esp_wifi/timer/
timer_esp32s2.rs

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#[cfg(feature = "wifi")]
#[allow(unused_imports)]
use crate::hal::{interrupt, peripherals};

pub(crate) fn setup_radio_isr() {
    // wifi enabled in set_isr
    // ble not supported
}

pub(crate) fn shutdown_radio_isr() {
    // ble not supported
}

#[cfg(feature = "wifi")]
#[no_mangle]
extern "C" fn WIFI_MAC() {
    unsafe {
        let (fnc, arg) = crate::wifi::os_adapter::ISR_INTERRUPT_1;
        trace!("interrupt WIFI_MAC {:?} {:?}", fnc, arg);

        if !fnc.is_null() {
            let fnc: fn(*mut crate::binary::c_types::c_void) = core::mem::transmute(fnc);
            fnc(arg);
        }
    }
}

#[cfg(feature = "wifi")]
#[no_mangle]
extern "C" fn WIFI_PWR() {
    unsafe {
        let (fnc, arg) = crate::wifi::os_adapter::ISR_INTERRUPT_1;

        trace!("interrupt WIFI_PWR {:?} {:?}", fnc, arg);

        if !fnc.is_null() {
            let fnc: fn(*mut crate::binary::c_types::c_void) = core::mem::transmute(fnc);
            fnc(arg);
        }

        trace!("interrupt 1 done");
    };
}