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Trait for UsbSupply

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Eliminated a signal by using a simpler trait method that returns whether VBus power is available. Also includes a UsbSupply that can be signalled for use with the nRF softdevice. Includes the requirement for waiting for power to become available.
This commit is contained in:
huntc
2022-07-09 16:40:10 +10:00
parent 81796d29b4
commit 8785fbc6f1
6 changed files with 173 additions and 165 deletions
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8
examples/nrf/src/bin/usb_serial.rs
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@ -7,7 +7,7 @@ use core::mem;
use defmt::{info, panic};
use embassy::executor::Spawner;
use embassy_nrf::usb::{Driver, Instance};
use embassy_nrf::usb::{Driver, Instance, PowerUsb, UsbSupply};
use embassy_nrf::{interrupt, pac, Peripherals};
use embassy_usb::driver::EndpointError;
use embassy_usb::{Builder, Config};
@ -26,7 +26,7 @@ async fn main(_spawner: Spawner, p: Peripherals) {
// Create the driver, from the HAL.
let irq = interrupt::take!(USBD);
let power_irq = interrupt::take!(POWER_CLOCK);
let driver = Driver::with_power_management(p.USBD, irq, power_irq);
let driver = Driver::new(p.USBD, irq, PowerUsb::new(power_irq));
// Create embassy-usb Config
let mut config = Config::new(0xc0de, 0xcafe);
@ -97,7 +97,9 @@ impl From<EndpointError> for Disconnected {
}
}
async fn echo<'d, T: Instance + 'd>(class: &mut CdcAcmClass<'d, Driver<'d, T>>) -> Result<(), Disconnected> {
async fn echo<'d, T: Instance + 'd, P: UsbSupply + 'd>(
class: &mut CdcAcmClass<'d, Driver<'d, T, P>>,
) -> Result<(), Disconnected> {
let mut buf = [0; 64];
loop {
let n = class.read_packet(&mut buf).await?;