Merge branch 'main' of https://github.com/embassy-rs/embassy into can

15 files changed, 132 insertions, 151 deletions

diff --git a/examples/rp/Cargo.toml b/examples/rp/Cargo.toml
index 58b701915..48f3a26bb 100644
--- a/examples/rp/Cargo.toml
+++ b/examples/rp/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal", features = ["defmt"] }
 embassy-sync = { version = "0.2.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.2.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.2.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime"] }
 embassy-rp = { version = "0.1.0", path = "../../embassy-rp", features = ["defmt", "unstable-traits", "nightly", "unstable-pac", "time-driver", "critical-section-impl"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
@@ -45,7 +45,7 @@ embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
 embedded-hal-async = "0.2.0-alpha.1"
 embedded-io = { version = "0.4.0", features = ["async", "defmt"] }
 embedded-storage = { version = "0.3" }
-static_cell = "1.0.0"
+static_cell = { version = "1.1", features = ["nightly"]}
 log = "0.4"
 pio-proc = "0.2"
 pio = "0.2.1"
diff --git a/examples/rp/src/bin/button.rs b/examples/rp/src/bin/button.rs
index c5422c616..0d246c093 100644
--- a/examples/rp/src/bin/button.rs
+++ b/examples/rp/src/bin/button.rs
@@ -9,9 +9,12 @@ use {defmt_rtt as _, panic_probe as _};
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_rp::init(Default::default());
-    let button = Input::new(p.PIN_28, Pull::Up);
     let mut led = Output::new(p.PIN_25, Level::Low);
 
+    // Use PIN_28, Pin34 on J0 for RP Pico, as a input.
+    // You need to add your own button.
+    let button = Input::new(p.PIN_28, Pull::Up);
+
     loop {
         if button.is_high() {
             led.set_high();
diff --git a/examples/rp/src/bin/ethernet_w5500_multisocket.rs b/examples/rp/src/bin/ethernet_w5500_multisocket.rs
index c8e6d46a6..82568254a 100644
--- a/examples/rp/src/bin/ethernet_w5500_multisocket.rs
+++ b/examples/rp/src/bin/ethernet_w5500_multisocket.rs
@@ -19,18 +19,9 @@ use embassy_time::Duration;
 use embedded_hal_async::spi::ExclusiveDevice;
 use embedded_io::asynch::Write;
 use rand::RngCore;
-use static_cell::StaticCell;
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
 
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        let (x,) = STATIC_CELL.init(($val,));
-        x
-    }};
-}
-
 #[embassy_executor::task]
 async fn ethernet_task(
     runner: Runner<
@@ -62,7 +53,7 @@ async fn main(spawner: Spawner) {
     let w5500_reset = Output::new(p.PIN_20, Level::High);
 
     let mac_addr = [0x02, 0x00, 0x00, 0x00, 0x00, 0x00];
-    let state = singleton!(State::<8, 8>::new());
+    let state = make_static!(State::<8, 8>::new());
     let (device, runner) =
         embassy_net_w5500::new(mac_addr, state, ExclusiveDevice::new(spi, cs), w5500_int, w5500_reset).await;
     unwrap!(spawner.spawn(ethernet_task(runner)));
@@ -71,10 +62,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    let stack = &*singleton!(Stack::new(
+    let stack = &*make_static!(Stack::new(
         device,
-        embassy_net::Config::Dhcp(Default::default()),
-        singleton!(StackResources::<3>::new()),
+        embassy_net::Config::dhcpv4(Default::default()),
+        make_static!(StackResources::<3>::new()),
         seed
     ));
 
@@ -129,9 +120,9 @@ async fn listen_task(stack: &'static Stack<Device<'static>>, id: u8, port: u16)
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfig {
+async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
     loop {
-        if let Some(config) = stack.config() {
+        if let Some(config) = stack.config_v4() {
             return config.clone();
         }
         yield_now().await;
diff --git a/examples/rp/src/bin/ethernet_w5500_tcp_client.rs b/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
index 9a7c3ad19..d562defad 100644
--- a/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
+++ b/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
@@ -21,18 +21,9 @@ use embassy_time::{Duration, Timer};
 use embedded_hal_async::spi::ExclusiveDevice;
 use embedded_io::asynch::Write;
 use rand::RngCore;
-use static_cell::StaticCell;
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
 
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        let (x,) = STATIC_CELL.init(($val,));
-        x
-    }};
-}
-
 #[embassy_executor::task]
 async fn ethernet_task(
     runner: Runner<
@@ -65,7 +56,7 @@ async fn main(spawner: Spawner) {
     let w5500_reset = Output::new(p.PIN_20, Level::High);
 
     let mac_addr = [0x02, 0x00, 0x00, 0x00, 0x00, 0x00];
-    let state = singleton!(State::<8, 8>::new());
+    let state = make_static!(State::<8, 8>::new());
     let (device, runner) =
         embassy_net_w5500::new(mac_addr, state, ExclusiveDevice::new(spi, cs), w5500_int, w5500_reset).await;
     unwrap!(spawner.spawn(ethernet_task(runner)));
@@ -74,10 +65,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    let stack = &*singleton!(Stack::new(
+    let stack = &*make_static!(Stack::new(
         device,
-        embassy_net::Config::Dhcp(Default::default()),
-        singleton!(StackResources::<2>::new()),
+        embassy_net::Config::dhcpv4(Default::default()),
+        make_static!(StackResources::<2>::new()),
         seed
     ));
 
@@ -117,9 +108,9 @@ async fn main(spawner: Spawner) {
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfig {
+async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
     loop {
-        if let Some(config) = stack.config() {
+        if let Some(config) = stack.config_v4() {
             return config.clone();
         }
         yield_now().await;
diff --git a/examples/rp/src/bin/ethernet_w5500_tcp_server.rs b/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
index f02543246..7f521cdb4 100644
--- a/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
+++ b/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
@@ -20,18 +20,8 @@ use embassy_time::Duration;
 use embedded_hal_async::spi::ExclusiveDevice;
 use embedded_io::asynch::Write;
 use rand::RngCore;
-use static_cell::StaticCell;
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
-
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        let (x,) = STATIC_CELL.init(($val,));
-        x
-    }};
-}
-
 #[embassy_executor::task]
 async fn ethernet_task(
     runner: Runner<
@@ -64,7 +54,7 @@ async fn main(spawner: Spawner) {
     let w5500_reset = Output::new(p.PIN_20, Level::High);
 
     let mac_addr = [0x02, 0x00, 0x00, 0x00, 0x00, 0x00];
-    let state = singleton!(State::<8, 8>::new());
+    let state = make_static!(State::<8, 8>::new());
     let (device, runner) =
         embassy_net_w5500::new(mac_addr, state, ExclusiveDevice::new(spi, cs), w5500_int, w5500_reset).await;
     unwrap!(spawner.spawn(ethernet_task(runner)));
@@ -73,10 +63,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    let stack = &*singleton!(Stack::new(
+    let stack = &*make_static!(Stack::new(
         device,
-        embassy_net::Config::Dhcp(Default::default()),
-        singleton!(StackResources::<2>::new()),
+        embassy_net::Config::dhcpv4(Default::default()),
+        make_static!(StackResources::<2>::new()),
         seed
     ));
 
@@ -126,9 +116,9 @@ async fn main(spawner: Spawner) {
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfig {
+async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
     loop {
-        if let Some(config) = stack.config() {
+        if let Some(config) = stack.config_v4() {
             return config.clone();
         }
         yield_now().await;
diff --git a/examples/rp/src/bin/ethernet_w5500_udp.rs b/examples/rp/src/bin/ethernet_w5500_udp.rs
index 2c54f711e..ada86ae55 100644
--- a/examples/rp/src/bin/ethernet_w5500_udp.rs
+++ b/examples/rp/src/bin/ethernet_w5500_udp.rs
@@ -18,18 +18,8 @@ use embassy_rp::peripherals::{PIN_17, PIN_20, PIN_21, SPI0};
 use embassy_rp::spi::{Async, Config as SpiConfig, Spi};
 use embedded_hal_async::spi::ExclusiveDevice;
 use rand::RngCore;
-use static_cell::StaticCell;
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
-
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        let (x,) = STATIC_CELL.init(($val,));
-        x
-    }};
-}
-
 #[embassy_executor::task]
 async fn ethernet_task(
     runner: Runner<
@@ -61,7 +51,7 @@ async fn main(spawner: Spawner) {
     let w5500_reset = Output::new(p.PIN_20, Level::High);
 
     let mac_addr = [0x02, 0x00, 0x00, 0x00, 0x00, 0x00];
-    let state = singleton!(State::<8, 8>::new());
+    let state = make_static!(State::<8, 8>::new());
     let (device, runner) =
         embassy_net_w5500::new(mac_addr, state, ExclusiveDevice::new(spi, cs), w5500_int, w5500_reset).await;
     unwrap!(spawner.spawn(ethernet_task(runner)));
@@ -70,10 +60,10 @@ async fn main(spawner: Spawner) {
     let seed = rng.next_u64();
 
     // Init network stack
-    let stack = &*singleton!(Stack::new(
+    let stack = &*make_static!(Stack::new(
         device,
-        embassy_net::Config::Dhcp(Default::default()),
-        singleton!(StackResources::<2>::new()),
+        embassy_net::Config::dhcpv4(Default::default()),
+        make_static!(StackResources::<2>::new()),
         seed
     ));
 
@@ -105,9 +95,9 @@ async fn main(spawner: Spawner) {
     }
 }
 
-async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfig {
+async fn wait_for_config(stack: &'static Stack<Device<'static>>) -> embassy_net::StaticConfigV4 {
     loop {
-        if let Some(config) = stack.config() {
+        if let Some(config) = stack.config_v4() {
             return config.clone();
         }
         yield_now().await;
diff --git a/examples/rp/src/bin/lora_p2p_send_multicore.rs b/examples/rp/src/bin/lora_p2p_send_multicore.rs
index 5585606d8..eef2f7a53 100644
--- a/examples/rp/src/bin/lora_p2p_send_multicore.rs
+++ b/examples/rp/src/bin/lora_p2p_send_multicore.rs
@@ -7,7 +7,6 @@
 
 use defmt::*;
 use embassy_executor::Executor;
-use embassy_executor::_export::StaticCell;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_rp::gpio::{AnyPin, Input, Level, Output, Pin, Pull};
 use embassy_rp::multicore::{spawn_core1, Stack};
@@ -19,6 +18,7 @@ use embassy_time::{Delay, Duration, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
+use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
 static mut CORE1_STACK: Stack<4096> = Stack::new();
diff --git a/examples/rp/src/bin/multicore.rs b/examples/rp/src/bin/multicore.rs
index 376b2b61e..57278dd6c 100644
--- a/examples/rp/src/bin/multicore.rs
+++ b/examples/rp/src/bin/multicore.rs
@@ -4,13 +4,13 @@
 
 use defmt::*;
 use embassy_executor::Executor;
-use embassy_executor::_export::StaticCell;
 use embassy_rp::gpio::{Level, Output};
 use embassy_rp::multicore::{spawn_core1, Stack};
 use embassy_rp::peripherals::PIN_25;
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_sync::channel::Channel;
 use embassy_time::{Duration, Timer};
+use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
 static mut CORE1_STACK: Stack<4096> = Stack::new();
diff --git a/examples/rp/src/bin/multiprio.rs b/examples/rp/src/bin/multiprio.rs
index 2f79ba49e..9ace4cd68 100644
--- a/examples/rp/src/bin/multiprio.rs
+++ b/examples/rp/src/bin/multiprio.rs
@@ -57,14 +57,11 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 
-use core::mem;
-
-use cortex_m::peripheral::NVIC;
 use cortex_m_rt::entry;
 use defmt::{info, unwrap};
-use embassy_rp::executor::{Executor, InterruptExecutor};
+use embassy_executor::{Executor, InterruptExecutor};
 use embassy_rp::interrupt;
-use embassy_rp::pac::Interrupt;
+use embassy_rp::interrupt::{InterruptExt, Priority};
 use embassy_time::{Duration, Instant, Timer, TICK_HZ};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
@@ -130,18 +127,15 @@ fn main() -> ! {
     info!("Hello World!");
 
     let _p = embassy_rp::init(Default::default());
-    let mut nvic: NVIC = unsafe { mem::transmute(()) };
 
     // High-priority executor: SWI_IRQ_1, priority level 2
-    unsafe { nvic.set_priority(Interrupt::SWI_IRQ_1, 2 << 6) };
-    info!("bla: {}", NVIC::get_priority(Interrupt::SWI_IRQ_1));
-    let spawner = EXECUTOR_HIGH.start(Interrupt::SWI_IRQ_1);
+    interrupt::SWI_IRQ_1.set_priority(Priority::P2);
+    let spawner = EXECUTOR_HIGH.start(interrupt::SWI_IRQ_1);
     unwrap!(spawner.spawn(run_high()));
 
     // Medium-priority executor: SWI_IRQ_0, priority level 3
-    unsafe { nvic.set_priority(Interrupt::SWI_IRQ_0, 3 << 6) };
-    info!("bla: {}", NVIC::get_priority(Interrupt::SWI_IRQ_0));
-    let spawner = EXECUTOR_MED.start(Interrupt::SWI_IRQ_0);
+    interrupt::SWI_IRQ_0.set_priority(Priority::P3);
+    let spawner = EXECUTOR_MED.start(interrupt::SWI_IRQ_0);
     unwrap!(spawner.spawn(run_med()));
 
     // Low priority executor: runs in thread mode, using WFE/SEV
diff --git a/examples/rp/src/bin/uart_buffered_split.rs b/examples/rp/src/bin/uart_buffered_split.rs
index d6f01b4de..9df99bd58 100644
--- a/examples/rp/src/bin/uart_buffered_split.rs
+++ b/examples/rp/src/bin/uart_buffered_split.rs
@@ -4,34 +4,25 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_executor::_export::StaticCell;
 use embassy_rp::bind_interrupts;
 use embassy_rp::peripherals::UART0;
 use embassy_rp::uart::{BufferedInterruptHandler, BufferedUart, BufferedUartRx, Config};
 use embassy_time::{Duration, Timer};
 use embedded_io::asynch::{Read, Write};
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
     UART0_IRQ => BufferedInterruptHandler<UART0>;
 });
 
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        let (x,) = STATIC_CELL.init(($val,));
-        x
-    }};
-}
-
 #[embassy_executor::main]
 async fn main(spawner: Spawner) {
     let p = embassy_rp::init(Default::default());
     let (tx_pin, rx_pin, uart) = (p.PIN_0, p.PIN_1, p.UART0);
 
-    let tx_buf = &mut singleton!([0u8; 16])[..];
-    let rx_buf = &mut singleton!([0u8; 16])[..];
+    let tx_buf = &mut make_static!([0u8; 16])[..];
+    let rx_buf = &mut make_static!([0u8; 16])[..];
     let uart = BufferedUart::new(uart, Irqs, tx_pin, rx_pin, tx_buf, rx_buf, Config::default());
     let (rx, mut tx) = uart.split();
 
diff --git a/examples/rp/src/bin/usb_ethernet.rs b/examples/rp/src/bin/usb_ethernet.rs
index 38ff1620d..91d1ec8e7 100644
--- a/examples/rp/src/bin/usb_ethernet.rs
+++ b/examples/rp/src/bin/usb_ethernet.rs
@@ -13,7 +13,7 @@ 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::asynch::Write;
-use static_cell::StaticCell;
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -22,15 +22,6 @@ bind_interrupts!(struct Irqs {
 
 type MyDriver = Driver<'static, peripherals::USB>;
 
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        let (x,) = STATIC_CELL.init(($val,));
-        x
-    }};
-}
-
 const MTU: usize = 1514;
 
 #[embassy_executor::task]
@@ -73,10 +64,10 @@ async fn main(spawner: Spawner) {
     let mut builder = Builder::new(
         driver,
         config,
-        &mut singleton!([0; 256])[..],
-        &mut singleton!([0; 256])[..],
-        &mut singleton!([0; 256])[..],
-        &mut singleton!([0; 128])[..],
+        &mut make_static!([0; 256])[..],
+        &mut make_static!([0; 256])[..],
+        &mut make_static!([0; 256])[..],
+        &mut make_static!([0; 128])[..],
     );
 
     // Our MAC addr.
@@ -85,18 +76,18 @@ 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, singleton!(State::new()), host_mac_addr, 64);
+    let class = CdcNcmClass::new(&mut builder, make_static!(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>(singleton!(NetState::new()), our_mac_addr);
+    let (runner, device) = class.into_embassy_net_device::<MTU, 4, 4>(make_static!(NetState::new()), our_mac_addr);
     unwrap!(spawner.spawn(usb_ncm_task(runner)));
 
-    let config = embassy_net::Config::Dhcp(Default::default());
-    //let config = embassy_net::Config::Static(embassy_net::StaticConfig {
+    let config = embassy_net::Config::dhcpv4(Default::default());
+    //let config = embassy_net::Config::ipv4_static(embassy_net::StaticConfigV4 {
     //    address: Ipv4Cidr::new(Ipv4Address::new(10, 42, 0, 61), 24),
     //    dns_servers: Vec::new(),
     //    gateway: Some(Ipv4Address::new(10, 42, 0, 1)),
@@ -106,7 +97,12 @@ async fn main(spawner: Spawner) {
     let seed = 1234; // guaranteed random, chosen by a fair dice roll
 
     // Init network stack
-    let stack = &*singleton!(Stack::new(device, config, singleton!(StackResources::<2>::new()), seed));
+    let stack = &*make_static!(Stack::new(
+        device,
+        config,
+        make_static!(StackResources::<2>::new()),
+        seed
+    ));
 
     unwrap!(spawner.spawn(net_task(stack)));
 
diff --git a/examples/rp/src/bin/wifi_ap_tcp_server.rs b/examples/rp/src/bin/wifi_ap_tcp_server.rs
index 15264524e..e8197390c 100644
--- a/examples/rp/src/bin/wifi_ap_tcp_server.rs
+++ b/examples/rp/src/bin/wifi_ap_tcp_server.rs
@@ -16,17 +16,9 @@ use embassy_rp::peripherals::{DMA_CH0, PIN_23, PIN_25, PIO0};
 use embassy_rp::pio::Pio;
 use embassy_time::Duration;
 use embedded_io::asynch::Write;
-use static_cell::StaticCell;
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
 
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        STATIC_CELL.init_with(move || $val)
-    }};
-}
-
 #[embassy_executor::task]
 async fn wifi_task(
     runner: cyw43::Runner<'static, Output<'static, PIN_23>, PioSpi<'static, PIN_25, PIO0, 0, DMA_CH0>>,
@@ -60,7 +52,7 @@ async fn main(spawner: Spawner) {
     let mut pio = Pio::new(p.PIO0);
     let spi = PioSpi::new(&mut pio.common, pio.sm0, pio.irq0, cs, p.PIN_24, p.PIN_29, p.DMA_CH0);
 
-    let state = singleton!(cyw43::State::new());
+    let state = make_static!(cyw43::State::new());
     let (net_device, mut control, runner) = cyw43::new(state, pwr, spi, fw).await;
     unwrap!(spawner.spawn(wifi_task(runner)));
 
@@ -70,7 +62,7 @@ async fn main(spawner: Spawner) {
         .await;
 
     // Use a link-local address for communication without DHCP server
-    let config = Config::Static(embassy_net::StaticConfig {
+    let config = Config::ipv4_static(embassy_net::StaticConfigV4 {
         address: embassy_net::Ipv4Cidr::new(embassy_net::Ipv4Address::new(169, 254, 1, 1), 16),
         dns_servers: heapless::Vec::new(),
         gateway: None,
@@ -80,10 +72,10 @@ async fn main(spawner: Spawner) {
     let seed = 0x0123_4567_89ab_cdef; // chosen by fair dice roll. guarenteed to be random.
 
     // Init network stack
-    let stack = &*singleton!(Stack::new(
+    let stack = &*make_static!(Stack::new(
         net_device,
         config,
-        singleton!(StackResources::<2>::new()),
+        make_static!(StackResources::<2>::new()),
         seed
     ));
 
diff --git a/examples/rp/src/bin/wifi_blinky.rs b/examples/rp/src/bin/wifi_blinky.rs
new file mode 100644
index 000000000..be965807b
--- /dev/null
+++ b/examples/rp/src/bin/wifi_blinky.rs
@@ -0,0 +1,59 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use cyw43_pio::PioSpi;
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_rp::gpio::{Level, Output};
+use embassy_rp::peripherals::{DMA_CH0, PIN_23, PIN_25, PIO0};
+use embassy_rp::pio::Pio;
+use embassy_time::{Duration, Timer};
+use static_cell::make_static;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::task]
+async fn wifi_task(
+    runner: cyw43::Runner<'static, Output<'static, PIN_23>, PioSpi<'static, PIN_25, PIO0, 0, DMA_CH0>>,
+) -> ! {
+    runner.run().await
+}
+
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+    let fw = include_bytes!("../../../../cyw43-firmware/43439A0.bin");
+    let clm = include_bytes!("../../../../cyw43-firmware/43439A0_clm.bin");
+
+    // To make flashing faster for development, you may want to flash the firmwares independently
+    // at hardcoded addresses, instead of baking them into the program with `include_bytes!`:
+    //     probe-rs-cli download 43439A0.bin --format bin --chip RP2040 --base-address 0x10100000
+    //     probe-rs-cli download 43439A0_clm.bin --format bin --chip RP2040 --base-address 0x10140000
+    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 224190) };
+    //let clm = unsafe { core::slice::from_raw_parts(0x10140000 as *const u8, 4752) };
+
+    let pwr = Output::new(p.PIN_23, Level::Low);
+    let cs = Output::new(p.PIN_25, Level::High);
+    let mut pio = Pio::new(p.PIO0);
+    let spi = PioSpi::new(&mut pio.common, pio.sm0, pio.irq0, cs, p.PIN_24, p.PIN_29, p.DMA_CH0);
+
+    let state = make_static!(cyw43::State::new());
+    let (_net_device, mut control, runner) = cyw43::new(state, pwr, spi, fw).await;
+    unwrap!(spawner.spawn(wifi_task(runner)));
+
+    control.init(clm).await;
+    control
+        .set_power_management(cyw43::PowerManagementMode::PowerSave)
+        .await;
+
+    let delay = Duration::from_secs(1);
+    loop {
+        info!("led on!");
+        control.gpio_set(0, true).await;
+        Timer::after(delay).await;
+
+        info!("led off!");
+        control.gpio_set(0, false).await;
+        Timer::after(delay).await;
+    }
+}
diff --git a/examples/rp/src/bin/wifi_scan.rs b/examples/rp/src/bin/wifi_scan.rs
index aa5e5a399..79534f229 100644
--- a/examples/rp/src/bin/wifi_scan.rs
+++ b/examples/rp/src/bin/wifi_scan.rs
@@ -13,17 +13,9 @@ use embassy_net::Stack;
 use embassy_rp::gpio::{Level, Output};
 use embassy_rp::peripherals::{DMA_CH0, PIN_23, PIN_25, PIO0};
 use embassy_rp::pio::Pio;
-use static_cell::StaticCell;
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
 
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        STATIC_CELL.init_with(move || $val)
-    }};
-}
-
 #[embassy_executor::task]
 async fn wifi_task(
     runner: cyw43::Runner<'static, Output<'static, PIN_23>, PioSpi<'static, PIN_25, PIO0, 0, DMA_CH0>>,
@@ -57,7 +49,7 @@ async fn main(spawner: Spawner) {
     let mut pio = Pio::new(p.PIO0);
     let spi = PioSpi::new(&mut pio.common, pio.sm0, pio.irq0, cs, p.PIN_24, p.PIN_29, p.DMA_CH0);
 
-    let state = singleton!(cyw43::State::new());
+    let state = make_static!(cyw43::State::new());
     let (_net_device, mut control, runner) = cyw43::new(state, pwr, spi, fw).await;
     unwrap!(spawner.spawn(wifi_task(runner)));
 
diff --git a/examples/rp/src/bin/wifi_tcp_server.rs b/examples/rp/src/bin/wifi_tcp_server.rs
index eafa25f68..026e056fa 100644
--- a/examples/rp/src/bin/wifi_tcp_server.rs
+++ b/examples/rp/src/bin/wifi_tcp_server.rs
@@ -16,17 +16,9 @@ use embassy_rp::peripherals::{DMA_CH0, PIN_23, PIN_25, PIO0};
 use embassy_rp::pio::Pio;
 use embassy_time::Duration;
 use embedded_io::asynch::Write;
-use static_cell::StaticCell;
+use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
 
-macro_rules! singleton {
-    ($val:expr) => {{
-        type T = impl Sized;
-        static STATIC_CELL: StaticCell<T> = StaticCell::new();
-        STATIC_CELL.init_with(move || $val)
-    }};
-}
-
 #[embassy_executor::task]
 async fn wifi_task(
     runner: cyw43::Runner<'static, Output<'static, PIN_23>, PioSpi<'static, PIN_25, PIO0, 0, DMA_CH0>>,
@@ -60,7 +52,7 @@ async fn main(spawner: Spawner) {
     let mut pio = Pio::new(p.PIO0);
     let spi = PioSpi::new(&mut pio.common, pio.sm0, pio.irq0, cs, p.PIN_24, p.PIN_29, p.DMA_CH0);
 
-    let state = singleton!(cyw43::State::new());
+    let state = make_static!(cyw43::State::new());
     let (net_device, mut control, runner) = cyw43::new(state, pwr, spi, fw).await;
     unwrap!(spawner.spawn(wifi_task(runner)));
 
@@ -69,8 +61,8 @@ async fn main(spawner: Spawner) {
         .set_power_management(cyw43::PowerManagementMode::PowerSave)
         .await;
 
-    let config = Config::Dhcp(Default::default());
-    //let config = embassy_net::Config::Static(embassy_net::Config {
+    let config = Config::dhcpv4(Default::default());
+    //let config = embassy_net::Config::ipv4_static(embassy_net::StaticConfigV4 {
     //    address: Ipv4Cidr::new(Ipv4Address::new(192, 168, 69, 2), 24),
     //    dns_servers: Vec::new(),
     //    gateway: Some(Ipv4Address::new(192, 168, 69, 1)),
@@ -80,10 +72,10 @@ async fn main(spawner: Spawner) {
     let seed = 0x0123_4567_89ab_cdef; // chosen by fair dice roll. guarenteed to be random.
 
     // Init network stack
-    let stack = &*singleton!(Stack::new(
+    let stack = &*make_static!(Stack::new(
         net_device,
         config,
-        singleton!(StackResources::<2>::new()),
+        make_static!(StackResources::<2>::new()),
         seed
     ));