Catch case where VISA gives us a stale resource

tektronix · Sep 24, 2024 · b82e365 · b82e365
1 parent a95fd8c
commit b82e365
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/kic-discover-visa/src/visa.rs b/kic-discover-visa/src/visa.rs
@@ -30,7 +30,14 @@ pub async fn visa_discover(timeout: Option<Duration>) -> anyhow::Result<HashSet<
             continue;
         }
         trace!("Connecting to {i:?} to get info");
-        let mut connected = rm.open(&i, AccessMode::NO_LOCK, visa_rs::TIMEOUT_IMMEDIATE)?;
+        let mut connected = match rm.open(&i, AccessMode::NO_LOCK, visa_rs::TIMEOUT_IMMEDIATE) {
+            Ok(c) => c,
+            Err(_) => {
+                trace!("Resource {i} no longer available, skipping.");
+                continue;
+            }
+        };
+
         trace!("Getting info from {connected:?}");
         let mut info = get_info(&mut connected)?;
         info.address = Some(ConnectionAddr::Visa(i.clone()));