Added simple Pixel example to Other Examples

Other Examples/Pixel/Pixel.ino

@@ -0,0 +1,97 @@
+/*********************************************************************************
+ *  MIT License
+ *  
+ *  Copyright (c) 2022 Gregg E. Berman
+ *  
+ *  https://github.com/HomeSpan/HomeSpan
+ *  
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *  
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *  
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ *  
+ ********************************************************************************/
+ 
+ // HomeSpan Addressable RGB LED Example
+
+// Demonstrates use of HomeSpan Pixel Class that provides for control of single-wire
+// addressable RGB LEDs, such as the SK68xx or WS28xx models found in many devices,
+// including the Espressif ESP32, ESP32-S2, and ESP32-C3 development boards.
+
+#include "HomeSpan.h"
+#include "extras/Pixel.h"                       // include the HomeSpan Pixel class
+
+///////////////////////////////
+
+struct Pixel_Light : Service::LightBulb {      // Addressable RGB Pixel
+ 
+  Characteristic::On power{0,true};
+  Characteristic::Hue H{0,true};
+  Characteristic::Saturation S{0,true};
+  Characteristic::Brightness V{100,true};
+  Pixel *pixel;                                
+  
+  Pixel_Light(int pin) : Service::LightBulb(){
+
+    V.setRange(5,100,1);                      // sets the range of the Brightness to be from a min of 5%, to a max of 100%, in steps of 1%
+    pixel=new Pixel(pin);                     // creates pixel LED on specified pin using default timing parameters suitable for most SK68xx LEDs
+    update();                                 // manually call update() to set pixel with restored initial values    
+  }
+
+  boolean update() override {
+
+    int p=power.getNewVal();
+    
+    float h=H.getNewVal<float>();                // range = [0,360]
+    float s=S.getNewVal<float>();                // range = [0,100]
+    float v=V.getNewVal<float>();                // range = [0,100]
+
+    pixel->setHSV(h*p, s*p/100.0, v*p/100.0);     // must scale down S and V from [0,100] to [0.0,1.0]
+          
+    return(true);  
+  }
+};
+
+///////////////////////////////
+
+void setup() {
+  
+  Serial.begin(115200);
+ 
+  homeSpan.begin(Category::Lighting,"RGB Pixel");
+
+  new SpanAccessory();
+    new Service::AccessoryInformation();
+      new Characteristic::Name("RGB Pixel");
+      new Characteristic::Manufacturer("HomeSpan");
+      new Characteristic::SerialNumber("123-ABC");
+      new Characteristic::Model("SK68 LED");
+      new Characteristic::FirmwareRevision("1.0");
+      new Characteristic::Identify();
+
+  new Service::HAPProtocolInformation();
+    new Characteristic::Version("1.1.0");
+
+  new Pixel_Light(8);                           // create Pixel LED attached to pin 8
+
+      
+}
+
+///////////////////////////////
+
+void loop() {
+  homeSpan.poll();
+}

src/extras/Pixel.cpp

@@ -12,7 +12,7 @@ Pixel::Pixel(int pin, float high0, float low0, float high1, float low1, float lo
   LR=lowReset*80;  
 
   rf=new RFControl(pin,false);            // set clock to 1/80 usec
-  setRGB(0,255,0);
+  setRGB(0,0,0);
 }
 
 ///////////////////