rp2040_pac/pwm/ch/
csr.rs
1#[doc = "Register `CSR` reader"]
2pub type R = crate::R<CSR_SPEC>;
3#[doc = "Register `CSR` writer"]
4pub type W = crate::W<CSR_SPEC>;
5#[doc = "Field `EN` reader - Enable the PWM channel."]
6pub type EN_R = crate::BitReader;
7#[doc = "Field `EN` writer - Enable the PWM channel."]
8pub type EN_W<'a, REG> = crate::BitWriter<'a, REG>;
9#[doc = "Field `PH_CORRECT` reader - 1: Enable phase-correct modulation. 0: Trailing-edge"]
10pub type PH_CORRECT_R = crate::BitReader;
11#[doc = "Field `PH_CORRECT` writer - 1: Enable phase-correct modulation. 0: Trailing-edge"]
12pub type PH_CORRECT_W<'a, REG> = crate::BitWriter<'a, REG>;
13#[doc = "Field `A_INV` reader - Invert output A"]
14pub type A_INV_R = crate::BitReader;
15#[doc = "Field `A_INV` writer - Invert output A"]
16pub type A_INV_W<'a, REG> = crate::BitWriter<'a, REG>;
17#[doc = "Field `B_INV` reader - Invert output B"]
18pub type B_INV_R = crate::BitReader;
19#[doc = "Field `B_INV` writer - Invert output B"]
20pub type B_INV_W<'a, REG> = crate::BitWriter<'a, REG>;
21#[doc = "Field `DIVMODE` reader - "]
22pub type DIVMODE_R = crate::FieldReader<DIVMODE_A>;
23#[doc = "
24
25Value on reset: 0"]
26#[derive(Clone, Copy, Debug, PartialEq, Eq)]
27#[repr(u8)]
28pub enum DIVMODE_A {
29 #[doc = "0: Free-running counting at rate dictated by fractional divider"]
30 DIV = 0,
31 #[doc = "1: Fractional divider operation is gated by the PWM B pin."]
32 LEVEL = 1,
33 #[doc = "2: Counter advances with each rising edge of the PWM B pin."]
34 RISE = 2,
35 #[doc = "3: Counter advances with each falling edge of the PWM B pin."]
36 FALL = 3,
37}
38impl From<DIVMODE_A> for u8 {
39 #[inline(always)]
40 fn from(variant: DIVMODE_A) -> Self {
41 variant as _
42 }
43}
44impl crate::FieldSpec for DIVMODE_A {
45 type Ux = u8;
46}
47impl DIVMODE_R {
48 #[doc = "Get enumerated values variant"]
49 #[inline(always)]
50 pub const fn variant(&self) -> DIVMODE_A {
51 match self.bits {
52 0 => DIVMODE_A::DIV,
53 1 => DIVMODE_A::LEVEL,
54 2 => DIVMODE_A::RISE,
55 3 => DIVMODE_A::FALL,
56 _ => unreachable!(),
57 }
58 }
59 #[doc = "Free-running counting at rate dictated by fractional divider"]
60 #[inline(always)]
61 pub fn is_div(&self) -> bool {
62 *self == DIVMODE_A::DIV
63 }
64 #[doc = "Fractional divider operation is gated by the PWM B pin."]
65 #[inline(always)]
66 pub fn is_level(&self) -> bool {
67 *self == DIVMODE_A::LEVEL
68 }
69 #[doc = "Counter advances with each rising edge of the PWM B pin."]
70 #[inline(always)]
71 pub fn is_rise(&self) -> bool {
72 *self == DIVMODE_A::RISE
73 }
74 #[doc = "Counter advances with each falling edge of the PWM B pin."]
75 #[inline(always)]
76 pub fn is_fall(&self) -> bool {
77 *self == DIVMODE_A::FALL
78 }
79}
80#[doc = "Field `DIVMODE` writer - "]
81pub type DIVMODE_W<'a, REG> = crate::FieldWriterSafe<'a, REG, 2, DIVMODE_A>;
82impl<'a, REG> DIVMODE_W<'a, REG>
83where
84 REG: crate::Writable + crate::RegisterSpec,
85 REG::Ux: From<u8>,
86{
87 #[doc = "Free-running counting at rate dictated by fractional divider"]
88 #[inline(always)]
89 pub fn div(self) -> &'a mut crate::W<REG> {
90 self.variant(DIVMODE_A::DIV)
91 }
92 #[doc = "Fractional divider operation is gated by the PWM B pin."]
93 #[inline(always)]
94 pub fn level(self) -> &'a mut crate::W<REG> {
95 self.variant(DIVMODE_A::LEVEL)
96 }
97 #[doc = "Counter advances with each rising edge of the PWM B pin."]
98 #[inline(always)]
99 pub fn rise(self) -> &'a mut crate::W<REG> {
100 self.variant(DIVMODE_A::RISE)
101 }
102 #[doc = "Counter advances with each falling edge of the PWM B pin."]
103 #[inline(always)]
104 pub fn fall(self) -> &'a mut crate::W<REG> {
105 self.variant(DIVMODE_A::FALL)
106 }
107}
108#[doc = "Field `PH_RET` reader - Retard the phase of the counter by 1 count, while it is running.
109 Self-clearing. Write a 1, and poll until low. Counter must be running."]
110pub type PH_RET_R = crate::BitReader;
111#[doc = "Field `PH_RET` writer - Retard the phase of the counter by 1 count, while it is running.
112 Self-clearing. Write a 1, and poll until low. Counter must be running."]
113pub type PH_RET_W<'a, REG> = crate::BitWriter<'a, REG>;
114#[doc = "Field `PH_ADV` reader - Advance the phase of the counter by 1 count, while it is running.
115 Self-clearing. Write a 1, and poll until low. Counter must be running
116 at less than full speed (div_int + div_frac / 16 > 1)"]
117pub type PH_ADV_R = crate::BitReader;
118#[doc = "Field `PH_ADV` writer - Advance the phase of the counter by 1 count, while it is running.
119 Self-clearing. Write a 1, and poll until low. Counter must be running
120 at less than full speed (div_int + div_frac / 16 > 1)"]
121pub type PH_ADV_W<'a, REG> = crate::BitWriter<'a, REG>;
122impl R {
123 #[doc = "Bit 0 - Enable the PWM channel."]
124 #[inline(always)]
125 pub fn en(&self) -> EN_R {
126 EN_R::new((self.bits & 1) != 0)
127 }
128 #[doc = "Bit 1 - 1: Enable phase-correct modulation. 0: Trailing-edge"]
129 #[inline(always)]
130 pub fn ph_correct(&self) -> PH_CORRECT_R {
131 PH_CORRECT_R::new(((self.bits >> 1) & 1) != 0)
132 }
133 #[doc = "Bit 2 - Invert output A"]
134 #[inline(always)]
135 pub fn a_inv(&self) -> A_INV_R {
136 A_INV_R::new(((self.bits >> 2) & 1) != 0)
137 }
138 #[doc = "Bit 3 - Invert output B"]
139 #[inline(always)]
140 pub fn b_inv(&self) -> B_INV_R {
141 B_INV_R::new(((self.bits >> 3) & 1) != 0)
142 }
143 #[doc = "Bits 4:5"]
144 #[inline(always)]
145 pub fn divmode(&self) -> DIVMODE_R {
146 DIVMODE_R::new(((self.bits >> 4) & 3) as u8)
147 }
148 #[doc = "Bit 6 - Retard the phase of the counter by 1 count, while it is running.
149 Self-clearing. Write a 1, and poll until low. Counter must be running."]
150 #[inline(always)]
151 pub fn ph_ret(&self) -> PH_RET_R {
152 PH_RET_R::new(((self.bits >> 6) & 1) != 0)
153 }
154 #[doc = "Bit 7 - Advance the phase of the counter by 1 count, while it is running.
155 Self-clearing. Write a 1, and poll until low. Counter must be running
156 at less than full speed (div_int + div_frac / 16 > 1)"]
157 #[inline(always)]
158 pub fn ph_adv(&self) -> PH_ADV_R {
159 PH_ADV_R::new(((self.bits >> 7) & 1) != 0)
160 }
161}
162impl W {
163 #[doc = "Bit 0 - Enable the PWM channel."]
164 #[inline(always)]
165 #[must_use]
166 pub fn en(&mut self) -> EN_W<CSR_SPEC> {
167 EN_W::new(self, 0)
168 }
169 #[doc = "Bit 1 - 1: Enable phase-correct modulation. 0: Trailing-edge"]
170 #[inline(always)]
171 #[must_use]
172 pub fn ph_correct(&mut self) -> PH_CORRECT_W<CSR_SPEC> {
173 PH_CORRECT_W::new(self, 1)
174 }
175 #[doc = "Bit 2 - Invert output A"]
176 #[inline(always)]
177 #[must_use]
178 pub fn a_inv(&mut self) -> A_INV_W<CSR_SPEC> {
179 A_INV_W::new(self, 2)
180 }
181 #[doc = "Bit 3 - Invert output B"]
182 #[inline(always)]
183 #[must_use]
184 pub fn b_inv(&mut self) -> B_INV_W<CSR_SPEC> {
185 B_INV_W::new(self, 3)
186 }
187 #[doc = "Bits 4:5"]
188 #[inline(always)]
189 #[must_use]
190 pub fn divmode(&mut self) -> DIVMODE_W<CSR_SPEC> {
191 DIVMODE_W::new(self, 4)
192 }
193 #[doc = "Bit 6 - Retard the phase of the counter by 1 count, while it is running.
194 Self-clearing. Write a 1, and poll until low. Counter must be running."]
195 #[inline(always)]
196 #[must_use]
197 pub fn ph_ret(&mut self) -> PH_RET_W<CSR_SPEC> {
198 PH_RET_W::new(self, 6)
199 }
200 #[doc = "Bit 7 - Advance the phase of the counter by 1 count, while it is running.
201 Self-clearing. Write a 1, and poll until low. Counter must be running
202 at less than full speed (div_int + div_frac / 16 > 1)"]
203 #[inline(always)]
204 #[must_use]
205 pub fn ph_adv(&mut self) -> PH_ADV_W<CSR_SPEC> {
206 PH_ADV_W::new(self, 7)
207 }
208 #[doc = r" Writes raw bits to the register."]
209 #[doc = r""]
210 #[doc = r" # Safety"]
211 #[doc = r""]
212 #[doc = r" Passing incorrect value can cause undefined behaviour. See reference manual"]
213 #[inline(always)]
214 pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
215 self.bits = bits;
216 self
217 }
218}
219#[doc = "Control and status register
220
221You can [`read`](crate::generic::Reg::read) this register and get [`csr::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 [`csr::W`](W). You can also [`modify`](crate::generic::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
222pub struct CSR_SPEC;
223impl crate::RegisterSpec for CSR_SPEC {
224 type Ux = u32;
225}
226#[doc = "`read()` method returns [`csr::R`](R) reader structure"]
227impl crate::Readable for CSR_SPEC {}
228#[doc = "`write(|w| ..)` method takes [`csr::W`](W) writer structure"]
229impl crate::Writable for CSR_SPEC {
230 const ZERO_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
231 const ONE_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
232}
233#[doc = "`reset()` method sets CSR to value 0"]
234impl crate::Resettable for CSR_SPEC {
235 const RESET_VALUE: u32 = 0;
236}