avr_device/devices/atmega4809/clkctrl/
mclkctrla.rs1#[doc = "Register `MCLKCTRLA` reader"]
2pub struct R(crate::R<MCLKCTRLA_SPEC>);
3impl core::ops::Deref for R {
4 type Target = crate::R<MCLKCTRLA_SPEC>;
5 #[inline(always)]
6 fn deref(&self) -> &Self::Target {
7 &self.0
8 }
9}
10impl From<crate::R<MCLKCTRLA_SPEC>> for R {
11 #[inline(always)]
12 fn from(reader: crate::R<MCLKCTRLA_SPEC>) -> Self {
13 R(reader)
14 }
15}
16#[doc = "Register `MCLKCTRLA` writer"]
17pub struct W(crate::W<MCLKCTRLA_SPEC>);
18impl core::ops::Deref for W {
19 type Target = crate::W<MCLKCTRLA_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<MCLKCTRLA_SPEC>> for W {
32 #[inline(always)]
33 fn from(writer: crate::W<MCLKCTRLA_SPEC>) -> Self {
34 W(writer)
35 }
36}
37#[doc = "Field `CLKSEL` reader - clock select"]
38pub type CLKSEL_R = crate::FieldReader<u8, CLKSEL_A>;
39#[doc = "clock select\n\nValue on reset: 0"]
40#[derive(Clone, Copy, Debug, PartialEq, Eq)]
41#[repr(u8)]
42pub enum CLKSEL_A {
43 #[doc = "0: 20MHz oscillator"]
44 OSC20M = 0,
45 #[doc = "1: 32KHz oscillator"]
46 OSCULP32K = 1,
47 #[doc = "2: 32.768kHz crystal oscillator"]
48 XOSC32K = 2,
49 #[doc = "3: External clock"]
50 EXTCLK = 3,
51}
52impl From<CLKSEL_A> for u8 {
53 #[inline(always)]
54 fn from(variant: CLKSEL_A) -> Self {
55 variant as _
56 }
57}
58impl CLKSEL_R {
59 #[doc = "Get enumerated values variant"]
60 #[inline(always)]
61 pub fn variant(&self) -> CLKSEL_A {
62 match self.bits {
63 0 => CLKSEL_A::OSC20M,
64 1 => CLKSEL_A::OSCULP32K,
65 2 => CLKSEL_A::XOSC32K,
66 3 => CLKSEL_A::EXTCLK,
67 _ => unreachable!(),
68 }
69 }
70 #[doc = "Checks if the value of the field is `OSC20M`"]
71 #[inline(always)]
72 pub fn is_osc20m(&self) -> bool {
73 *self == CLKSEL_A::OSC20M
74 }
75 #[doc = "Checks if the value of the field is `OSCULP32K`"]
76 #[inline(always)]
77 pub fn is_osculp32k(&self) -> bool {
78 *self == CLKSEL_A::OSCULP32K
79 }
80 #[doc = "Checks if the value of the field is `XOSC32K`"]
81 #[inline(always)]
82 pub fn is_xosc32k(&self) -> bool {
83 *self == CLKSEL_A::XOSC32K
84 }
85 #[doc = "Checks if the value of the field is `EXTCLK`"]
86 #[inline(always)]
87 pub fn is_extclk(&self) -> bool {
88 *self == CLKSEL_A::EXTCLK
89 }
90}
91#[doc = "Field `CLKSEL` writer - clock select"]
92pub type CLKSEL_W<'a, const O: u8> =
93 crate::FieldWriterSafe<'a, u8, MCLKCTRLA_SPEC, u8, CLKSEL_A, 2, O>;
94impl<'a, const O: u8> CLKSEL_W<'a, O> {
95 #[doc = "20MHz oscillator"]
96 #[inline(always)]
97 pub fn osc20m(self) -> &'a mut W {
98 self.variant(CLKSEL_A::OSC20M)
99 }
100 #[doc = "32KHz oscillator"]
101 #[inline(always)]
102 pub fn osculp32k(self) -> &'a mut W {
103 self.variant(CLKSEL_A::OSCULP32K)
104 }
105 #[doc = "32.768kHz crystal oscillator"]
106 #[inline(always)]
107 pub fn xosc32k(self) -> &'a mut W {
108 self.variant(CLKSEL_A::XOSC32K)
109 }
110 #[doc = "External clock"]
111 #[inline(always)]
112 pub fn extclk(self) -> &'a mut W {
113 self.variant(CLKSEL_A::EXTCLK)
114 }
115}
116#[doc = "Field `CLKOUT` reader - System clock out"]
117pub type CLKOUT_R = crate::BitReader<bool>;
118#[doc = "Field `CLKOUT` writer - System clock out"]
119pub type CLKOUT_W<'a, const O: u8> = crate::BitWriter<'a, u8, MCLKCTRLA_SPEC, bool, O>;
120impl R {
121 #[doc = "Bits 0:1 - clock select"]
122 #[inline(always)]
123 pub fn clksel(&self) -> CLKSEL_R {
124 CLKSEL_R::new(self.bits & 3)
125 }
126 #[doc = "Bit 7 - System clock out"]
127 #[inline(always)]
128 pub fn clkout(&self) -> CLKOUT_R {
129 CLKOUT_R::new(((self.bits >> 7) & 1) != 0)
130 }
131}
132impl W {
133 #[doc = "Bits 0:1 - clock select"]
134 #[inline(always)]
135 #[must_use]
136 pub fn clksel(&mut self) -> CLKSEL_W<0> {
137 CLKSEL_W::new(self)
138 }
139 #[doc = "Bit 7 - System clock out"]
140 #[inline(always)]
141 #[must_use]
142 pub fn clkout(&mut self) -> CLKOUT_W<7> {
143 CLKOUT_W::new(self)
144 }
145 #[doc = "Writes raw bits to the register."]
146 #[inline(always)]
147 pub unsafe fn bits(&mut self, bits: u8) -> &mut Self {
148 self.0.bits(bits);
149 self
150 }
151}
152#[doc = "MCLK Control A\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 [mclkctrla](index.html) module"]
153pub struct MCLKCTRLA_SPEC;
154impl crate::RegisterSpec for MCLKCTRLA_SPEC {
155 type Ux = u8;
156}
157#[doc = "`read()` method returns [mclkctrla::R](R) reader structure"]
158impl crate::Readable for MCLKCTRLA_SPEC {
159 type Reader = R;
160}
161#[doc = "`write(|w| ..)` method takes [mclkctrla::W](W) writer structure"]
162impl crate::Writable for MCLKCTRLA_SPEC {
163 type Writer = W;
164 const ZERO_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
165 const ONE_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
166}
167#[doc = "`reset()` method sets MCLKCTRLA to value 0"]
168impl crate::Resettable for MCLKCTRLA_SPEC {
169 const RESET_VALUE: Self::Ux = 0;
170}