fix: expose less

docs: document public apis of embassy-net-driver-channel

embassy-boot/boot/Cargo.toml

@@ -26,25 +26,22 @@ features = ["defmt"]
 defmt = { version = "0.3", optional = true }
 digest = "0.10"
 log = { version = "0.4", optional = true }
-ed25519-dalek = { version = "1.0.1", default_features = false, features = ["u32_backend"], optional = true }
+ed25519-dalek = { version = "2", default_features = false, features = ["digest"], optional = true }
 embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal" }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync" }
 embedded-storage = "0.3.1"
 embedded-storage-async = { version = "0.4.1" }
-salty = { git = "https://github.com/ycrypto/salty.git", rev = "a9f17911a5024698406b75c0fac56ab5ccf6a8c7", optional = true }
-signature = { version = "1.6.4", default-features = false }
+salty = { version = "0.3", optional = true }
+signature = { version = "2.0", default-features = false }
 
 [dev-dependencies]
 log = "0.4"
 env_logger = "0.9"
-rand = "0.7" # ed25519-dalek v1.0.1 depends on this exact version
+rand = "0.8"
 futures = { version = "0.3", features = ["executor"] }
 sha1 = "0.10.5"
 critical-section = { version = "1.1.1", features = ["std"] }
-
-[dev-dependencies.ed25519-dalek]
-default_features = false
-features = ["rand", "std", "u32_backend"]
+ed25519-dalek = { version = "2", default_features = false, features = ["std", "rand_core", "digest"]  }
 
 [features]
 ed25519-dalek = ["dep:ed25519-dalek", "_verify"]

embassy-boot/boot/src/digest_adapters/ed25519_dalek.rs

@@ -1,6 +1,6 @@
 use digest::typenum::U64;
 use digest::{FixedOutput, HashMarker, OutputSizeUser, Update};
-use ed25519_dalek::Digest as _;
+use ed25519_dalek::Digest;
 
 pub struct Sha512(ed25519_dalek::Sha512);
 
@@ -12,7 +12,7 @@ impl Default for Sha512 {
 
 impl Update for Sha512 {
     fn update(&mut self, data: &[u8]) {
-        self.0.update(data)
+        Digest::update(&mut self.0, data)
     }
 }
 

embassy-boot/boot/src/firmware_updater/asynch.rs

@@ -79,8 +79,8 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> FirmwareUpdater<'d, DFU, STATE> {
     #[cfg(feature = "_verify")]
     pub async fn verify_and_mark_updated(
         &mut self,
-        _public_key: &[u8],
-        _signature: &[u8],
+        _public_key: &[u8; 32],
+        _signature: &[u8; 64],
         _update_len: u32,
     ) -> Result<(), FirmwareUpdaterError> {
         assert!(_update_len <= self.dfu.capacity() as u32);
@@ -89,14 +89,14 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> FirmwareUpdater<'d, DFU, STATE> {
 
         #[cfg(feature = "ed25519-dalek")]
         {
-            use ed25519_dalek::{PublicKey, Signature, SignatureError, Verifier};
+            use ed25519_dalek::{Signature, SignatureError, Verifier, VerifyingKey};
 
             use crate::digest_adapters::ed25519_dalek::Sha512;
 
             let into_signature_error = |e: SignatureError| FirmwareUpdaterError::Signature(e.into());
 
-            let public_key = PublicKey::from_bytes(_public_key).map_err(into_signature_error)?;
-            let signature = Signature::from_bytes(_signature).map_err(into_signature_error)?;
+            let public_key = VerifyingKey::from_bytes(_public_key).map_err(into_signature_error)?;
+            let signature = Signature::from_bytes(_signature);
 
             let mut chunk_buf = [0; 2];
             let mut message = [0; 64];
@@ -106,7 +106,6 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> FirmwareUpdater<'d, DFU, STATE> {
         }
         #[cfg(feature = "ed25519-salty")]
         {
-            use salty::constants::{PUBLICKEY_SERIALIZED_LENGTH, SIGNATURE_SERIALIZED_LENGTH};
             use salty::{PublicKey, Signature};
 
             use crate::digest_adapters::salty::Sha512;
@@ -115,10 +114,8 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> FirmwareUpdater<'d, DFU, STATE> {
                 FirmwareUpdaterError::Signature(signature::Error::default())
             }
 
-            let public_key: [u8; PUBLICKEY_SERIALIZED_LENGTH] = _public_key.try_into().map_err(into_signature_error)?;
-            let public_key = PublicKey::try_from(&public_key).map_err(into_signature_error)?;
-            let signature: [u8; SIGNATURE_SERIALIZED_LENGTH] = _signature.try_into().map_err(into_signature_error)?;
-            let signature = Signature::try_from(&signature).map_err(into_signature_error)?;
+            let public_key = PublicKey::try_from(_public_key).map_err(into_signature_error)?;
+            let signature = Signature::try_from(_signature).map_err(into_signature_error)?;
 
             let mut message = [0; 64];
             let mut chunk_buf = [0; 2];

embassy-boot/boot/src/firmware_updater/blocking.rs

@@ -86,8 +86,8 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> BlockingFirmwareUpdater<'d, DFU, STATE>
     #[cfg(feature = "_verify")]
     pub fn verify_and_mark_updated(
         &mut self,
-        _public_key: &[u8],
-        _signature: &[u8],
+        _public_key: &[u8; 32],
+        _signature: &[u8; 64],
         _update_len: u32,
     ) -> Result<(), FirmwareUpdaterError> {
         assert!(_update_len <= self.dfu.capacity() as u32);
@@ -96,14 +96,14 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> BlockingFirmwareUpdater<'d, DFU, STATE>
 
         #[cfg(feature = "ed25519-dalek")]
         {
-            use ed25519_dalek::{PublicKey, Signature, SignatureError, Verifier};
+            use ed25519_dalek::{Signature, SignatureError, Verifier, VerifyingKey};
 
             use crate::digest_adapters::ed25519_dalek::Sha512;
 
             let into_signature_error = |e: SignatureError| FirmwareUpdaterError::Signature(e.into());
 
-            let public_key = PublicKey::from_bytes(_public_key).map_err(into_signature_error)?;
-            let signature = Signature::from_bytes(_signature).map_err(into_signature_error)?;
+            let public_key = VerifyingKey::from_bytes(_public_key).map_err(into_signature_error)?;
+            let signature = Signature::from_bytes(_signature);
 
             let mut message = [0; 64];
             let mut chunk_buf = [0; 2];
@@ -113,7 +113,6 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> BlockingFirmwareUpdater<'d, DFU, STATE>
         }
         #[cfg(feature = "ed25519-salty")]
         {
-            use salty::constants::{PUBLICKEY_SERIALIZED_LENGTH, SIGNATURE_SERIALIZED_LENGTH};
             use salty::{PublicKey, Signature};
 
             use crate::digest_adapters::salty::Sha512;
@@ -122,10 +121,8 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> BlockingFirmwareUpdater<'d, DFU, STATE>
                 FirmwareUpdaterError::Signature(signature::Error::default())
             }
 
-            let public_key: [u8; PUBLICKEY_SERIALIZED_LENGTH] = _public_key.try_into().map_err(into_signature_error)?;
-            let public_key = PublicKey::try_from(&public_key).map_err(into_signature_error)?;
-            let signature: [u8; SIGNATURE_SERIALIZED_LENGTH] = _signature.try_into().map_err(into_signature_error)?;
-            let signature = Signature::try_from(&signature).map_err(into_signature_error)?;
+            let public_key = PublicKey::try_from(_public_key).map_err(into_signature_error)?;
+            let signature = Signature::try_from(_signature).map_err(into_signature_error)?;
 
             let mut message = [0; 64];
             let mut chunk_buf = [0; 2];

embassy-boot/boot/src/lib.rs

@@ -275,21 +275,19 @@ mod tests {
         // The following key setup is based on:
         // https://docs.rs/ed25519-dalek/latest/ed25519_dalek/#example
 
-        use ed25519_dalek::Keypair;
+        use ed25519_dalek::{Digest, Sha512, Signature, Signer, SigningKey, VerifyingKey};
         use rand::rngs::OsRng;
 
         let mut csprng = OsRng {};
-        let keypair: Keypair = Keypair::generate(&mut csprng);
+        let keypair = SigningKey::generate(&mut csprng);
 
-        use ed25519_dalek::{Digest, Sha512, Signature, Signer};
         let firmware: &[u8] = b"This are bytes that would otherwise be firmware bytes for DFU.";
         let mut digest = Sha512::new();
         digest.update(&firmware);
         let message = digest.finalize();
         let signature: Signature = keypair.sign(&message);
 
-        use ed25519_dalek::PublicKey;
-        let public_key: PublicKey = keypair.public;
+        let public_key = keypair.verifying_key();
 
         // Setup flash
         let flash = BlockingTestFlash::new(BootLoaderConfig {

embassy-net-driver-channel/src/lib.rs

@@ -1,5 +1,6 @@
 #![no_std]
 #![doc = include_str!("../README.md")]
+#![warn(missing_docs)]
 
 // must go first!
 mod fmt;
@@ -15,6 +16,9 @@ use embassy_sync::blocking_mutex::Mutex;
 use embassy_sync::waitqueue::WakerRegistration;
 use embassy_sync::zerocopy_channel;
 
+/// Channel state.
+///
+/// Holds a buffer of packets with size MTU, for both TX and RX.
 pub struct State<const MTU: usize, const N_RX: usize, const N_TX: usize> {
     rx: [PacketBuf<MTU>; N_RX],
     tx: [PacketBuf<MTU>; N_TX],
@@ -24,6 +28,7 @@ pub struct State<const MTU: usize, const N_RX: usize, const N_TX: usize> {
 impl<const MTU: usize, const N_RX: usize, const N_TX: usize> State<MTU, N_RX, N_TX> {
     const NEW_PACKET: PacketBuf<MTU> = PacketBuf::new();
 
+    /// Create a new channel state.
     pub const fn new() -> Self {
         Self {
             rx: [Self::NEW_PACKET; N_RX],
@@ -39,33 +44,45 @@ struct StateInner<'d, const MTU: usize> {
     shared: Mutex<NoopRawMutex, RefCell<Shared>>,
 }
 
-/// State of the LinkState
 struct Shared {
     link_state: LinkState,
     waker: WakerRegistration,
     hardware_address: driver::HardwareAddress,
 }
 
+/// Channel runner.
+///
+/// Holds the shared state and the lower end of channels for inbound and outbound packets.
 pub struct Runner<'d, const MTU: usize> {
     tx_chan: zerocopy_channel::Receiver<'d, NoopRawMutex, PacketBuf<MTU>>,
     rx_chan: zerocopy_channel::Sender<'d, NoopRawMutex, PacketBuf<MTU>>,
     shared: &'d Mutex<NoopRawMutex, RefCell<Shared>>,
 }
 
+/// State runner.
+///
+/// Holds the shared state of the channel such as link state.
 #[derive(Clone, Copy)]
 pub struct StateRunner<'d> {
     shared: &'d Mutex<NoopRawMutex, RefCell<Shared>>,
 }
 
+/// RX runner.
+///
+/// Holds the lower end of the channel for passing inbound packets up the stack.
 pub struct RxRunner<'d, const MTU: usize> {
     rx_chan: zerocopy_channel::Sender<'d, NoopRawMutex, PacketBuf<MTU>>,
 }
 
+/// TX runner.
+///
+/// Holds the lower end of the channel for passing outbound packets down the stack.
 pub struct TxRunner<'d, const MTU: usize> {
     tx_chan: zerocopy_channel::Receiver<'d, NoopRawMutex, PacketBuf<MTU>>,
 }
 
 impl<'d, const MTU: usize> Runner<'d, MTU> {
+    /// Split the runner into separate runners for controlling state, rx and tx.
     pub fn split(self) -> (StateRunner<'d>, RxRunner<'d, MTU>, TxRunner<'d, MTU>) {
         (
             StateRunner { shared: self.shared },
@@ -74,6 +91,7 @@ impl<'d, const MTU: usize> Runner<'d, MTU> {
         )
     }
 
+    /// Split the runner into separate runners for controlling state, rx and tx borrowing the underlying state.
     pub fn borrow_split(&mut self) -> (StateRunner<'_>, RxRunner<'_, MTU>, TxRunner<'_, MTU>) {
         (
             StateRunner { shared: self.shared },
@@ -86,10 +104,12 @@ impl<'d, const MTU: usize> Runner<'d, MTU> {
         )
     }
 
+    /// Create a state runner sharing the state channel.
     pub fn state_runner(&self) -> StateRunner<'d> {
         StateRunner { shared: self.shared }
     }
 
+    /// Set the link state.
     pub fn set_link_state(&mut self, state: LinkState) {
         self.shared.lock(|s| {
             let s = &mut *s.borrow_mut();
@@ -98,6 +118,7 @@ impl<'d, const MTU: usize> Runner<'d, MTU> {
         });
     }
 
+    /// Set the hardware address.
     pub fn set_hardware_address(&mut self, address: driver::HardwareAddress) {
         self.shared.lock(|s| {
             let s = &mut *s.borrow_mut();
@@ -106,16 +127,19 @@ impl<'d, const MTU: usize> Runner<'d, MTU> {
         });
     }
 
+    /// Wait until there is space for more inbound packets and return a slice they can be copied into.
     pub async fn rx_buf(&mut self) -> &mut [u8] {
         let p = self.rx_chan.send().await;
         &mut p.buf
     }
 
+    /// Check if there is space for more inbound packets right now.
     pub fn try_rx_buf(&mut self) -> Option<&mut [u8]> {
         let p = self.rx_chan.try_send()?;
         Some(&mut p.buf)
     }
 
+    /// Polling the inbound channel if there is space for packets.
     pub fn poll_rx_buf(&mut self, cx: &mut Context) -> Poll<&mut [u8]> {
         match self.rx_chan.poll_send(cx) {
             Poll::Ready(p) => Poll::Ready(&mut p.buf),
@@ -123,22 +147,26 @@ impl<'d, const MTU: usize> Runner<'d, MTU> {
         }
     }
 
+    /// Mark packet of len bytes as pushed to the inbound channel.
     pub fn rx_done(&mut self, len: usize) {
         let p = self.rx_chan.try_send().unwrap();
         p.len = len;
         self.rx_chan.send_done();
     }
 
+    /// Wait until there is space for more outbound packets and return a slice they can be copied into.
     pub async fn tx_buf(&mut self) -> &mut [u8] {
         let p = self.tx_chan.receive().await;
         &mut p.buf[..p.len]
     }
 
+    /// Check if there is space for more outbound packets right now.
     pub fn try_tx_buf(&mut self) -> Option<&mut [u8]> {
         let p = self.tx_chan.try_receive()?;
         Some(&mut p.buf[..p.len])
     }
 
+    /// Polling the outbound channel if there is space for packets.
     pub fn poll_tx_buf(&mut self, cx: &mut Context) -> Poll<&mut [u8]> {
         match self.tx_chan.poll_receive(cx) {
             Poll::Ready(p) => Poll::Ready(&mut p.buf[..p.len]),
@@ -146,12 +174,14 @@ impl<'d, const MTU: usize> Runner<'d, MTU> {
         }
     }
 
+    /// Mark outbound packet as copied.
     pub fn tx_done(&mut self) {
         self.tx_chan.receive_done();
     }
 }
 
 impl<'d> StateRunner<'d> {
+    /// Set link state.
     pub fn set_link_state(&self, state: LinkState) {
         self.shared.lock(|s| {
             let s = &mut *s.borrow_mut();
@@ -160,6 +190,7 @@ impl<'d> StateRunner<'d> {
         });
     }
 
+    /// Set the hardware address.
     pub fn set_hardware_address(&self, address: driver::HardwareAddress) {
         self.shared.lock(|s| {
             let s = &mut *s.borrow_mut();
@@ -170,16 +201,19 @@ impl<'d> StateRunner<'d> {
 }
 
 impl<'d, const MTU: usize> RxRunner<'d, MTU> {
+    /// Wait until there is space for more inbound packets and return a slice they can be copied into.
     pub async fn rx_buf(&mut self) -> &mut [u8] {
         let p = self.rx_chan.send().await;
         &mut p.buf
     }
 
+    /// Check if there is space for more inbound packets right now.
     pub fn try_rx_buf(&mut self) -> Option<&mut [u8]> {
         let p = self.rx_chan.try_send()?;
         Some(&mut p.buf)
     }
 
+    /// Polling the inbound channel if there is space for packets.
     pub fn poll_rx_buf(&mut self, cx: &mut Context) -> Poll<&mut [u8]> {
         match self.rx_chan.poll_send(cx) {
             Poll::Ready(p) => Poll::Ready(&mut p.buf),
@@ -187,6 +221,7 @@ impl<'d, const MTU: usize> RxRunner<'d, MTU> {
         }
     }
 
+    /// Mark packet of len bytes as pushed to the inbound channel.
     pub fn rx_done(&mut self, len: usize) {
         let p = self.rx_chan.try_send().unwrap();
         p.len = len;
@@ -195,16 +230,19 @@ impl<'d, const MTU: usize> RxRunner<'d, MTU> {
 }
 
 impl<'d, const MTU: usize> TxRunner<'d, MTU> {
+    /// Wait until there is space for more outbound packets and return a slice they can be copied into.
     pub async fn tx_buf(&mut self) -> &mut [u8] {
         let p = self.tx_chan.receive().await;
         &mut p.buf[..p.len]
     }
 
+    /// Check if there is space for more outbound packets right now.
     pub fn try_tx_buf(&mut self) -> Option<&mut [u8]> {
         let p = self.tx_chan.try_receive()?;
         Some(&mut p.buf[..p.len])
     }
 
+    /// Polling the outbound channel if there is space for packets.
     pub fn poll_tx_buf(&mut self, cx: &mut Context) -> Poll<&mut [u8]> {
         match self.tx_chan.poll_receive(cx) {
             Poll::Ready(p) => Poll::Ready(&mut p.buf[..p.len]),
@@ -212,11 +250,18 @@ impl<'d, const MTU: usize> TxRunner<'d, MTU> {
         }
     }
 
+    /// Mark outbound packet as copied.
     pub fn tx_done(&mut self) {
         self.tx_chan.receive_done();
     }
 }
 
+/// Create a channel.
+///
+/// Returns a pair of handles for interfacing with the peripheral and the networking stack.
+///
+/// The runner is interfacing with the peripheral at the lower part of the stack.
+/// The device is interfacing with the networking stack on the layer above.
 pub fn new<'d, const MTU: usize, const N_RX: usize, const N_TX: usize>(
     state: &'d mut State<MTU, N_RX, N_TX>,
     hardware_address: driver::HardwareAddress,
@@ -257,17 +302,22 @@ pub fn new<'d, const MTU: usize, const N_RX: usize, const N_TX: usize>(
     )
 }
 
+/// Represents a packet of size MTU.
 pub struct PacketBuf<const MTU: usize> {
     len: usize,
     buf: [u8; MTU],
 }
 
 impl<const MTU: usize> PacketBuf<MTU> {
+    /// Create a new packet buffer.
     pub const fn new() -> Self {
         Self { len: 0, buf: [0; MTU] }
     }
 }
 
+/// Channel device.
+///
+/// Holds the shared state and upper end of channels for inbound and outbound packets.
 pub struct Device<'d, const MTU: usize> {
     rx: zerocopy_channel::Receiver<'d, NoopRawMutex, PacketBuf<MTU>>,
     tx: zerocopy_channel::Sender<'d, NoopRawMutex, PacketBuf<MTU>>,
@@ -314,6 +364,9 @@ impl<'d, const MTU: usize> embassy_net_driver::Driver for Device<'d, MTU> {
     }
 }
 
+/// A rx token.
+///
+/// Holds inbound receive channel and interfaces with embassy-net-driver.
 pub struct RxToken<'a, const MTU: usize> {
     rx: zerocopy_channel::Receiver<'a, NoopRawMutex, PacketBuf<MTU>>,
 }
@@ -331,6 +384,9 @@ impl<'a, const MTU: usize> embassy_net_driver::RxToken for RxToken<'a, MTU> {
     }
 }
 
+/// A tx token.
+///
+/// Holds outbound transmit channel and interfaces with embassy-net-driver.
 pub struct TxToken<'a, const MTU: usize> {
     tx: zerocopy_channel::Sender<'a, NoopRawMutex, PacketBuf<MTU>>,
 }

embassy-net-esp-hosted/Cargo.toml

@@ -2,6 +2,10 @@
 name = "embassy-net-esp-hosted"
 version = "0.1.0"
 edition = "2021"
+description = "embassy-net driver for ESP-Hosted"
+keywords = ["embedded", "esp-hosted", "embassy-net", "embedded-hal-async", "wifi", "async"]
+categories = ["embedded", "hardware-support", "no-std", "network-programming", "async"]
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 defmt = { version = "0.3", optional = true }

embassy-net-esp-hosted/README.md

@@ -0,0 +1,27 @@
+# ESP-Hosted `embassy-net` integration
+
+[`embassy-net`](https://crates.io/crates/embassy-net) integration for Espressif SoCs running the the ESP-Hosted stack.
+
+See [`examples`](https://github.com/embassy-rs/embassy/tree/main/examples/nrf52840) directory for usage examples with the nRF52840.
+
+## Supported chips
+
+- W5500
+- W5100S
+
+## Interoperability
+
+This crate can run on any executor.
+
+It supports any SPI driver implementing [`embedded-hal-async`](https://crates.io/crates/embedded-hal-async).
+
+
+## License
+
+This work is licensed under either of
+
+- Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or
+  http://www.apache.org/licenses/LICENSE-2.0)
+- MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+
+at your option.

embassy-net-esp-hosted/src/control.rs

@@ -5,38 +5,54 @@ use heapless::String;
 use crate::ioctl::Shared;
 use crate::proto::{self, CtrlMsg};
 
+/// Errors reported by control.
 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Error {
+    /// The operation failed with the given error code.
     Failed(u32),
+    /// The operation timed out.
     Timeout,
+    /// Internal error.
     Internal,
 }
 
+/// Handle for managing the network and WiFI state.
 pub struct Control<'a> {
     state_ch: ch::StateRunner<'a>,
     shared: &'a Shared,
 }
 
+/// WiFi mode.
 #[allow(unused)]
 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 enum WifiMode {
+    /// No mode.
     None = 0,
+    /// Client station.
     Sta = 1,
+    /// Access point mode.
     Ap = 2,
+    /// Repeater mode.
     ApSta = 3,
 }
 
 pub use proto::CtrlWifiSecProt as Security;
 
+/// WiFi status.
 #[derive(Clone, Debug)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct Status {
+    /// Service Set Identifier.
     pub ssid: String<32>,
+    /// Basic Service Set Identifier.
     pub bssid: [u8; 6],
+    /// Received Signal Strength Indicator.
     pub rssi: i32,
+    /// WiFi channel.
     pub channel: u32,
+    /// Security mode.
     pub security: Security,
 }
 
@@ -65,6 +81,7 @@ impl<'a> Control<'a> {
         Self { state_ch, shared }
     }
 
+    /// Initialize device.
     pub async fn init(&mut self) -> Result<(), Error> {
         debug!("wait for init event...");
         self.shared.init_wait().await;
@@ -82,6 +99,7 @@ impl<'a> Control<'a> {
         Ok(())
     }
 
+    /// Get the current status.
     pub async fn get_status(&mut self) -> Result<Status, Error> {
         let req = proto::CtrlMsgReqGetApConfig {};
         ioctl!(self, ReqGetApConfig, RespGetApConfig, req, resp);
@@ -95,6 +113,7 @@ impl<'a> Control<'a> {
         })
     }
 
+    /// Connect to the network identified by ssid using the provided password.
     pub async fn connect(&mut self, ssid: &str, password: &str) -> Result<(), Error> {
         let req = proto::CtrlMsgReqConnectAp {
             ssid: unwrap!(String::try_from(ssid)),
@@ -108,6 +127,7 @@ impl<'a> Control<'a> {
         Ok(())
     }
 
+    /// Disconnect from any currently connected network.
     pub async fn disconnect(&mut self) -> Result<(), Error> {
         let req = proto::CtrlMsgReqGetStatus {};
         ioctl!(self, ReqDisconnectAp, RespDisconnectAp, req, resp);

embassy-net-esp-hosted/src/lib.rs

@@ -1,4 +1,6 @@
 #![no_std]
+#![doc = include_str!("../README.md")]
+#![warn(missing_docs)]
 
 use embassy_futures::select::{select4, Either4};
 use embassy_net_driver_channel as ch;
@@ -97,12 +99,14 @@ enum InterfaceType {
 const MAX_SPI_BUFFER_SIZE: usize = 1600;
 const HEARTBEAT_MAX_GAP: Duration = Duration::from_secs(20);
 
+/// State for the esp-hosted driver.
 pub struct State {
     shared: Shared,
     ch: ch::State<MTU, 4, 4>,
 }
 
 impl State {
+    /// Create a new state.
     pub fn new() -> Self {
         Self {
             shared: Shared::new(),
@@ -111,8 +115,13 @@ impl State {
     }
 }
 
+/// Type alias for network driver.
 pub type NetDriver<'a> = ch::Device<'a, MTU>;
 
+/// Create a new esp-hosted driver using the provided state, SPI peripheral and pins.
+///
+/// Returns a device handle for interfacing with embassy-net, a control handle for
+/// interacting with the driver, and a runner for communicating with the WiFi device.
 pub async fn new<'a, SPI, IN, OUT>(
     state: &'a mut State,
     spi: SPI,
@@ -144,6 +153,7 @@ where
     (device, Control::new(state_ch, &state.shared), runner)
 }
 
+/// Runner for communicating with the WiFi device.
 pub struct Runner<'a, SPI, IN, OUT> {
     ch: ch::Runner<'a, MTU>,
     state_ch: ch::StateRunner<'a>,
@@ -166,6 +176,7 @@ where
 {
     async fn init(&mut self) {}
 
+    /// Run the packet processing.
     pub async fn run(mut self) -> ! {
         debug!("resetting...");
         self.reset.set_low().unwrap();

embassy-net-esp-hosted/src/proto.rs

@@ -4,7 +4,7 @@ use heapless::{String, Vec};
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct ScanResult {
+pub(crate) struct ScanResult {
     #[noproto(tag = "1")]
     pub ssid: String<32>,
     #[noproto(tag = "2")]
@@ -19,7 +19,7 @@ pub struct ScanResult {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct ConnectedStaList {
+pub(crate) struct ConnectedStaList {
     #[noproto(tag = "1")]
     pub mac: String<32>,
     #[noproto(tag = "2")]
@@ -29,14 +29,14 @@ pub struct ConnectedStaList {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqGetMacAddress {
+pub(crate) struct CtrlMsgReqGetMacAddress {
     #[noproto(tag = "1")]
     pub mode: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespGetMacAddress {
+pub(crate) struct CtrlMsgRespGetMacAddress {
     #[noproto(tag = "1")]
     pub mac: String<32>,
     #[noproto(tag = "2")]
@@ -45,11 +45,11 @@ pub struct CtrlMsgRespGetMacAddress {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqGetMode {}
+pub(crate) struct CtrlMsgReqGetMode {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespGetMode {
+pub(crate) struct CtrlMsgRespGetMode {
     #[noproto(tag = "1")]
     pub mode: u32,
     #[noproto(tag = "2")]
@@ -58,32 +58,32 @@ pub struct CtrlMsgRespGetMode {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqSetMode {
+pub(crate) struct CtrlMsgReqSetMode {
     #[noproto(tag = "1")]
     pub mode: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespSetMode {
+pub(crate) struct CtrlMsgRespSetMode {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqGetStatus {}
+pub(crate) struct CtrlMsgReqGetStatus {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespGetStatus {
+pub(crate) struct CtrlMsgRespGetStatus {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqSetMacAddress {
+pub(crate) struct CtrlMsgReqSetMacAddress {
     #[noproto(tag = "1")]
     pub mac: String<32>,
     #[noproto(tag = "2")]
@@ -92,18 +92,18 @@ pub struct CtrlMsgReqSetMacAddress {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespSetMacAddress {
+pub(crate) struct CtrlMsgRespSetMacAddress {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqGetApConfig {}
+pub(crate) struct CtrlMsgReqGetApConfig {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespGetApConfig {
+pub(crate) struct CtrlMsgRespGetApConfig {
     #[noproto(tag = "1")]
     pub ssid: String<32>,
     #[noproto(tag = "2")]
@@ -120,7 +120,7 @@ pub struct CtrlMsgRespGetApConfig {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqConnectAp {
+pub(crate) struct CtrlMsgReqConnectAp {
     #[noproto(tag = "1")]
     pub ssid: String<32>,
     #[noproto(tag = "2")]
@@ -135,7 +135,7 @@ pub struct CtrlMsgReqConnectAp {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespConnectAp {
+pub(crate) struct CtrlMsgRespConnectAp {
     #[noproto(tag = "1")]
     pub resp: u32,
     #[noproto(tag = "2")]
@@ -144,11 +144,11 @@ pub struct CtrlMsgRespConnectAp {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqGetSoftApConfig {}
+pub(crate) struct CtrlMsgReqGetSoftApConfig {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespGetSoftApConfig {
+pub(crate) struct CtrlMsgRespGetSoftApConfig {
     #[noproto(tag = "1")]
     pub ssid: String<32>,
     #[noproto(tag = "2")]
@@ -169,7 +169,7 @@ pub struct CtrlMsgRespGetSoftApConfig {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqStartSoftAp {
+pub(crate) struct CtrlMsgReqStartSoftAp {
     #[noproto(tag = "1")]
     pub ssid: String<32>,
     #[noproto(tag = "2")]
@@ -188,7 +188,7 @@ pub struct CtrlMsgReqStartSoftAp {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespStartSoftAp {
+pub(crate) struct CtrlMsgRespStartSoftAp {
     #[noproto(tag = "1")]
     pub resp: u32,
     #[noproto(tag = "2")]
@@ -197,11 +197,11 @@ pub struct CtrlMsgRespStartSoftAp {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqScanResult {}
+pub(crate) struct CtrlMsgReqScanResult {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespScanResult {
+pub(crate) struct CtrlMsgRespScanResult {
     #[noproto(tag = "1")]
     pub count: u32,
     #[noproto(repeated, tag = "2")]
@@ -212,11 +212,11 @@ pub struct CtrlMsgRespScanResult {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqSoftApConnectedSta {}
+pub(crate) struct CtrlMsgReqSoftApConnectedSta {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespSoftApConnectedSta {
+pub(crate) struct CtrlMsgRespSoftApConnectedSta {
     #[noproto(tag = "1")]
     pub num: u32,
     #[noproto(repeated, tag = "2")]
@@ -227,43 +227,43 @@ pub struct CtrlMsgRespSoftApConnectedSta {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqOtaBegin {}
+pub(crate) struct CtrlMsgReqOtaBegin {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespOtaBegin {
+pub(crate) struct CtrlMsgRespOtaBegin {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqOtaWrite {
+pub(crate) struct CtrlMsgReqOtaWrite {
     #[noproto(tag = "1")]
     pub ota_data: Vec<u8, 1024>,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespOtaWrite {
+pub(crate) struct CtrlMsgRespOtaWrite {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqOtaEnd {}
+pub(crate) struct CtrlMsgReqOtaEnd {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespOtaEnd {
+pub(crate) struct CtrlMsgRespOtaEnd {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqVendorIeData {
+pub(crate) struct CtrlMsgReqVendorIeData {
     #[noproto(tag = "1")]
     pub element_id: u32,
     #[noproto(tag = "2")]
@@ -278,7 +278,7 @@ pub struct CtrlMsgReqVendorIeData {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqSetSoftApVendorSpecificIe {
+pub(crate) struct CtrlMsgReqSetSoftApVendorSpecificIe {
     #[noproto(tag = "1")]
     pub enable: bool,
     #[noproto(tag = "2")]
@@ -291,32 +291,32 @@ pub struct CtrlMsgReqSetSoftApVendorSpecificIe {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespSetSoftApVendorSpecificIe {
+pub(crate) struct CtrlMsgRespSetSoftApVendorSpecificIe {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqSetWifiMaxTxPower {
+pub(crate) struct CtrlMsgReqSetWifiMaxTxPower {
     #[noproto(tag = "1")]
     pub wifi_max_tx_power: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespSetWifiMaxTxPower {
+pub(crate) struct CtrlMsgRespSetWifiMaxTxPower {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqGetWifiCurrTxPower {}
+pub(crate) struct CtrlMsgReqGetWifiCurrTxPower {}
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespGetWifiCurrTxPower {
+pub(crate) struct CtrlMsgRespGetWifiCurrTxPower {
     #[noproto(tag = "1")]
     pub wifi_curr_tx_power: u32,
     #[noproto(tag = "2")]
@@ -325,7 +325,7 @@ pub struct CtrlMsgRespGetWifiCurrTxPower {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgReqConfigHeartbeat {
+pub(crate) struct CtrlMsgReqConfigHeartbeat {
     #[noproto(tag = "1")]
     pub enable: bool,
     #[noproto(tag = "2")]
@@ -334,7 +334,7 @@ pub struct CtrlMsgReqConfigHeartbeat {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgRespConfigHeartbeat {
+pub(crate) struct CtrlMsgRespConfigHeartbeat {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
@@ -342,28 +342,28 @@ pub struct CtrlMsgRespConfigHeartbeat {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgEventEspInit {
+pub(crate) struct CtrlMsgEventEspInit {
     #[noproto(tag = "1")]
     pub init_data: Vec<u8, 64>,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgEventHeartbeat {
+pub(crate) struct CtrlMsgEventHeartbeat {
     #[noproto(tag = "1")]
     pub hb_num: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgEventStationDisconnectFromAp {
+pub(crate) struct CtrlMsgEventStationDisconnectFromAp {
     #[noproto(tag = "1")]
     pub resp: u32,
 }
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsgEventStationDisconnectFromEspSoftAp {
+pub(crate) struct CtrlMsgEventStationDisconnectFromEspSoftAp {
     #[noproto(tag = "1")]
     pub resp: u32,
     #[noproto(tag = "2")]
@@ -372,7 +372,7 @@ pub struct CtrlMsgEventStationDisconnectFromEspSoftAp {
 
 #[derive(Debug, Default, Clone, Eq, PartialEq, noproto::Message)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub struct CtrlMsg {
+pub(crate) struct CtrlMsg {
     /// msg_type could be req, resp or Event
     #[noproto(tag = "1")]
     pub msg_type: CtrlMsgType,
@@ -390,7 +390,7 @@ pub struct CtrlMsg {
 /// union of all msg ids
 #[derive(Debug, Clone, Eq, PartialEq, noproto::Oneof)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlMsgPayload {
+pub(crate) enum CtrlMsgPayload {
     /// * Requests *
     #[noproto(tag = "101")]
     ReqGetMacAddress(CtrlMsgReqGetMacAddress),
@@ -492,7 +492,7 @@ pub enum CtrlMsgPayload {
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlVendorIeType {
+pub(crate) enum CtrlVendorIeType {
     #[default]
     Beacon = 0,
     ProbeReq = 1,
@@ -504,7 +504,7 @@ pub enum CtrlVendorIeType {
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlVendorIeid {
+pub(crate) enum CtrlVendorIeid {
     #[default]
     Id0 = 0,
     Id1 = 1,
@@ -513,7 +513,7 @@ pub enum CtrlVendorIeid {
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlWifiMode {
+pub(crate) enum CtrlWifiMode {
     #[default]
     None = 0,
     Sta = 1,
@@ -524,7 +524,7 @@ pub enum CtrlWifiMode {
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlWifiBw {
+pub(crate) enum CtrlWifiBw {
     #[default]
     BwInvalid = 0,
     Ht20 = 1,
@@ -534,13 +534,15 @@ pub enum CtrlWifiBw {
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlWifiPowerSave {
+pub(crate) enum CtrlWifiPowerSave {
     #[default]
     PsInvalid = 0,
     MinModem = 1,
     MaxModem = 2,
 }
 
+/// Wifi Security Settings
+#[allow(missing_docs)]
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
@@ -560,7 +562,7 @@ pub enum CtrlWifiSecProt {
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlStatus {
+pub(crate) enum CtrlStatus {
     #[default]
     Connected = 0,
     NotConnected = 1,
@@ -573,7 +575,7 @@ pub enum CtrlStatus {
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlMsgType {
+pub(crate) enum CtrlMsgType {
     #[default]
     MsgTypeInvalid = 0,
     Req = 1,
@@ -585,7 +587,7 @@ pub enum CtrlMsgType {
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Hash, PartialOrd, Ord, noproto::Enumeration)]
 #[repr(u32)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
-pub enum CtrlMsgId {
+pub(crate) enum CtrlMsgId {
     #[default]
     MsgIdInvalid = 0,
     /// * Request Msgs *

embassy-stm32/src/rtc/mod.rs

@@ -130,7 +130,7 @@ impl RtcTimeProvider {
             let weekday = day_of_week_from_u8(dr.wdu()).map_err(RtcError::InvalidDateTime)?;
             let day = bcd2_to_byte((dr.dt(), dr.du()));
             let month = bcd2_to_byte((dr.mt() as u8, dr.mu()));
-            let year = bcd2_to_byte((dr.yt(), dr.yu())) as u16 + 1970_u16;
+            let year = bcd2_to_byte((dr.yt(), dr.yu())) as u16 + 2000_u16;
 
             DateTime::from(year, month, day, weekday, hour, minute, second).map_err(RtcError::InvalidDateTime)
         })
@@ -261,7 +261,7 @@ impl Rtc {
             let (dt, du) = byte_to_bcd2(t.day() as u8);
             let (mt, mu) = byte_to_bcd2(t.month() as u8);
             let yr = t.year() as u16;
-            let yr_offset = (yr - 1970_u16) as u8;
+            let yr_offset = (yr - 2000_u16) as u8;
             let (yt, yu) = byte_to_bcd2(yr_offset);
 
             use crate::pac::rtc::vals::Ampm;