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usb: split driver trait to separate crate.

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This commit is contained in:
Dario Nieuwenhuis
2022-09-26 12:29:27 +02:00
parent a9efbf18c6
commit 7f7c14b7bc
12 changed files with 189 additions and 165 deletions
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35
embassy-stm32/src/usb/usb.rs
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@ -9,8 +9,9 @@ use atomic_polyfill::{AtomicBool, AtomicU8};
use embassy_hal_common::into_ref;
use embassy_sync::waitqueue::AtomicWaker;
use embassy_time::{block_for, Duration};
use embassy_usb::driver::{self, EndpointAllocError, EndpointError, Event, Unsupported};
use embassy_usb::types::{EndpointAddress, EndpointInfo, EndpointType, UsbDirection};
use embassy_usb::driver::{
self, Direction, EndpointAddress, EndpointAllocError, EndpointError, EndpointInfo, EndpointType, Event, Unsupported,
};
use pac::common::{Reg, RW};
use pac::usb::vals::{EpType, Stat};
@ -279,8 +280,8 @@ impl<'d, T: Instance> Driver<'d, T> {
}
let used = ep.used_out || ep.used_in;
let used_dir = match D::dir() {
UsbDirection::Out => ep.used_out,
UsbDirection::In => ep.used_in,
Direction::Out => ep.used_out,
Direction::In => ep.used_in,
};
!used || (ep.ep_type == ep_type && !used_dir)
});
@ -293,7 +294,7 @@ impl<'d, T: Instance> Driver<'d, T> {
ep.ep_type = ep_type;
let buf = match D::dir() {
UsbDirection::Out => {
Direction::Out => {
assert!(!ep.used_out);
ep.used_out = true;
@ -312,7 +313,7 @@ impl<'d, T: Instance> Driver<'d, T> {
_phantom: PhantomData,
}
}
UsbDirection::In => {
Direction::In => {
assert!(!ep.used_in);
ep.used_in = true;
@ -504,7 +505,7 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
// This can race, so do a retry loop.
let reg = T::regs().epr(ep_addr.index() as _);
match ep_addr.direction() {
UsbDirection::In => {
Direction::In => {
loop {
let r = unsafe { reg.read() };
match r.stat_tx() {
@ -523,7 +524,7 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
}
EP_IN_WAKERS[ep_addr.index()].wake();
}
UsbDirection::Out => {
Direction::Out => {
loop {
let r = unsafe { reg.read() };
match r.stat_rx() {
@ -549,8 +550,8 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
let regs = T::regs();
let epr = unsafe { regs.epr(ep_addr.index() as _).read() };
match ep_addr.direction() {
UsbDirection::In => epr.stat_tx() == Stat::STALL,
UsbDirection::Out => epr.stat_rx() == Stat::STALL,
Direction::In => epr.stat_tx() == Stat::STALL,
Direction::Out => epr.stat_rx() == Stat::STALL,
}
}
@ -560,7 +561,7 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
let reg = T::regs().epr(ep_addr.index() as _);
trace!("EPR before: {:04x}", unsafe { reg.read() }.0);
match ep_addr.direction() {
UsbDirection::In => {
Direction::In => {
loop {
let want_stat = match enabled {
false => Stat::DISABLED,
@ -576,7 +577,7 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
}
EP_IN_WAKERS[ep_addr.index()].wake();
}
UsbDirection::Out => {
Direction::Out => {
loop {
let want_stat = match enabled {
false => Stat::DISABLED,
@ -616,14 +617,14 @@ impl<'d, T: Instance> driver::Bus for Bus<'d, T> {
}
trait Dir {
fn dir() -> UsbDirection;
fn dir() -> Direction;
fn waker(i: usize) -> &'static AtomicWaker;
}
pub enum In {}
impl Dir for In {
fn dir() -> UsbDirection {
UsbDirection::In
fn dir() -> Direction {
Direction::In
}
#[inline]
@ -634,8 +635,8 @@ impl Dir for In {
pub enum Out {}
impl Dir for Out {
fn dir() -> UsbDirection {
UsbDirection::Out
fn dir() -> Direction {
Direction::Out
}
#[inline]