rp2040_pac/ppb/
syst_rvr.rs

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1#[doc = "Register `SYST_RVR` reader"]
2pub type R = crate::R<SYST_RVR_SPEC>;
3#[doc = "Register `SYST_RVR` writer"]
4pub type W = crate::W<SYST_RVR_SPEC>;
5#[doc = "Field `RELOAD` reader - Value to load into the SysTick Current Value Register when the counter reaches 0."]
6pub type RELOAD_R = crate::FieldReader<u32>;
7#[doc = "Field `RELOAD` writer - Value to load into the SysTick Current Value Register when the counter reaches 0."]
8pub type RELOAD_W<'a, REG> = crate::FieldWriter<'a, REG, 24, u32>;
9impl R {
10    #[doc = "Bits 0:23 - Value to load into the SysTick Current Value Register when the counter reaches 0."]
11    #[inline(always)]
12    pub fn reload(&self) -> RELOAD_R {
13        RELOAD_R::new(self.bits & 0x00ff_ffff)
14    }
15}
16impl W {
17    #[doc = "Bits 0:23 - Value to load into the SysTick Current Value Register when the counter reaches 0."]
18    #[inline(always)]
19    #[must_use]
20    pub fn reload(&mut self) -> RELOAD_W<SYST_RVR_SPEC> {
21        RELOAD_W::new(self, 0)
22    }
23    #[doc = r" Writes raw bits to the register."]
24    #[doc = r""]
25    #[doc = r" # Safety"]
26    #[doc = r""]
27    #[doc = r" Passing incorrect value can cause undefined behaviour. See reference manual"]
28    #[inline(always)]
29    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
30        self.bits = bits;
31        self
32    }
33}
34#[doc = "Use the SysTick Reload Value Register to specify the start value to load into the current value register when the counter reaches 0. It can be any value between 0 and 0x00FFFFFF. A start value of 0 is possible, but has no effect because the SysTick interrupt and COUNTFLAG are activated when counting from 1 to 0. The reset value of this register is UNKNOWN.  
35 To generate a multi-shot timer with a period of N processor clock cycles, use a RELOAD value of N-1. For example, if the SysTick interrupt is required every 100 clock pulses, set RELOAD to 99.  
36
37You can [`read`](crate::generic::Reg::read) this register and get [`syst_rvr::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 [`syst_rvr::W`](W). You can also [`modify`](crate::generic::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
38pub struct SYST_RVR_SPEC;
39impl crate::RegisterSpec for SYST_RVR_SPEC {
40    type Ux = u32;
41}
42#[doc = "`read()` method returns [`syst_rvr::R`](R) reader structure"]
43impl crate::Readable for SYST_RVR_SPEC {}
44#[doc = "`write(|w| ..)` method takes [`syst_rvr::W`](W) writer structure"]
45impl crate::Writable for SYST_RVR_SPEC {
46    const ZERO_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
47    const ONE_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
48}
49#[doc = "`reset()` method sets SYST_RVR to value 0"]
50impl crate::Resettable for SYST_RVR_SPEC {
51    const RESET_VALUE: u32 = 0;
52}
rp2040_pac/ppb/syst_rvr.rs

rp2040_pac/ppb/
syst_rvr.rs
