9 files changed, 39 insertions, 45 deletions

diff --git a/examples/std/Cargo.toml b/examples/std/Cargo.toml
index ccc0a4afc..f05565e84 100644
--- a/examples/std/Cargo.toml
+++ b/examples/std/Cargo.toml
@@ -6,9 +6,9 @@ license = "MIT OR Apache-2.0"
 
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["log"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-std", "executor-thread", "log", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.2", path = "../../embassy-time", features = ["log", "std", ] }
-embassy-net = { version = "0.2.0", path = "../../embassy-net", features=[ "std",  "log", "medium-ethernet", "medium-ip", "tcp", "udp", "dns", "dhcpv4", "proto-ipv6"] }
+embassy-executor = { version = "0.5.0", path = "../../embassy-executor", features = ["task-arena-size-32768", "arch-std", "executor-thread", "log", "integrated-timers"] }
+embassy-time = { version = "0.3.0", path = "../../embassy-time", features = ["log", "std", ] }
+embassy-net = { version = "0.4.0", path = "../../embassy-net", features=[ "std",  "log", "medium-ethernet", "medium-ip", "tcp", "udp", "dns", "dhcpv4", "proto-ipv6"] }
 embassy-net-tuntap = { version = "0.1.0", path = "../../embassy-net-tuntap" }
 embassy-net-ppp = { version = "0.1.0", path = "../../embassy-net-ppp", features = ["log"]}
 embedded-io-async = { version = "0.6.1" }
@@ -23,7 +23,7 @@ nix = "0.26.2"
 clap = { version = "3.0.0-beta.5", features = ["derive"] }
 rand_core = { version = "0.6.3", features = ["std"] }
 heapless = { version = "0.8", default-features = false }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 
 [profile.release]
 debug = 2
diff --git a/examples/std/README.md b/examples/std/README.md
index adc795928..e3a59d6ea 100644
--- a/examples/std/README.md
+++ b/examples/std/README.md
@@ -13,11 +13,11 @@ sudo ip -6 route add fe80::/64 dev tap0
 sudo ip -6 route add fdaa::/64 dev tap0
 ```
 
-Second, have something listening there. For example `nc -l 8000`
+Second, have something listening there. For example `nc -lp 8000`
 
 Then run the example located in the `examples` folder:
 
 ```sh
 cd $EMBASSY_ROOT/examples/std/
 cargo run --bin net -- --static-ip
-```
\ No newline at end of file
+```
diff --git a/examples/std/src/bin/net.rs b/examples/std/src/bin/net.rs
index 8d8345057..59813d8cb 100644
--- a/examples/std/src/bin/net.rs
+++ b/examples/std/src/bin/net.rs
@@ -1,7 +1,3 @@
-#![feature(type_alias_impl_trait)]
-
-use std::default::Default;
-
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
 use embassy_net::tcp::TcpSocket;
@@ -12,7 +8,7 @@ use embedded_io_async::Write;
 use heapless::Vec;
 use log::*;
 use rand_core::{OsRng, RngCore};
-use static_cell::{make_static, StaticCell};
+use static_cell::StaticCell;
 
 #[derive(Parser)]
 #[clap(version = "1.0")]
@@ -54,11 +50,13 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    let stack = &*make_static!(Stack::new(
+    static STACK: StaticCell<Stack<TunTapDevice>> = StaticCell::new();
+    static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
+    let stack = &*STACK.init(Stack::new(
         device,
         config,
-        make_static!(StackResources::<3>::new()),
-        seed
+        RESOURCES.init(StackResources::<3>::new()),
+        seed,
     ));
 
     // Launch network task
diff --git a/examples/std/src/bin/net_dns.rs b/examples/std/src/bin/net_dns.rs
index 6c19874d5..3b6a3de37 100644
--- a/examples/std/src/bin/net_dns.rs
+++ b/examples/std/src/bin/net_dns.rs
@@ -1,7 +1,3 @@
-#![feature(type_alias_impl_trait)]
-
-use std::default::Default;
-
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
 use embassy_net::dns::DnsQueryType;
@@ -10,7 +6,7 @@ use embassy_net_tuntap::TunTapDevice;
 use heapless::Vec;
 use log::*;
 use rand_core::{OsRng, RngCore};
-use static_cell::{make_static, StaticCell};
+use static_cell::StaticCell;
 
 #[derive(Parser)]
 #[clap(version = "1.0")]
@@ -53,11 +49,13 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    let stack: &Stack<_> = &*make_static!(Stack::new(
+    static STACK: StaticCell<Stack<TunTapDevice>> = StaticCell::new();
+    static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
+    let stack: &Stack<_> = &*STACK.init(Stack::new(
         device,
         config,
-        make_static!(StackResources::<3>::new()),
-        seed
+        RESOURCES.init(StackResources::<3>::new()),
+        seed,
     ));
 
     // Launch network task
diff --git a/examples/std/src/bin/net_ppp.rs b/examples/std/src/bin/net_ppp.rs
index cee04e558..9ec0ea91f 100644
--- a/examples/std/src/bin/net_ppp.rs
+++ b/examples/std/src/bin/net_ppp.rs
@@ -7,7 +7,6 @@
 //!     ping 192.168.7.10
 //!     nc 192.168.7.10 1234
 
-#![feature(type_alias_impl_trait)]
 #![allow(async_fn_in_trait)]
 
 #[path = "../serial_port.rs"]
@@ -25,7 +24,7 @@ use heapless::Vec;
 use log::*;
 use nix::sys::termios;
 use rand_core::{OsRng, RngCore};
-use static_cell::{make_static, StaticCell};
+use static_cell::StaticCell;
 
 use crate::serial_port::SerialPort;
 
@@ -88,7 +87,8 @@ async fn main_task(spawner: Spawner) {
     let port = SerialPort::new(opts.device.as_str(), baudrate).unwrap();
 
     // Init network device
-    let state = make_static!(embassy_net_ppp::State::<4, 4>::new());
+    static STATE: StaticCell<embassy_net_ppp::State<4, 4>> = StaticCell::new();
+    let state = STATE.init(embassy_net_ppp::State::<4, 4>::new());
     let (device, runner) = embassy_net_ppp::new(state);
 
     // Generate random seed
@@ -97,11 +97,13 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    let stack = &*make_static!(Stack::new(
+    static STACK: StaticCell<Stack<embassy_net_ppp::Device<'static>>> = StaticCell::new();
+    static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
+    let stack = &*STACK.init(Stack::new(
         device,
         Config::default(), // don't configure IP yet
-        make_static!(StackResources::<3>::new()),
-        seed
+        RESOURCES.init(StackResources::<3>::new()),
+        seed,
     ));
 
     // Launch network task
diff --git a/examples/std/src/bin/net_udp.rs b/examples/std/src/bin/net_udp.rs
index 98dcc9925..bee91990d 100644
--- a/examples/std/src/bin/net_udp.rs
+++ b/examples/std/src/bin/net_udp.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
-
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
 use embassy_net::udp::{PacketMetadata, UdpSocket};
@@ -8,7 +6,7 @@ use embassy_net_tuntap::TunTapDevice;
 use heapless::Vec;
 use log::*;
 use rand_core::{OsRng, RngCore};
-use static_cell::{make_static, StaticCell};
+use static_cell::StaticCell;
 
 #[derive(Parser)]
 #[clap(version = "1.0")]
@@ -50,11 +48,13 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    let stack = &*make_static!(Stack::new(
+    static STACK: StaticCell<Stack<TunTapDevice>> = StaticCell::new();
+    static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
+    let stack = &*STACK.init(Stack::new(
         device,
         config,
-        make_static!(StackResources::<3>::new()),
-        seed
+        RESOURCES.init(StackResources::<3>::new()),
+        seed,
     ));
 
     // Launch network task
diff --git a/examples/std/src/bin/serial.rs b/examples/std/src/bin/serial.rs
index 0b289c74d..10c85511d 100644
--- a/examples/std/src/bin/serial.rs
+++ b/examples/std/src/bin/serial.rs
@@ -1,10 +1,9 @@
-#![feature(type_alias_impl_trait)]
-
 #[path = "../serial_port.rs"]
 mod serial_port;
 
 use async_io::Async;
 use embassy_executor::Executor;
+use embassy_time as _;
 use embedded_io_async::Read;
 use log::*;
 use nix::sys::termios;
diff --git a/examples/std/src/bin/tcp_accept.rs b/examples/std/src/bin/tcp_accept.rs
index 79fa375cd..e8b6eaa6c 100644
--- a/examples/std/src/bin/tcp_accept.rs
+++ b/examples/std/src/bin/tcp_accept.rs
@@ -1,7 +1,4 @@
-#![feature(type_alias_impl_trait)]
-
 use core::fmt::Write as _;
-use std::default::Default;
 
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
@@ -13,7 +10,7 @@ use embedded_io_async::Write as _;
 use heapless::Vec;
 use log::*;
 use rand_core::{OsRng, RngCore};
-use static_cell::{make_static, StaticCell};
+use static_cell::StaticCell;
 
 #[derive(Parser)]
 #[clap(version = "1.0")]
@@ -65,11 +62,13 @@ async fn main_task(spawner: Spawner) {
     let seed = u64::from_le_bytes(seed);
 
     // Init network stack
-    let stack = &*make_static!(Stack::new(
+    static STACK: StaticCell<Stack<TunTapDevice>> = StaticCell::new();
+    static RESOURCES: StaticCell<StackResources<3>> = StaticCell::new();
+    let stack = &*STACK.init(Stack::new(
         device,
         config,
-        make_static!(StackResources::<3>::new()),
-        seed
+        RESOURCES.init(StackResources::<3>::new()),
+        seed,
     ));
 
     // Launch network task
diff --git a/examples/std/src/bin/tick.rs b/examples/std/src/bin/tick.rs
index a3f99067e..f23cf3549 100644
--- a/examples/std/src/bin/tick.rs
+++ b/examples/std/src/bin/tick.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
-
 use embassy_executor::Spawner;
 use embassy_time::Timer;
 use log::*;