Attepted to switch to the embassy framework

Cargo.toml

@@ -6,17 +6,23 @@ name = "test-cargo"
 version = "0.1.0"
 
 [dependencies]
-rp-pico = "0.9.0"
 cortex-m = "0.7.7"
 cortex-m-rt = "0.7.3"
-cortex-m-semihosting = "0.5.0"
 panic-halt = "0.2.0"
-rp2040-boot2 = "0.3.0"
-rp2040-hal = { version = "0.10.2", features = ["rt"] }
-embedded-time = "0.12.1"
 defmt = "0.3.8"
 defmt-rtt = "0.4.1"
 embedded-hal = "1.0.0"
+embedded-hal-async = "1.0.0"
+embedded-io = "0.6.1"
+embedded-io-async = "0.6.1"
+embedded-storage = "0.3.1"
+embassy-rp = { version = "0.2.0", features = [ "defmt", "time-driver", "unstable-pac", "critical-section-impl" ] }
+embassy-time = { version = "0.3.0", features = [ "defmt", "defmt-timestamp-uptime" ] }
+embassy-executor = { version = "0.5.0", features = [ "task-arena-size-1024", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers", "executor-interrupt" ] }
+cyw43 = { version = "=0.1.0", features = [ "defmt", "firmware-logs" ] }
+cyw43-pio = "0.2.0"
+static_cell = "2.1.0"
+portable-atomic = { version = "1.7.0", features = ["critical-section"] }
 
 [[bin]]
 name = "test-cargo"

src/main.rs

@@ -1,62 +1,60 @@
 #![no_std]
 #![no_main]
 
-use cortex_m_rt::entry;
-use cortex_m::delay::Delay;
-use embedded_hal::digital::OutputPin;
-use panic_halt as _; // you can put a breakpoint on `rust_begin_unwind` to catch panics
-use rp2040_hal as hal;
-
-use hal::{
-    clocks::{init_clocks_and_plls, Clock},
-    pac,
-    watchdog::Watchdog,
-    Sio,
+use cyw43_pio::PioSpi;
+use embassy_executor::Spawner;
+use embassy_time::{Duration, Timer};
+use embassy_rp::{
+    bind_interrupts, gpio::{Level, Output}, pio::{InterruptHandler, Pio}, peripherals::{DMA_CH0, PIO0}
 };
+use defmt::{info, unwrap};
+use defmt_rtt as _;
+use panic_halt as _;
+use static_cell::StaticCell;
 
-// Initialize BOOT2 sector
-#[link_section = ".boot2"]
-#[used]
-pub static BOOT2: [u8; 256] = rp2040_boot2::BOOT_LOADER_W25Q080;
+macro_rules! singleton {
+    ($val:expr) => {{
+        type T = impl Sized;
+        static STATIC_CELL: StaticCell<T> = StaticCell::new();
+        STATIC_CELL.init_with(move || $val)
+    }};
+}
 
-#[entry]
-fn main() -> ! {
-    let mut pac = pac::Peripherals::take().unwrap();
-    let core = pac::CorePeripherals::take().unwrap();
-    let mut watchdog = Watchdog::new(pac.WATCHDOG);
-    let sio = Sio::new(pac.SIO);
+bind_interrupts!(struct Irqs {
+    PIO0_IRQ_0 => InterruptHandler<PIO0>;
+});
 
-    let external_xtal_freq_hz = 12_000_000u32;
-    let clocks = init_clocks_and_plls(
-        external_xtal_freq_hz,
-        pac.XOSC,
-        pac.CLOCKS,
-        pac.PLL_SYS,
-        pac.PLL_USB,
-        &mut pac.RESETS,
-        &mut watchdog,
-    )
-    .ok()
-    .unwrap();
+#[embassy_executor::task]
+async fn cyw43_task(runner: cyw43::Runner<'static, Output<'static>, PioSpi<'static, PIO0, 0, DMA_CH0>>) -> ! {
+    runner.run().await
+}
 
-    let mut delay = Delay::new(core.SYST, clocks.system_clock.freq().raw());
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+    let fw = include_bytes!("../firmware/43439A0.bin");
+    let clm = include_bytes!("../firmware/43439A0_clm.bin");
 
-    let pins = hal::gpio::Pins::new(
-        pac.IO_BANK0,
-        pac.PADS_BANK0,
-        sio.gpio_bank0,
-        &mut pac.RESETS,
-    );
+    let power = Output::new(p.PIN_23, Level::Low);
+    let cs = Output::new(p.PIN_25, Level::High);
+    let mut pio = Pio::new(p.PIO0, Irqs);
+    let spi = PioSpi::new(&mut pio.common, pio.sm0, pio.irq0, cs, p.PIN_24, p.PIN_29, p.DMA_CH0);
 
-    let mut led_pin = pins.gpio25.into_push_pull_output();
-    let mut ext_pin = pins.gpio20.into_push_pull_output();
+    let state = singleton!(cyw43::State::new());
+    static THING: StaticCell<cyw43::State> = StaticCell::new();
+    let state = THING.init_with(cyw43::State::new());
+    let (_net_device, mut control, runner) = cyw43::new(state, power, spi, fw).await;
+    unwrap!(spawner.spawn(cyw43_task(runner)));
+
+    control.init(clm).await;
+    control.set_power_management(cyw43::PowerManagementMode::PowerSave).await;
 
     loop {
-        led_pin.set_high().unwrap();
-        ext_pin.set_high().unwrap();
-        delay.delay_ms(500);
-        led_pin.set_low().unwrap();
-        ext_pin.set_low().unwrap();
-        delay.delay_ms(500);
+        // Main loop
+        info!("Blink!");
+        control.gpio_set(0, true).await;
+        Timer::after(Duration::from_millis(500)).await;
+        control.gpio_set(0, false).await;
+        Timer::after(Duration::from_millis(500)).await;
     }
 }