atsaml21e15b/dmac/
crcctrl.rs

1#[doc = "Register `CRCCTRL` reader"]
2pub struct R(crate::R<CRCCTRL_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<CRCCTRL_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<CRCCTRL_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<CRCCTRL_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Register `CRCCTRL` writer"]
17pub struct W(crate::W<CRCCTRL_SPEC>);
18impl core::ops::Deref for W {
19    type Target = crate::W<CRCCTRL_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<CRCCTRL_SPEC>> for W {
32    #[inline(always)]
33    fn from(writer: crate::W<CRCCTRL_SPEC>) -> Self {
34        W(writer)
35    }
36}
37#[doc = "Field `CRCBEATSIZE` reader - CRC Beat Size"]
38pub type CRCBEATSIZE_R = crate::FieldReader<u8, CRCBEATSIZESELECT_A>;
39#[doc = "CRC Beat Size\n\nValue on reset: 0"]
40#[derive(Clone, Copy, Debug, PartialEq, Eq)]
41#[repr(u8)]
42pub enum CRCBEATSIZESELECT_A {
43    #[doc = "0: 8-bit bus transfer"]
44    BYTE = 0,
45    #[doc = "1: 16-bit bus transfer"]
46    HWORD = 1,
47    #[doc = "2: 32-bit bus transfer"]
48    WORD = 2,
49}
50impl From<CRCBEATSIZESELECT_A> for u8 {
51    #[inline(always)]
52    fn from(variant: CRCBEATSIZESELECT_A) -> Self {
53        variant as _
54    }
55}
56impl CRCBEATSIZE_R {
57    #[doc = "Get enumerated values variant"]
58    #[inline(always)]
59    pub fn variant(&self) -> Option<CRCBEATSIZESELECT_A> {
60        match self.bits {
61            0 => Some(CRCBEATSIZESELECT_A::BYTE),
62            1 => Some(CRCBEATSIZESELECT_A::HWORD),
63            2 => Some(CRCBEATSIZESELECT_A::WORD),
64            _ => None,
65        }
66    }
67    #[doc = "Checks if the value of the field is `BYTE`"]
68    #[inline(always)]
69    pub fn is_byte(&self) -> bool {
70        *self == CRCBEATSIZESELECT_A::BYTE
71    }
72    #[doc = "Checks if the value of the field is `HWORD`"]
73    #[inline(always)]
74    pub fn is_hword(&self) -> bool {
75        *self == CRCBEATSIZESELECT_A::HWORD
76    }
77    #[doc = "Checks if the value of the field is `WORD`"]
78    #[inline(always)]
79    pub fn is_word(&self) -> bool {
80        *self == CRCBEATSIZESELECT_A::WORD
81    }
82}
83#[doc = "Field `CRCBEATSIZE` writer - CRC Beat Size"]
84pub type CRCBEATSIZE_W<'a, const O: u8> =
85    crate::FieldWriter<'a, u16, CRCCTRL_SPEC, u8, CRCBEATSIZESELECT_A, 2, O>;
86impl<'a, const O: u8> CRCBEATSIZE_W<'a, O> {
87    #[doc = "8-bit bus transfer"]
88    #[inline(always)]
89    pub fn byte(self) -> &'a mut W {
90        self.variant(CRCBEATSIZESELECT_A::BYTE)
91    }
92    #[doc = "16-bit bus transfer"]
93    #[inline(always)]
94    pub fn hword(self) -> &'a mut W {
95        self.variant(CRCBEATSIZESELECT_A::HWORD)
96    }
97    #[doc = "32-bit bus transfer"]
98    #[inline(always)]
99    pub fn word(self) -> &'a mut W {
100        self.variant(CRCBEATSIZESELECT_A::WORD)
101    }
102}
103#[doc = "Field `CRCPOLY` reader - CRC Polynomial Type"]
104pub type CRCPOLY_R = crate::FieldReader<u8, CRCPOLYSELECT_A>;
105#[doc = "CRC Polynomial Type\n\nValue on reset: 0"]
106#[derive(Clone, Copy, Debug, PartialEq, Eq)]
107#[repr(u8)]
108pub enum CRCPOLYSELECT_A {
109    #[doc = "0: CRC-16 (CRC-CCITT)"]
110    CRC16 = 0,
111    #[doc = "1: CRC32 (IEEE 802.3)"]
112    CRC32 = 1,
113}
114impl From<CRCPOLYSELECT_A> for u8 {
115    #[inline(always)]
116    fn from(variant: CRCPOLYSELECT_A) -> Self {
117        variant as _
118    }
119}
120impl CRCPOLY_R {
121    #[doc = "Get enumerated values variant"]
122    #[inline(always)]
123    pub fn variant(&self) -> Option<CRCPOLYSELECT_A> {
124        match self.bits {
125            0 => Some(CRCPOLYSELECT_A::CRC16),
126            1 => Some(CRCPOLYSELECT_A::CRC32),
127            _ => None,
128        }
129    }
130    #[doc = "Checks if the value of the field is `CRC16`"]
131    #[inline(always)]
132    pub fn is_crc16(&self) -> bool {
133        *self == CRCPOLYSELECT_A::CRC16
134    }
135    #[doc = "Checks if the value of the field is `CRC32`"]
136    #[inline(always)]
137    pub fn is_crc32(&self) -> bool {
138        *self == CRCPOLYSELECT_A::CRC32
139    }
140}
141#[doc = "Field `CRCPOLY` writer - CRC Polynomial Type"]
142pub type CRCPOLY_W<'a, const O: u8> =
143    crate::FieldWriter<'a, u16, CRCCTRL_SPEC, u8, CRCPOLYSELECT_A, 2, O>;
144impl<'a, const O: u8> CRCPOLY_W<'a, O> {
145    #[doc = "CRC-16 (CRC-CCITT)"]
146    #[inline(always)]
147    pub fn crc16(self) -> &'a mut W {
148        self.variant(CRCPOLYSELECT_A::CRC16)
149    }
150    #[doc = "CRC32 (IEEE 802.3)"]
151    #[inline(always)]
152    pub fn crc32(self) -> &'a mut W {
153        self.variant(CRCPOLYSELECT_A::CRC32)
154    }
155}
156#[doc = "Field `CRCSRC` reader - CRC Input Source"]
157pub type CRCSRC_R = crate::FieldReader<u8, CRCSRCSELECT_A>;
158#[doc = "CRC Input Source\n\nValue on reset: 0"]
159#[derive(Clone, Copy, Debug, PartialEq, Eq)]
160#[repr(u8)]
161pub enum CRCSRCSELECT_A {
162    #[doc = "0: No action"]
163    NOACT = 0,
164    #[doc = "1: I/O interface"]
165    IO = 1,
166}
167impl From<CRCSRCSELECT_A> for u8 {
168    #[inline(always)]
169    fn from(variant: CRCSRCSELECT_A) -> Self {
170        variant as _
171    }
172}
173impl CRCSRC_R {
174    #[doc = "Get enumerated values variant"]
175    #[inline(always)]
176    pub fn variant(&self) -> Option<CRCSRCSELECT_A> {
177        match self.bits {
178            0 => Some(CRCSRCSELECT_A::NOACT),
179            1 => Some(CRCSRCSELECT_A::IO),
180            _ => None,
181        }
182    }
183    #[doc = "Checks if the value of the field is `NOACT`"]
184    #[inline(always)]
185    pub fn is_noact(&self) -> bool {
186        *self == CRCSRCSELECT_A::NOACT
187    }
188    #[doc = "Checks if the value of the field is `IO`"]
189    #[inline(always)]
190    pub fn is_io(&self) -> bool {
191        *self == CRCSRCSELECT_A::IO
192    }
193}
194#[doc = "Field `CRCSRC` writer - CRC Input Source"]
195pub type CRCSRC_W<'a, const O: u8> =
196    crate::FieldWriter<'a, u16, CRCCTRL_SPEC, u8, CRCSRCSELECT_A, 6, O>;
197impl<'a, const O: u8> CRCSRC_W<'a, O> {
198    #[doc = "No action"]
199    #[inline(always)]
200    pub fn noact(self) -> &'a mut W {
201        self.variant(CRCSRCSELECT_A::NOACT)
202    }
203    #[doc = "I/O interface"]
204    #[inline(always)]
205    pub fn io(self) -> &'a mut W {
206        self.variant(CRCSRCSELECT_A::IO)
207    }
208}
209impl R {
210    #[doc = "Bits 0:1 - CRC Beat Size"]
211    #[inline(always)]
212    pub fn crcbeatsize(&self) -> CRCBEATSIZE_R {
213        CRCBEATSIZE_R::new((self.bits & 3) as u8)
214    }
215    #[doc = "Bits 2:3 - CRC Polynomial Type"]
216    #[inline(always)]
217    pub fn crcpoly(&self) -> CRCPOLY_R {
218        CRCPOLY_R::new(((self.bits >> 2) & 3) as u8)
219    }
220    #[doc = "Bits 8:13 - CRC Input Source"]
221    #[inline(always)]
222    pub fn crcsrc(&self) -> CRCSRC_R {
223        CRCSRC_R::new(((self.bits >> 8) & 0x3f) as u8)
224    }
225}
226impl W {
227    #[doc = "Bits 0:1 - CRC Beat Size"]
228    #[inline(always)]
229    #[must_use]
230    pub fn crcbeatsize(&mut self) -> CRCBEATSIZE_W<0> {
231        CRCBEATSIZE_W::new(self)
232    }
233    #[doc = "Bits 2:3 - CRC Polynomial Type"]
234    #[inline(always)]
235    #[must_use]
236    pub fn crcpoly(&mut self) -> CRCPOLY_W<2> {
237        CRCPOLY_W::new(self)
238    }
239    #[doc = "Bits 8:13 - CRC Input Source"]
240    #[inline(always)]
241    #[must_use]
242    pub fn crcsrc(&mut self) -> CRCSRC_W<8> {
243        CRCSRC_W::new(self)
244    }
245    #[doc = "Writes raw bits to the register."]
246    #[inline(always)]
247    pub unsafe fn bits(&mut self, bits: u16) -> &mut Self {
248        self.0.bits(bits);
249        self
250    }
251}
252#[doc = "CRC Control\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 [crcctrl](index.html) module"]
253pub struct CRCCTRL_SPEC;
254impl crate::RegisterSpec for CRCCTRL_SPEC {
255    type Ux = u16;
256}
257#[doc = "`read()` method returns [crcctrl::R](R) reader structure"]
258impl crate::Readable for CRCCTRL_SPEC {
259    type Reader = R;
260}
261#[doc = "`write(|w| ..)` method takes [crcctrl::W](W) writer structure"]
262impl crate::Writable for CRCCTRL_SPEC {
263    type Writer = W;
264    const ZERO_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
265    const ONE_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
266}
267#[doc = "`reset()` method sets CRCCTRL to value 0"]
268impl crate::Resettable for CRCCTRL_SPEC {
269    const RESET_VALUE: Self::Ux = 0;
270}