diff options
Diffstat (limited to 'app/src/usb/pipe/status_bk.rs')
-rw-r--r-- | app/src/usb/pipe/status_bk.rs | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/app/src/usb/pipe/status_bk.rs b/app/src/usb/pipe/status_bk.rs deleted file mode 100644 index 4ddb420..0000000 --- a/app/src/usb/pipe/status_bk.rs +++ /dev/null @@ -1,170 +0,0 @@ -/// ยง32.8.7.5 -/// Host Status Bank. -/// -/// Offset: 0x0a & 0x1a -/// Reset: 0xxxxxxx -/// Property: NA -#[derive(Clone, Copy, Debug)] -#[repr(C)] -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) - } -} |