/********************************************************************************* * 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(); // range = [0,360] float s=S.getNewVal(); // range = [0,100] float v=V.getNewVal(); // 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(); }