#[doc = r" Value read from the register"]
pub struct R {
bits: u32,
}
#[doc = r" Value to write to the register"]
pub struct W {
bits: u32,
}
impl super::TXFILLTUNING {
#[doc = r" Modifies the contents of the register"]
#[inline]
pub fn modify<F>(&self, f: F)
where
for<'w> F: FnOnce(&R, &'w mut W) -> &'w mut W,
{
let bits = self.register.get();
let r = R { bits: bits };
let mut w = W { bits: bits };
f(&r, &mut w);
self.register.set(w.bits);
}
#[doc = r" Reads the contents of the register"]
#[inline]
pub fn read(&self) -> R {
R {
bits: self.register.get(),
}
}
#[doc = r" Writes to the register"]
#[inline]
pub fn write<F>(&self, f: F)
where
F: FnOnce(&mut W) -> &mut W,
{
let mut w = W::reset_value();
f(&mut w);
self.register.set(w.bits);
}
#[doc = r" Writes the reset value to the register"]
#[inline]
pub fn reset(&self) {
self.write(|w| w)
}
}
#[doc = r" Value of the field"]
pub struct TXSCHOHR {
bits: u8,
}
impl TXSCHOHR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Value of the field"]
pub struct TXSCHEATLTHR {
bits: u8,
}
impl TXSCHEATLTHR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Value of the field"]
pub struct TXFIFOTHRESR {
bits: u8,
}
impl TXFIFOTHRESR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Proxy"]
pub struct _TXSCHOHW<'a> {
w: &'a mut W,
}
impl<'a> _TXSCHOHW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 255;
const OFFSET: u8 = 0;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
#[doc = r" Proxy"]
pub struct _TXSCHEATLTHW<'a> {
w: &'a mut W,
}
impl<'a> _TXSCHEATLTHW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 31;
const OFFSET: u8 = 8;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
#[doc = r" Proxy"]
pub struct _TXFIFOTHRESW<'a> {
w: &'a mut W,
}
impl<'a> _TXFIFOTHRESW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 63;
const OFFSET: u8 = 16;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
impl R {
#[doc = r" Value of the register as raw bits"]
#[inline]
pub fn bits(&self) -> u32 {
self.bits
}
#[doc = "Bits 0:7 - FIFO burst threshold This register controls the number of data bursts that are posted to the TX latency FIFO in host mode before the packet begins on to the bus. The minimum value is 2 and this value should be a low as possible to maximize USB performance. A higher value can be used in systems with unpredictable latency and/or insufficient bandwidth where the FIFO may underrun because the data transferred from the latency FIFO to USB occurs before it can be replenished from system memory. This value is ignored if the Stream Disable bit in USBMODE register is set."]
#[inline]
pub fn txschoh(&self) -> TXSCHOHR {
let bits = {
const MASK: u8 = 255;
const OFFSET: u8 = 0;
((self.bits >> OFFSET) & MASK as u32) as u8
};
TXSCHOHR { bits }
}
#[doc = "Bits 8:12 - Scheduler health counter This register increments when the host controller fails to fill the TX latency FIFO to the level programmed by TXFIFOTHRES before running out of time to send the packet before the next Start-Of-Frame . This health counter measures the number of times this occurs to provide feedback to selecting a proper TXSCHOH. Writing to this register will clear the counter. The maximum value is 31."]
#[inline]
pub fn txscheatlth(&self) -> TXSCHEATLTHR {
let bits = {
const MASK: u8 = 31;
const OFFSET: u8 = 8;
((self.bits >> OFFSET) & MASK as u32) as u8
};
TXSCHEATLTHR { bits }
}
#[doc = "Bits 16:21 - Scheduler overhead This register adds an additional fixed offset to the schedule time estimator described above as Tff. As an approximation, the value chosen for this register should limit the number of back-off events captured in the TXSCHHEALTH to less than 10 per second in a highly utilized bus. Choosing a value that is too high for this register is not desired as it can needlessly reduce USB utilization. The time unit represented in this register is 1.267 ms when a device is connected in High-Speed Mode for OTG and SPH. The time unit represented in this register is 6.333 ms when a device is connected in Low/Full Speed Mode for OTG and SPH."]
#[inline]
pub fn txfifothres(&self) -> TXFIFOTHRESR {
let bits = {
const MASK: u8 = 63;
const OFFSET: u8 = 16;
((self.bits >> OFFSET) & MASK as u32) as u8
};
TXFIFOTHRESR { bits }
}
}
impl W {
#[doc = r" Reset value of the register"]
#[inline]
pub fn reset_value() -> W {
W { bits: 0 }
}
#[doc = r" Writes raw bits to the register"]
#[inline]
pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
self.bits = bits;
self
}
#[doc = "Bits 0:7 - FIFO burst threshold This register controls the number of data bursts that are posted to the TX latency FIFO in host mode before the packet begins on to the bus. The minimum value is 2 and this value should be a low as possible to maximize USB performance. A higher value can be used in systems with unpredictable latency and/or insufficient bandwidth where the FIFO may underrun because the data transferred from the latency FIFO to USB occurs before it can be replenished from system memory. This value is ignored if the Stream Disable bit in USBMODE register is set."]
#[inline]
pub fn txschoh(&mut self) -> _TXSCHOHW {
_TXSCHOHW { w: self }
}
#[doc = "Bits 8:12 - Scheduler health counter This register increments when the host controller fails to fill the TX latency FIFO to the level programmed by TXFIFOTHRES before running out of time to send the packet before the next Start-Of-Frame . This health counter measures the number of times this occurs to provide feedback to selecting a proper TXSCHOH. Writing to this register will clear the counter. The maximum value is 31."]
#[inline]
pub fn txscheatlth(&mut self) -> _TXSCHEATLTHW {
_TXSCHEATLTHW { w: self }
}
#[doc = "Bits 16:21 - Scheduler overhead This register adds an additional fixed offset to the schedule time estimator described above as Tff. As an approximation, the value chosen for this register should limit the number of back-off events captured in the TXSCHHEALTH to less than 10 per second in a highly utilized bus. Choosing a value that is too high for this register is not desired as it can needlessly reduce USB utilization. The time unit represented in this register is 1.267 ms when a device is connected in High-Speed Mode for OTG and SPH. The time unit represented in this register is 6.333 ms when a device is connected in Low/Full Speed Mode for OTG and SPH."]
#[inline]
pub fn txfifothres(&mut self) -> _TXFIFOTHRESW {
_TXFIFOTHRESW { w: self }
}
}