Updating dependencies

Cargo.lock

@@ -707,7 +707,7 @@ dependencies = [
 [[package]]
 name = "smoltcp-nal"
 version = "0.1.0"
-source = "git+https://github.com/quartiq/smoltcp-nal.git?branch=feature/dhcp-support#b3de37939140d04a64c79afddb97b81ff49e1f23"
+source = "git+https://github.com/quartiq/smoltcp-nal.git?branch=feature/dhcp-support#79fd03e3d051402c71116839606e5b3294372c98"
 dependencies = [
  "embedded-nal",
  "heapless 0.6.1",

src/bin/dual-iir.rs

@@ -148,7 +148,7 @@ const APP: () = {
                     Ok(updated) => !updated,
                     Err(err) => {
                         log::info!("Network error: {:?}", err);
-                        true
+                        false
                     }
                 }
             });

src/bin/lockin-external.rs

@@ -217,15 +217,24 @@ const APP: () = {
                 }
             });
 
-            if c.resources
+            match c
+                .resources
                 .mqtt_interface
-                .lock(|interface| interface.update().unwrap())
+                .lock(|interface| interface.update())
             {
-                c.spawn.settings_update().unwrap()
+                Ok(update) => {
+                    if update {
+                        c.spawn.settings_update().unwrap();
                     } else if sleep {
                         cortex_m::asm::wfi();
                     }
                 }
+                Err(miniconf::MqttError::Network(
+                    smoltcp_nal::NetworkError::NoIpAddress,
+                )) => {}
+                Err(error) => log::info!("Unexpected error: {:?}", error),
+            }
+        }
     }
 
     #[task(priority = 1, resources=[mqtt_interface, settings, afes])]