From 77d75677077d5ceb8c972bee50ff503c4bde5251 Mon Sep 17 00:00:00 2001
From: Will Tatam <will@netmindz.net>
Date: Sat, 18 Feb 2023 13:17:09 +0000
Subject: [PATCH] Inital code on adding DMX input support

---
 wled00/dmx.cpp       | 8 ++++++++
 wled00/fcn_declare.h | 1 +
 wled00/wled.cpp      | 3 +++
 wled00/wled.h        | 1 +
 4 files changed, 13 insertions(+)

diff --git a/wled00/dmx.cpp b/wled00/dmx.cpp
index 933bfe62..56748972 100644
--- a/wled00/dmx.cpp
+++ b/wled00/dmx.cpp
@@ -94,3 +94,11 @@ void initDMX() {
 void handleDMX() {}
 void initDMX() {}
 #endif
+
+#ifdef WLED_ENABLE_DMX_INPUT
+void handleDMXInput() {
+  dmx.update();
+  dmx.read(1); // TODO - handle code
+  DEBUG_PRINTF("DMX channel 1 = %u", dmx.read(1)); // TODO: remove from final code
+}
+#endif
\ No newline at end of file
diff --git a/wled00/fcn_declare.h b/wled00/fcn_declare.h
index 5ebbcbd9..f4ef9f8c 100644
--- a/wled00/fcn_declare.h
+++ b/wled00/fcn_declare.h
@@ -78,6 +78,7 @@ uint32_t gamma32(uint32_t);
 //dmx.cpp
 void initDMX();
 void handleDMX();
+void handleDMXInput();
 
 //e131.cpp
 void handleE131Packet(e131_packet_t* p, IPAddress clientIP, byte protocol);
diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index ead5e37b..bc11c3d1 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -56,6 +56,9 @@ void WLED::loop()
   handleTransitions();
 #ifdef WLED_ENABLE_DMX
   handleDMX();
+#endif
+#ifdef WLED_ENABLE_DMX_INPUT
+  handleDMXInput();
 #endif
   userLoop();
 
diff --git a/wled00/wled.h b/wled00/wled.h
index 52f05c15..2147cce3 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -33,6 +33,7 @@
 #endif
 #define WLED_ENABLE_ADALIGHT       // saves 500b only (uses GPIO3 (RX) for serial)
 //#define WLED_ENABLE_DMX          // uses 3.5kb (use LEDPIN other than 2)
+#define WLED_ENABLE_DMX_INPUT      // Listen for DMX over Serial
 //#define WLED_ENABLE_JSONLIVE     // peek LED output via /json/live (WS binary peek is always enabled)
 #ifndef WLED_DISABLE_LOXONE
   #define WLED_ENABLE_LOXONE       // uses 1.2kb