From a604fce2f3253069b79eb0e2e1fb0155b09fb657 Mon Sep 17 00:00:00 2001
From: blckmn <blackman@xtra.com.au>
Date: Fri, 20 Jun 2025 21:18:02 +1000
Subject: [PATCH] Checks for refresh

---
 src/js/protocols/WebSerial.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/js/protocols/WebSerial.js b/src/js/protocols/WebSerial.js
index 945a8c75..04189590 100644
--- a/src/js/protocols/WebSerial.js
+++ b/src/js/protocols/WebSerial.js
@@ -44,6 +44,7 @@ class WebSerial extends EventTarget {
         this.closeRequested = false;
         this.transmitting = false;
         this.connectionInfo = null;
+        this.refreshRequired = true;
 
         this.bitrate = 0;
         this.bytesSent = 0;
@@ -79,7 +80,7 @@ class WebSerial extends EventTarget {
         const added = this.createPort(device);
         this.ports.push(added);
         this.dispatchEvent(new CustomEvent("addedDevice", { detail: added }));
-
+        this.refreshRequired = true;
         return added;
     }
 
@@ -87,6 +88,7 @@ class WebSerial extends EventTarget {
         const removed = this.ports.find((port) => port.port === device);
         this.ports = this.ports.filter((port) => port.port !== device);
         this.dispatchEvent(new CustomEvent("removedDevice", { detail: removed }));
+        this.refreshRequired = true;
     }
 
     handleReceiveBytes(info) {
@@ -121,6 +123,7 @@ class WebSerial extends EventTarget {
             const ports = await navigator.serial.getPorts();
             this.portCounter = 1;
             this.ports = ports.map((port) => this.createPort(port));
+            this.refreshRequired = false;
         } catch (error) {
             console.error(`${logHead} Error loading devices:`, error);
         }
@@ -142,11 +145,14 @@ class WebSerial extends EventTarget {
         } catch (error) {
             console.error(`${logHead} User didn't select any SERIAL device when requesting permission:`, error);
         }
+        this.refreshRequired = true;
         return newPermissionPort;
     }
 
     async getDevices() {
-        await this.loadDevices();
+        if (this.refreshRequired) {
+            await this.loadDevices();
+        }
         return this.ports;
     }