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This commit is contained in:
Jacob Rosenthal 2021-12-14 13:51:50 -07:00
parent 535d30335a
commit f31140a70b
2 changed files with 19 additions and 8 deletions
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21
embassy-nrf/src/usb.rs
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@ -8,8 +8,17 @@ use crate::pac;
use nrf_usbd::{UsbPeripheral, Usbd}; use nrf_usbd::{UsbPeripheral, Usbd};
use usb_device::bus::UsbBusAllocator; use usb_device::bus::UsbBusAllocator;
unsafe impl<'d, T: Instance> UsbPeripheral for Usb<'d, T> { // todo using different type than Usb because T isnt Send
const REGISTERS: *const () = T::regs as *const (); pub struct UsbBus;
unsafe impl UsbPeripheral for UsbBus {
// todo hardcoding
const REGISTERS: *const () = crate::pac::USBD::ptr() as *const ();
}
impl UsbBus {
pub fn new() -> UsbBusAllocator<Usbd<UsbBus>> {
Usbd::new(UsbBus)
}
} }
unsafe impl embassy_hal_common::usb::USBInterrupt for crate::interrupt::USBD {} unsafe impl embassy_hal_common::usb::USBInterrupt for crate::interrupt::USBD {}
@ -20,12 +29,12 @@ pub struct Usb<'d, T: Instance> {
impl<'d, T: Instance> Usb<'d, T> { impl<'d, T: Instance> Usb<'d, T> {
#[allow(unused_unsafe)] #[allow(unused_unsafe)]
pub fn new(_usb: impl Unborrow<Target = T> + 'd) -> UsbBusAllocator<Usbd<Self>> { pub fn new(_usb: impl Unborrow<Target = T> + 'd) -> Self {
let r = T::regs(); let r = T::regs();
Usbd::new(Self { Self {
phantom: PhantomData, phantom: PhantomData,
}) }
} }
fn on_interrupt(_: *mut ()) { fn on_interrupt(_: *mut ()) {
@ -41,7 +50,7 @@ pub(crate) mod sealed {
} }
} }
pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static + Send { pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static {
type Interrupt: Interrupt; type Interrupt: Interrupt;
} }

6
examples/nrf/src/bin/usb_uart.rs
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@ -17,7 +17,7 @@ use embassy::executor::Spawner;
use embassy::io::{AsyncBufReadExt, AsyncWriteExt}; use embassy::io::{AsyncBufReadExt, AsyncWriteExt};
use embassy::time::{Duration, Timer}; use embassy::time::{Duration, Timer};
use embassy_hal_common::usb::{State, Usb, UsbSerial}; use embassy_hal_common::usb::{State, Usb, UsbSerial};
use embassy_nrf::usb::Usb as UsbDevice; use embassy_nrf::usb::{Usb as UsbDevice, UsbBus};
use embassy_nrf::{interrupt, Peripherals}; use embassy_nrf::{interrupt, Peripherals};
use usb_device::device::{UsbDeviceBuilder, UsbVidPid}; use usb_device::device::{UsbDeviceBuilder, UsbVidPid};
@ -26,7 +26,9 @@ async fn main(_spawner: Spawner, p: Peripherals) {
let mut tx_buffer = [0u8; 1024]; let mut tx_buffer = [0u8; 1024];
let mut rx_buffer = [0u8; 640]; let mut rx_buffer = [0u8; 640];
let usb_bus = UsbDevice::new(p.USBD); let _usb_dev = UsbDevice::new(p.USBD);
let usb_bus = UsbBus::new();
let serial = UsbSerial::new(&usb_bus, &mut rx_buffer, &mut tx_buffer); let serial = UsbSerial::new(&usb_bus, &mut rx_buffer, &mut tx_buffer);