#[doc = "Register `CURR` reader"]
pub struct R(crate::R<CURR_SPEC>);
impl core::ops::Deref for R {
type Target = crate::R<CURR_SPEC>;
#[inline(always)]
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl From<crate::R<CURR_SPEC>> for R {
#[inline(always)]
fn from(reader: crate::R<CURR_SPEC>) -> Self {
R(reader)
}
}
#[doc = "Register `CURR` writer"]
pub struct W(crate::W<CURR_SPEC>);
impl core::ops::Deref for W {
type Target = crate::W<CURR_SPEC>;
#[inline(always)]
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl core::ops::DerefMut for W {
#[inline(always)]
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
impl From<crate::W<CURR_SPEC>> for W {
#[inline(always)]
fn from(writer: crate::W<CURR_SPEC>) -> Self {
W(writer)
}
}
#[doc = "Field `PTR` reader - Address of current descriptor. When this field is '0', there is no valid descriptor. Note: HW updates the current descriptor pointer CH_CURR_PTR with DESCR_NEXT_PTR after execution of the current descriptor. Note: When this field is '0', and the DMAC and the channel are enabled, and the channel is triggered, then this will raise the CURR_PTR_NULL interrupt, and initiate the disabling of the channel. If this field is changed to a value different from '0' afterwards, then the channel may start to fetch the descriptor before finally being disabled, and the ISR will find this field not being '0' although the CURR_PTR_NULL interrupt has been raised."]
pub type PTR_R = crate::FieldReader<u32, u32>;
#[doc = "Field `PTR` writer - Address of current descriptor. When this field is '0', there is no valid descriptor. Note: HW updates the current descriptor pointer CH_CURR_PTR with DESCR_NEXT_PTR after execution of the current descriptor. Note: When this field is '0', and the DMAC and the channel are enabled, and the channel is triggered, then this will raise the CURR_PTR_NULL interrupt, and initiate the disabling of the channel. If this field is changed to a value different from '0' afterwards, then the channel may start to fetch the descriptor before finally being disabled, and the ISR will find this field not being '0' although the CURR_PTR_NULL interrupt has been raised."]
pub type PTR_W<'a, const O: u8> = crate::FieldWriter<'a, u32, CURR_SPEC, u32, u32, 29, O>;
impl R {
#[doc = "Bits 3:31 - Address of current descriptor. When this field is '0', there is no valid descriptor. Note: HW updates the current descriptor pointer CH_CURR_PTR with DESCR_NEXT_PTR after execution of the current descriptor. Note: When this field is '0', and the DMAC and the channel are enabled, and the channel is triggered, then this will raise the CURR_PTR_NULL interrupt, and initiate the disabling of the channel. If this field is changed to a value different from '0' afterwards, then the channel may start to fetch the descriptor before finally being disabled, and the ISR will find this field not being '0' although the CURR_PTR_NULL interrupt has been raised."]
#[inline(always)]
pub fn ptr(&self) -> PTR_R {
PTR_R::new((self.bits >> 3) & 0x1fff_ffff)
}
}
impl W {
#[doc = "Bits 3:31 - Address of current descriptor. When this field is '0', there is no valid descriptor. Note: HW updates the current descriptor pointer CH_CURR_PTR with DESCR_NEXT_PTR after execution of the current descriptor. Note: When this field is '0', and the DMAC and the channel are enabled, and the channel is triggered, then this will raise the CURR_PTR_NULL interrupt, and initiate the disabling of the channel. If this field is changed to a value different from '0' afterwards, then the channel may start to fetch the descriptor before finally being disabled, and the ISR will find this field not being '0' although the CURR_PTR_NULL interrupt has been raised."]
#[inline(always)]
#[must_use]
pub fn ptr(&mut self) -> PTR_W<3> {
PTR_W::new(self)
}
#[doc = "Writes raw bits to the register."]
#[inline(always)]
pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
self.0.bits(bits);
self
}
}
#[doc = "Channel current descriptor pointer\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 [curr](index.html) module"]
pub struct CURR_SPEC;
impl crate::RegisterSpec for CURR_SPEC {
type Ux = u32;
}
#[doc = "`read()` method returns [curr::R](R) reader structure"]
impl crate::Readable for CURR_SPEC {
type Reader = R;
}
#[doc = "`write(|w| ..)` method takes [curr::W](W) writer structure"]
impl crate::Writable for CURR_SPEC {
type Writer = W;
const ZERO_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
const ONE_TO_MODIFY_FIELDS_BITMAP: Self::Ux = 0;
}
#[doc = "`reset()` method sets CURR to value 0"]
impl crate::Resettable for CURR_SPEC {
const RESET_VALUE: Self::Ux = 0;
}