nrf52840_pac/twi0/
frequency.rs

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1#[doc = "Register `FREQUENCY` reader"]
2pub struct R(crate::R<FREQUENCY_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<FREQUENCY_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<FREQUENCY_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<FREQUENCY_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Register `FREQUENCY` writer"]
17pub struct W(crate::W<FREQUENCY_SPEC>);
18impl core::ops::Deref for W {
19    type Target = crate::W<FREQUENCY_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<FREQUENCY_SPEC>> for W {
32    #[inline(always)]
33    fn from(writer: crate::W<FREQUENCY_SPEC>) -> Self {
34        W(writer)
35    }
36}
37#[doc = "Field `FREQUENCY` reader - TWI master clock frequency"]
38pub type FREQUENCY_R = crate::FieldReader<u32, FREQUENCY_A>;
39#[doc = "TWI master clock frequency\n\nValue on reset: 67108864"]
40#[derive(Clone, Copy, Debug, PartialEq)]
41#[repr(u32)]
42pub enum FREQUENCY_A {
43    #[doc = "26738688: 100 kbps"]
44    K100 = 26738688,
45    #[doc = "67108864: 250 kbps"]
46    K250 = 67108864,
47    #[doc = "107479040: 400 kbps (actual rate 410.256 kbps)"]
48    K400 = 107479040,
49}
50impl From<FREQUENCY_A> for u32 {
51    #[inline(always)]
52    fn from(variant: FREQUENCY_A) -> Self {
53        variant as _
54    }
55}
56impl FREQUENCY_R {
57    #[doc = "Get enumerated values variant"]
58    #[inline(always)]
59    pub fn variant(&self) -> Option<FREQUENCY_A> {
60        match self.bits {
61            26738688 => Some(FREQUENCY_A::K100),
62            67108864 => Some(FREQUENCY_A::K250),
63            107479040 => Some(FREQUENCY_A::K400),
64            _ => None,
65        }
66    }
67    #[doc = "Checks if the value of the field is `K100`"]
68    #[inline(always)]
69    pub fn is_k100(&self) -> bool {
70        *self == FREQUENCY_A::K100
71    }
72    #[doc = "Checks if the value of the field is `K250`"]
73    #[inline(always)]
74    pub fn is_k250(&self) -> bool {
75        *self == FREQUENCY_A::K250
76    }
77    #[doc = "Checks if the value of the field is `K400`"]
78    #[inline(always)]
79    pub fn is_k400(&self) -> bool {
80        *self == FREQUENCY_A::K400
81    }
82}
83#[doc = "Field `FREQUENCY` writer - TWI master clock frequency"]
84pub type FREQUENCY_W<'a, const O: u8> =
85    crate::FieldWriter<'a, u32, FREQUENCY_SPEC, u32, FREQUENCY_A, 32, O>;
86impl<'a, const O: u8> FREQUENCY_W<'a, O> {
87    #[doc = "100 kbps"]
88    #[inline(always)]
89    pub fn k100(self) -> &'a mut W {
90        self.variant(FREQUENCY_A::K100)
91    }
92    #[doc = "250 kbps"]
93    #[inline(always)]
94    pub fn k250(self) -> &'a mut W {
95        self.variant(FREQUENCY_A::K250)
96    }
97    #[doc = "400 kbps (actual rate 410.256 kbps)"]
98    #[inline(always)]
99    pub fn k400(self) -> &'a mut W {
100        self.variant(FREQUENCY_A::K400)
101    }
102}
103impl R {
104    #[doc = "Bits 0:31 - TWI master clock frequency"]
105    #[inline(always)]
106    pub fn frequency(&self) -> FREQUENCY_R {
107        FREQUENCY_R::new(self.bits)
108    }
109}
110impl W {
111    #[doc = "Bits 0:31 - TWI master clock frequency"]
112    #[inline(always)]
113    pub fn frequency(&mut self) -> FREQUENCY_W<0> {
114        FREQUENCY_W::new(self)
115    }
116    #[doc = "Writes raw bits to the register."]
117    #[inline(always)]
118    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
119        self.0.bits(bits);
120        self
121    }
122}
123#[doc = "TWI frequency. Accuracy depends on the HFCLK source selected.\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 [frequency](index.html) module"]
124pub struct FREQUENCY_SPEC;
125impl crate::RegisterSpec for FREQUENCY_SPEC {
126    type Ux = u32;
127}
128#[doc = "`read()` method returns [frequency::R](R) reader structure"]
129impl crate::Readable for FREQUENCY_SPEC {
130    type Reader = R;
131}
132#[doc = "`write(|w| ..)` method takes [frequency::W](W) writer structure"]
133impl crate::Writable for FREQUENCY_SPEC {
134    type Writer = W;
135}
136#[doc = "`reset()` method sets FREQUENCY to value 0x0400_0000"]
137impl crate::Resettable for FREQUENCY_SPEC {
138    #[inline(always)]
139    fn reset_value() -> Self::Ux {
140        0x0400_0000
141    }
142}
nrf52840_pac/twi0/frequency.rs

nrf52840_pac/twi0/
frequency.rs
