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NeoPatterns.cpp

@@ -46,6 +46,9 @@ void NeoPatterns::Update() {
       case ICON:
         IconUpdate();
         break;
+      case TEXT:
+        TextUpdate();
+        break;
       case PLASMA:
         PlasmaUpdate();
         break;
@@ -471,6 +474,76 @@ void NeoPatterns::IconComplete()
   PlasmaColorStretch = SavedPlasmaColorStretch;  
 }
 
+/****************** Text ******************/
+
+void NeoPatterns::Text(String text, uint8_t interval)
+{
+  // Save last effect, should be called after completion again
+  SavedPattern = ActivePattern;
+  SavedInterval = Interval;
+  SavedTotalSteps = TotalSteps;
+  SavedIndex = Index;
+  SavedColor1 = Color1;
+  SavedDirection  = Direction;
+  SavedPlasmaPhase = PlasmaPhase;
+  SavedPlasmaPhaseIncrement = PlasmaPhaseIncrement;
+  SavedPlasmaColorStretch = PlasmaColorStretch;
+  ActivePattern = TEXT;
+  Interval = interval;
+  // textlength*8
+  TotalSteps = text.length()*8;
+  Index = TotalSteps;
+  Text1 = text;
+  // FontChar = fontchar;
+  Direction = REVERSE;
+  Color1 = 255*255*255;
+  textposition=0;
+  charposition=0;
+}
+
+void NeoPatterns::TextUpdate()
+{
+  // textposition++;
+  charposition++;
+  if (charposition == 9)
+  {
+    charposition = 0;
+    textposition++;
+  }
+  uint8_t FontChar = Text1[textposition];
+  
+  for (int i = 0; i < numPixels(); i++) {
+    uint64_t mask = 1LL << (uint64_t)i;
+    if ( (font[FontChar]&mask) == 0) {
+      setPixelColor(numToPos(i), Color(0, 0, 0)); //bit is 0 at pos i
+    } else {
+      uint8_t _r = (uint8_t)(Color1 >> 16);
+      uint8_t _g = (uint8_t)(Color1 >>  8);
+      uint8_t _b = (uint8_t)Color1;
+      setPixelColor(numToPos(i), Color(_r, _g, _b)); //bit is 1 at pos i
+    }
+  }
+  show();
+  Increment();
+}
+
+void NeoPatterns::TextComplete()
+{
+  // Reload last effect
+  ActivePattern = SavedPattern;
+  Interval = SavedInterval;
+  TotalSteps = SavedTotalSteps;
+  Index = SavedIndex;
+  Color1 = SavedColor1;
+  Direction = SavedDirection;
+  PlasmaPhase = SavedPlasmaPhase;
+  PlasmaPhaseIncrement = SavedPlasmaPhaseIncrement;
+  PlasmaColorStretch = SavedPlasmaColorStretch;  
+}
+
+
+/****************** Plasma ******************/
+
 // Based upon https://github.com/johncarl81/neopixelplasma
 void NeoPatterns::Plasma(float phase, float phaseIncrement, float colorStretch, uint8_t interval)
 {
@@ -708,7 +781,3 @@ uint32_t NeoPatterns::parseColor(String value) {
   }
   return 0;
 }
-
-
-
-

NeoPatterns.h

@@ -2,7 +2,7 @@
 #include "font.h"
 
 // Pattern types supported:
-enum  pattern { NONE, RAINBOW_CYCLE, THEATER_CHASE, COLOR_WIPE, SCANNER, FADE, RANDOM_FADE, SMOOTH, ICON, RANDOM_FADE_SINGLE, PLASMA, FILL, RANDOM };
+enum  pattern { NONE, RAINBOW_CYCLE, THEATER_CHASE, COLOR_WIPE, SCANNER, FADE, RANDOM_FADE, SMOOTH, ICON, TEXT, RANDOM_FADE_SINGLE, PLASMA, FILL, RANDOM };
 // Patern directions supported:
 enum  direction { FORWARD, REVERSE };
 
@@ -36,6 +36,9 @@ class NeoPatterns : public Adafruit_NeoPixel
     void Icon(uint8_t fontchar, String iconcolor = "#FFFFFF", uint8_t interval = 30);
     void IconUpdate();
     void IconComplete();
+    void Text(String text, uint8_t interval = 80);
+    void TextUpdate();
+    void TextComplete();
     void Plasma(float phase = 0, float phaseIncrement = 0.08, float colorStretch = 0.11, uint8_t interval = 60); // 0.08 and 0.11   // 0.03 und 0.3
     void PlasmaUpdate();
 
@@ -89,6 +92,10 @@ class NeoPatterns : public Adafruit_NeoPixel
     uint8_t *pixelG_buffer;
     uint8_t *pixelB_buffer;
 
+    uint8_t textposition;
+    uint8_t charposition;
+    String Text1;
+
     uint8_t FontChar;
 
     float PlasmaPhase;

esp-pixelbox.ino

@@ -152,7 +152,6 @@ bool onSetEffect(const HomieRange& range, const String& value) {
 
 bool onSetIcon(const HomieRange& range, const String& value) {
   stopAfterCompletion = true;
-  String _iconname = value;
   if (value[0] == '#') { //color given
     strip.Icon(value.substring(7)[0], value.substring(0, 6));
   }
@@ -162,6 +161,13 @@ bool onSetIcon(const HomieRange& range, const String& value) {
   homieNode.setProperty("icon").send(value);
 }
 
+bool onSetText(const HomieRange& range, const String& value) {
+  stopAfterCompletion = true;
+  strip.Text(value);
+  homieNode.setProperty("text").send(value);
+}
+
+
 bool onSetClear(const HomieRange& range, const String& value) {
   strip.None();
   strip.clear();
@@ -194,6 +200,7 @@ void setup() {
   homieNode.advertiseRange("color", 0, 1).settable(onSetColor);
   homieNode.advertise("brightness").settable(onSetBrightness);
   homieNode.advertise("effect").settable(onSetEffect);
+  homieNode.advertise("text").settable(onSetText);
   homieNode.advertise("clear").settable(onSetClear);
   homieNode.advertise("length").settable(onSetLength);
   homieNode.advertise("icon").settable(onSetIcon);
@@ -229,5 +236,3 @@ void loop() {
   Homie.loop();
   ArduinoOTA.handle();
 }
-
-