51 files changed, 52 insertions, 81 deletions
diff --git a/examples/nrf52840/src/bin/blinky.rs b/examples/nrf52840/src/bin/blinky.rs
index d3d1a7122..58a3d2cd9 100644
--- a/examples/nrf52840/src/bin/blinky.rs
+++ b/examples/nrf52840/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
diff --git a/examples/nrf52840/src/bin/buffered_uart.rs b/examples/nrf52840/src/bin/buffered_uart.rs
index d9c505786..6ac72bcaf 100644
--- a/examples/nrf52840/src/bin/buffered_uart.rs
+++ b/examples/nrf52840/src/bin/buffered_uart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/channel.rs b/examples/nrf52840/src/bin/channel.rs
index d3c7b47d2..7fcea9dbd 100644
--- a/examples/nrf52840/src/bin/channel.rs
+++ b/examples/nrf52840/src/bin/channel.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::unwrap;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/channel_sender_receiver.rs b/examples/nrf52840/src/bin/channel_sender_receiver.rs
index 79d2c4048..3095a04ec 100644
--- a/examples/nrf52840/src/bin/channel_sender_receiver.rs
+++ b/examples/nrf52840/src/bin/channel_sender_receiver.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::unwrap;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/ethernet_enc28j60.rs b/examples/nrf52840/src/bin/ethernet_enc28j60.rs
index d1b796fab..a8e64b38a 100644
--- a/examples/nrf52840/src/bin/ethernet_enc28j60.rs
+++ b/examples/nrf52840/src/bin/ethernet_enc28j60.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
@@ -14,7 +13,7 @@ use embassy_nrf::{bind_interrupts, peripherals, spim};
 use embassy_time::Delay;
 use embedded_hal_bus::spi::ExclusiveDevice;
 use embedded_io_async::Write;
-use static_cell::make_static;
+use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 bind_interrupts!(struct Irqs {
@@ -70,11 +69,20 @@ async fn main(spawner: Spawner) {
    let seed = u64::from_le_bytes(seed);
    // Init network stack
-    let stack = &*make_static!(Stack::new(
+    static RESOURCES: StaticCell<StackResources<2>> = StaticCell::new();
+    static STACK: StaticCell<
+        Stack<
+            Enc28j60<
+                ExclusiveDevice<Spim<'static, peripherals::SPI3>, Output<'static, peripherals::P0_15>, Delay>,
+                Output<'static, peripherals::P0_13>,
+            >,
+        >,
+    > = StaticCell::new();
+    let stack = STACK.init(Stack::new(
        device,
        config,
-        make_static!(StackResources::<2>::new()),
+        RESOURCES.init(StackResources::<2>::new()),
-        seed
+        seed,
    ));
    unwrap!(spawner.spawn(net_task(stack)));
diff --git a/examples/nrf52840/src/bin/executor_fairness_test.rs b/examples/nrf52840/src/bin/executor_fairness_test.rs
index f111b272e..df6e7af3f 100644
--- a/examples/nrf52840/src/bin/executor_fairness_test.rs
+++ b/examples/nrf52840/src/bin/executor_fairness_test.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::future::poll_fn;
 use core::task::Poll;
diff --git a/examples/nrf52840/src/bin/gpiote_channel.rs b/examples/nrf52840/src/bin/gpiote_channel.rs
index 5bfd02465..e254d613d 100644
--- a/examples/nrf52840/src/bin/gpiote_channel.rs
+++ b/examples/nrf52840/src/bin/gpiote_channel.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/gpiote_port.rs b/examples/nrf52840/src/bin/gpiote_port.rs
index 0155d539e..c1afe2f20 100644
--- a/examples/nrf52840/src/bin/gpiote_port.rs
+++ b/examples/nrf52840/src/bin/gpiote_port.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/i2s_effect.rs b/examples/nrf52840/src/bin/i2s_effect.rs
index 391514d93..9eadeb4e4 100644
--- a/examples/nrf52840/src/bin/i2s_effect.rs
+++ b/examples/nrf52840/src/bin/i2s_effect.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::f32::consts::PI;
diff --git a/examples/nrf52840/src/bin/i2s_monitor.rs b/examples/nrf52840/src/bin/i2s_monitor.rs
index 4ed597c0d..799be351f 100644
--- a/examples/nrf52840/src/bin/i2s_monitor.rs
+++ b/examples/nrf52840/src/bin/i2s_monitor.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{debug, error, info};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/i2s_waveform.rs b/examples/nrf52840/src/bin/i2s_waveform.rs
index f2c1166b1..137d82840 100644
--- a/examples/nrf52840/src/bin/i2s_waveform.rs
+++ b/examples/nrf52840/src/bin/i2s_waveform.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::f32::consts::PI;
diff --git a/examples/nrf52840/src/bin/manually_create_executor.rs b/examples/nrf52840/src/bin/manually_create_executor.rs
index 80364d34a..7ca39348e 100644
--- a/examples/nrf52840/src/bin/manually_create_executor.rs
+++ b/examples/nrf52840/src/bin/manually_create_executor.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::{info, unwrap};
diff --git a/examples/nrf52840/src/bin/multiprio.rs b/examples/nrf52840/src/bin/multiprio.rs
index 352f62bf2..b634d8569 100644
--- a/examples/nrf52840/src/bin/multiprio.rs
+++ b/examples/nrf52840/src/bin/multiprio.rs
@@ -55,7 +55,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::{info, unwrap};
diff --git a/examples/nrf52840/src/bin/mutex.rs b/examples/nrf52840/src/bin/mutex.rs
index 11b47d991..5c22279b5 100644
--- a/examples/nrf52840/src/bin/mutex.rs
+++ b/examples/nrf52840/src/bin/mutex.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/nvmc.rs b/examples/nrf52840/src/bin/nvmc.rs
index 624829863..a79385b98 100644
--- a/examples/nrf52840/src/bin/nvmc.rs
+++ b/examples/nrf52840/src/bin/nvmc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pdm.rs b/examples/nrf52840/src/bin/pdm.rs
index bff323974..52dadc805 100644
--- a/examples/nrf52840/src/bin/pdm.rs
+++ b/examples/nrf52840/src/bin/pdm.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pdm_continuous.rs b/examples/nrf52840/src/bin/pdm_continuous.rs
index 7d8531475..e948203a5 100644
--- a/examples/nrf52840/src/bin/pdm_continuous.rs
+++ b/examples/nrf52840/src/bin/pdm_continuous.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::cmp::Ordering;
diff --git a/examples/nrf52840/src/bin/ppi.rs b/examples/nrf52840/src/bin/ppi.rs
index d74ce4064..129ad06e7 100644
--- a/examples/nrf52840/src/bin/ppi.rs
+++ b/examples/nrf52840/src/bin/ppi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::future::pending;
diff --git a/examples/nrf52840/src/bin/pubsub.rs b/examples/nrf52840/src/bin/pubsub.rs
index 17d902227..5ebea9220 100644
--- a/examples/nrf52840/src/bin/pubsub.rs
+++ b/examples/nrf52840/src/bin/pubsub.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::unwrap;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm.rs b/examples/nrf52840/src/bin/pwm.rs
index 9750935c8..a5bb1347a 100644
--- a/examples/nrf52840/src/bin/pwm.rs
+++ b/examples/nrf52840/src/bin/pwm.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm_double_sequence.rs b/examples/nrf52840/src/bin/pwm_double_sequence.rs
index 1bfe6e15a..386c483b8 100644
--- a/examples/nrf52840/src/bin/pwm_double_sequence.rs
+++ b/examples/nrf52840/src/bin/pwm_double_sequence.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm_sequence.rs b/examples/nrf52840/src/bin/pwm_sequence.rs
index f282cf910..87eda265f 100644
--- a/examples/nrf52840/src/bin/pwm_sequence.rs
+++ b/examples/nrf52840/src/bin/pwm_sequence.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm_sequence_ppi.rs b/examples/nrf52840/src/bin/pwm_sequence_ppi.rs
index 6594fa348..60ea712b5 100644
--- a/examples/nrf52840/src/bin/pwm_sequence_ppi.rs
+++ b/examples/nrf52840/src/bin/pwm_sequence_ppi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::future::pending;
diff --git a/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs b/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
index 8596e6545..751cf4425 100644
--- a/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
+++ b/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm_servo.rs b/examples/nrf52840/src/bin/pwm_servo.rs
index 92ded1f88..d772d2f5d 100644
--- a/examples/nrf52840/src/bin/pwm_servo.rs
+++ b/examples/nrf52840/src/bin/pwm_servo.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/qdec.rs b/examples/nrf52840/src/bin/qdec.rs
index 59783d312..ea849be63 100644
--- a/examples/nrf52840/src/bin/qdec.rs
+++ b/examples/nrf52840/src/bin/qdec.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/qspi.rs b/examples/nrf52840/src/bin/qspi.rs
index 9e8a01f4e..4539dd0e3 100644
--- a/examples/nrf52840/src/bin/qspi.rs
+++ b/examples/nrf52840/src/bin/qspi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{assert_eq, info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/qspi_lowpower.rs b/examples/nrf52840/src/bin/qspi_lowpower.rs
index 42b5454e0..516c9b481 100644
--- a/examples/nrf52840/src/bin/qspi_lowpower.rs
+++ b/examples/nrf52840/src/bin/qspi_lowpower.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/rng.rs b/examples/nrf52840/src/bin/rng.rs
index 855743f50..326054c9a 100644
--- a/examples/nrf52840/src/bin/rng.rs
+++ b/examples/nrf52840/src/bin/rng.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_nrf::rng::Rng;
diff --git a/examples/nrf52840/src/bin/saadc.rs b/examples/nrf52840/src/bin/saadc.rs
index d651834f5..653b7d606 100644
--- a/examples/nrf52840/src/bin/saadc.rs
+++ b/examples/nrf52840/src/bin/saadc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/saadc_continuous.rs b/examples/nrf52840/src/bin/saadc_continuous.rs
index a5f8a4dd7..f76fa3570 100644
--- a/examples/nrf52840/src/bin/saadc_continuous.rs
+++ b/examples/nrf52840/src/bin/saadc_continuous.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/self_spawn.rs b/examples/nrf52840/src/bin/self_spawn.rs
index 8a58396a4..5bfefc2af 100644
--- a/examples/nrf52840/src/bin/self_spawn.rs
+++ b/examples/nrf52840/src/bin/self_spawn.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/self_spawn_current_executor.rs b/examples/nrf52840/src/bin/self_spawn_current_executor.rs
index 65d50f8c3..ec9569a64 100644
--- a/examples/nrf52840/src/bin/self_spawn_current_executor.rs
+++ b/examples/nrf52840/src/bin/self_spawn_current_executor.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/spim.rs b/examples/nrf52840/src/bin/spim.rs
index 9d1843a8f..131187660 100644
--- a/examples/nrf52840/src/bin/spim.rs
+++ b/examples/nrf52840/src/bin/spim.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/spis.rs b/examples/nrf52840/src/bin/spis.rs
index 77b6e8b64..613cd37ab 100644
--- a/examples/nrf52840/src/bin/spis.rs
+++ b/examples/nrf52840/src/bin/spis.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/temp.rs b/examples/nrf52840/src/bin/temp.rs
index d94dea38d..1d28f8ecf 100644
--- a/examples/nrf52840/src/bin/temp.rs
+++ b/examples/nrf52840/src/bin/temp.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/timer.rs b/examples/nrf52840/src/bin/timer.rs
index 9b9bb3eb4..365695a20 100644
--- a/examples/nrf52840/src/bin/timer.rs
+++ b/examples/nrf52840/src/bin/timer.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/twim.rs b/examples/nrf52840/src/bin/twim.rs
index 959e3a4be..a9a0765e8 100644
--- a/examples/nrf52840/src/bin/twim.rs
+++ b/examples/nrf52840/src/bin/twim.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/twim_lowpower.rs b/examples/nrf52840/src/bin/twim_lowpower.rs
index bf9f966ef..c743614b8 100644
--- a/examples/nrf52840/src/bin/twim_lowpower.rs
+++ b/examples/nrf52840/src/bin/twim_lowpower.rs
@@ -6,7 +6,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/twis.rs b/examples/nrf52840/src/bin/twis.rs
index aa42b679e..88bd4cceb 100644
--- a/examples/nrf52840/src/bin/twis.rs
+++ b/examples/nrf52840/src/bin/twis.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/uart.rs b/examples/nrf52840/src/bin/uart.rs
index 50d5cab8c..accaccea1 100644
--- a/examples/nrf52840/src/bin/uart.rs
+++ b/examples/nrf52840/src/bin/uart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/uart_idle.rs b/examples/nrf52840/src/bin/uart_idle.rs
index e1f42fa6c..fa93bcf21 100644
--- a/examples/nrf52840/src/bin/uart_idle.rs
+++ b/examples/nrf52840/src/bin/uart_idle.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/uart_split.rs b/examples/nrf52840/src/bin/uart_split.rs
index b748bfcd8..c7510a9a8 100644
--- a/examples/nrf52840/src/bin/uart_split.rs
+++ b/examples/nrf52840/src/bin/uart_split.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/usb_ethernet.rs b/examples/nrf52840/src/bin/usb_ethernet.rs
index b7806f418..3469c6e5f 100644
--- a/examples/nrf52840/src/bin/usb_ethernet.rs
+++ b/examples/nrf52840/src/bin/usb_ethernet.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
@@ -16,7 +15,7 @@ use embassy_usb::class::cdc_ncm::embassy_net::{Device, Runner, State as NetState
 use embassy_usb::class::cdc_ncm::{CdcNcmClass, State};
 use embassy_usb::{Builder, Config, UsbDevice};
 use embedded_io_async::Write;
-use static_cell::make_static;
+use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 bind_interrupts!(struct Irqs {
@@ -71,14 +70,19 @@ async fn main(spawner: Spawner) {
    config.device_protocol = 0x01;
    // Create embassy-usb DeviceBuilder using the driver and config.
+    static DEVICE_DESC: StaticCell<[u8; 256]> = StaticCell::new();
+    static CONFIG_DESC: StaticCell<[u8; 256]> = StaticCell::new();
+    static BOS_DESC: StaticCell<[u8; 256]> = StaticCell::new();
+    static MSOS_DESC: StaticCell<[u8; 128]> = StaticCell::new();
+    static CONTROL_BUF: StaticCell<[u8; 128]> = StaticCell::new();
    let mut builder = Builder::new(
        driver,
        config,
-        &mut make_static!([0; 256])[..],
+        &mut DEVICE_DESC.init([0; 256])[..],
-        &mut make_static!([0; 256])[..],
+        &mut CONFIG_DESC.init([0; 256])[..],
-        &mut make_static!([0; 256])[..],
+        &mut BOS_DESC.init([0; 256])[..],
-        &mut make_static!([0; 128])[..],
+        &mut MSOS_DESC.init([0; 128])[..],
-        &mut make_static!([0; 128])[..],
+        &mut CONTROL_BUF.init([0; 128])[..],
    );
    // Our MAC addr.
@@ -87,14 +91,16 @@ async fn main(spawner: Spawner) {
    let host_mac_addr = [0x88, 0x88, 0x88, 0x88, 0x88, 0x88];
    // Create classes on the builder.
-    let class = CdcNcmClass::new(&mut builder, make_static!(State::new()), host_mac_addr, 64);
+    static STATE: StaticCell<State> = StaticCell::new();
+    let class = CdcNcmClass::new(&mut builder, STATE.init(State::new()), host_mac_addr, 64);
    // Build the builder.
    let usb = builder.build();
    unwrap!(spawner.spawn(usb_task(usb)));
-    let (runner, device) = class.into_embassy_net_device::<MTU, 4, 4>(make_static!(NetState::new()), our_mac_addr);
+    static NET_STATE: StaticCell<NetState<MTU, 4, 4>> = StaticCell::new();
+    let (runner, device) = class.into_embassy_net_device::<MTU, 4, 4>(NET_STATE.init(NetState::new()), our_mac_addr);
    unwrap!(spawner.spawn(usb_ncm_task(runner)));
    let config = embassy_net::Config::dhcpv4(Default::default());
@@ -111,12 +117,9 @@ async fn main(spawner: Spawner) {
    let seed = u64::from_le_bytes(seed);
    // Init network stack
-    let stack = &*make_static!(Stack::new(
+    static RESOURCES: StaticCell<StackResources<2>> = StaticCell::new();
-        device,
+    static STACK: StaticCell<Stack<Device<'static, MTU>>> = StaticCell::new();
-        config,
+    let stack = &*STACK.init(Stack::new(device, config, RESOURCES.init(StackResources::new()), seed));
-        make_static!(StackResources::<2>::new()),
-        seed
-    ));
    unwrap!(spawner.spawn(net_task(stack)));
diff --git a/examples/nrf52840/src/bin/usb_hid_keyboard.rs b/examples/nrf52840/src/bin/usb_hid_keyboard.rs
index 7ccd2946a..45850b4a4 100644
--- a/examples/nrf52840/src/bin/usb_hid_keyboard.rs
+++ b/examples/nrf52840/src/bin/usb_hid_keyboard.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
 use core::sync::atomic::{AtomicBool, Ordering};
diff --git a/examples/nrf52840/src/bin/usb_hid_mouse.rs b/examples/nrf52840/src/bin/usb_hid_mouse.rs
index 96fcf8a66..04ad841b7 100644
--- a/examples/nrf52840/src/bin/usb_hid_mouse.rs
+++ b/examples/nrf52840/src/bin/usb_hid_mouse.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/usb_serial.rs b/examples/nrf52840/src/bin/usb_serial.rs
index dc95cde84..aff539b1b 100644
--- a/examples/nrf52840/src/bin/usb_serial.rs
+++ b/examples/nrf52840/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/usb_serial_multitask.rs b/examples/nrf52840/src/bin/usb_serial_multitask.rs
index cd4392903..4e8118fb8 100644
--- a/examples/nrf52840/src/bin/usb_serial_multitask.rs
+++ b/examples/nrf52840/src/bin/usb_serial_multitask.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
@@ -12,7 +11,7 @@ use embassy_nrf::{bind_interrupts, pac, peripherals, usb};
 use embassy_usb::class::cdc_acm::{CdcAcmClass, State};
 use embassy_usb::driver::EndpointError;
 use embassy_usb::{Builder, Config, UsbDevice};
-use static_cell::make_static;
+use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 bind_interrupts!(struct Irqs {
@@ -64,17 +63,23 @@ async fn main(spawner: Spawner) {
    config.device_protocol = 0x01;
    config.composite_with_iads = true;
-    let state = make_static!(State::new());
+    static STATE: StaticCell<State> = StaticCell::new();
+    let state = STATE.init(State::new());
    // Create embassy-usb DeviceBuilder using the driver and config.
+    static DEVICE_DESC: StaticCell<[u8; 256]> = StaticCell::new();
+    static CONFIG_DESC: StaticCell<[u8; 256]> = StaticCell::new();
+    static BOS_DESC: StaticCell<[u8; 256]> = StaticCell::new();
+    static MSOS_DESC: StaticCell<[u8; 128]> = StaticCell::new();
+    static CONTROL_BUF: StaticCell<[u8; 128]> = StaticCell::new();
    let mut builder = Builder::new(
        driver,
        config,
-        &mut make_static!([0; 256])[..],
+        &mut DEVICE_DESC.init([0; 256])[..],
-        &mut make_static!([0; 256])[..],
+        &mut CONFIG_DESC.init([0; 256])[..],
-        &mut make_static!([0; 256])[..],
+        &mut BOS_DESC.init([0; 256])[..],
-        &mut make_static!([0; 128])[..],
+        &mut MSOS_DESC.init([0; 128])[..],
-        &mut make_static!([0; 128])[..],
+        &mut CONTROL_BUF.init([0; 128])[..],
    );
    // Create classes on the builder.
diff --git a/examples/nrf52840/src/bin/usb_serial_winusb.rs b/examples/nrf52840/src/bin/usb_serial_winusb.rs
index 1d39d3841..060f9ba94 100644
--- a/examples/nrf52840/src/bin/usb_serial_winusb.rs
+++ b/examples/nrf52840/src/bin/usb_serial_winusb.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/wdt.rs b/examples/nrf52840/src/bin/wdt.rs
index 058746518..ede88cc26 100644
--- a/examples/nrf52840/src/bin/wdt.rs
+++ b/examples/nrf52840/src/bin/wdt.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/wifi_esp_hosted.rs b/examples/nrf52840/src/bin/wifi_esp_hosted.rs
index a60822fd9..fc2086f75 100644
--- a/examples/nrf52840/src/bin/wifi_esp_hosted.rs
+++ b/examples/nrf52840/src/bin/wifi_esp_hosted.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap, warn};
 use embassy_executor::Spawner;
@@ -13,7 +12,7 @@ use embassy_nrf::{bind_interrupts, peripherals};
 use embassy_time::Delay;
 use embedded_hal_bus::spi::ExclusiveDevice;
 use embedded_io_async::Write;
-use static_cell::make_static;
+use static_cell::StaticCell;
 use {defmt_rtt as _, embassy_net_esp_hosted as hosted, panic_probe as _};
 const WIFI_NETWORK: &str = "EmbassyTest";
@@ -61,8 +60,9 @@ async fn main(spawner: Spawner) {
    let spi = spim::Spim::new(p.SPI3, Irqs, sck, miso, mosi, config);
    let spi = ExclusiveDevice::new(spi, cs, Delay);
+    static ESP_STATE: StaticCell<embassy_net_esp_hosted::State> = StaticCell::new();
    let (device, mut control, runner) = embassy_net_esp_hosted::new(
-        make_static!(embassy_net_esp_hosted::State::new()),
+        ESP_STATE.init(embassy_net_esp_hosted::State::new()),
        spi,
        handshake,
        ready,
@@ -89,11 +89,13 @@ async fn main(spawner: Spawner) {
    let seed = u64::from_le_bytes(seed);
    // Init network stack
-    let stack = &*make_static!(Stack::new(
+    static RESOURCES: StaticCell<StackResources<2>> = StaticCell::new();
+    static STACK: StaticCell<Stack<hosted::NetDriver<'static>>> = StaticCell::new();
+    let stack = &*STACK.init(Stack::new(
        device,
        config,
-        make_static!(StackResources::<2>::new()),
+        RESOURCES.init(StackResources::<2>::new()),
-        seed
+        seed,
    ));
    unwrap!(spawner.spawn(net_task(stack)));