efm32g230_pac/i2c0/
ctrl.rs

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1#[doc = "Register `CTRL` reader"]
2pub struct R(crate::R<CTRL_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<CTRL_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<CTRL_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<CTRL_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Register `CTRL` writer"]
17pub struct W(crate::W<CTRL_SPEC>);
18impl core::ops::Deref for W {
19    type Target = crate::W<CTRL_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<CTRL_SPEC>> for W {
32    #[inline(always)]
33    fn from(writer: crate::W<CTRL_SPEC>) -> Self {
34        W(writer)
35    }
36}
37#[doc = "Field `EN` reader - I2C Enable"]
38pub type EN_R = crate::BitReader<bool>;
39#[doc = "Field `EN` writer - I2C Enable"]
40pub type EN_W<'a> = crate::BitWriter<'a, u32, CTRL_SPEC, bool, 0>;
41#[doc = "Field `SLAVE` reader - Addressable as Slave"]
42pub type SLAVE_R = crate::BitReader<bool>;
43#[doc = "Field `SLAVE` writer - Addressable as Slave"]
44pub type SLAVE_W<'a> = crate::BitWriter<'a, u32, CTRL_SPEC, bool, 1>;
45#[doc = "Field `AUTOACK` reader - Automatic Acknowledge"]
46pub type AUTOACK_R = crate::BitReader<bool>;
47#[doc = "Field `AUTOACK` writer - Automatic Acknowledge"]
48pub type AUTOACK_W<'a> = crate::BitWriter<'a, u32, CTRL_SPEC, bool, 2>;
49#[doc = "Field `AUTOSE` reader - Automatic STOP when Empty"]
50pub type AUTOSE_R = crate::BitReader<bool>;
51#[doc = "Field `AUTOSE` writer - Automatic STOP when Empty"]
52pub type AUTOSE_W<'a> = crate::BitWriter<'a, u32, CTRL_SPEC, bool, 3>;
53#[doc = "Field `AUTOSN` reader - Automatic STOP on NACK"]
54pub type AUTOSN_R = crate::BitReader<bool>;
55#[doc = "Field `AUTOSN` writer - Automatic STOP on NACK"]
56pub type AUTOSN_W<'a> = crate::BitWriter<'a, u32, CTRL_SPEC, bool, 4>;
57#[doc = "Field `ARBDIS` reader - Arbitration Disable"]
58pub type ARBDIS_R = crate::BitReader<bool>;
59#[doc = "Field `ARBDIS` writer - Arbitration Disable"]
60pub type ARBDIS_W<'a> = crate::BitWriter<'a, u32, CTRL_SPEC, bool, 5>;
61#[doc = "Field `GCAMEN` reader - General Call Address Match Enable"]
62pub type GCAMEN_R = crate::BitReader<bool>;
63#[doc = "Field `GCAMEN` writer - General Call Address Match Enable"]
64pub type GCAMEN_W<'a> = crate::BitWriter<'a, u32, CTRL_SPEC, bool, 6>;
65#[doc = "Clock Low High Ratio\n\nValue on reset: 0"]
66#[derive(Clone, Copy, Debug, PartialEq)]
67#[repr(u8)]
68pub enum CLHR_A {
69    #[doc = "0: The ratio between low period and high period counters (Nlow:Nhigh) is 4:4"]
70    STANDARD = 0,
71    #[doc = "1: The ratio between low period and high period counters (Nlow:Nhigh) is 6:3"]
72    ASYMMETRIC = 1,
73    #[doc = "2: The ratio between low period and high period counters (Nlow:Nhigh) is 11:6"]
74    FAST = 2,
75}
76impl From<CLHR_A> for u8 {
77    #[inline(always)]
78    fn from(variant: CLHR_A) -> Self {
79        variant as _
80    }
81}
82#[doc = "Field `CLHR` reader - Clock Low High Ratio"]
83pub type CLHR_R = crate::FieldReader<u8, CLHR_A>;
84impl CLHR_R {
85    #[doc = "Get enumerated values variant"]
86    #[inline(always)]
87    pub fn variant(&self) -> Option<CLHR_A> {
88        match self.bits {
89            0 => Some(CLHR_A::STANDARD),
90            1 => Some(CLHR_A::ASYMMETRIC),
91            2 => Some(CLHR_A::FAST),
92            _ => None,
93        }
94    }
95    #[doc = "Checks if the value of the field is `STANDARD`"]
96    #[inline(always)]
97    pub fn is_standard(&self) -> bool {
98        *self == CLHR_A::STANDARD
99    }
100    #[doc = "Checks if the value of the field is `ASYMMETRIC`"]
101    #[inline(always)]
102    pub fn is_asymmetric(&self) -> bool {
103        *self == CLHR_A::ASYMMETRIC
104    }
105    #[doc = "Checks if the value of the field is `FAST`"]
106    #[inline(always)]
107    pub fn is_fast(&self) -> bool {
108        *self == CLHR_A::FAST
109    }
110}
111#[doc = "Field `CLHR` writer - Clock Low High Ratio"]
112pub type CLHR_W<'a> = crate::FieldWriter<'a, u32, CTRL_SPEC, u8, CLHR_A, 2, 8>;
113impl<'a> CLHR_W<'a> {
114    #[doc = "The ratio between low period and high period counters (Nlow:Nhigh) is 4:4"]
115    #[inline(always)]
116    pub fn standard(self) -> &'a mut W {
117        self.variant(CLHR_A::STANDARD)
118    }
119    #[doc = "The ratio between low period and high period counters (Nlow:Nhigh) is 6:3"]
120    #[inline(always)]
121    pub fn asymmetric(self) -> &'a mut W {
122        self.variant(CLHR_A::ASYMMETRIC)
123    }
124    #[doc = "The ratio between low period and high period counters (Nlow:Nhigh) is 11:6"]
125    #[inline(always)]
126    pub fn fast(self) -> &'a mut W {
127        self.variant(CLHR_A::FAST)
128    }
129}
130#[doc = "Bus Idle Timeout\n\nValue on reset: 0"]
131#[derive(Clone, Copy, Debug, PartialEq)]
132#[repr(u8)]
133pub enum BITO_A {
134    #[doc = "0: Timeout disabled"]
135    OFF = 0,
136    #[doc = "1: Timeout after 40 prescaled clock cycles. In standard mode at 100 kHz, this results in a 50us timeout."]
137    _40PCC = 1,
138    #[doc = "2: Timeout after 80 prescaled clock cycles. In standard mode at 100 kHz, this results in a 100us timeout."]
139    _80PCC = 2,
140    #[doc = "3: Timeout after 160 prescaled clock cycles. In standard mode at 100 kHz, this results in a 200us timeout."]
141    _160PCC = 3,
142}
143impl From<BITO_A> for u8 {
144    #[inline(always)]
145    fn from(variant: BITO_A) -> Self {
146        variant as _
147    }
148}
149#[doc = "Field `BITO` reader - Bus Idle Timeout"]
150pub type BITO_R = crate::FieldReader<u8, BITO_A>;
151impl BITO_R {
152    #[doc = "Get enumerated values variant"]
153    #[inline(always)]
154    pub fn variant(&self) -> BITO_A {
155        match self.bits {
156            0 => BITO_A::OFF,
157            1 => BITO_A::_40PCC,
158            2 => BITO_A::_80PCC,
159            3 => BITO_A::_160PCC,
160            _ => unreachable!(),
161        }
162    }
163    #[doc = "Checks if the value of the field is `OFF`"]
164    #[inline(always)]
165    pub fn is_off(&self) -> bool {
166        *self == BITO_A::OFF
167    }
168    #[doc = "Checks if the value of the field is `_40PCC`"]
169    #[inline(always)]
170    pub fn is_40pcc(&self) -> bool {
171        *self == BITO_A::_40PCC
172    }
173    #[doc = "Checks if the value of the field is `_80PCC`"]
174    #[inline(always)]
175    pub fn is_80pcc(&self) -> bool {
176        *self == BITO_A::_80PCC
177    }
178    #[doc = "Checks if the value of the field is `_160PCC`"]
179    #[inline(always)]
180    pub fn is_160pcc(&self) -> bool {
181        *self == BITO_A::_160PCC
182    }
183}
184#[doc = "Field `BITO` writer - Bus Idle Timeout"]
185pub type BITO_W<'a> = crate::FieldWriterSafe<'a, u32, CTRL_SPEC, u8, BITO_A, 2, 12>;
186impl<'a> BITO_W<'a> {
187    #[doc = "Timeout disabled"]
188    #[inline(always)]
189    pub fn off(self) -> &'a mut W {
190        self.variant(BITO_A::OFF)
191    }
192    #[doc = "Timeout after 40 prescaled clock cycles. In standard mode at 100 kHz, this results in a 50us timeout."]
193    #[inline(always)]
194    pub fn _40pcc(self) -> &'a mut W {
195        self.variant(BITO_A::_40PCC)
196    }
197    #[doc = "Timeout after 80 prescaled clock cycles. In standard mode at 100 kHz, this results in a 100us timeout."]
198    #[inline(always)]
199    pub fn _80pcc(self) -> &'a mut W {
200        self.variant(BITO_A::_80PCC)
201    }
202    #[doc = "Timeout after 160 prescaled clock cycles. In standard mode at 100 kHz, this results in a 200us timeout."]
203    #[inline(always)]
204    pub fn _160pcc(self) -> &'a mut W {
205        self.variant(BITO_A::_160PCC)
206    }
207}
208#[doc = "Field `GIBITO` reader - Go Idle on Bus Idle Timeout"]
209pub type GIBITO_R = crate::BitReader<bool>;
210#[doc = "Field `GIBITO` writer - Go Idle on Bus Idle Timeout"]
211pub type GIBITO_W<'a> = crate::BitWriter<'a, u32, CTRL_SPEC, bool, 15>;
212#[doc = "Clock Low Timeout\n\nValue on reset: 0"]
213#[derive(Clone, Copy, Debug, PartialEq)]
214#[repr(u8)]
215pub enum CLTO_A {
216    #[doc = "0: Timeout disabled"]
217    OFF = 0,
218    #[doc = "1: Timeout after 40 prescaled clock cycles. In standard mode at 100 kHz, this results in a 50us timeout."]
219    _40PCC = 1,
220    #[doc = "2: Timeout after 80 prescaled clock cycles. In standard mode at 100 kHz, this results in a 100us timeout."]
221    _80PCC = 2,
222    #[doc = "3: Timeout after 160 prescaled clock cycles. In standard mode at 100 kHz, this results in a 200us timeout."]
223    _160PCC = 3,
224    #[doc = "4: Timeout after 320 prescaled clock cycles. In standard mode at 100 kHz, this results in a 400us timeout."]
225    _320PPC = 4,
226    #[doc = "5: Timeout after 1024 prescaled clock cycles. In standard mode at 100 kHz, this results in a 1280us timeout."]
227    _1024PPC = 5,
228}
229impl From<CLTO_A> for u8 {
230    #[inline(always)]
231    fn from(variant: CLTO_A) -> Self {
232        variant as _
233    }
234}
235#[doc = "Field `CLTO` reader - Clock Low Timeout"]
236pub type CLTO_R = crate::FieldReader<u8, CLTO_A>;
237impl CLTO_R {
238    #[doc = "Get enumerated values variant"]
239    #[inline(always)]
240    pub fn variant(&self) -> Option<CLTO_A> {
241        match self.bits {
242            0 => Some(CLTO_A::OFF),
243            1 => Some(CLTO_A::_40PCC),
244            2 => Some(CLTO_A::_80PCC),
245            3 => Some(CLTO_A::_160PCC),
246            4 => Some(CLTO_A::_320PPC),
247            5 => Some(CLTO_A::_1024PPC),
248            _ => None,
249        }
250    }
251    #[doc = "Checks if the value of the field is `OFF`"]
252    #[inline(always)]
253    pub fn is_off(&self) -> bool {
254        *self == CLTO_A::OFF
255    }
256    #[doc = "Checks if the value of the field is `_40PCC`"]
257    #[inline(always)]
258    pub fn is_40pcc(&self) -> bool {
259        *self == CLTO_A::_40PCC
260    }
261    #[doc = "Checks if the value of the field is `_80PCC`"]
262    #[inline(always)]
263    pub fn is_80pcc(&self) -> bool {
264        *self == CLTO_A::_80PCC
265    }
266    #[doc = "Checks if the value of the field is `_160PCC`"]
267    #[inline(always)]
268    pub fn is_160pcc(&self) -> bool {
269        *self == CLTO_A::_160PCC
270    }
271    #[doc = "Checks if the value of the field is `_320PPC`"]
272    #[inline(always)]
273    pub fn is_320ppc(&self) -> bool {
274        *self == CLTO_A::_320PPC
275    }
276    #[doc = "Checks if the value of the field is `_1024PPC`"]
277    #[inline(always)]
278    pub fn is_1024ppc(&self) -> bool {
279        *self == CLTO_A::_1024PPC
280    }
281}
282#[doc = "Field `CLTO` writer - Clock Low Timeout"]
283pub type CLTO_W<'a> = crate::FieldWriter<'a, u32, CTRL_SPEC, u8, CLTO_A, 3, 16>;
284impl<'a> CLTO_W<'a> {
285    #[doc = "Timeout disabled"]
286    #[inline(always)]
287    pub fn off(self) -> &'a mut W {
288        self.variant(CLTO_A::OFF)
289    }
290    #[doc = "Timeout after 40 prescaled clock cycles. In standard mode at 100 kHz, this results in a 50us timeout."]
291    #[inline(always)]
292    pub fn _40pcc(self) -> &'a mut W {
293        self.variant(CLTO_A::_40PCC)
294    }
295    #[doc = "Timeout after 80 prescaled clock cycles. In standard mode at 100 kHz, this results in a 100us timeout."]
296    #[inline(always)]
297    pub fn _80pcc(self) -> &'a mut W {
298        self.variant(CLTO_A::_80PCC)
299    }
300    #[doc = "Timeout after 160 prescaled clock cycles. In standard mode at 100 kHz, this results in a 200us timeout."]
301    #[inline(always)]
302    pub fn _160pcc(self) -> &'a mut W {
303        self.variant(CLTO_A::_160PCC)
304    }
305    #[doc = "Timeout after 320 prescaled clock cycles. In standard mode at 100 kHz, this results in a 400us timeout."]
306    #[inline(always)]
307    pub fn _320ppc(self) -> &'a mut W {
308        self.variant(CLTO_A::_320PPC)
309    }
310    #[doc = "Timeout after 1024 prescaled clock cycles. In standard mode at 100 kHz, this results in a 1280us timeout."]
311    #[inline(always)]
312    pub fn _1024ppc(self) -> &'a mut W {
313        self.variant(CLTO_A::_1024PPC)
314    }
315}
316impl R {
317    #[doc = "Bit 0 - I2C Enable"]
318    #[inline(always)]
319    pub fn en(&self) -> EN_R {
320        EN_R::new((self.bits & 1) != 0)
321    }
322    #[doc = "Bit 1 - Addressable as Slave"]
323    #[inline(always)]
324    pub fn slave(&self) -> SLAVE_R {
325        SLAVE_R::new(((self.bits >> 1) & 1) != 0)
326    }
327    #[doc = "Bit 2 - Automatic Acknowledge"]
328    #[inline(always)]
329    pub fn autoack(&self) -> AUTOACK_R {
330        AUTOACK_R::new(((self.bits >> 2) & 1) != 0)
331    }
332    #[doc = "Bit 3 - Automatic STOP when Empty"]
333    #[inline(always)]
334    pub fn autose(&self) -> AUTOSE_R {
335        AUTOSE_R::new(((self.bits >> 3) & 1) != 0)
336    }
337    #[doc = "Bit 4 - Automatic STOP on NACK"]
338    #[inline(always)]
339    pub fn autosn(&self) -> AUTOSN_R {
340        AUTOSN_R::new(((self.bits >> 4) & 1) != 0)
341    }
342    #[doc = "Bit 5 - Arbitration Disable"]
343    #[inline(always)]
344    pub fn arbdis(&self) -> ARBDIS_R {
345        ARBDIS_R::new(((self.bits >> 5) & 1) != 0)
346    }
347    #[doc = "Bit 6 - General Call Address Match Enable"]
348    #[inline(always)]
349    pub fn gcamen(&self) -> GCAMEN_R {
350        GCAMEN_R::new(((self.bits >> 6) & 1) != 0)
351    }
352    #[doc = "Bits 8:9 - Clock Low High Ratio"]
353    #[inline(always)]
354    pub fn clhr(&self) -> CLHR_R {
355        CLHR_R::new(((self.bits >> 8) & 3) as u8)
356    }
357    #[doc = "Bits 12:13 - Bus Idle Timeout"]
358    #[inline(always)]
359    pub fn bito(&self) -> BITO_R {
360        BITO_R::new(((self.bits >> 12) & 3) as u8)
361    }
362    #[doc = "Bit 15 - Go Idle on Bus Idle Timeout"]
363    #[inline(always)]
364    pub fn gibito(&self) -> GIBITO_R {
365        GIBITO_R::new(((self.bits >> 15) & 1) != 0)
366    }
367    #[doc = "Bits 16:18 - Clock Low Timeout"]
368    #[inline(always)]
369    pub fn clto(&self) -> CLTO_R {
370        CLTO_R::new(((self.bits >> 16) & 7) as u8)
371    }
372}
373impl W {
374    #[doc = "Bit 0 - I2C Enable"]
375    #[inline(always)]
376    pub fn en(&mut self) -> EN_W {
377        EN_W::new(self)
378    }
379    #[doc = "Bit 1 - Addressable as Slave"]
380    #[inline(always)]
381    pub fn slave(&mut self) -> SLAVE_W {
382        SLAVE_W::new(self)
383    }
384    #[doc = "Bit 2 - Automatic Acknowledge"]
385    #[inline(always)]
386    pub fn autoack(&mut self) -> AUTOACK_W {
387        AUTOACK_W::new(self)
388    }
389    #[doc = "Bit 3 - Automatic STOP when Empty"]
390    #[inline(always)]
391    pub fn autose(&mut self) -> AUTOSE_W {
392        AUTOSE_W::new(self)
393    }
394    #[doc = "Bit 4 - Automatic STOP on NACK"]
395    #[inline(always)]
396    pub fn autosn(&mut self) -> AUTOSN_W {
397        AUTOSN_W::new(self)
398    }
399    #[doc = "Bit 5 - Arbitration Disable"]
400    #[inline(always)]
401    pub fn arbdis(&mut self) -> ARBDIS_W {
402        ARBDIS_W::new(self)
403    }
404    #[doc = "Bit 6 - General Call Address Match Enable"]
405    #[inline(always)]
406    pub fn gcamen(&mut self) -> GCAMEN_W {
407        GCAMEN_W::new(self)
408    }
409    #[doc = "Bits 8:9 - Clock Low High Ratio"]
410    #[inline(always)]
411    pub fn clhr(&mut self) -> CLHR_W {
412        CLHR_W::new(self)
413    }
414    #[doc = "Bits 12:13 - Bus Idle Timeout"]
415    #[inline(always)]
416    pub fn bito(&mut self) -> BITO_W {
417        BITO_W::new(self)
418    }
419    #[doc = "Bit 15 - Go Idle on Bus Idle Timeout"]
420    #[inline(always)]
421    pub fn gibito(&mut self) -> GIBITO_W {
422        GIBITO_W::new(self)
423    }
424    #[doc = "Bits 16:18 - Clock Low Timeout"]
425    #[inline(always)]
426    pub fn clto(&mut self) -> CLTO_W {
427        CLTO_W::new(self)
428    }
429    #[doc = "Writes raw bits to the register."]
430    #[inline(always)]
431    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
432        self.0.bits(bits);
433        self
434    }
435}
436#[doc = "Control Register\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 [ctrl](index.html) module"]
437pub struct CTRL_SPEC;
438impl crate::RegisterSpec for CTRL_SPEC {
439    type Ux = u32;
440}
441#[doc = "`read()` method returns [ctrl::R](R) reader structure"]
442impl crate::Readable for CTRL_SPEC {
443    type Reader = R;
444}
445#[doc = "`write(|w| ..)` method takes [ctrl::W](W) writer structure"]
446impl crate::Writable for CTRL_SPEC {
447    type Writer = W;
448}
449#[doc = "`reset()` method sets CTRL to value 0"]
450impl crate::Resettable for CTRL_SPEC {
451    #[inline(always)]
452    fn reset_value() -> Self::Ux {
453        0
454    }
455}
efm32g230_pac/i2c0/ctrl.rs

efm32g230_pac/i2c0/
ctrl.rs
