fix: losen tolerance for the extrusion because we are not going for a friction fit

.gitea/workflows/flake-update.yaml

@@ -1,8 +1,5 @@
 name: "Flake.lock: update Nix dependencies for development environment only"
 
-permissions:
-  contents: write
-
 on:
   workflow_dispatch: # allows manual triggering
   schedule:

Cargo.toml

@@ -18,7 +18,7 @@ esp-rtos = { version = "0.3.0", features = [
   "esp32c6",
 ] }
 
-defmt = "1.1.1"
+defmt = "1.1.0"
 esp-bootloader-esp-idf = { version = "0.5.0", features = ["defmt", "esp32c6"] }
 
 embassy-executor = { version = "0.10.0", features = ["defmt"] }
@@ -31,14 +31,10 @@ esp-backtrace = { version = "0.19.0", features = [
 ] }
 esp-println = { version = "0.17.0", features = ["defmt-espflash", "esp32c6"] }
 
-embassy-sync = { version = "0.8.0", features = ["defmt"] }
-embassy-futures = { version = "0.1.2", features = ["defmt"] }
-embassy-embedded-hal = { version = "0.6.0", features = ["defmt", "time"] }
-
 critical-section = "1.2.0"
-static_cell = { version = "2.1.1", features = ["nightly"] }
+static_cell = "2.1.1"
 
-embassy-net = { version = "0.9.1", features = [
+embassy-net = { version = "0.9.0", features = [
   "defmt",
   "dhcpv4-hostname",
   "medium-ethernet",
@@ -54,24 +50,7 @@ esp-radio = { version = "0.18.0", features = [
   "wifi",
 ] }
 
-sntpc = { version = "0.11", default-features = false }
+picoserve = { version = "0.18", features = ["defmt", "embassy", "json"] }
-sntpc-net-embassy = { version = "0.11", default-features = false }
-sntpc-time-embassy = { version = "0.6" }
-portable-atomic = "1.15.0"
-
-picoserve = { version = "0.19", features = ["defmt", "embassy", "json"] }
-
-sequential-storage = "8.0"
-esp-storage = { version = "0.9", features = ["defmt", "esp32c6"] }
-postcard = { version = "1.1", default-features = false, features = [
-  "defmt",
-  "heapless",
-] }
-serde = { version = "1.0", default-features = false, features = ["derive"] }
-int-enum = "1.2.0"
-heapless = { version = "0.9.3", features = ["defmt", "serde"] }
-thiserror = { version = "2.0.20", default-features = false }
-oneshot = { version = "0.2.1", features = ["async"] }
 
 
 # For fine tuning these settings, please refer to https://doc.rust-lang.org/cargo/reference/profiles.html

cad/build.py

@@ -1,5 +1,4 @@
 # pyright: reportUnusedCallResult=false, reportWildcardImportFromLibrary=false
-from math import radians, sin
 from build123d import *
 
 def build_drive_shaft_mount():
@@ -7,7 +6,7 @@ def build_drive_shaft_mount():
     bearing_diameter = 22
     bearing_through_hole_diameter = 15
     bearing_height = 7
-    shaft_clearance_diameter = 25.5
+    shaft_clearance_diameter = 25
 
     core_width = 40
     thickness = 20
@@ -20,9 +19,8 @@ def build_drive_shaft_mount():
     screw_head_depth = 5
     screw_body_diameter = 5
 
-    track_width = 6.1
+    track_width = 6.2
-    track_height = 1.4
+    track_height = 1.8
-    track_angle = 30
 
     assert (bearing_offset - bearing_diameter / 2) > 0
     assert (core_width - bearing_diameter) > 0
@@ -84,9 +82,7 @@ def build_drive_shaft_mount():
                 Triangle(A=90, b=1, c=1)
             extrude(amount=-((thickness / 2) + (bearing_height / 2)), mode=Mode.SUBTRACT)
 
-        with BuildPart() as track:
+        Box(core_width + (screw_blocks_width * 2), track_width, track_height, (90, 0, 0), (Align.CENTER, Align.CENTER, Align.MIN))
-            Box(core_width + (screw_blocks_width * 2), track_width + ((sin(radians(track_angle))/sin(radians(90-track_angle))) * track_height * 2) - 0.012, track_height, (90, 0, 0), (Align.CENTER, Align.CENTER, Align.MIN))
-            chamfer(track.edges().filter_by(Axis.X).sort_by(Axis.Y)[:2], track_height - 0.01, angle=track_angle)
 
         with Locations(drive_shaft_mount.faces().filter_by(Plane.XZ).sort_by(Axis.Y)[-2:]):
             CounterBoreHole(screw_body_diameter / 2, screw_head_diameter / 2, screw_head_depth)
@@ -102,8 +98,6 @@ def build_drive_shaft_bar_adapter():
     thickness = 10
 
     ext_screw_hole_diam = 6
-    ext_screw_hole_head_diam = 10.5
-    ext_screw_hole_head_depth = 1
     ext_screw_hole_offset = 10
 
     shaft_hub_bore_diam = 8
@@ -120,7 +114,7 @@ def build_drive_shaft_bar_adapter():
     with BuildPart() as drive_shaft_bar_adapter:
         Cylinder((ext_size / 2) + thickness, height, align=(Align.CENTER, Align.CENTER, Align.MIN))
 
-        # cut out space for the extrusion
+        # hollow the box
         with BuildSketch(Plane((0, 0, thickness))):
             Rectangle(ext_size, ext_size)
             with PolarLocations(ext_size / 2, 4):
@@ -133,9 +127,9 @@ def build_drive_shaft_bar_adapter():
             with BuildPart(screws_origin, mode=Mode.SUBTRACT) as ext_track_cut_out:
                 Box(ext_size, ext_size, ext_screw_hole_diam + 8)
                 chamfer(ext_track_cut_out.edges(), 3)
-            with PolarLocations((ext_size / 2) + thickness, 4):
+            with PolarLocations(0, 4):
                 with Locations(Rotation(0, 90, 0)):
-                    CounterBoreHole(ext_screw_hole_diam / 2, ext_screw_hole_head_diam / 2, ext_screw_hole_head_depth)
+                    Hole(ext_screw_hole_diam / 2)
 
         # shaft interface
         with Locations(drive_shaft_bar_adapter.faces().filter_by(Plane.XY).sort_by(Axis.Z)[1].offset(shaft_hub_screw_head_depth)):

flake.lock

@@ -95,11 +95,11 @@
     },
     "crane": {
       "locked": {
-        "lastModified": 1790899423,
+        "lastModified": 1777335812,
-        "narHash": "sha256-THGtz65UGJU+sonZidRboyCMk+9DclpMF7pwL4uDV4M=",
+        "narHash": "sha256-bEg5xoAxAwsyfnGhkEX7RJViTIBIYPd8ISg4O1c0HFc=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "47b6b27ed9a3a9181415e4367d0c30ab2a0e0250",
+        "rev": "5e0fb2f64edff2822249f21293b8304dedaaf676",
         "type": "github"
       },
       "original": {
@@ -113,11 +113,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1790898470,
+        "lastModified": 1778716662,
-        "narHash": "sha256-zTwuwezD0w3hpga6a6P8emidzAZFyWqlNeRBlpWOOl8=",
+        "narHash": "sha256-m1Yf0wZ8j1OHjTc2UwHwyQRSnNeSgLJOd7q5Y45hzi4=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "024633cd702b10285db5cb19b40ad48d2399ba60",
+        "rev": "f7c1a2d347e4c52d5fb8d10cb4d94b5884e546fb",
         "type": "github"
       },
       "original": {
@@ -146,11 +146,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1791260994,
+        "lastModified": 1780749050,
-        "narHash": "sha256-Miqqk/ammqnTUxaoCyvtwoPeLbI1ksFyLxi/CazZpWY=",
+        "narHash": "sha256-3av0pIjlOWQ6rDbNOmpUSvbNnJkGORQKKjb4LtCZsIY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "151fa4e8ddfdd8dd25d945ad94ed54a13de9f6e4",
+        "rev": "a799d3e3886da994fa307f817a6bc705ae538eeb",
         "type": "github"
       },
       "original": {
@@ -162,11 +162,11 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1790477367,
+        "lastModified": 1777168982,
-        "narHash": "sha256-oujbxmVKDhci2E4EM3KyAbRUgp5/IsCoiA/LfEF7OOk=",
+        "narHash": "sha256-GOkGPcboWE9BmGCRMLX3worL4EMnsnG8MyKmXNeYuhQ=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "f7cd230690d9fc982d06129f9189b101fddcfa3b",
+        "rev": "f5901329dade4a6ea039af1433fb087bd9c1fe14",
         "type": "github"
       },
       "original": {
@@ -238,11 +238,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1791419199,
+        "lastModified": 1780887496,
-        "narHash": "sha256-eQx167Svp11qqWgwFrvV+tELtWZ+Wu2+zgKsAl8fx0M=",
+        "narHash": "sha256-4mDOPU6Ey3SMsUsUeeNLkXC9uSdn0vpyzJIumw01HV8=",
         "ref": "refs/heads/master",
-        "rev": "00ab3b0148e915f22ef6815a9fe24de5d8dde295",
+        "rev": "0d1a37eef3e3954cc698b577edbc37eaa736b859",
-        "revCount": 51,
+        "revCount": 45,
         "type": "git",
         "url": "https://git.krantz.one/reed/project-templates"
       },
@@ -298,11 +298,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1791276535,
+        "lastModified": 1780197589,
-        "narHash": "sha256-iwqAmHTX1IgzTumJR3JayNAQAo5xEmmOuGzB6b2pT/Q=",
+        "narHash": "sha256-FVCr2Ij/jKf59a4LW481eeOF6rJRreOBrVgW/aUBTrw=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "b962e5d0c8cd97196c6a882d659fe451b52ad989",
+        "rev": "21632e942d89bf1cce4e5a63d7e58a215a0cbfcc",
         "type": "github"
       },
       "original": {
@@ -334,11 +334,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1791203292,
+        "lastModified": 1775636079,
-        "narHash": "sha256-vuzVwvjeucSnwKwMBpyP8r5IzdrMKCHEdwTrRFwUN7I=",
+        "narHash": "sha256-pc20NRoMdiar8oPQceQT47UUZMBTiMdUuWrYu2obUP0=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "03d8ee1bcbc8f9638907bb79edb9673151d0e22b",
+        "rev": "790751ff7fd3801feeaf96d7dc416a8d581265ba",
         "type": "github"
       },
       "original": {

src/bin/main.rs

@@ -6,15 +6,20 @@
     holding buffers for the duration of a data transfer."
 )]
 #![deny(clippy::large_stack_frames)]
+#![feature(impl_trait_in_assoc_type)]
 
-use cover_theif::{clock::start_ntp_sync, http_api::start_http_api, wifi::start_wifi};
+use defmt::{error, info};
-use defmt::info;
 use embassy_executor::Spawner;
+use embassy_net::Runner;
 use embassy_time::{Duration, Timer};
 use esp_backtrace as _;
 use esp_hal::clock::CpuClock;
 use esp_hal::timer::timg::TimerGroup;
 use esp_println as _;
+use esp_radio::wifi::sta::StationConfig;
+use esp_radio::wifi::{ControllerConfig, Interface, WifiController};
+use picoserve::routing::get;
+use picoserve::{AppBuilder, AppRouter};
 
 extern crate alloc;
 
@@ -22,6 +27,29 @@ extern crate alloc;
 // For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
 esp_bootloader_esp_idf::esp_app_desc!();
 
+// When you are okay with using a nightly compiler it's better to use https://docs.rs/static_cell/2.1.0/static_cell/macro.make_static.html
+macro_rules! mk_static {
+    ($t:ty,$val:expr) => {{
+        static STATIC_CELL: static_cell::StaticCell<$t> = static_cell::StaticCell::new();
+        #[deny(unused_attributes)]
+        let x = STATIC_CELL.uninit().write($val);
+        x
+    }};
+}
+
+const SSID: &str = env!("SSID");
+const PASSWORD: &str = env!("PASSWORD");
+
+struct AppProps;
+
+impl AppBuilder for AppProps {
+    type PathRouter = impl picoserve::routing::PathRouter;
+
+    fn build_app(self) -> picoserve::Router<Self::PathRouter> {
+        picoserve::Router::new().route("/", get(|| async move { "Hello World" }))
+    }
+}
+
 #[allow(
     clippy::large_stack_frames,
     reason = "it's not unusual to allocate larger buffers etc. in main"
@@ -43,10 +71,55 @@ async fn main(spawner: Spawner) -> ! {
 
     info!("Embassy initialized!");
 
-    let net_stack = start_wifi(spawner, peripherals.WIFI);
+    let wifi_config = esp_radio::wifi::Config::Station(
+        StationConfig::default()
+            .with_ssid(SSID)
+            .with_password(PASSWORD.into()),
+    );
 
-    start_ntp_sync(spawner, net_stack);
+    let (wifi_controller, wifi_interfaces) = esp_radio::wifi::new(
-    start_http_api(spawner, net_stack);
+        peripherals.WIFI,
+        ControllerConfig::default().with_initial_config(wifi_config),
+    )
+    .expect("Failed to initialize Wi-Fi controller");
+
+    let mut dhcp_config = embassy_net::DhcpConfig::default();
+    dhcp_config.hostname = Some("cover-theif".try_into().unwrap());
+    let net_config = embassy_net::Config::dhcpv4(dhcp_config);
+
+    let rng = esp_hal::rng::Rng::new();
+    let seed = (rng.random() as u64) << 32 | rng.random() as u64;
+
+    let (net_stack, net_runner) = embassy_net::new(
+        wifi_interfaces.station,
+        net_config,
+        mk_static!(
+            embassy_net::StackResources<3>,
+            embassy_net::StackResources::<3>::new()
+        ),
+        seed,
+    );
+
+    spawner.spawn(connection(wifi_controller).unwrap());
+    spawner.spawn(net_task(net_runner).unwrap());
+
+    net_stack.wait_config_up().await;
+
+    if let Some(config) = net_stack.config_v4() {
+        info!("Got IP: {}", config.address);
+    }
+
+    let app = mk_static!(AppRouter<AppProps>, AppProps.build_app());
+
+    let port = 80;
+    let mut tcp_rx_buffer = [0; 1024];
+    let mut tcp_tx_buffer = [0; 1024];
+    let mut http_buffer = [0; 2048];
+    let web_serve_config = picoserve::Config::const_default().keep_connection_alive();
+
+    picoserve::Server::new(app, &web_serve_config, &mut http_buffer)
+        .listen_and_serve(0, net_stack, port, &mut tcp_rx_buffer, &mut tcp_tx_buffer)
+        .await;
 
     loop {
         info!("Hello world");
@@ -55,3 +128,32 @@ async fn main(spawner: Spawner) -> ! {
 
     // for inspiration have a look at the examples at https://github.com/esp-rs/esp-hal/tree/esp-hal-v1.1.0/examples
 }
+
+#[embassy_executor::task]
+async fn connection(mut controller: WifiController<'static>) {
+    info!("start connection task");
+
+    loop {
+        info!("About to connect...");
+
+        match controller.connect_async().await {
+            Ok(info) => {
+                info!("Wifi connected to {:?}", info);
+
+                // wait until we're no longer connected
+                let info = controller.wait_for_disconnect_async().await.ok();
+                info!("Disconnected: {:?}", info);
+            }
+            Err(e) => {
+                error!("Failed to connect to wifi: {:?}", e);
+            }
+        }
+
+        Timer::after(Duration::from_millis(5000)).await
+    }
+}
+
+#[embassy_executor::task]
+async fn net_task(mut runner: Runner<'static, Interface<'static>>) {
+    runner.run().await
+}

src/clock.rs

@@ -1,120 +0,0 @@
-use core::net::SocketAddr;
-use embassy_executor::Spawner;
-use embassy_net::{
-    Stack,
-    udp::{PacketMetadata, UdpSocket},
-};
-use embassy_time::{Duration, Timer};
-use portable_atomic::{AtomicU64, Ordering};
-use sntpc::{NtpContext, get_time};
-use sntpc_net_embassy::UdpSocketWrapper;
-use sntpc_time_embassy::EmbassyTimestampGenerator;
-
-// NTP server (pool.ntp.org is the usual choice)
-const NTP_SERVER: &str = "pool.ntp.org";
-const NTP_PORT: u16 = 123;
-// Unix epoch is 1900-01-01 + 70 years = 2_208_988_800 seconds.
-const NTP_UNIX_OFFSET: u64 = 2_208_988_800;
-
-static NTP_BOOT_OFFSET: AtomicU64 = AtomicU64::new(0);
-
-#[allow(
-    clippy::large_stack_frames,
-    reason = "it's not unusual to allocate larger objects in service's start functions"
-)]
-pub fn start_ntp_sync(spawner: Spawner, net_stack: Stack<'static>) {
-    let service = crate::mk_static!(
-        NtpClient,
-        NtpClient {
-            net_stack,
-
-            rx_meta: [PacketMetadata::EMPTY; 16],
-            rx_buf: [0u8; 48],
-            tx_meta: [PacketMetadata::EMPTY; 16],
-            tx_buf: [0u8; 48],
-        }
-    );
-
-    spawner.spawn(handler(service).unwrap());
-}
-
-pub fn now() -> embassy_time::Instant {
-    embassy_time::Instant::now() + Duration::from_secs(NTP_BOOT_OFFSET.load(Ordering::Relaxed))
-}
-
-#[embassy_executor::task]
-async fn handler(service: &'static mut NtpClient) {
-    let address = loop {
-        match service.fetch_ntp_address(NTP_SERVER, NTP_PORT).await {
-            Ok(addr) => break addr,
-            Err(err) => {
-                defmt::error!("Failed to get the NTP server's address: {}", err);
-                Timer::after(Duration::from_secs(10)).await
-            }
-        }
-    };
-
-    loop {
-        match service.fetch_ntp_time(address).await {
-            Ok(unix_secs) => {
-                NTP_BOOT_OFFSET.store(
-                    unix_secs - embassy_time::Instant::now().as_secs(),
-                    portable_atomic::Ordering::Relaxed,
-                );
-                Timer::after(Duration::from_secs(6 * 60 * 60)).await
-            }
-            Err(err) => {
-                defmt::error!("Failed to sync the clock from NTP: {}", err);
-                Timer::after(Duration::from_secs(10)).await
-            }
-        }
-    }
-}
-
-struct NtpClient {
-    net_stack: Stack<'static>,
-
-    rx_meta: [PacketMetadata; 16],
-    rx_buf: [u8; 48],
-    tx_meta: [PacketMetadata; 16],
-    tx_buf: [u8; 48],
-}
-
-impl NtpClient {
-    async fn fetch_ntp_address(&self, server: &str, port: u16) -> Result<SocketAddr, &'static str> {
-        // Resolve the NTP server hostname
-        let server_addr = self
-            .net_stack
-            .dns_query(server, embassy_net::dns::DnsQueryType::A)
-            .await
-            .map_err(|_| "DNS resolution failed")?
-            .first()
-            .copied()
-            .ok_or("No DNS result")?;
-
-        Ok(SocketAddr::new(server_addr.into(), port))
-    }
-
-    async fn fetch_ntp_time(&mut self, address: SocketAddr) -> Result<u64, &'static str> {
-        let mut socket = UdpSocket::new(
-            self.net_stack,
-            &mut self.rx_meta,
-            &mut self.rx_buf,
-            &mut self.tx_meta,
-            &mut self.tx_buf,
-        );
-        socket.bind(0).map_err(|_| "bind failed")?;
-
-        let wrapped = UdpSocketWrapper::from(socket);
-        let ctx = NtpContext::new(EmbassyTimestampGenerator::default());
-
-        let result = get_time(address, &wrapped, ctx)
-            .await
-            .map_err(|_| "SNTP request failed")?;
-
-        // result.sec is the NTP timestamp in seconds since 1900-01-01.
-        let unix_secs = result.sec().saturating_sub(NTP_UNIX_OFFSET);
-
-        Ok(unix_secs)
-    }
-}

src/config.rs

@@ -1,155 +0,0 @@
-use defmt::error;
-use embassy_embedded_hal::adapter::BlockingAsync;
-use embassy_executor::Spawner;
-use embassy_sync::{blocking_mutex::raw::CriticalSectionRawMutex, channel::Channel};
-use esp_hal::peripherals::FLASH;
-use esp_radio::wifi::sta::StationConfig;
-use esp_storage::FlashStorage;
-use heapless::String;
-use int_enum::IntEnum;
-use oneshot::Sender;
-use postcard::to_slice;
-use sequential_storage::{
-    cache::{Cache, Uncached},
-    map::{Key, MapConfig, MapStorage},
-};
-use serde::{Deserialize, Serialize};
-use thiserror::Error;
-
-pub async fn start_config(spawner: Spawner, flash: FLASH<'static>) {
-    let storage = MapStorage::<ConfigKey, _, _>::new(
-        BlockingAsync::new(FlashStorage::new(flash)),
-        const { MapConfig::new(0x3F_0000..0x40_0000) },
-        Cache::new_uncached(),
-    );
-
-    spawner.spawn(handler(storage).unwrap());
-}
-
-pub async fn set_wifi_creds(value: WifiCredentials) -> Result<(), ConfigError> {
-    let (send, recv) = oneshot::channel();
-    CONFIG_CHANNEL
-        .send(ConfigOperationMessage::SetWifiCreds(value, send))
-        .await;
-    recv.await?
-}
-
-static CONFIG_CHANNEL: Channel<CriticalSectionRawMutex, ConfigOperationMessage, 5> = Channel::new();
-
-enum ConfigOperationMessage {
-    SetWifiCreds(WifiCredentials, Sender<Result<(), ConfigError>>),
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-pub struct WifiCredentials {
-    pub ssid: String<32>,
-    pub password: String<32>,
-}
-
-impl From<WifiCredentials> for StationConfig {
-    fn from(value: WifiCredentials) -> Self {
-        Self::default()
-            .with_ssid(value.ssid.as_str())
-            .with_password(value.password.as_str().into())
-    }
-}
-
-// TODO: refactor this when try blocks are implemented
-#[embassy_executor::task]
-async fn handler(
-    mut storage: MapStorage<
-        ConfigKey,
-        BlockingAsync<FlashStorage<'static>>,
-        Cache<Uncached, Uncached, Uncached, ConfigKey>,
-    >,
-) -> ! {
-    let mut data_buffer = [0u8; 256];
-
-    loop {
-        let operation = CONFIG_CHANNEL.receive().await;
-
-        match operation {
-            ConfigOperationMessage::SetWifiCreds(value, resp) => {
-                let mut f = async || {
-                    let mut buf = [0u8; 256];
-                    to_slice(&value, &mut buf)?;
-
-                    storage
-                        .store_item(&mut data_buffer, &ConfigKey::Wifi, &buf)
-                        .await?;
-
-                    // TODO: send the change to the wifi service
-                    // WIFI_SERVICE
-                    //     .call(|s| s.set_station_config(esp_radio::wifi::Config::Station(value.into())))
-                    //     .await;
-
-                    Ok(())
-                };
-                if resp.send(f().await).is_err() {
-                    // TODO: find a way to not hard-code symbols in a string
-                    error!("ConfigOperationMessage::SetWifiCreds failed to respond")
-                };
-            }
-        }
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, IntEnum)]
-#[repr(u8)]
-enum ConfigKey {
-    Wifi,
-}
-
-impl Key for ConfigKey {
-    fn get_len(_: &[u8]) -> Result<usize, sequential_storage::map::SerializationError> {
-        Ok(1)
-    }
-
-    fn serialize_into(
-        &self,
-        buffer: &mut [u8],
-    ) -> Result<usize, sequential_storage::map::SerializationError> {
-        let val = buffer
-            .get_mut(0)
-            .ok_or(sequential_storage::map::SerializationError::BufferTooSmall)?;
-        *val = (*self).into();
-        Ok(1)
-    }
-
-    fn deserialize_from(
-        buffer: &[u8],
-    ) -> Result<(Self, usize), sequential_storage::map::SerializationError> {
-        let val = *buffer
-            .first()
-            .ok_or(sequential_storage::map::SerializationError::BufferTooSmall)?;
-        Ok((
-            val.try_into()
-                .map_err(|_| sequential_storage::map::SerializationError::InvalidData)?,
-            1,
-        ))
-    }
-}
-
-#[derive(Error, Debug)]
-pub enum ConfigError {
-    #[error("Error serializing data: {0}")]
-    SerializationError(#[from] postcard::Error),
-
-    #[error("Error storing data on the flash: {0:?}")]
-    FlashError(sequential_storage::Error<esp_storage::FlashStorageError>),
-
-    #[error("Error receiving response: {0}")]
-    RecvError(oneshot::RecvError),
-}
-
-impl From<sequential_storage::Error<esp_storage::FlashStorageError>> for ConfigError {
-    fn from(v: sequential_storage::Error<esp_storage::FlashStorageError>) -> Self {
-        Self::FlashError(v)
-    }
-}
-
-impl From<oneshot::RecvError> for ConfigError {
-    fn from(v: oneshot::RecvError) -> Self {
-        Self::RecvError(v)
-    }
-}

src/http_api.rs

@@ -1,85 +0,0 @@
-use embassy_executor::Spawner;
-use embassy_net::Stack;
-use picoserve::routing::get;
-use picoserve::{AppBuilder, AppRouter, Config};
-
-#[derive(Default)]
-pub struct HttpApiProps;
-
-impl AppBuilder for HttpApiProps {
-    type PathRouter = impl picoserve::routing::PathRouter;
-
-    fn build_app(self) -> picoserve::Router<Self::PathRouter> {
-        picoserve::Router::new().route("/", get(|| async move { "Hello World" }))
-    }
-}
-
-#[allow(
-    clippy::large_stack_frames,
-    reason = "it's not unusual to allocate larger objects in service's start functions"
-)]
-pub fn start_http_api(spawner: Spawner, net_stack: Stack<'static>) {
-    let service = crate::mk_static!(
-        HttpApiApp<'static, HttpApiProps>,
-        HttpApiApp {
-            config: Default::default(),
-
-            net_stack,
-            app: HttpApiProps.build_app(),
-
-            tcp_rx_buffer: [0; 1024],
-            tcp_tx_buffer: [0; 1024],
-            http_buffer: [0; 2048],
-        }
-    );
-
-    spawner.spawn(handler(service).unwrap());
-}
-
-#[embassy_executor::task]
-async fn handler(service: &'static mut HttpApiApp<'static, HttpApiProps>) {
-    service.run().await;
-}
-
-pub struct HttpApiConfig {
-    pub port: u16,
-    pub web_serve_config: Config,
-}
-
-impl Default for HttpApiConfig {
-    fn default() -> Self {
-        Self {
-            port: 80,
-            web_serve_config: Config::const_default().keep_connection_alive(),
-        }
-    }
-}
-
-pub struct HttpApiApp<'a, AB: AppBuilder> {
-    config: HttpApiConfig,
-
-    net_stack: Stack<'a>,
-    app: AppRouter<AB>,
-
-    tcp_rx_buffer: [u8; 1024],
-    tcp_tx_buffer: [u8; 1024],
-    http_buffer: [u8; 2048],
-}
-
-impl<'a, AB: AppBuilder> HttpApiApp<'a, AB> {
-    pub async fn run(&mut self) {
-        picoserve::Server::new(
-            &self.app,
-            &self.config.web_serve_config,
-            &mut self.http_buffer,
-        )
-        .listen_and_serve(
-            0,
-            self.net_stack,
-            self.config.port,
-            &mut self.tcp_rx_buffer,
-            &mut self.tcp_tx_buffer,
-        )
-        .await;
-    }
-}

src/lib.rs

@@ -1,29 +1 @@
 #![no_std]
-#![deny(
-    clippy::mem_forget,
-    reason = "mem::forget is generally not safe to do with esp_hal types, especially those \
-    holding buffers for the duration of a data transfer."
-)]
-#![deny(clippy::large_stack_frames)]
-#![feature(impl_trait_in_assoc_type)]
-
-extern crate alloc;
-
-pub mod http_api;
-
-pub mod clock;
-
-pub mod wifi;
-
-pub mod config;
-
-// When you are okay with using a nightly compiler it's better to use https://docs.rs/static_cell/2.1.0/static_cell/macro.make_static.html
-#[macro_export]
-macro_rules! mk_static {
-    ($t:ty,$val:expr) => {{
-        static STATIC_CELL: static_cell::StaticCell<$t> = static_cell::StaticCell::new();
-        #[deny(unused_attributes)]
-        let x = STATIC_CELL.uninit().write($val);
-        x
-    }};
-}

src/wifi.rs

@@ -1,155 +0,0 @@
-use alloc::boxed::Box;
-use defmt::{error, info};
-use embassy_executor::Spawner;
-use embassy_futures::select::{Either, select};
-use embassy_net::{Runner, Stack};
-use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
-use embassy_sync::channel::Channel;
-use embassy_sync::signal::Signal;
-use embassy_time::{Duration, Timer};
-use esp_hal::peripherals::WIFI;
-use esp_radio::wifi::sta::StationConfig;
-use esp_radio::wifi::{ControllerConfig, Interface, WifiController};
-use oneshot::{RecvError, Sender};
-
-#[allow(
-    clippy::large_stack_frames,
-    reason = "it's not unusual to allocate larger objects in service's start functions"
-)]
-pub fn start_wifi(spawner: Spawner, wifi: WIFI<'static>) -> Stack<'static> {
-    let wifi_config = esp_radio::wifi::Config::Station(StationConfig::default());
-
-    let (wifi_controller, wifi_interfaces) = esp_radio::wifi::new(
-        wifi,
-        ControllerConfig::default().with_initial_config(wifi_config),
-    )
-    .expect("Failed to initialize Wi-Fi controller");
-
-    let mut dhcp_config = embassy_net::DhcpConfig::default();
-    dhcp_config.hostname = Some("cover-theif".try_into().unwrap());
-    let net_config = embassy_net::Config::dhcpv4(dhcp_config);
-
-    let rng = esp_hal::rng::Rng::new();
-    let seed = (rng.random() as u64) << 32 | rng.random() as u64;
-
-    let (net_stack, net_runner) = embassy_net::new(
-        wifi_interfaces.station,
-        net_config,
-        crate::mk_static!(
-            embassy_net::StackResources<3>,
-            embassy_net::StackResources::<3>::new()
-        ),
-        seed,
-    );
-
-    spawner.spawn(net_handler(net_runner).unwrap());
-    spawner.spawn(connection_handler(wifi_controller).unwrap());
-    spawner.spawn(handler(net_stack).unwrap());
-    spawner.spawn(ip_logger(net_stack).unwrap());
-
-    net_stack
-}
-
-pub async fn set_station_config(config: Box<esp_radio::wifi::Config>) -> Result<(), RecvError> {
-    let (send, recv) = oneshot::channel();
-    WIFI_CHANNEL
-        .send(WifiOperationMessage::SetStationConfig(config, send))
-        .await;
-    recv.await
-}
-
-pub async fn set_dhcp_config(config: Box<embassy_net::DhcpConfig>) -> Result<(), RecvError> {
-    let (send, recv) = oneshot::channel();
-    WIFI_CHANNEL
-        .send(WifiOperationMessage::SetDhcpConfig(config, send))
-        .await;
-    recv.await
-}
-
-static WIFI_CHANNEL: Channel<CriticalSectionRawMutex, WifiOperationMessage, 5> = Channel::new();
-
-enum WifiOperationMessage {
-    SetStationConfig(Box<esp_radio::wifi::Config>, Sender<()>),
-    SetDhcpConfig(Box<embassy_net::DhcpConfig>, Sender<()>),
-}
-
-#[embassy_executor::task]
-async fn handler(net_stack: Stack<'static>) -> ! {
-    loop {
-        match WIFI_CHANNEL.receive().await {
-            WifiOperationMessage::SetStationConfig(config, resp) => {
-                WIFI_HANDLER_RPC.signal(*config);
-                if resp.send(()).is_err() {
-                    // TODO: find a way to not hard-code symbols in a string
-                    error!("WifiOperationMessage::SetStationConfig failed to respond")
-                };
-            }
-            WifiOperationMessage::SetDhcpConfig(config, resp) => {
-                net_stack.set_config_v4(embassy_net::ConfigV4::Dhcp(*config));
-                if resp.send(()).is_err() {
-                    // TODO: find a way to not hard-code symbols in a string
-                    error!("WifiOperationMessage::SetDhcpConfig failed to respond")
-                };
-            }
-        }
-    }
-}
-
-static WIFI_HANDLER_RPC: Signal<CriticalSectionRawMutex, esp_radio::wifi::Config> = Signal::new();
-
-#[embassy_executor::task]
-async fn connection_handler(mut controller: WifiController<'static>) -> ! {
-    async fn connection(controller: &mut WifiController<'static>) {
-        info!("Connecting to WiFi...");
-
-        match controller.connect_async().await {
-            Ok(info) => {
-                info!("Wifi connected to {:?}", info);
-
-                // wait until we're no longer connected
-                let info = controller.wait_for_disconnect_async().await.ok();
-                info!("Disconnected: {:?}", info);
-            }
-            Err(e) => {
-                error!("Failed to connect to wifi: {:?}", e);
-            }
-        }
-    }
-
-    loop {
-        if let Either::First(req) =
-            select(WIFI_HANDLER_RPC.wait(), connection(&mut controller)).await
-            && let Some(err) = controller.set_config(&req).err()
-        {
-            error!("Wifi controller failed to set a new config: {:?}", err)
-        }
-    }
-}
-
-#[embassy_executor::task]
-async fn ip_logger(net_stack: Stack<'static>) -> ! {
-    loop {
-        info!("Getting IP address...");
-        net_stack.wait_config_up().await;
-
-        match net_stack.config_v4() {
-            Some(info) => {
-                info!("Got IP: {:?}", info);
-
-                // wait until we're no longer connected
-                net_stack.wait_config_down().await;
-                info!("Address no longer configured");
-            }
-            None => {
-                error!("Failed to configure an address");
-            }
-        }
-
-        Timer::after(Duration::from_millis(5000)).await
-    }
-}
-
-#[embassy_executor::task]
-async fn net_handler(mut runner: Runner<'static, Interface<'static>>) -> ! {
-    runner.run().await
-}