d1_pac/twi/
twi_efr.rs

1#[doc = "Register `twi_efr` reader"]
2pub type R = crate::R<TWI_EFR_SPEC>;
3#[doc = "Register `twi_efr` writer"]
4pub type W = crate::W<TWI_EFR_SPEC>;
5#[doc = "Field `dbn` reader - Data Byte Number Follow Read Command Control"]
6pub type DBN_R = crate::FieldReader<DBN_A>;
7#[doc = "Data Byte Number Follow Read Command Control\n\nValue on reset: 0"]
8#[derive(Clone, Copy, Debug, PartialEq, Eq)]
9#[repr(u8)]
10pub enum DBN_A {
11    #[doc = "0: No data byte can be written after the read command"]
12    B0 = 0,
13    #[doc = "1: 1-byte data can be written after the read command"]
14    B1 = 1,
15    #[doc = "2: 2-byte data can be written after the read command"]
16    B2 = 2,
17    #[doc = "3: 3-byte data can be written after the read command"]
18    B3 = 3,
19}
20impl From<DBN_A> for u8 {
21    #[inline(always)]
22    fn from(variant: DBN_A) -> Self {
23        variant as _
24    }
25}
26impl crate::FieldSpec for DBN_A {
27    type Ux = u8;
28}
29impl DBN_R {
30    #[doc = "Get enumerated values variant"]
31    #[inline(always)]
32    pub const fn variant(&self) -> DBN_A {
33        match self.bits {
34            0 => DBN_A::B0,
35            1 => DBN_A::B1,
36            2 => DBN_A::B2,
37            3 => DBN_A::B3,
38            _ => unreachable!(),
39        }
40    }
41    #[doc = "No data byte can be written after the read command"]
42    #[inline(always)]
43    pub fn is_b0(&self) -> bool {
44        *self == DBN_A::B0
45    }
46    #[doc = "1-byte data can be written after the read command"]
47    #[inline(always)]
48    pub fn is_b1(&self) -> bool {
49        *self == DBN_A::B1
50    }
51    #[doc = "2-byte data can be written after the read command"]
52    #[inline(always)]
53    pub fn is_b2(&self) -> bool {
54        *self == DBN_A::B2
55    }
56    #[doc = "3-byte data can be written after the read command"]
57    #[inline(always)]
58    pub fn is_b3(&self) -> bool {
59        *self == DBN_A::B3
60    }
61}
62#[doc = "Field `dbn` writer - Data Byte Number Follow Read Command Control"]
63pub type DBN_W<'a, REG> = crate::FieldWriterSafe<'a, REG, 2, DBN_A>;
64impl<'a, REG> DBN_W<'a, REG>
65where
66    REG: crate::Writable + crate::RegisterSpec,
67    REG::Ux: From<u8>,
68{
69    #[doc = "No data byte can be written after the read command"]
70    #[inline(always)]
71    pub fn b0(self) -> &'a mut crate::W<REG> {
72        self.variant(DBN_A::B0)
73    }
74    #[doc = "1-byte data can be written after the read command"]
75    #[inline(always)]
76    pub fn b1(self) -> &'a mut crate::W<REG> {
77        self.variant(DBN_A::B1)
78    }
79    #[doc = "2-byte data can be written after the read command"]
80    #[inline(always)]
81    pub fn b2(self) -> &'a mut crate::W<REG> {
82        self.variant(DBN_A::B2)
83    }
84    #[doc = "3-byte data can be written after the read command"]
85    #[inline(always)]
86    pub fn b3(self) -> &'a mut crate::W<REG> {
87        self.variant(DBN_A::B3)
88    }
89}
90impl R {
91    #[doc = "Bits 0:1 - Data Byte Number Follow Read Command Control"]
92    #[inline(always)]
93    pub fn dbn(&self) -> DBN_R {
94        DBN_R::new((self.bits & 3) as u8)
95    }
96}
97impl W {
98    #[doc = "Bits 0:1 - Data Byte Number Follow Read Command Control"]
99    #[inline(always)]
100    #[must_use]
101    pub fn dbn(&mut self) -> DBN_W<TWI_EFR_SPEC> {
102        DBN_W::new(self, 0)
103    }
104    #[doc = r" Writes raw bits to the register."]
105    #[doc = r""]
106    #[doc = r" # Safety"]
107    #[doc = r""]
108    #[doc = r" Passing incorrect value can cause undefined behaviour. See reference manual"]
109    #[inline(always)]
110    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
111        self.bits = bits;
112        self
113    }
114}
115#[doc = "TWI Enhance Feature Register\n\nYou can [`read`](crate::generic::Reg::read) this register and get [`twi_efr::R`](R).  You can [`reset`](crate::generic::Reg::reset), [`write`](crate::generic::Reg::write), [`write_with_zero`](crate::generic::Reg::write_with_zero) this register using [`twi_efr::W`](W). You can also [`modify`](crate::generic::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
116pub struct TWI_EFR_SPEC;
117impl crate::RegisterSpec for TWI_EFR_SPEC {
118    type Ux = u32;
119}
120#[doc = "`read()` method returns [`twi_efr::R`](R) reader structure"]
121impl crate::Readable for TWI_EFR_SPEC {}
122#[doc = "`write(|w| ..)` method takes [`twi_efr::W`](W) writer structure"]
123impl crate::Writable for TWI_EFR_SPEC {
124    const ZERO_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
125    const ONE_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
126}
127#[doc = "`reset()` method sets twi_efr to value 0"]
128impl crate::Resettable for TWI_EFR_SPEC {
129    const RESET_VALUE: Self::Ux = 0;
130}
d1_pac/twi/twi_efr.rs

d1_pac/twi/
twi_efr.rs
