nrf52840_pac/spis0/
semstat.rs

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1#[doc = "Register `SEMSTAT` reader"]
2pub struct R(crate::R<SEMSTAT_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<SEMSTAT_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<SEMSTAT_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<SEMSTAT_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Field `SEMSTAT` reader - Semaphore status"]
17pub type SEMSTAT_R = crate::FieldReader<u8, SEMSTAT_A>;
18#[doc = "Semaphore status\n\nValue on reset: 1"]
19#[derive(Clone, Copy, Debug, PartialEq)]
20#[repr(u8)]
21pub enum SEMSTAT_A {
22    #[doc = "0: Semaphore is free"]
23    FREE = 0,
24    #[doc = "1: Semaphore is assigned to CPU"]
25    CPU = 1,
26    #[doc = "2: Semaphore is assigned to SPI slave"]
27    SPIS = 2,
28    #[doc = "3: Semaphore is assigned to SPI but a handover to the CPU is pending"]
29    CPUPENDING = 3,
30}
31impl From<SEMSTAT_A> for u8 {
32    #[inline(always)]
33    fn from(variant: SEMSTAT_A) -> Self {
34        variant as _
35    }
36}
37impl SEMSTAT_R {
38    #[doc = "Get enumerated values variant"]
39    #[inline(always)]
40    pub fn variant(&self) -> SEMSTAT_A {
41        match self.bits {
42            0 => SEMSTAT_A::FREE,
43            1 => SEMSTAT_A::CPU,
44            2 => SEMSTAT_A::SPIS,
45            3 => SEMSTAT_A::CPUPENDING,
46            _ => unreachable!(),
47        }
48    }
49    #[doc = "Checks if the value of the field is `FREE`"]
50    #[inline(always)]
51    pub fn is_free(&self) -> bool {
52        *self == SEMSTAT_A::FREE
53    }
54    #[doc = "Checks if the value of the field is `CPU`"]
55    #[inline(always)]
56    pub fn is_cpu(&self) -> bool {
57        *self == SEMSTAT_A::CPU
58    }
59    #[doc = "Checks if the value of the field is `SPIS`"]
60    #[inline(always)]
61    pub fn is_spis(&self) -> bool {
62        *self == SEMSTAT_A::SPIS
63    }
64    #[doc = "Checks if the value of the field is `CPUPENDING`"]
65    #[inline(always)]
66    pub fn is_cpupending(&self) -> bool {
67        *self == SEMSTAT_A::CPUPENDING
68    }
69}
70impl R {
71    #[doc = "Bits 0:1 - Semaphore status"]
72    #[inline(always)]
73    pub fn semstat(&self) -> SEMSTAT_R {
74        SEMSTAT_R::new((self.bits & 3) as u8)
75    }
76}
77#[doc = "Semaphore status register\n\nThis register you can [`read`](crate::generic::Reg::read). See [API](https://docs.rs/svd2rust/#read--modify--write-api).\n\nFor information about available fields see [semstat](index.html) module"]
78pub struct SEMSTAT_SPEC;
79impl crate::RegisterSpec for SEMSTAT_SPEC {
80    type Ux = u32;
81}
82#[doc = "`read()` method returns [semstat::R](R) reader structure"]
83impl crate::Readable for SEMSTAT_SPEC {
84    type Reader = R;
85}
86#[doc = "`reset()` method sets SEMSTAT to value 0x01"]
87impl crate::Resettable for SEMSTAT_SPEC {
88    #[inline(always)]
89    fn reset_value() -> Self::Ux {
90        0x01
91    }
92}
nrf52840_pac/spis0/semstat.rs

nrf52840_pac/spis0/
semstat.rs
