esp-hosted: fix warnings.

embassy-net-esp-hosted/src/control.rs

@@ -16,6 +16,7 @@ pub struct Control<'a> {
     shared: &'a Shared,
 }
 
+#[allow(unused)]
 enum WifiMode {
     None = 0,
     Sta = 1,
@@ -34,6 +35,7 @@ impl<'a> Control<'a> {
 
         debug!("set wifi mode");
         self.set_wifi_mode(WifiMode::Sta as _).await;
+
         let mac_addr = self.get_mac_addr().await;
         debug!("mac addr: {:02x}", mac_addr);
         self.state_ch.set_ethernet_address(mac_addr);
@@ -91,18 +93,6 @@ impl<'a> Control<'a> {
         res
     }
 
-    async fn get_wifi_mode(&mut self) -> u32 {
-        let req = proto::CtrlMsg {
-            msg_id: proto::CtrlMsgId::ReqGetWifiMode as _,
-            msg_type: proto::CtrlMsgType::Req as _,
-            payload: Some(proto::CtrlMsgPayload::ReqGetWifiMode(proto::CtrlMsgReqGetMode {})),
-        };
-        let resp = self.ioctl(req).await;
-        let proto::CtrlMsgPayload::RespGetWifiMode(resp) = resp.payload.unwrap() else { panic!("unexpected resp") };
-        assert_eq!(resp.resp, 0);
-        resp.mode
-    }
-
     async fn set_wifi_mode(&mut self, mode: u32) {
         let req = proto::CtrlMsg {
             msg_id: proto::CtrlMsgId::ReqSetWifiMode as _,

embassy-net-esp-hosted/src/ioctl.rs

@@ -1,6 +1,6 @@
-use core::cell::{Cell, RefCell};
+use core::cell::RefCell;
 use core::future::poll_fn;
-use core::task::{Poll, Waker};
+use core::task::Poll;
 
 use embassy_sync::waitqueue::WakerRegistration;
 

embassy-net-esp-hosted/src/lib.rs

@@ -83,6 +83,7 @@ struct PayloadHeader {
 }
 impl_bytes!(PayloadHeader);
 
+#[allow(unused)]
 #[repr(u8)]
 enum InterfaceType {
     Sta = 0,
@@ -276,7 +277,7 @@ where
                     return;
                 }
 
-                let isEvent = match &payload[..12] {
+                let is_event = match &payload[..12] {
                     b"\x01\x08\x00ctrlResp\x02" => false,
                     b"\x01\x08\x00ctrlEvnt\x02" => true,
                     _ => {
@@ -292,7 +293,7 @@ where
                 }
                 let data = &payload[14..][..len];
 
-                if isEvent {
+                if is_event {
                     self.handle_event(data);
                 } else {
                     self.shared.ioctl_done(data);

examples/nrf52840/src/bin/wifi_esp_hosted.rs

@@ -10,7 +10,6 @@ use embassy_nrf::gpio::{AnyPin, Input, Level, Output, OutputDrive, Pin, Pull};
 use embassy_nrf::rng::Rng;
 use embassy_nrf::spim::{self, Spim};
 use embassy_nrf::{bind_interrupts, peripherals};
-use embassy_time::{Duration, Timer};
 use embedded_hal_async::spi::ExclusiveDevice;
 use embedded_io::asynch::Write;
 use static_cell::make_static;