avr_device/devices/atmega4809/twi0/
mstatus.rs

1#[doc = "Register `MSTATUS` reader"]
2pub struct R(crate::R<MSTATUS_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<MSTATUS_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<MSTATUS_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<MSTATUS_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Register `MSTATUS` writer"]
17pub struct W(crate::W<MSTATUS_SPEC>);
18impl core::ops::Deref for W {
19    type Target = crate::W<MSTATUS_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<MSTATUS_SPEC>> for W {
32    #[inline(always)]
33    fn from(writer: crate::W<MSTATUS_SPEC>) -> Self {
34        W(writer)
35    }
36}
37#[doc = "Field `BUSSTATE` reader - Bus State"]
38pub type BUSSTATE_R = crate::FieldReader<u8, BUSSTATE_A>;
39#[doc = "Bus State\n\nValue on reset: 0"]
40#[derive(Clone, Copy, Debug, PartialEq, Eq)]
41#[repr(u8)]
42pub enum BUSSTATE_A {
43    #[doc = "0: Unknown Bus State"]
44    UNKNOWN = 0,
45    #[doc = "1: Bus is Idle"]
46    IDLE = 1,
47    #[doc = "2: This Module Controls The Bus"]
48    OWNER = 2,
49    #[doc = "3: The Bus is Busy"]
50    BUSY = 3,
51}
52impl From<BUSSTATE_A> for u8 {
53    #[inline(always)]
54    fn from(variant: BUSSTATE_A) -> Self {
55        variant as _
56    }
57}
58impl BUSSTATE_R {
59    #[doc = "Get enumerated values variant"]
60    #[inline(always)]
61    pub fn variant(&self) -> BUSSTATE_A {
62        match self.bits {
63            0 => BUSSTATE_A::UNKNOWN,
64            1 => BUSSTATE_A::IDLE,
65            2 => BUSSTATE_A::OWNER,
66            3 => BUSSTATE_A::BUSY,
67            _ => unreachable!(),
68        }
69    }
70    #[doc = "Checks if the value of the field is `UNKNOWN`"]
71    #[inline(always)]
72    pub fn is_unknown(&self) -> bool {
73        *self == BUSSTATE_A::UNKNOWN
74    }
75    #[doc = "Checks if the value of the field is `IDLE`"]
76    #[inline(always)]
77    pub fn is_idle(&self) -> bool {
78        *self == BUSSTATE_A::IDLE
79    }
80    #[doc = "Checks if the value of the field is `OWNER`"]
81    #[inline(always)]
82    pub fn is_owner(&self) -> bool {
83        *self == BUSSTATE_A::OWNER
84    }
85    #[doc = "Checks if the value of the field is `BUSY`"]
86    #[inline(always)]
87    pub fn is_busy(&self) -> bool {
88        *self == BUSSTATE_A::BUSY
89    }
90}
91#[doc = "Field `BUSSTATE` writer - Bus State"]
92pub type BUSSTATE_W<'a, const O: u8> =
93    crate::FieldWriterSafe<'a, u8, MSTATUS_SPEC, u8, BUSSTATE_A, 2, O>;
94impl<'a, const O: u8> BUSSTATE_W<'a, O> {
95    #[doc = "Unknown Bus State"]
96    #[inline(always)]
97    pub fn unknown(self) -> &'a mut W {
98        self.variant(BUSSTATE_A::UNKNOWN)
99    }
100    #[doc = "Bus is Idle"]
101    #[inline(always)]
102    pub fn idle(self) -> &'a mut W {
103        self.variant(BUSSTATE_A::IDLE)
104    }
105    #[doc = "This Module Controls The Bus"]
106    #[inline(always)]
107    pub fn owner(self) -> &'a mut W {
108        self.variant(BUSSTATE_A::OWNER)
109    }
110    #[doc = "The Bus is Busy"]
111    #[inline(always)]
112    pub fn busy(self) -> &'a mut W {
113        self.variant(BUSSTATE_A::BUSY)
114    }
115}
116#[doc = "Field `BUSERR` reader - Bus Error"]
117pub type BUSERR_R = crate::BitReader<bool>;
118#[doc = "Field `BUSERR` writer - Bus Error"]
119pub type BUSERR_W<'a, const O: u8> = crate::BitWriter<'a, u8, MSTATUS_SPEC, bool, O>;
120#[doc = "Field `ARBLOST` reader - Arbitration Lost"]
121pub type ARBLOST_R = crate::BitReader<bool>;
122#[doc = "Field `ARBLOST` writer - Arbitration Lost"]
123pub type ARBLOST_W<'a, const O: u8> = crate::BitWriter<'a, u8, MSTATUS_SPEC, bool, O>;
124#[doc = "Field `RXACK` reader - Received Acknowledge"]
125pub type RXACK_R = crate::BitReader<bool>;
126#[doc = "Field `CLKHOLD` reader - Clock Hold"]
127pub type CLKHOLD_R = crate::BitReader<bool>;
128#[doc = "Field `CLKHOLD` writer - Clock Hold"]
129pub type CLKHOLD_W<'a, const O: u8> = crate::BitWriter<'a, u8, MSTATUS_SPEC, bool, O>;
130#[doc = "Field `WIF` reader - Write Interrupt Flag"]
131pub type WIF_R = crate::BitReader<bool>;
132#[doc = "Field `WIF` writer - Write Interrupt Flag"]
133pub type WIF_W<'a, const O: u8> = crate::BitWriter<'a, u8, MSTATUS_SPEC, bool, O>;
134#[doc = "Field `RIF` reader - Read Interrupt Flag"]
135pub type RIF_R = crate::BitReader<bool>;
136#[doc = "Field `RIF` writer - Read Interrupt Flag"]
137pub type RIF_W<'a, const O: u8> = crate::BitWriter<'a, u8, MSTATUS_SPEC, bool, O>;
138impl R {
139    #[doc = "Bits 0:1 - Bus State"]
140    #[inline(always)]
141    pub fn busstate(&self) -> BUSSTATE_R {
142        BUSSTATE_R::new(self.bits & 3)
143    }
144    #[doc = "Bit 2 - Bus Error"]
145    #[inline(always)]
146    pub fn buserr(&self) -> BUSERR_R {
147        BUSERR_R::new(((self.bits >> 2) & 1) != 0)
148    }
149    #[doc = "Bit 3 - Arbitration Lost"]
150    #[inline(always)]
151    pub fn arblost(&self) -> ARBLOST_R {
152        ARBLOST_R::new(((self.bits >> 3) & 1) != 0)
153    }
154    #[doc = "Bit 4 - Received Acknowledge"]
155    #[inline(always)]
156    pub fn rxack(&self) -> RXACK_R {
157        RXACK_R::new(((self.bits >> 4) & 1) != 0)
158    }
159    #[doc = "Bit 5 - Clock Hold"]
160    #[inline(always)]
161    pub fn clkhold(&self) -> CLKHOLD_R {
162        CLKHOLD_R::new(((self.bits >> 5) & 1) != 0)
163    }
164    #[doc = "Bit 6 - Write Interrupt Flag"]
165    #[inline(always)]
166    pub fn wif(&self) -> WIF_R {
167        WIF_R::new(((self.bits >> 6) & 1) != 0)
168    }
169    #[doc = "Bit 7 - Read Interrupt Flag"]
170    #[inline(always)]
171    pub fn rif(&self) -> RIF_R {
172        RIF_R::new(((self.bits >> 7) & 1) != 0)
173    }
174}
175impl W {
176    #[doc = "Bits 0:1 - Bus State"]
177    #[inline(always)]
178    #[must_use]
179    pub fn busstate(&mut self) -> BUSSTATE_W<0> {
180        BUSSTATE_W::new(self)
181    }
182    #[doc = "Bit 2 - Bus Error"]
183    #[inline(always)]
184    #[must_use]
185    pub fn buserr(&mut self) -> BUSERR_W<2> {
186        BUSERR_W::new(self)
187    }
188    #[doc = "Bit 3 - Arbitration Lost"]
189    #[inline(always)]
190    #[must_use]
191    pub fn arblost(&mut self) -> ARBLOST_W<3> {
192        ARBLOST_W::new(self)
193    }
194    #[doc = "Bit 5 - Clock Hold"]
195    #[inline(always)]
196    #[must_use]
197    pub fn clkhold(&mut self) -> CLKHOLD_W<5> {
198        CLKHOLD_W::new(self)
199    }
200    #[doc = "Bit 6 - Write Interrupt Flag"]
201    #[inline(always)]
202    #[must_use]
203    pub fn wif(&mut self) -> WIF_W<6> {
204        WIF_W::new(self)
205    }
206    #[doc = "Bit 7 - Read Interrupt Flag"]
207    #[inline(always)]
208    #[must_use]
209    pub fn rif(&mut self) -> RIF_W<7> {
210        RIF_W::new(self)
211    }
212    #[doc = "Writes raw bits to the register."]
213    #[inline(always)]
214    pub unsafe fn bits(&mut self, bits: u8) -> &mut Self {
215        self.0.bits(bits);
216        self
217    }
218}
219#[doc = "Master Status\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 [mstatus](index.html) module"]
220pub struct MSTATUS_SPEC;
221impl crate::RegisterSpec for MSTATUS_SPEC {
222    type Ux = u8;
223}
224#[doc = "`read()` method returns [mstatus::R](R) reader structure"]
225impl crate::Readable for MSTATUS_SPEC {
226    type Reader = R;
227}
228#[doc = "`write(|w| ..)` method takes [mstatus::W](W) writer structure"]
229impl crate::Writable for MSTATUS_SPEC {
230    type Writer = W;
231    const ZERO_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
232    const ONE_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
233}
234#[doc = "`reset()` method sets MSTATUS to value 0"]
235impl crate::Resettable for MSTATUS_SPEC {
236    const RESET_VALUE: Self::Ux = 0;
237}