Updating after testing

Cargo.toml

@@ -78,7 +78,7 @@ pounder_v1_1 = [ ]
 [profile.dev]
 codegen-units = 1
 incremental = false
-opt-level = 3
+opt-level = 1
 
 [profile.release]
 opt-level = 3

src/hardware/configuration.rs

@@ -7,7 +7,7 @@ use stm32h7xx_hal::{
     prelude::*,
 };
 
-const NUM_SOCKETS: usize = 4;
+const NUM_SOCKETS: usize = 5;
 
 use heapless::{consts, Vec};
 use smoltcp_nal::smoltcp;
@@ -62,7 +62,7 @@ impl NetStorage {
             )],
             neighbor_cache: [None; 8],
             routes_cache: [None; 8],
-            sockets: [None, None, None, None, None],
+            sockets: [None, None, None, None, None, None],
             socket_storage: [SocketStorage::new(); NUM_SOCKETS],
             dhcp_tx_storage: [0; 600],
             dhcp_rx_storage: [0; 600],

src/net/data_stream.rs

@@ -67,11 +67,9 @@ pub struct DataStream {
     stack: NetworkReference,
     socket: Option<<NetworkReference as TcpStack>::TcpSocket>,
     queue: Consumer<'static, AdcDacData, BlockBufferSize>,
-    current_index: u32,
     remote: Option<SocketAddr>,
 }
 
-#[derive(Serialize)]
 struct DataBlock {
     block_id: u32,
     block_size: usize,
@@ -79,6 +77,24 @@ struct DataBlock {
     dacs: [[u16; SAMPLE_BUFFER_SIZE]; 2],
 }
 
+impl DataBlock {
+    pub fn serialize<T: heapless::ArrayLength<u8>>(self) -> Vec<u8, T> {
+        let mut vec: Vec<u8, T> = Vec::new();
+        vec.extend_from_slice(&self.block_id.to_be_bytes()).unwrap();
+        vec.extend_from_slice(&self.block_size.to_be_bytes()).unwrap();
+        for device in &[self.adcs, self.dacs] {
+            for channel in device {
+                for sample in channel {
+                    vec.extend_from_slice(&sample.to_be_bytes()).unwrap();
+                }
+            }
+        }
+
+        vec
+    }
+
+}
+
 impl DataStream {
     pub fn new(
         stack: NetworkReference,
@@ -87,17 +103,22 @@ impl DataStream {
         Self {
             stack,
             socket: None,
-            current_index: 0,
             remote: None,
             queue: consumer,
         }
     }
 
-    fn open(&mut self, remote: SocketAddr) -> Result<(), ()> {
+    fn close(&mut self) {
-        if self.socket.is_some() {
         // Note(unwrap): We guarantee that the socket is available above.
         let socket = self.socket.take().unwrap();
         self.stack.close(socket).unwrap();
+
+        log::info!("Stream Disconnecting");
+    }
+
+    fn open(&mut self, remote: SocketAddr) -> Result<(), ()> {
+        if self.socket.is_some() {
+            self.close();
         }
 
         let socket =
@@ -105,15 +126,14 @@ impl DataStream {
                 .open(Mode::NonBlocking)
                 .map_err(|err| match err {
                     <NetworkReference as TcpStack>::Error::NoIpAddress => (),
-                    other => {
+                    _ => ()
-                        log::info!("Network Error: {:?}", other);
-                        ()
-                    }
                 })?;
 
         // TODO: How should we handle a connection failure?
         let socket = self.stack.connect(socket, remote).unwrap();
 
+        log::info!("Stream connecting to {:?}", remote);
+
         // Note(unwrap): The socket will be empty before we replace it.
         self.socket.replace(socket);
 
@@ -133,16 +153,36 @@ impl DataStream {
         self.remote = Some(remote);
     }
 
+    fn manage_reconnection(&mut self) {
+        if self.socket.is_none() || self.remote.is_none() {
+            return
+        }
+
+        let mut socket = self.socket.borrow_mut().unwrap();
+        let connected = match self.stack.is_connected(&mut socket) {
+            Ok(connected) => connected,
+            _ => return,
+        };
+
+        if !connected {
+            self.socket.replace(self.stack.connect(socket, self.remote.unwrap()).unwrap());
+        }
+    }
+
     pub fn process(&mut self) {
-        while let Some(data) = self.queue.dequeue() {
+        if let Some(data) = self.queue.dequeue() {
+
             // If there's no socket available, try to connect to our remote.
             if self.socket.is_none() && self.remote.is_some() {
                 // If we still can't open the remote, continue.
                 if self.open(self.remote.unwrap()).is_err() {
-                    continue;
+                    return;
                 }
             }
 
+            // Reconnect the socket if we're no longer connected.
+            self.manage_reconnection();
+
             let block = DataBlock {
                 adcs: data.adcs,
                 dacs: data.dacs,
@@ -150,21 +190,23 @@ impl DataStream {
                 block_size: SAMPLE_BUFFER_SIZE,
             };
 
-            // Increment the current block index.
-            self.current_index = self.current_index.wrapping_add(1);
-
             // Serialize the datablock.
             // TODO: Do we want to packetize the data block as well?
-            let data: Vec<u8, heapless::consts::U256> =
+            let data: Vec<u8, heapless::consts::U256> = block.serialize();
-                postcard::to_vec(&block).unwrap();
 
             let mut socket = self.socket.borrow_mut().unwrap();
 
             // Transmit the data block.
             // TODO: How should we handle partial packet transmission?
+            // TODO: Should we measure how many packets get dropped as telemetry?
             match self.stack.write(&mut socket, &data) {
-                Ok(len) => assert!(len == data.len()),
+                Ok(len) => {
-                _ => info!("Dropping packet"),
+                    if len != data.len() {
+                        log::warn!("Short message: {} {}", len, data.len());
+                        //self.close();
+                    }
+                },
+                _ => {},
             }
         }
     }