avr_device/devices/atmega4809/twi0/
ctrla.rs

1#[doc = "Register `CTRLA` reader"]
2pub struct R(crate::R<CTRLA_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<CTRLA_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<CTRLA_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<CTRLA_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Register `CTRLA` writer"]
17pub struct W(crate::W<CTRLA_SPEC>);
18impl core::ops::Deref for W {
19    type Target = crate::W<CTRLA_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<CTRLA_SPEC>> for W {
32    #[inline(always)]
33    fn from(writer: crate::W<CTRLA_SPEC>) -> Self {
34        W(writer)
35    }
36}
37#[doc = "Field `DEFAULT_FMPEN` reader - FM Plus Enable"]
38pub type DEFAULT_FMPEN_R = crate::BitReader<bool>;
39#[doc = "Field `DEFAULT_FMPEN` writer - FM Plus Enable"]
40pub type DEFAULT_FMPEN_W<'a, const O: u8> = crate::BitWriter<'a, u8, CTRLA_SPEC, bool, O>;
41#[doc = "Field `DEFAULT_SDAHOLD` reader - SDA Hold Time"]
42pub type DEFAULT_SDAHOLD_R = crate::FieldReader<u8, DEFAULT_SDAHOLD_A>;
43#[doc = "SDA Hold Time\n\nValue on reset: 0"]
44#[derive(Clone, Copy, Debug, PartialEq, Eq)]
45#[repr(u8)]
46pub enum DEFAULT_SDAHOLD_A {
47    #[doc = "0: SDA hold time off"]
48    OFF = 0,
49    #[doc = "1: Typical 50ns hold time"]
50    _50NS = 1,
51    #[doc = "2: Typical 300ns hold time"]
52    _300NS = 2,
53    #[doc = "3: Typical 500ns hold time"]
54    _500NS = 3,
55}
56impl From<DEFAULT_SDAHOLD_A> for u8 {
57    #[inline(always)]
58    fn from(variant: DEFAULT_SDAHOLD_A) -> Self {
59        variant as _
60    }
61}
62impl DEFAULT_SDAHOLD_R {
63    #[doc = "Get enumerated values variant"]
64    #[inline(always)]
65    pub fn variant(&self) -> DEFAULT_SDAHOLD_A {
66        match self.bits {
67            0 => DEFAULT_SDAHOLD_A::OFF,
68            1 => DEFAULT_SDAHOLD_A::_50NS,
69            2 => DEFAULT_SDAHOLD_A::_300NS,
70            3 => DEFAULT_SDAHOLD_A::_500NS,
71            _ => unreachable!(),
72        }
73    }
74    #[doc = "Checks if the value of the field is `OFF`"]
75    #[inline(always)]
76    pub fn is_off(&self) -> bool {
77        *self == DEFAULT_SDAHOLD_A::OFF
78    }
79    #[doc = "Checks if the value of the field is `_50NS`"]
80    #[inline(always)]
81    pub fn is_50ns(&self) -> bool {
82        *self == DEFAULT_SDAHOLD_A::_50NS
83    }
84    #[doc = "Checks if the value of the field is `_300NS`"]
85    #[inline(always)]
86    pub fn is_300ns(&self) -> bool {
87        *self == DEFAULT_SDAHOLD_A::_300NS
88    }
89    #[doc = "Checks if the value of the field is `_500NS`"]
90    #[inline(always)]
91    pub fn is_500ns(&self) -> bool {
92        *self == DEFAULT_SDAHOLD_A::_500NS
93    }
94}
95#[doc = "Field `DEFAULT_SDAHOLD` writer - SDA Hold Time"]
96pub type DEFAULT_SDAHOLD_W<'a, const O: u8> =
97    crate::FieldWriterSafe<'a, u8, CTRLA_SPEC, u8, DEFAULT_SDAHOLD_A, 2, O>;
98impl<'a, const O: u8> DEFAULT_SDAHOLD_W<'a, O> {
99    #[doc = "SDA hold time off"]
100    #[inline(always)]
101    pub fn off(self) -> &'a mut W {
102        self.variant(DEFAULT_SDAHOLD_A::OFF)
103    }
104    #[doc = "Typical 50ns hold time"]
105    #[inline(always)]
106    pub fn _50ns(self) -> &'a mut W {
107        self.variant(DEFAULT_SDAHOLD_A::_50NS)
108    }
109    #[doc = "Typical 300ns hold time"]
110    #[inline(always)]
111    pub fn _300ns(self) -> &'a mut W {
112        self.variant(DEFAULT_SDAHOLD_A::_300NS)
113    }
114    #[doc = "Typical 500ns hold time"]
115    #[inline(always)]
116    pub fn _500ns(self) -> &'a mut W {
117        self.variant(DEFAULT_SDAHOLD_A::_500NS)
118    }
119}
120#[doc = "Field `DEFAULT_SDASETUP` reader - SDA Setup Time"]
121pub type DEFAULT_SDASETUP_R = crate::BitReader<DEFAULT_SDASETUP_A>;
122#[doc = "SDA Setup Time\n\nValue on reset: 0"]
123#[derive(Clone, Copy, Debug, PartialEq, Eq)]
124pub enum DEFAULT_SDASETUP_A {
125    #[doc = "0: SDA setup time is 4 clock cycles"]
126    _4CYC = 0,
127    #[doc = "1: SDA setup time is 8 clock cycles"]
128    _8CYC = 1,
129}
130impl From<DEFAULT_SDASETUP_A> for bool {
131    #[inline(always)]
132    fn from(variant: DEFAULT_SDASETUP_A) -> Self {
133        variant as u8 != 0
134    }
135}
136impl DEFAULT_SDASETUP_R {
137    #[doc = "Get enumerated values variant"]
138    #[inline(always)]
139    pub fn variant(&self) -> DEFAULT_SDASETUP_A {
140        match self.bits {
141            false => DEFAULT_SDASETUP_A::_4CYC,
142            true => DEFAULT_SDASETUP_A::_8CYC,
143        }
144    }
145    #[doc = "Checks if the value of the field is `_4CYC`"]
146    #[inline(always)]
147    pub fn is_4cyc(&self) -> bool {
148        *self == DEFAULT_SDASETUP_A::_4CYC
149    }
150    #[doc = "Checks if the value of the field is `_8CYC`"]
151    #[inline(always)]
152    pub fn is_8cyc(&self) -> bool {
153        *self == DEFAULT_SDASETUP_A::_8CYC
154    }
155}
156#[doc = "Field `DEFAULT_SDASETUP` writer - SDA Setup Time"]
157pub type DEFAULT_SDASETUP_W<'a, const O: u8> =
158    crate::BitWriter<'a, u8, CTRLA_SPEC, DEFAULT_SDASETUP_A, O>;
159impl<'a, const O: u8> DEFAULT_SDASETUP_W<'a, O> {
160    #[doc = "SDA setup time is 4 clock cycles"]
161    #[inline(always)]
162    pub fn _4cyc(self) -> &'a mut W {
163        self.variant(DEFAULT_SDASETUP_A::_4CYC)
164    }
165    #[doc = "SDA setup time is 8 clock cycles"]
166    #[inline(always)]
167    pub fn _8cyc(self) -> &'a mut W {
168        self.variant(DEFAULT_SDASETUP_A::_8CYC)
169    }
170}
171impl R {
172    #[doc = "Bit 1 - FM Plus Enable"]
173    #[inline(always)]
174    pub fn default_fmpen(&self) -> DEFAULT_FMPEN_R {
175        DEFAULT_FMPEN_R::new(((self.bits >> 1) & 1) != 0)
176    }
177    #[doc = "Bits 2:3 - SDA Hold Time"]
178    #[inline(always)]
179    pub fn default_sdahold(&self) -> DEFAULT_SDAHOLD_R {
180        DEFAULT_SDAHOLD_R::new((self.bits >> 2) & 3)
181    }
182    #[doc = "Bit 4 - SDA Setup Time"]
183    #[inline(always)]
184    pub fn default_sdasetup(&self) -> DEFAULT_SDASETUP_R {
185        DEFAULT_SDASETUP_R::new(((self.bits >> 4) & 1) != 0)
186    }
187}
188impl W {
189    #[doc = "Bit 1 - FM Plus Enable"]
190    #[inline(always)]
191    #[must_use]
192    pub fn default_fmpen(&mut self) -> DEFAULT_FMPEN_W<1> {
193        DEFAULT_FMPEN_W::new(self)
194    }
195    #[doc = "Bits 2:3 - SDA Hold Time"]
196    #[inline(always)]
197    #[must_use]
198    pub fn default_sdahold(&mut self) -> DEFAULT_SDAHOLD_W<2> {
199        DEFAULT_SDAHOLD_W::new(self)
200    }
201    #[doc = "Bit 4 - SDA Setup Time"]
202    #[inline(always)]
203    #[must_use]
204    pub fn default_sdasetup(&mut self) -> DEFAULT_SDASETUP_W<4> {
205        DEFAULT_SDASETUP_W::new(self)
206    }
207    #[doc = "Writes raw bits to the register."]
208    #[inline(always)]
209    pub unsafe fn bits(&mut self, bits: u8) -> &mut Self {
210        self.0.bits(bits);
211        self
212    }
213}
214#[doc = "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 [ctrla](index.html) module"]
215pub struct CTRLA_SPEC;
216impl crate::RegisterSpec for CTRLA_SPEC {
217    type Ux = u8;
218}
219#[doc = "`read()` method returns [ctrla::R](R) reader structure"]
220impl crate::Readable for CTRLA_SPEC {
221    type Reader = R;
222}
223#[doc = "`write(|w| ..)` method takes [ctrla::W](W) writer structure"]
224impl crate::Writable for CTRLA_SPEC {
225    type Writer = W;
226    const ZERO_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
227    const ONE_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
228}
229#[doc = "`reset()` method sets CTRLA to value 0"]
230impl crate::Resettable for CTRLA_SPEC {
231    const RESET_VALUE: Self::Ux = 0;
232}