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feat(UsbBus): implement resume and set_device_address methods

This commit is contained in:
doryan 2024-11-09 16:47:05 +04:00
parent ecb5e513d1
commit 64424febc6
1 changed files with 36 additions and 2 deletions
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38
src/types/usb_device.rs
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@ -275,11 +275,45 @@ impl<const L: usize> UsbBus for UsbDevice<L> {
}
fn resume(&self) {
todo!();
free(|cs| {
let usb = self.usb.borrow(cs);
let pll = self.pll.borrow(cs);
// Enable PLL and wait PLL lock. //
pll.pllcsr.modify(|_, w| w.plle().set_bit());
while pll.pllcsr.read().plock().bit_is_clear() {}
// Unfreeze USB clock. //
usb.usbcon.modify(|_, w| w.frzclk().clear_bit());
// Clear resume informations. //
usb.udint
.modify(|_, w| w.wakeupi().clear_bit().suspi().clear_bit());
usb.udien
.modify(|_, w| w.wakeupe().clear_bit().suspe().set_bit());
})
}
fn set_device_address(&self, addr: u8) {
todo!();
free(|cs| {
let usb = self.usb.borrow(cs);
// Set address. //
usb.udaddr.modify(|_, w| w.uadd().bits(addr));
// Note: ADDEN and UADD shall not be written at the same time.
// (written in atmega32u4/16u4 docs)
// Enable. //
usb.udaddr.modify(|_, w| w.adden().set_bit());
});
}
fn set_stalled(&self, ep_addr: usb_device::endpoint::EndpointAddress, stalled: bool) {