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usb: remove is_stalled, set_stalled from Endpoint.

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They're unused, and I believe it's not allowed for classes to
stall EPs on their own?
This commit is contained in:
Dario Nieuwenhuis 2022-05-30 00:07:15 +02:00
parent 98d8c9373d
commit 1ec2e5672f
2 changed files with 19 additions and 50 deletions
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60
embassy-nrf/src/usb.rs
View File

@ -101,37 +101,6 @@ impl<'d, T: Instance> Driver<'d, T> {
}
}
}
fn set_stalled(ep_addr: EndpointAddress, stalled: bool) {
let regs = T::regs();
unsafe {
if ep_addr.index() == 0 {
regs.tasks_ep0stall
.write(|w| w.tasks_ep0stall().bit(stalled));
} else {
regs.epstall.write(|w| {
w.ep().bits(ep_addr.index() as u8 & 0b111);
w.io().bit(ep_addr.is_in());
w.stall().bit(stalled)
});
}
}
//if stalled {
// self.busy_in_endpoints &= !(1 << ep_addr.index());
//}
}
fn is_stalled(ep_addr: EndpointAddress) -> bool {
let regs = T::regs();
let i = ep_addr.index();
match ep_addr.direction() {
UsbDirection::Out => regs.halted.epout[i].read().getstatus().is_halted(),
UsbDirection::In => regs.halted.epin[i].read().getstatus().is_halted(),
}
}
}
impl<'d, T: Instance> driver::Driver<'d> for Driver<'d, T> {
@ -294,11 +263,28 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
}
fn endpoint_set_stalled(&mut self, ep_addr: EndpointAddress, stalled: bool) {
Driver::<T>::set_stalled(ep_addr, stalled)
let regs = T::regs();
unsafe {
if ep_addr.index() == 0 {
regs.tasks_ep0stall
.write(|w| w.tasks_ep0stall().bit(stalled));
} else {
regs.epstall.write(|w| {
w.ep().bits(ep_addr.index() as u8 & 0b111);
w.io().bit(ep_addr.is_in());
w.stall().bit(stalled)
});
}
}
}
fn endpoint_is_stalled(&mut self, ep_addr: EndpointAddress) -> bool {
Driver::<T>::is_stalled(ep_addr)
let regs = T::regs();
let i = ep_addr.index();
match ep_addr.direction() {
UsbDirection::Out => regs.halted.epout[i].read().getstatus().is_halted(),
UsbDirection::In => regs.halted.epin[i].read().getstatus().is_halted(),
}
}
fn endpoint_set_enabled(&mut self, ep_addr: EndpointAddress, enabled: bool) {
@ -464,14 +450,6 @@ impl<'d, T: Instance, Dir: EndpointDir> driver::Endpoint for Endpoint<'d, T, Dir
&self.info
}
fn set_stalled(&self, stalled: bool) {
Driver::<T>::set_stalled(self.info.addr, stalled)
}
fn is_stalled(&self) -> bool {
Driver::<T>::is_stalled(self.info.addr)
}
type WaitEnabledFuture<'a> = impl Future<Output = ()> + 'a where Self: 'a;
fn wait_enabled(&mut self) -> Self::WaitEnabledFuture<'_> {

9
embassy-usb/src/driver.rs
View File

@ -118,17 +118,8 @@ pub trait Endpoint {
/// Get the endpoint address
fn info(&self) -> &EndpointInfo;
/// Sets or clears the STALL condition for an endpoint. If the endpoint is an OUT endpoint, it
/// should be prepared to receive data again.
fn set_stalled(&self, stalled: bool);
/// Gets whether the STALL condition is set for an endpoint.
fn is_stalled(&self) -> bool;
/// Waits for the endpoint to be enabled.
fn wait_enabled(&mut self) -> Self::WaitEnabledFuture<'_>;
// TODO enable/disable?
}
pub trait EndpointOut: Endpoint {