rp2040_pac/xosc/
startup.rs

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1#[doc = "Register `STARTUP` reader"]
2pub type R = crate::R<STARTUP_SPEC>;
3#[doc = "Register `STARTUP` writer"]
4pub type W = crate::W<STARTUP_SPEC>;
5#[doc = "Field `DELAY` reader - in multiples of 256*xtal_period. The reset value of 0xc4 corresponds to approx 50 000 cycles."]
6pub type DELAY_R = crate::FieldReader<u16>;
7#[doc = "Field `DELAY` writer - in multiples of 256*xtal_period. The reset value of 0xc4 corresponds to approx 50 000 cycles."]
8pub type DELAY_W<'a, REG> = crate::FieldWriter<'a, REG, 14, u16>;
9#[doc = "Field `X4` reader - Multiplies the startup_delay by 4. This is of little value to the user given that the delay can be programmed directly."]
10pub type X4_R = crate::BitReader;
11#[doc = "Field `X4` writer - Multiplies the startup_delay by 4. This is of little value to the user given that the delay can be programmed directly."]
12pub type X4_W<'a, REG> = crate::BitWriter<'a, REG>;
13impl R {
14    #[doc = "Bits 0:13 - in multiples of 256*xtal_period. The reset value of 0xc4 corresponds to approx 50 000 cycles."]
15    #[inline(always)]
16    pub fn delay(&self) -> DELAY_R {
17        DELAY_R::new((self.bits & 0x3fff) as u16)
18    }
19    #[doc = "Bit 20 - Multiplies the startup_delay by 4. This is of little value to the user given that the delay can be programmed directly."]
20    #[inline(always)]
21    pub fn x4(&self) -> X4_R {
22        X4_R::new(((self.bits >> 20) & 1) != 0)
23    }
24}
25impl W {
26    #[doc = "Bits 0:13 - in multiples of 256*xtal_period. The reset value of 0xc4 corresponds to approx 50 000 cycles."]
27    #[inline(always)]
28    #[must_use]
29    pub fn delay(&mut self) -> DELAY_W<STARTUP_SPEC> {
30        DELAY_W::new(self, 0)
31    }
32    #[doc = "Bit 20 - Multiplies the startup_delay by 4. This is of little value to the user given that the delay can be programmed directly."]
33    #[inline(always)]
34    #[must_use]
35    pub fn x4(&mut self) -> X4_W<STARTUP_SPEC> {
36        X4_W::new(self, 20)
37    }
38    #[doc = r" Writes raw bits to the register."]
39    #[doc = r""]
40    #[doc = r" # Safety"]
41    #[doc = r""]
42    #[doc = r" Passing incorrect value can cause undefined behaviour. See reference manual"]
43    #[inline(always)]
44    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
45        self.bits = bits;
46        self
47    }
48}
49#[doc = "Controls the startup delay  
50
51You can [`read`](crate::generic::Reg::read) this register and get [`startup::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 [`startup::W`](W). You can also [`modify`](crate::generic::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
52pub struct STARTUP_SPEC;
53impl crate::RegisterSpec for STARTUP_SPEC {
54    type Ux = u32;
55}
56#[doc = "`read()` method returns [`startup::R`](R) reader structure"]
57impl crate::Readable for STARTUP_SPEC {}
58#[doc = "`write(|w| ..)` method takes [`startup::W`](W) writer structure"]
59impl crate::Writable for STARTUP_SPEC {
60    const ZERO_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
61    const ONE_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
62}
63#[doc = "`reset()` method sets STARTUP to value 0xc4"]
64impl crate::Resettable for STARTUP_SPEC {
65    const RESET_VALUE: u32 = 0xc4;
66}
rp2040_pac/xosc/startup.rs

rp2040_pac/xosc/
startup.rs
