Skip to main content

rk3399_pac/crypto/
hash_ctrl.rs

1#[doc = "Register `HASH_CTRL` reader"]
2pub type R = crate::R<HashCtrlSpec>;
3#[doc = "Register `HASH_CTRL` writer"]
4pub type W = crate::W<HashCtrlSpec>;
5#[doc = "\n\nValue on reset: 0"]
6#[cfg_attr(feature = "defmt", derive(defmt::Format))]
7#[derive(Clone, Copy, Debug, PartialEq, Eq)]
8#[repr(u8)]
9pub enum EngineSelection {
10    #[doc = "0: SHA1_HASH"]
11    B00 = 0,
12    #[doc = "1: MD5_HASH"]
13    B01 = 1,
14    #[doc = "2: SHA256_HASH"]
15    B10 = 2,
16    #[doc = "3: PRNG"]
17    B11 = 3,
18}
19impl From<EngineSelection> for u8 {
20    #[inline(always)]
21    fn from(variant: EngineSelection) -> Self {
22        variant as _
23    }
24}
25impl crate::FieldSpec for EngineSelection {
26    type Ux = u8;
27}
28#[doc = "Field `ENGINE_SELECTION` reader - "]
29pub type EngineSelectionR = crate::FieldReader<EngineSelection>;
30impl EngineSelectionR {
31    #[doc = "Get enumerated values variant"]
32    #[inline(always)]
33    pub const fn variant(&self) -> EngineSelection {
34        match self.bits {
35            0 => EngineSelection::B00,
36            1 => EngineSelection::B01,
37            2 => EngineSelection::B10,
38            3 => EngineSelection::B11,
39            _ => unreachable!(),
40        }
41    }
42    #[doc = "SHA1_HASH"]
43    #[inline(always)]
44    pub fn is_b00(&self) -> bool {
45        *self == EngineSelection::B00
46    }
47    #[doc = "MD5_HASH"]
48    #[inline(always)]
49    pub fn is_b01(&self) -> bool {
50        *self == EngineSelection::B01
51    }
52    #[doc = "SHA256_HASH"]
53    #[inline(always)]
54    pub fn is_b10(&self) -> bool {
55        *self == EngineSelection::B10
56    }
57    #[doc = "PRNG"]
58    #[inline(always)]
59    pub fn is_b11(&self) -> bool {
60        *self == EngineSelection::B11
61    }
62}
63#[doc = "Field `ENGINE_SELECTION` writer - "]
64pub type EngineSelectionW<'a, REG> = crate::FieldWriterSafe<'a, REG, 2, EngineSelection>;
65impl<'a, REG> EngineSelectionW<'a, REG>
66where
67    REG: crate::Writable + crate::RegisterSpec,
68    REG::Ux: From<u8>,
69{
70    #[doc = "SHA1_HASH"]
71    #[inline(always)]
72    pub fn b00(self) -> &'a mut crate::W<REG> {
73        self.variant(EngineSelection::B00)
74    }
75    #[doc = "MD5_HASH"]
76    #[inline(always)]
77    pub fn b01(self) -> &'a mut crate::W<REG> {
78        self.variant(EngineSelection::B01)
79    }
80    #[doc = "SHA256_HASH"]
81    #[inline(always)]
82    pub fn b10(self) -> &'a mut crate::W<REG> {
83        self.variant(EngineSelection::B10)
84    }
85    #[doc = "PRNG"]
86    #[inline(always)]
87    pub fn b11(self) -> &'a mut crate::W<REG> {
88        self.variant(EngineSelection::B11)
89    }
90}
91#[doc = "Field `HASH_SWAP_DO` reader - Specifies the Byte swap of data output (hash result)\n\n0 = Does not swap (default)\n\n1 = Swap"]
92pub type HashSwapDoR = crate::BitReader;
93#[doc = "Field `HASH_SWAP_DO` writer - Specifies the Byte swap of data output (hash result)\n\n0 = Does not swap (default)\n\n1 = Swap"]
94pub type HashSwapDoW<'a, REG> = crate::BitWriter<'a, REG>;
95impl R {
96    #[doc = "Bits 0:1"]
97    #[inline(always)]
98    pub fn engine_selection(&self) -> EngineSelectionR {
99        EngineSelectionR::new((self.bits & 3) as u8)
100    }
101    #[doc = "Bit 3 - Specifies the Byte swap of data output (hash result)\n\n0 = Does not swap (default)\n\n1 = Swap"]
102    #[inline(always)]
103    pub fn hash_swap_do(&self) -> HashSwapDoR {
104        HashSwapDoR::new(((self.bits >> 3) & 1) != 0)
105    }
106}
107impl W {
108    #[doc = "Bits 0:1"]
109    #[inline(always)]
110    #[must_use]
111    pub fn engine_selection(&mut self) -> EngineSelectionW<HashCtrlSpec> {
112        EngineSelectionW::new(self, 0)
113    }
114    #[doc = "Bit 3 - Specifies the Byte swap of data output (hash result)\n\n0 = Does not swap (default)\n\n1 = Swap"]
115    #[inline(always)]
116    #[must_use]
117    pub fn hash_swap_do(&mut self) -> HashSwapDoW<HashCtrlSpec> {
118        HashSwapDoW::new(self, 3)
119    }
120}
121#[doc = "Hash Control Register\n\nYou can [`read`](crate::generic::Reg::read) this register and get [`hash_ctrl::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 [`hash_ctrl::W`](W). You can also [`modify`](crate::generic::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
122pub struct HashCtrlSpec;
123impl crate::RegisterSpec for HashCtrlSpec {
124    type Ux = u32;
125}
126#[doc = "`read()` method returns [`hash_ctrl::R`](R) reader structure"]
127impl crate::Readable for HashCtrlSpec {}
128#[doc = "`write(|w| ..)` method takes [`hash_ctrl::W`](W) writer structure"]
129impl crate::Writable for HashCtrlSpec {
130    type Safety = crate::Unsafe;
131    const ZERO_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
132    const ONE_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
133}
134#[doc = "`reset()` method sets HASH_CTRL to value 0"]
135impl crate::Resettable for HashCtrlSpec {
136    const RESET_VALUE: u32 = 0;
137}