From 16c06fd3701e78a5fd55162994df1c145ce880af Mon Sep 17 00:00:00 2001
From: Hendrik Rauh <114620133+HendrikRauh@users.noreply.github.com>
Date: Wed, 18 Dec 2024 21:59:56 +0100
Subject: [PATCH] only sending non 0 values

---
 src/routes/channels.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/routes/channels.cpp b/src/routes/channels.cpp
index f3bb74d..a9b6f5d 100644
--- a/src/routes/channels.cpp
+++ b/src/routes/channels.cpp
@@ -6,12 +6,20 @@ void onGetChannels(AsyncWebServerRequest *request, DMXESPSerial dmx1, DMXESPSeri
 
     for (int channel = 1; channel <= DMXCHANNELS; channel++)
     {
-        doc["dmx1"][String(channel)] = dmx1.read(channel);
+        uint8_t value = dmx1.read(channel);
+        if (value != 0)
+        {
+            doc["dmx1"][String(channel)] = value;
+        }
     }
 
     for (int channel = 1; channel <= DMXCHANNELS; channel++)
     {
-        doc["dmx2"][String(channel)] = dmx2.read(channel);
+        uint8_t value = dmx2.read(channel);
+        if (value != 0)
+        {
+            doc["dmx2"][String(channel)] = value;
+        }
     }
 
     String jsonBuffer;