From 8e3d303e511a5e0ad03fd7cb1414a608ecbec49e Mon Sep 17 00:00:00 2001
From: Adrian Baumgart <adrian@abmgrt.dev>
Date: Thu, 9 May 2024 01:03:27 +0200
Subject: [PATCH] check channel and value data before sending

---
 src/ConvertHandler.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ConvertHandler.ts b/src/ConvertHandler.ts
index c428f81..0f6ea5f 100644
--- a/src/ConvertHandler.ts
+++ b/src/ConvertHandler.ts
@@ -65,7 +65,9 @@ export default class ConvertHandler {
         this.usbdmxInCounter++;
         if (this.outputAllowed) {
             for (let i = 0; i < data.length; i++) {
-                this.artNetSender.prepChannel(startChannel + i, data[i]);
+                if ((startChannel + i) >= 0 && (startChannel + i) < 512 && data[i] >= 0 && data[i] < 256) {
+                    this.artNetSender.prepChannel(startChannel + i, data[i]);
+                }
             }
             this.artnetOutCounter++;
             this.artNetSender.transmit();