atsamd21j/dmac/
crcctrl.rs

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1#[doc = "Register `CRCCTRL` reader"]
2pub type R = crate::R<CrcctrlSpec>;
3#[doc = "Register `CRCCTRL` writer"]
4pub type W = crate::W<CrcctrlSpec>;
5#[doc = "CRC Beat Size\n\nValue on reset: 0"]
6#[derive(Clone, Copy, Debug, PartialEq, Eq)]
7#[repr(u8)]
8pub enum Crcbeatsizeselect {
9    #[doc = "0: 8-bit bus transfer"]
10    Byte = 0,
11    #[doc = "1: 16-bit bus transfer"]
12    Hword = 1,
13    #[doc = "2: 32-bit bus transfer"]
14    Word = 2,
15}
16impl From<Crcbeatsizeselect> for u8 {
17    #[inline(always)]
18    fn from(variant: Crcbeatsizeselect) -> Self {
19        variant as _
20    }
21}
22impl crate::FieldSpec for Crcbeatsizeselect {
23    type Ux = u8;
24}
25impl crate::IsEnum for Crcbeatsizeselect {}
26#[doc = "Field `CRCBEATSIZE` reader - CRC Beat Size"]
27pub type CrcbeatsizeR = crate::FieldReader<Crcbeatsizeselect>;
28impl CrcbeatsizeR {
29    #[doc = "Get enumerated values variant"]
30    #[inline(always)]
31    pub const fn variant(&self) -> Option<Crcbeatsizeselect> {
32        match self.bits {
33            0 => Some(Crcbeatsizeselect::Byte),
34            1 => Some(Crcbeatsizeselect::Hword),
35            2 => Some(Crcbeatsizeselect::Word),
36            _ => None,
37        }
38    }
39    #[doc = "8-bit bus transfer"]
40    #[inline(always)]
41    pub fn is_byte(&self) -> bool {
42        *self == Crcbeatsizeselect::Byte
43    }
44    #[doc = "16-bit bus transfer"]
45    #[inline(always)]
46    pub fn is_hword(&self) -> bool {
47        *self == Crcbeatsizeselect::Hword
48    }
49    #[doc = "32-bit bus transfer"]
50    #[inline(always)]
51    pub fn is_word(&self) -> bool {
52        *self == Crcbeatsizeselect::Word
53    }
54}
55#[doc = "Field `CRCBEATSIZE` writer - CRC Beat Size"]
56pub type CrcbeatsizeW<'a, REG> = crate::FieldWriter<'a, REG, 2, Crcbeatsizeselect>;
57impl<'a, REG> CrcbeatsizeW<'a, REG>
58where
59    REG: crate::Writable + crate::RegisterSpec,
60    REG::Ux: From<u8>,
61{
62    #[doc = "8-bit bus transfer"]
63    #[inline(always)]
64    pub fn byte(self) -> &'a mut crate::W<REG> {
65        self.variant(Crcbeatsizeselect::Byte)
66    }
67    #[doc = "16-bit bus transfer"]
68    #[inline(always)]
69    pub fn hword(self) -> &'a mut crate::W<REG> {
70        self.variant(Crcbeatsizeselect::Hword)
71    }
72    #[doc = "32-bit bus transfer"]
73    #[inline(always)]
74    pub fn word(self) -> &'a mut crate::W<REG> {
75        self.variant(Crcbeatsizeselect::Word)
76    }
77}
78#[doc = "CRC Polynomial Type\n\nValue on reset: 0"]
79#[derive(Clone, Copy, Debug, PartialEq, Eq)]
80#[repr(u8)]
81pub enum Crcpolyselect {
82    #[doc = "0: CRC-16 (CRC-CCITT)"]
83    Crc16 = 0,
84    #[doc = "1: CRC32 (IEEE 802.3)"]
85    Crc32 = 1,
86}
87impl From<Crcpolyselect> for u8 {
88    #[inline(always)]
89    fn from(variant: Crcpolyselect) -> Self {
90        variant as _
91    }
92}
93impl crate::FieldSpec for Crcpolyselect {
94    type Ux = u8;
95}
96impl crate::IsEnum for Crcpolyselect {}
97#[doc = "Field `CRCPOLY` reader - CRC Polynomial Type"]
98pub type CrcpolyR = crate::FieldReader<Crcpolyselect>;
99impl CrcpolyR {
100    #[doc = "Get enumerated values variant"]
101    #[inline(always)]
102    pub const fn variant(&self) -> Option<Crcpolyselect> {
103        match self.bits {
104            0 => Some(Crcpolyselect::Crc16),
105            1 => Some(Crcpolyselect::Crc32),
106            _ => None,
107        }
108    }
109    #[doc = "CRC-16 (CRC-CCITT)"]
110    #[inline(always)]
111    pub fn is_crc16(&self) -> bool {
112        *self == Crcpolyselect::Crc16
113    }
114    #[doc = "CRC32 (IEEE 802.3)"]
115    #[inline(always)]
116    pub fn is_crc32(&self) -> bool {
117        *self == Crcpolyselect::Crc32
118    }
119}
120#[doc = "Field `CRCPOLY` writer - CRC Polynomial Type"]
121pub type CrcpolyW<'a, REG> = crate::FieldWriter<'a, REG, 2, Crcpolyselect>;
122impl<'a, REG> CrcpolyW<'a, REG>
123where
124    REG: crate::Writable + crate::RegisterSpec,
125    REG::Ux: From<u8>,
126{
127    #[doc = "CRC-16 (CRC-CCITT)"]
128    #[inline(always)]
129    pub fn crc16(self) -> &'a mut crate::W<REG> {
130        self.variant(Crcpolyselect::Crc16)
131    }
132    #[doc = "CRC32 (IEEE 802.3)"]
133    #[inline(always)]
134    pub fn crc32(self) -> &'a mut crate::W<REG> {
135        self.variant(Crcpolyselect::Crc32)
136    }
137}
138#[doc = "CRC Input Source\n\nValue on reset: 0"]
139#[derive(Clone, Copy, Debug, PartialEq, Eq)]
140#[repr(u8)]
141pub enum Crcsrcselect {
142    #[doc = "0: No action"]
143    Noact = 0,
144    #[doc = "1: I/O interface"]
145    Io = 1,
146}
147impl From<Crcsrcselect> for u8 {
148    #[inline(always)]
149    fn from(variant: Crcsrcselect) -> Self {
150        variant as _
151    }
152}
153impl crate::FieldSpec for Crcsrcselect {
154    type Ux = u8;
155}
156impl crate::IsEnum for Crcsrcselect {}
157#[doc = "Field `CRCSRC` reader - CRC Input Source"]
158pub type CrcsrcR = crate::FieldReader<Crcsrcselect>;
159impl CrcsrcR {
160    #[doc = "Get enumerated values variant"]
161    #[inline(always)]
162    pub const fn variant(&self) -> Option<Crcsrcselect> {
163        match self.bits {
164            0 => Some(Crcsrcselect::Noact),
165            1 => Some(Crcsrcselect::Io),
166            _ => None,
167        }
168    }
169    #[doc = "No action"]
170    #[inline(always)]
171    pub fn is_noact(&self) -> bool {
172        *self == Crcsrcselect::Noact
173    }
174    #[doc = "I/O interface"]
175    #[inline(always)]
176    pub fn is_io(&self) -> bool {
177        *self == Crcsrcselect::Io
178    }
179}
180#[doc = "Field `CRCSRC` writer - CRC Input Source"]
181pub type CrcsrcW<'a, REG> = crate::FieldWriter<'a, REG, 6, Crcsrcselect>;
182impl<'a, REG> CrcsrcW<'a, REG>
183where
184    REG: crate::Writable + crate::RegisterSpec,
185    REG::Ux: From<u8>,
186{
187    #[doc = "No action"]
188    #[inline(always)]
189    pub fn noact(self) -> &'a mut crate::W<REG> {
190        self.variant(Crcsrcselect::Noact)
191    }
192    #[doc = "I/O interface"]
193    #[inline(always)]
194    pub fn io(self) -> &'a mut crate::W<REG> {
195        self.variant(Crcsrcselect::Io)
196    }
197}
198impl R {
199    #[doc = "Bits 0:1 - CRC Beat Size"]
200    #[inline(always)]
201    pub fn crcbeatsize(&self) -> CrcbeatsizeR {
202        CrcbeatsizeR::new((self.bits & 3) as u8)
203    }
204    #[doc = "Bits 2:3 - CRC Polynomial Type"]
205    #[inline(always)]
206    pub fn crcpoly(&self) -> CrcpolyR {
207        CrcpolyR::new(((self.bits >> 2) & 3) as u8)
208    }
209    #[doc = "Bits 8:13 - CRC Input Source"]
210    #[inline(always)]
211    pub fn crcsrc(&self) -> CrcsrcR {
212        CrcsrcR::new(((self.bits >> 8) & 0x3f) as u8)
213    }
214}
215impl W {
216    #[doc = "Bits 0:1 - CRC Beat Size"]
217    #[inline(always)]
218    #[must_use]
219    pub fn crcbeatsize(&mut self) -> CrcbeatsizeW<CrcctrlSpec> {
220        CrcbeatsizeW::new(self, 0)
221    }
222    #[doc = "Bits 2:3 - CRC Polynomial Type"]
223    #[inline(always)]
224    #[must_use]
225    pub fn crcpoly(&mut self) -> CrcpolyW<CrcctrlSpec> {
226        CrcpolyW::new(self, 2)
227    }
228    #[doc = "Bits 8:13 - CRC Input Source"]
229    #[inline(always)]
230    #[must_use]
231    pub fn crcsrc(&mut self) -> CrcsrcW<CrcctrlSpec> {
232        CrcsrcW::new(self, 8)
233    }
234}
235#[doc = "CRC Control\n\nYou can [`read`](crate::Reg::read) this register and get [`crcctrl::R`](R). You can [`reset`](crate::Reg::reset), [`write`](crate::Reg::write), [`write_with_zero`](crate::Reg::write_with_zero) this register using [`crcctrl::W`](W). You can also [`modify`](crate::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
236pub struct CrcctrlSpec;
237impl crate::RegisterSpec for CrcctrlSpec {
238    type Ux = u16;
239}
240#[doc = "`read()` method returns [`crcctrl::R`](R) reader structure"]
241impl crate::Readable for CrcctrlSpec {}
242#[doc = "`write(|w| ..)` method takes [`crcctrl::W`](W) writer structure"]
243impl crate::Writable for CrcctrlSpec {
244    type Safety = crate::Unsafe;
245    const ZERO_TO_MODIFY_FIELDS_BITMAP: u16 = 0;
246    const ONE_TO_MODIFY_FIELDS_BITMAP: u16 = 0;
247}
248#[doc = "`reset()` method sets CRCCTRL to value 0"]
249impl crate::Resettable for CrcctrlSpec {
250    const RESET_VALUE: u16 = 0;
251}
atsamd21j/dmac/crcctrl.rs

atsamd21j/dmac/
crcctrl.rs
