#[doc = "Register `CTRLA0` reader"]
pub struct R(crate::R<CTRLA0_SPEC>);
impl core::ops::Deref for R {
type Target = crate::R<CTRLA0_SPEC>;
#[inline(always)]
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl From<crate::R<CTRLA0_SPEC>> for R {
#[inline(always)]
fn from(reader: crate::R<CTRLA0_SPEC>) -> Self {
R(reader)
}
}
#[doc = "Register `CTRLA0` writer"]
pub struct W(crate::W<CTRLA0_SPEC>);
impl core::ops::Deref for W {
type Target = crate::W<CTRLA0_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<CTRLA0_SPEC>> for W {
#[inline(always)]
fn from(writer: crate::W<CTRLA0_SPEC>) -> Self {
W(writer)
}
}
#[doc = "Field `BTSIZE` reader - Buffer Transfer Size"]
pub type BTSIZE_R = crate::FieldReader<u16, u16>;
#[doc = "Field `BTSIZE` writer - Buffer Transfer Size"]
pub type BTSIZE_W<'a, const O: u8> = crate::FieldWriter<'a, u32, CTRLA0_SPEC, u16, u16, 16, O>;
#[doc = "Field `SRC_WIDTH` reader - Transfer Width for the Source"]
pub type SRC_WIDTH_R = crate::FieldReader<u8, SRC_WIDTH_A>;
#[doc = "Transfer Width for the Source\n\nValue on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[repr(u8)]
pub enum SRC_WIDTH_A {
#[doc = "0: the transfer size is set to 8-bit width"]
BYTE = 0,
#[doc = "1: the transfer size is set to 16-bit width"]
HALF_WORD = 1,
#[doc = "2: the transfer size is set to 32-bit width"]
WORD = 2,
}
impl From<SRC_WIDTH_A> for u8 {
#[inline(always)]
fn from(variant: SRC_WIDTH_A) -> Self {
variant as _
}
}
impl SRC_WIDTH_R {
#[doc = "Get enumerated values variant"]
#[inline(always)]
pub fn variant(&self) -> Option<SRC_WIDTH_A> {
match self.bits {
0 => Some(SRC_WIDTH_A::BYTE),
1 => Some(SRC_WIDTH_A::HALF_WORD),
2 => Some(SRC_WIDTH_A::WORD),
_ => None,
}
}
#[doc = "Checks if the value of the field is `BYTE`"]
#[inline(always)]
pub fn is_byte(&self) -> bool {
*self == SRC_WIDTH_A::BYTE
}
#[doc = "Checks if the value of the field is `HALF_WORD`"]
#[inline(always)]
pub fn is_half_word(&self) -> bool {
*self == SRC_WIDTH_A::HALF_WORD
}
#[doc = "Checks if the value of the field is `WORD`"]
#[inline(always)]
pub fn is_word(&self) -> bool {
*self == SRC_WIDTH_A::WORD
}
}
#[doc = "Field `SRC_WIDTH` writer - Transfer Width for the Source"]
pub type SRC_WIDTH_W<'a, const O: u8> =
crate::FieldWriter<'a, u32, CTRLA0_SPEC, u8, SRC_WIDTH_A, 2, O>;
impl<'a, const O: u8> SRC_WIDTH_W<'a, O> {
#[doc = "the transfer size is set to 8-bit width"]
#[inline(always)]
pub fn byte(self) -> &'a mut W {
self.variant(SRC_WIDTH_A::BYTE)
}
#[doc = "the transfer size is set to 16-bit width"]
#[inline(always)]
pub fn half_word(self) -> &'a mut W {
self.variant(SRC_WIDTH_A::HALF_WORD)
}
#[doc = "the transfer size is set to 32-bit width"]
#[inline(always)]
pub fn word(self) -> &'a mut W {
self.variant(SRC_WIDTH_A::WORD)
}
}
#[doc = "Field `DST_WIDTH` reader - Transfer Width for the Destination"]
pub type DST_WIDTH_R = crate::FieldReader<u8, DST_WIDTH_A>;
#[doc = "Transfer Width for the Destination\n\nValue on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[repr(u8)]
pub enum DST_WIDTH_A {
#[doc = "0: the transfer size is set to 8-bit width"]
BYTE = 0,
#[doc = "1: the transfer size is set to 16-bit width"]
HALF_WORD = 1,
#[doc = "2: the transfer size is set to 32-bit width"]
WORD = 2,
}
impl From<DST_WIDTH_A> for u8 {
#[inline(always)]
fn from(variant: DST_WIDTH_A) -> Self {
variant as _
}
}
impl DST_WIDTH_R {
#[doc = "Get enumerated values variant"]
#[inline(always)]
pub fn variant(&self) -> Option<DST_WIDTH_A> {
match self.bits {
0 => Some(DST_WIDTH_A::BYTE),
1 => Some(DST_WIDTH_A::HALF_WORD),
2 => Some(DST_WIDTH_A::WORD),
_ => None,
}
}
#[doc = "Checks if the value of the field is `BYTE`"]
#[inline(always)]
pub fn is_byte(&self) -> bool {
*self == DST_WIDTH_A::BYTE
}
#[doc = "Checks if the value of the field is `HALF_WORD`"]
#[inline(always)]
pub fn is_half_word(&self) -> bool {
*self == DST_WIDTH_A::HALF_WORD
}
#[doc = "Checks if the value of the field is `WORD`"]
#[inline(always)]
pub fn is_word(&self) -> bool {
*self == DST_WIDTH_A::WORD
}
}
#[doc = "Field `DST_WIDTH` writer - Transfer Width for the Destination"]
pub type DST_WIDTH_W<'a, const O: u8> =
crate::FieldWriter<'a, u32, CTRLA0_SPEC, u8, DST_WIDTH_A, 2, O>;
impl<'a, const O: u8> DST_WIDTH_W<'a, O> {
#[doc = "the transfer size is set to 8-bit width"]
#[inline(always)]
pub fn byte(self) -> &'a mut W {
self.variant(DST_WIDTH_A::BYTE)
}
#[doc = "the transfer size is set to 16-bit width"]
#[inline(always)]
pub fn half_word(self) -> &'a mut W {
self.variant(DST_WIDTH_A::HALF_WORD)
}
#[doc = "the transfer size is set to 32-bit width"]
#[inline(always)]
pub fn word(self) -> &'a mut W {
self.variant(DST_WIDTH_A::WORD)
}
}
#[doc = "Field `DONE` reader - Current Descriptor Stop Command and Transfer Completed Memory Indicator"]
pub type DONE_R = crate::BitReader<bool>;
#[doc = "Field `DONE` writer - Current Descriptor Stop Command and Transfer Completed Memory Indicator"]
pub type DONE_W<'a, const O: u8> = crate::BitWriter<'a, u32, CTRLA0_SPEC, bool, O>;
impl R {
#[doc = "Bits 0:15 - Buffer Transfer Size"]
#[inline(always)]
pub fn btsize(&self) -> BTSIZE_R {
BTSIZE_R::new((self.bits & 0xffff) as u16)
}
#[doc = "Bits 24:25 - Transfer Width for the Source"]
#[inline(always)]
pub fn src_width(&self) -> SRC_WIDTH_R {
SRC_WIDTH_R::new(((self.bits >> 24) & 3) as u8)
}
#[doc = "Bits 28:29 - Transfer Width for the Destination"]
#[inline(always)]
pub fn dst_width(&self) -> DST_WIDTH_R {
DST_WIDTH_R::new(((self.bits >> 28) & 3) as u8)
}
#[doc = "Bit 31 - Current Descriptor Stop Command and Transfer Completed Memory Indicator"]
#[inline(always)]
pub fn done(&self) -> DONE_R {
DONE_R::new(((self.bits >> 31) & 1) != 0)
}
}
impl W {
#[doc = "Bits 0:15 - Buffer Transfer Size"]
#[inline(always)]
#[must_use]
pub fn btsize(&mut self) -> BTSIZE_W<0> {
BTSIZE_W::new(self)
}
#[doc = "Bits 24:25 - Transfer Width for the Source"]
#[inline(always)]
#[must_use]
pub fn src_width(&mut self) -> SRC_WIDTH_W<24> {
SRC_WIDTH_W::new(self)
}
#[doc = "Bits 28:29 - Transfer Width for the Destination"]
#[inline(always)]
#[must_use]
pub fn dst_width(&mut self) -> DST_WIDTH_W<28> {
DST_WIDTH_W::new(self)
}
#[doc = "Bit 31 - Current Descriptor Stop Command and Transfer Completed Memory Indicator"]
#[inline(always)]
#[must_use]
pub fn done(&mut self) -> DONE_W<31> {
DONE_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 = "DMAC Channel Control A Register (ch_num = 0)\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 [ctrla0](index.html) module"]
pub struct CTRLA0_SPEC;
impl crate::RegisterSpec for CTRLA0_SPEC {
type Ux = u32;
}
#[doc = "`read()` method returns [ctrla0::R](R) reader structure"]
impl crate::Readable for CTRLA0_SPEC {
type Reader = R;
}
#[doc = "`write(|w| ..)` method takes [ctrla0::W](W) writer structure"]
impl crate::Writable for CTRLA0_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 CTRLA0 to value 0"]
impl crate::Resettable for CTRLA0_SPEC {
const RESET_VALUE: Self::Ux = 0;
}