From 281a9041e7c6e94a46ca02a70c57cb0ff79bc8c8 Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Thu, 1 Feb 2018 19:03:13 +0100
Subject: [PATCH 1/3] add pinout notes

---
 pinbelegung.txt | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 pinbelegung.txt

diff --git a/pinbelegung.txt b/pinbelegung.txt
new file mode 100644
index 0000000..77e5a98
--- /dev/null
+++ b/pinbelegung.txt
@@ -0,0 +1,17 @@
+Serial - ESP
+
+GND - GND
+5V - 5V
+TX - D1
+RX - D2
+
+MC14050 - 
+1 - LM7805(Out)
+2 - Widerstand - LED Data
+3 - D7
+8 - GND
+
+ESP - 
+5V - LM7805(Out)
+GND - LM7805(GND)
+In - LED(12V)

From 699f1e12e7e944957872b69661783bdd667023ff Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Thu, 1 Feb 2018 22:18:58 +0100
Subject: [PATCH 2/3] add config.json preset

---
 config.json | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 config.json

diff --git a/config.json b/config.json
new file mode 100644
index 0000000..757b4a5
--- /dev/null
+++ b/config.json
@@ -0,0 +1,16 @@
+{
+"name": "esp-videoswitcher",
+"device_id": "esp-videoswitcher",
+"wifi": {
+"ssid": "",
+"password": ""
+},
+"mqtt": {
+"host": "raum.ctdo.de",
+"port": 1883,
+"auth": false
+},
+"ota": {
+"enabled": false
+}
+}
\ No newline at end of file

From 7ee666afa789f03c89b511c4b6be5b06cc42d5b8 Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Thu, 1 Feb 2018 22:19:32 +0100
Subject: [PATCH 3/3] add working equalizer

---
 NeoPatterns.cpp       | 39 +++++++++++++++++++++++++++++
 NeoPatterns.h         | 26 ++++++++++++++++++-
 esp-videoswitcher.ino | 58 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 122 insertions(+), 1 deletion(-)

diff --git a/NeoPatterns.cpp b/NeoPatterns.cpp
index 6a6ded8..bb39dc3 100644
--- a/NeoPatterns.cpp
+++ b/NeoPatterns.cpp
@@ -690,6 +690,7 @@ void NeoPatterns::setupboxs() {
   boxs[0].right = 39;
 }
 
+
 void NeoPatterns::colorCircleSegment(uint8_t wheelid, uint32_t c){ //color a wheel segment
   for (int i=0;i<6;i++) {
     setPixelColor(boxcircle[wheelid][i], c);
@@ -847,4 +848,42 @@ uint32_t NeoPatterns::parseColor(String value) {
 
 
 
+void NeoPatterns::Equalizer(uint8_t eqvalues[]){ //display equalizer (not used as "effect")
+  //eqvalues[] of size 8, each contains a value from 0 to 8 (inclusive)
+  setEqBar(0,eqvalues[0]);
+  setEqBar(1,eqvalues[1]);
+  setEqBar(2,eqvalues[2]);
+  setEqBar(3,eqvalues[3]);
+  setEqBar(4,eqvalues[4]);
+  setEqBar(5,eqvalues[5]);
+  setEqBar(6,eqvalues[6]);
+  setEqBar(7,eqvalues[7]);
+  setEqBar(8,eqvalues[7]);
+
+  setEqBar(17,eqvalues[0]);
+  setEqBar(16,eqvalues[1]);
+  setEqBar(15,eqvalues[2]);
+  setEqBar(14,eqvalues[3]);
+  setEqBar(13,eqvalues[4]);
+  setEqBar(12,eqvalues[5]);
+  setEqBar(11,eqvalues[6]);
+  setEqBar(10,eqvalues[7]);
+  setEqBar(9,eqvalues[7]);
+  
+  
+  show();
+}
+//helper function
+void NeoPatterns::setEqBar(uint8_t barid,uint8_t pvalue){ //barid is the bar from ledEq array (vertical),pvalue is the amplitude
+  for (uint8_t i=0;i<8;i++){
+    uint8_t ledId=ledEq[barid][i];
+    uint32_t backgroundColor=Color(0,0,0);
+    if (i<pvalue){
+      setPixelColor(ledId,Wheel((i*32+100)%256));
+    }else{
+      setPixelColor(ledId,backgroundColor);
+    }
+  }
+}
+
 
diff --git a/NeoPatterns.h b/NeoPatterns.h
index 16ba39f..8edeae0 100644
--- a/NeoPatterns.h
+++ b/NeoPatterns.h
@@ -36,6 +36,8 @@ class NeoPatterns : public Adafruit_NeoPixel
     void PlasmaUpdate();
     void Radar(float radarspeed = 0.5,float radarthickness = 1, uint8_t interval = 50);
     void RadarUpdate();
+    void Equalizer(uint8_t eqvalues[]);
+    void setEqBar(uint8_t barid,uint8_t pvalue);
 
     void SetColor1(uint32_t color);
     void SetColor2(uint32_t color);
@@ -71,7 +73,7 @@ class NeoPatterns : public Adafruit_NeoPixel
       {58,59,60,60,60,60},
       {61,62,63,63,63,63},
       {64,65,66,66,66,66},
-      {67,68,69,69,69,69},
+      {67,68,69,69,69,69}
       };
     /*uint8_t boxcircle[32][4]={
       {0,0,0,0}, //0
@@ -107,6 +109,28 @@ class NeoPatterns : public Adafruit_NeoPixel
       {67,68,68,68},
       {69,69,69,69} //31
       };*/
+
+      uint8_t ledEq[18][8]={
+        {23,20,17,14,11,8,8,8},
+        {22,19,16,13,10,7,7,7},
+        {21,18,15,12,9,6,6,6},
+        {26,29,255,255,255,5,5,5},
+        {25,28,255,255,255,4,4,4},
+        {24,27,255,255,255,3,3,3},
+        {34,33,32,31,30,2,2,2},
+        {255,255,255,255,255,1,1,1},
+        {255,255,255,255,255,0,0,0},
+
+        {255,255,255,255,255,69,69,69},
+        {255,255,255,255,255,68,68,68},
+        {39,38,37,36,35,67,67,67},
+        {45,42,255,255,255,66,66,66},
+        {44,41,255,255,255,65,65,65},
+        {43,40,255,255,255,64,64,64},
+        {48,51,54,57,60,63,63,63},
+        {47,50,53,56,59,62,62,62},
+        {46,49,52,55,58,61,61,61}
+        };
     
     void setupboxs();
     void colorBox(uint8_t boxid, uint32_t c);
diff --git a/esp-videoswitcher.ino b/esp-videoswitcher.ino
index 5cb4cc5..97cfd76 100644
--- a/esp-videoswitcher.ino
+++ b/esp-videoswitcher.ino
@@ -1,8 +1,13 @@
+//Wemos D1 R2 mini
+//4M (1M SPIFFS)
+//80 MHz
+//115200
 #include <Homie.h>
 #include <ArduinoOTA.h>
 #include <Arduino.h>
 #include <SoftwareSerial.h>
 #include "NeoPatterns.h"
+#include <WiFiUdp.h>
 
 #define PIN D7
 // #define BIGPIXELS 20
@@ -29,6 +34,10 @@ String output2 = "";
 
 unsigned long lastMillis = 0;
 
+WiFiUDP Udp;
+unsigned int localUdpPort = 4210;  // local port to listen on
+char incomingPacket[255];  // buffer for incoming packets
+
 
 /*
  * 25 Boxen insgesamt
@@ -313,6 +322,7 @@ void setup() {
 
   Homie.setup();
 
+
   strip.begin();
   strip.clear();
   strip.show();
@@ -337,6 +347,14 @@ void setup() {
   });
   
   ArduinoOTA.begin();
+
+  while(WiFi.localIP().toString()=="0.0.0.0"){
+    Serial.println(WiFi.localIP());
+    delay(10);
+  }
+  Udp.begin(localUdpPort);
+  Serial.printf("Now listening on UDP port %d \n", localUdpPort);
+  Serial.println(WiFi.localIP());
 }
 
 void loop() {
@@ -392,4 +410,44 @@ void loop() {
       currentnumber = 0;
     }
   }
+
+  //UDP
+  int packetSize = Udp.parsePacket();
+  if (packetSize)
+  {
+    // receive incoming UDP packets
+    //Serial.printf("Received %d bytes from %s, port %d\n", packetSize, Udp.remoteIP().toString().c_str(), Udp.remotePort());
+    int len = Udp.read(incomingPacket, 255);
+    if (len > 0)
+    {
+      incomingPacket[len] = 0;
+    }
+    //uint16_t data=incomingPacket[0]<<8 | incomingPacket[1];
+    
+    //Serial.printf("UDP packet contents: %s\n", incomingPacket);
+
+    uint8_t bar[8];
+    
+
+    bar[0]=incomingPacket[0]%16;
+    bar[1]=incomingPacket[0]/16;
+    bar[2]=incomingPacket[1]%16;
+    bar[3]=incomingPacket[1]/16;
+    bar[4]=incomingPacket[2]%16;
+    bar[5]=incomingPacket[2]/16;
+    bar[6]=incomingPacket[3]%16;
+    bar[7]=incomingPacket[3]/16;
+
+    strip.Equalizer(bar);
+
+    strip.Stop(); //Stop effect
+
+    //bar_ contains a number from 0 to 7 (inclusive)
+    
+    
+    //printBinary(mapData(data));
+    //shiftRelais(mapData(data));
+
+  }
 }
+