#[doc = "Register `SNIFF_CTRL` reader"]
pub type R = crate::R<SNIFF_CTRL_SPEC>;
#[doc = "Register `SNIFF_CTRL` writer"]
pub type W = crate::W<SNIFF_CTRL_SPEC>;
#[doc = "Field `EN` reader - Enable sniffer"]
pub type EN_R = crate::BitReader;
#[doc = "Field `EN` writer - Enable sniffer"]
pub type EN_W<'a, REG> = crate::BitWriter<'a, REG>;
#[doc = "Field `DMACH` reader - DMA channel for Sniffer to observe"]
pub type DMACH_R = crate::FieldReader;
#[doc = "Field `DMACH` writer - DMA channel for Sniffer to observe"]
pub type DMACH_W<'a, REG> = crate::FieldWriter<'a, REG, 4>;
#[doc = "Field `CALC` reader - "]
pub type CALC_R = crate::FieldReader<CALC_A>;
#[doc = "
Value on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[repr(u8)]
pub enum CALC_A {
#[doc = "0: Calculate a CRC-32 (IEEE802.3 polynomial)"]
CRC32 = 0,
#[doc = "1: Calculate a CRC-32 (IEEE802.3 polynomial) with bit reversed data"]
CRC32R = 1,
#[doc = "2: Calculate a CRC-16-CCITT"]
CRC16 = 2,
#[doc = "3: Calculate a CRC-16-CCITT with bit reversed data"]
CRC16R = 3,
#[doc = "14: XOR reduction over all data. == 1 if the total 1 population count is odd."]
EVEN = 14,
#[doc = "15: Calculate a simple 32-bit checksum (addition with a 32 bit accumulator)"]
SUM = 15,
}
impl From<CALC_A> for u8 {
#[inline(always)]
fn from(variant: CALC_A) -> Self {
variant as _
}
}
impl crate::FieldSpec for CALC_A {
type Ux = u8;
}
impl CALC_R {
#[doc = "Get enumerated values variant"]
#[inline(always)]
pub const fn variant(&self) -> Option<CALC_A> {
match self.bits {
0 => Some(CALC_A::CRC32),
1 => Some(CALC_A::CRC32R),
2 => Some(CALC_A::CRC16),
3 => Some(CALC_A::CRC16R),
14 => Some(CALC_A::EVEN),
15 => Some(CALC_A::SUM),
_ => None,
}
}
#[doc = "Calculate a CRC-32 (IEEE802.3 polynomial)"]
#[inline(always)]
pub fn is_crc32(&self) -> bool {
*self == CALC_A::CRC32
}
#[doc = "Calculate a CRC-32 (IEEE802.3 polynomial) with bit reversed data"]
#[inline(always)]
pub fn is_crc32r(&self) -> bool {
*self == CALC_A::CRC32R
}
#[doc = "Calculate a CRC-16-CCITT"]
#[inline(always)]
pub fn is_crc16(&self) -> bool {
*self == CALC_A::CRC16
}
#[doc = "Calculate a CRC-16-CCITT with bit reversed data"]
#[inline(always)]
pub fn is_crc16r(&self) -> bool {
*self == CALC_A::CRC16R
}
#[doc = "XOR reduction over all data. == 1 if the total 1 population count is odd."]
#[inline(always)]
pub fn is_even(&self) -> bool {
*self == CALC_A::EVEN
}
#[doc = "Calculate a simple 32-bit checksum (addition with a 32 bit accumulator)"]
#[inline(always)]
pub fn is_sum(&self) -> bool {
*self == CALC_A::SUM
}
}
#[doc = "Field `CALC` writer - "]
pub type CALC_W<'a, REG> = crate::FieldWriter<'a, REG, 4, CALC_A>;
impl<'a, REG> CALC_W<'a, REG>
where
REG: crate::Writable + crate::RegisterSpec,
REG::Ux: From<u8>,
{
#[doc = "Calculate a CRC-32 (IEEE802.3 polynomial)"]
#[inline(always)]
pub fn crc32(self) -> &'a mut crate::W<REG> {
self.variant(CALC_A::CRC32)
}
#[doc = "Calculate a CRC-32 (IEEE802.3 polynomial) with bit reversed data"]
#[inline(always)]
pub fn crc32r(self) -> &'a mut crate::W<REG> {
self.variant(CALC_A::CRC32R)
}
#[doc = "Calculate a CRC-16-CCITT"]
#[inline(always)]
pub fn crc16(self) -> &'a mut crate::W<REG> {
self.variant(CALC_A::CRC16)
}
#[doc = "Calculate a CRC-16-CCITT with bit reversed data"]
#[inline(always)]
pub fn crc16r(self) -> &'a mut crate::W<REG> {
self.variant(CALC_A::CRC16R)
}
#[doc = "XOR reduction over all data. == 1 if the total 1 population count is odd."]
#[inline(always)]
pub fn even(self) -> &'a mut crate::W<REG> {
self.variant(CALC_A::EVEN)
}
#[doc = "Calculate a simple 32-bit checksum (addition with a 32 bit accumulator)"]
#[inline(always)]
pub fn sum(self) -> &'a mut crate::W<REG> {
self.variant(CALC_A::SUM)
}
}
#[doc = "Field `BSWAP` reader - Locally perform a byte reverse on the sniffed data, before feeding into checksum.
Note that the sniff hardware is downstream of the DMA channel byteswap performed in the read master: if channel CTRL_BSWAP and SNIFF_CTRL_BSWAP are both enabled, their effects cancel from the sniffer's point of view."]
pub type BSWAP_R = crate::BitReader;
#[doc = "Field `BSWAP` writer - Locally perform a byte reverse on the sniffed data, before feeding into checksum.
Note that the sniff hardware is downstream of the DMA channel byteswap performed in the read master: if channel CTRL_BSWAP and SNIFF_CTRL_BSWAP are both enabled, their effects cancel from the sniffer's point of view."]
pub type BSWAP_W<'a, REG> = crate::BitWriter<'a, REG>;
#[doc = "Field `OUT_REV` reader - If set, the result appears bit-reversed when read. This does not affect the way the checksum is calculated; the result is transformed on-the-fly between the result register and the bus."]
pub type OUT_REV_R = crate::BitReader;
#[doc = "Field `OUT_REV` writer - If set, the result appears bit-reversed when read. This does not affect the way the checksum is calculated; the result is transformed on-the-fly between the result register and the bus."]
pub type OUT_REV_W<'a, REG> = crate::BitWriter<'a, REG>;
#[doc = "Field `OUT_INV` reader - If set, the result appears inverted (bitwise complement) when read. This does not affect the way the checksum is calculated; the result is transformed on-the-fly between the result register and the bus."]
pub type OUT_INV_R = crate::BitReader;
#[doc = "Field `OUT_INV` writer - If set, the result appears inverted (bitwise complement) when read. This does not affect the way the checksum is calculated; the result is transformed on-the-fly between the result register and the bus."]
pub type OUT_INV_W<'a, REG> = crate::BitWriter<'a, REG>;
impl R {
#[doc = "Bit 0 - Enable sniffer"]
#[inline(always)]
pub fn en(&self) -> EN_R {
EN_R::new((self.bits & 1) != 0)
}
#[doc = "Bits 1:4 - DMA channel for Sniffer to observe"]
#[inline(always)]
pub fn dmach(&self) -> DMACH_R {
DMACH_R::new(((self.bits >> 1) & 0x0f) as u8)
}
#[doc = "Bits 5:8"]
#[inline(always)]
pub fn calc(&self) -> CALC_R {
CALC_R::new(((self.bits >> 5) & 0x0f) as u8)
}
#[doc = "Bit 9 - Locally perform a byte reverse on the sniffed data, before feeding into checksum.
Note that the sniff hardware is downstream of the DMA channel byteswap performed in the read master: if channel CTRL_BSWAP and SNIFF_CTRL_BSWAP are both enabled, their effects cancel from the sniffer's point of view."]
#[inline(always)]
pub fn bswap(&self) -> BSWAP_R {
BSWAP_R::new(((self.bits >> 9) & 1) != 0)
}
#[doc = "Bit 10 - If set, the result appears bit-reversed when read. This does not affect the way the checksum is calculated; the result is transformed on-the-fly between the result register and the bus."]
#[inline(always)]
pub fn out_rev(&self) -> OUT_REV_R {
OUT_REV_R::new(((self.bits >> 10) & 1) != 0)
}
#[doc = "Bit 11 - If set, the result appears inverted (bitwise complement) when read. This does not affect the way the checksum is calculated; the result is transformed on-the-fly between the result register and the bus."]
#[inline(always)]
pub fn out_inv(&self) -> OUT_INV_R {
OUT_INV_R::new(((self.bits >> 11) & 1) != 0)
}
}
impl W {
#[doc = "Bit 0 - Enable sniffer"]
#[inline(always)]
#[must_use]
pub fn en(&mut self) -> EN_W<SNIFF_CTRL_SPEC> {
EN_W::new(self, 0)
}
#[doc = "Bits 1:4 - DMA channel for Sniffer to observe"]
#[inline(always)]
#[must_use]
pub fn dmach(&mut self) -> DMACH_W<SNIFF_CTRL_SPEC> {
DMACH_W::new(self, 1)
}
#[doc = "Bits 5:8"]
#[inline(always)]
#[must_use]
pub fn calc(&mut self) -> CALC_W<SNIFF_CTRL_SPEC> {
CALC_W::new(self, 5)
}
#[doc = "Bit 9 - Locally perform a byte reverse on the sniffed data, before feeding into checksum.
Note that the sniff hardware is downstream of the DMA channel byteswap performed in the read master: if channel CTRL_BSWAP and SNIFF_CTRL_BSWAP are both enabled, their effects cancel from the sniffer's point of view."]
#[inline(always)]
#[must_use]
pub fn bswap(&mut self) -> BSWAP_W<SNIFF_CTRL_SPEC> {
BSWAP_W::new(self, 9)
}
#[doc = "Bit 10 - If set, the result appears bit-reversed when read. This does not affect the way the checksum is calculated; the result is transformed on-the-fly between the result register and the bus."]
#[inline(always)]
#[must_use]
pub fn out_rev(&mut self) -> OUT_REV_W<SNIFF_CTRL_SPEC> {
OUT_REV_W::new(self, 10)
}
#[doc = "Bit 11 - If set, the result appears inverted (bitwise complement) when read. This does not affect the way the checksum is calculated; the result is transformed on-the-fly between the result register and the bus."]
#[inline(always)]
#[must_use]
pub fn out_inv(&mut self) -> OUT_INV_W<SNIFF_CTRL_SPEC> {
OUT_INV_W::new(self, 11)
}
#[doc = r" Writes raw bits to the register."]
#[doc = r""]
#[doc = r" # Safety"]
#[doc = r""]
#[doc = r" Passing incorrect value can cause undefined behaviour. See reference manual"]
#[inline(always)]
pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
self.bits = bits;
self
}
}
#[doc = "Sniffer Control
You can [`read`](crate::generic::Reg::read) this register and get [`sniff_ctrl::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 [`sniff_ctrl::W`](W). You can also [`modify`](crate::generic::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
pub struct SNIFF_CTRL_SPEC;
impl crate::RegisterSpec for SNIFF_CTRL_SPEC {
type Ux = u32;
}
#[doc = "`read()` method returns [`sniff_ctrl::R`](R) reader structure"]
impl crate::Readable for SNIFF_CTRL_SPEC {}
#[doc = "`write(|w| ..)` method takes [`sniff_ctrl::W`](W) writer structure"]
impl crate::Writable for SNIFF_CTRL_SPEC {
const ZERO_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
const ONE_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
}
#[doc = "`reset()` method sets SNIFF_CTRL to value 0"]
impl crate::Resettable for SNIFF_CTRL_SPEC {
const RESET_VALUE: u32 = 0;
}