embassy-stm32/src/usb/mod.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36

use embassy::interrupt::Interrupt;

use crate::rcc::RccPeripheral;

#[cfg(feature = "nightly")]
mod usb;
#[cfg(feature = "nightly")]
pub use usb::*;

pub(crate) mod sealed {
    pub trait Instance {
        fn regs() -> crate::pac::usb::Usb;
    }
}

pub trait Instance: sealed::Instance + RccPeripheral + 'static {
    type Interrupt: Interrupt;
}

// Internal PHY pins
pin_trait!(DpPin, Instance);
pin_trait!(DmPin, Instance);

foreach_interrupt!(
    ($inst:ident, usb, $block:ident, LP, $irq:ident) => {
        impl sealed::Instance for crate::peripherals::$inst {
            fn regs() -> crate::pac::usb::Usb {
                crate::pac::$inst
            }
        }

        impl Instance for crate::peripherals::$inst {
            type Interrupt = crate::interrupt::$irq;
        }
    };
);