Added init with sendPin

README.adoc

@@ -11,7 +11,7 @@ To use, download and move the folder to your `Arduino/libraries` location, and r
 
 = API =
 
-* `init(channels)` Starts the DMX library with Serial1. If no channels are given, defaults to 32.
+* `init(channels, outputPin)` Starts the DMX library with Serial1. If no channels are given, defaults to 32. Optional outputPin, defaults Pin 2. If 
 * `write(channel, value)` Writes a value to DMX buffer.
 * `update()` Calls for the DMX buffer to be sent. Currently, it has to be called inside the main loop.
 * `end()` Ends ESPDMX controller.

src/ESPDMX.cpp

@@ -55,6 +55,22 @@ void DMXESPSerial::init(int chanQuant) {
   dmxStarted = true;
 }
 
+// Set up the DMX-Protocol
+void DMXESPSerial::init(int chanQuant, int outputPin) {
+
+  sendPin = outputPin;
+
+  if (chanQuant > dmxMaxChannel || chanQuant <= 0) {
+    chanQuant = defaultMax;
+  }
+
+  chanSize = chanQuant;
+
+  Serial1.begin(DMXSPEED);
+  pinMode(sendPin, OUTPUT);
+  dmxStarted = true;
+}
+
 // Function to read DMX data
 uint8_t DMXESPSerial::read(int Channel) {
   if (dmxStarted == false) init();

src/ESPDMX.h

@@ -22,6 +22,7 @@ class DMXESPSerial {
 public:
   void init();
   void init(int MaxChan);
+  void init(int MaxChan, int outputPin);
   uint8_t read(int Channel);
   void write(int channel, uint8_t value);
   void update();