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/// §32.8.7.5
/// Host Status Bank.
///
/// Offset: 0x0a & 0x1a
/// Reset: 0xxxxxxx
/// Property: NA
#[derive(Clone, Copy, Debug)]
#[repr(C, packed)]
pub(crate) struct StatusBk(u8);
pub(crate) struct R {
bits: u8,
}
pub(crate) struct W {
bits: u8,
}
impl StatusBk {
pub fn read(&self) -> R {
R { bits: self.0 }
}
pub fn write<F>(&mut self, f: F)
where
F: FnOnce(&mut W) -> &mut W,
{
let mut w = W { bits: self.0 };
f(&mut w);
self.0 = w.bits;
}
}
impl From<u8> for StatusBk {
fn from(v: u8) -> Self {
Self(v)
}
}
impl R {
/// Value in raw bits.
pub fn bits(&self) -> u8 {
self.bits
}
pub fn errorflow(&self) -> ErrorFlowR {
let bits = {
const POS: u8 = 1;
const MASK: u8 = 1;
((self.bits >> POS) & MASK) == 1
};
ErrorFlowR(bits)
}
pub fn crcerr(&self) -> CRCErrR {
let bits = {
const POS: u8 = 0;
const MASK: u8 = 1;
((self.bits >> POS) & MASK) == 1
};
CRCErrR(bits)
}
}
/// Error Flow Status
///
/// This bit defines the Error Flow Status.
///
/// This bit is set when a Error Flow has been detected during
/// transfer from/towards this bank.
///
/// For IN transfer, a NAK handshake has been received. For OUT
/// transfer, a NAK handshake has been received. For Isochronous IN
/// transfer, an overrun condition has occurred. For Isochronous OUT
/// transfer, an underflow condition has occurred.
pub(crate) struct ErrorFlowR(bool);
impl ErrorFlowR {
pub fn bit(&self) -> bool {
self.0
}
pub fn bit_is_set(&self) -> bool {
self.bit()
}
pub fn bit_is_clear(&self) -> bool {
!self.bit_is_set()
}
}
/// CRC Error
///
/// This bit defines the CRC Error Status.
///
/// This bit is set when a CRC error has been detected in an
/// isochronous IN endpoint bank.
pub(crate) struct CRCErrR(bool);
impl CRCErrR {
pub fn bit(&self) -> bool {
self.0
}
pub fn bit_is_set(&self) -> bool {
self.bit()
}
pub fn bit_is_clear(&self) -> bool {
!self.bit_is_set()
}
}
impl W {
/// Write raw bits.
pub unsafe fn bits(&mut self, v: u8) -> &mut Self {
self.bits = v;
self
}
pub fn errorflow(&mut self) -> ErrorFlowW {
ErrorFlowW { w: self }
}
pub fn crcerr(&mut self) -> CRCErrW {
CRCErrW { w: self }
}
}
pub(crate) struct ErrorFlowW<'a> {
w: &'a mut W,
}
impl<'a> ErrorFlowW<'a> {
pub fn bit(self, v: bool) -> &'a mut W {
const POS: u8 = 1;
const MASK: bool = true;
self.w.bits &= !((MASK as u8) << POS);
self.w.bits |= ((v & MASK) as u8) << POS;
self.w
}
pub fn set_bit(self) -> &'a mut W {
self.bit(true)
}
pub fn clear_bit(self) -> &'a mut W {
self.bit(false)
}
}
pub(crate) struct CRCErrW<'a> {
w: &'a mut W,
}
impl<'a> CRCErrW<'a> {
pub fn bit(self, v: bool) -> &'a mut W {
const POS: u8 = 0;
const MASK: bool = true;
self.w.bits &= !((MASK as u8) << POS);
self.w.bits |= ((v & MASK) as u8) << POS;
self.w
}
pub fn set_bit(self) -> &'a mut W {
self.bit(true)
}
pub fn clear_bit(self) -> &'a mut W {
self.bit(false)
}
}
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