BYPASS_A::DISABLED,
124            true => BYPASS_A::ENABLED,
125        }
126    }
127    #[doc = "Checks if the value of the field is `DISABLED`"]
128    #[inline(always)]
129    pub fn is_disabled(&self) -> bool {
130        *self == BYPASS_A::DISABLED
131    }
132    #[doc = "Checks if the value of the field is `ENABLED`"]
133    #[inline(always)]
134    pub fn is_enabled(&self) -> bool {
135        *self == BYPASS_A::ENABLED
136    }
137}
138#[doc = "Field `BYPASS` writer - Enable or disable bypass of LFCLK crystal oscillator with external clock source"]
139pub type BYPASS_W<'a, const O: u8> = crate::BitWriter<'a, u32, LFCLKSRC_SPEC, BYPASS_A, O>;
140impl<'a, const O: u8> BYPASS_W<'a, O> {
141    #[doc = "Disable (use with Xtal or low-swing external source)"]
142    #[inline(always)]
143    pub fn disabled(self) -> &'a mut W {
144        self.variant(BYPASS_A::DISABLED)
145    }
146    #[doc = "Enable (use with rail-to-rail external source)"]
147    #[inline(always)]
148    pub fn enabled(self) -> &'a mut W {
149        self.variant(BYPASS_A::ENABLED)
150    }
151}
152#[doc = "Field `EXTERNAL` reader - Enable or disable external source for LFCLK"]
153pub type EXTERNAL_R = crate::BitReader<EXTERNAL_A>;
154#[doc = "Enable or disable external source for LFCLK\n\nValue on reset: 0"]
155#[derive(Clone, Copy, Debug, PartialEq)]
156pub enum EXTERNAL_A {
157    #[doc = "0: Disable external source (use with Xtal)"]
158    DISABLED = 0,
159    #[doc = "1: Enable use of external source instead of Xtal (SRC needs to be set to Xtal)"]
160    ENABLED = 1,
161}
162impl From<EXTERNAL_A> for bool {
163    #[inline(always)]
164    fn from(variant: EXTERNAL_A) -> Self {
165        variant as u8 != 0
166    }
167}
168impl EXTERNAL_R {
169    #[doc = "Get enumerated values variant"]
170    #[inline(always)]
171    pub fn variant(&self) -> EXTERNAL_A {
172        match self.bits {
173            false => EXTERNAL_A::DISABLED,
174            true => EXTERNAL_A::ENABLED,
175        }
176    }
177    #[doc = "Checks if the value of the field is `DISABLED`"]
178    #[inline(always)]
179    pub fn is_disabled(&self) -> bool {
180        *self == EXTERNAL_A::DISABLED
181    }
182    #[doc = "Checks if the value of the field is `ENABLED`"]
183    #[inline(always)]
184    pub fn is_enabled(&self) -> bool {
185        *self == EXTERNAL_A::ENABLED
186    }
187}
188#[doc = "Field `EXTERNAL` writer - Enable or disable external source for LFCLK"]
189pub type EXTERNAL_W<'a, const O: u8> = crate::BitWriter<'a, u32, LFCLKSRC_SPEC, EXTERNAL_A, O>;
190impl<'a, const O: u8> EXTERNAL_W<'a, O> {
191    #[doc = "Disable external source (use with Xtal)"]
192    #[inline(always)]
193    pub fn disabled(self) -> &'a mut W {
194        self.variant(EXTERNAL_A::DISABLED)
195    }
196    #[doc = "Enable use of external source instead of Xtal (SRC needs to be set to Xtal)"]
197    #[inline(always)]
198    pub fn enabled(self) -> &'a mut W {
199        self.variant(EXTERNAL_A::ENABLED)
200    }
201}
202impl R {
203    #[doc = "Bits 0:1 - Clock source"]
204    #[inline(always)]
205    pub fn src(&self) -> SRC_R {
206        SRC_R::new((self.bits & 3) as u8)
207    }
208    #[doc = "Bit 16 - Enable or disable bypass of LFCLK crystal oscillator with external clock source"]
209    #[inline(always)]
210    pub fn bypass(&self) -> BYPASS_R {
211        BYPASS_R::new(((self.bits >> 16) & 1) != 0)
212    }
213    #[doc = "Bit 17 - Enable or disable external source for LFCLK"]
214    #[inline(always)]
215    pub fn external(&self) -> EXTERNAL_R {
216        EXTERNAL_R::new(((self.bits >> 17) & 1) != 0)
217    }
218}
219impl W {
220    #[doc = "Bits 0:1 - Clock source"]
221    #[inline(always)]
222    pub fn src(&mut self) -> SRC_W<0> {
223        SRC_W::new(self)
224    }
225    #[doc = "Bit 16 - Enable or disable bypass of LFCLK crystal oscillator with external clock source"]
226    #[inline(always)]
227    pub fn bypass(&mut self) -> BYPASS_W<16> {
228        BYPASS_W::new(self)
229    }
230    #[doc = "Bit 17 - Enable or disable external source for LFCLK"]
231    #[inline(always)]
232    pub fn external(&mut self) -> EXTERNAL_W<17> {
233        EXTERNAL_W::new(self)
234    }
235    #[doc = "Writes raw bits to the register."]
236    #[inline(always)]
237    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
238        self.0.bits(bits);
239        self
240    }
241}
242#[doc = "Clock source for the LFCLK\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 [lfclksrc](index.html) module"]
243pub struct LFCLKSRC_SPEC;
244impl crate::RegisterSpec for LFCLKSRC_SPEC {
245    type Ux = u32;
246}
247#[doc = "`read()` method returns [lfclksrc::R](R) reader structure"]
248impl crate::Readable for LFCLKSRC_SPEC {
249    type Reader = R;
250}
251#[doc = "`write(|w| ..)` method takes [lfclksrc::W](W) writer structure"]
252impl crate::Writable for LFCLKSRC_SPEC {
253    type Writer = W;
254}
255#[doc = "`reset()` method sets LFCLKSRC to value 0"]
256impl crate::Resettable for LFCLKSRC_SPEC {
257    #[inline(always)]
258    fn reset_value() -> Self::Ux {
259        0
260    }
261}
nrf52840_pac/clock/lfclksrc.rs

nrf52840_pac/clock/
lfclksrc.rs
