100 lines
5.1 KiB
C++
100 lines
5.1 KiB
C++
/*********************************************************************************
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* MIT License
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*
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* Copyright (c) 2021 Gregg E. Berman
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*
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* https://github.com/HomeSpan/HomeSpan
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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********************************************************************************/
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////////////////////////////////////////////////////////////
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// //
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// HomeSpan: A HomeKit implementation for the ESP32 //
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// ------------------------------------------------ //
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// //
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// Example 18: Saving Characteristic Status in NVS //
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// * saving the state of two dimmable LEDs //
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// //
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// //
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////////////////////////////////////////////////////////////
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#include "HomeSpan.h"
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#include "DEV_LED.h"
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#include "DEV_Identify.h"
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void setup() {
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// In many of the prior examples we saw how Characteristics are initialized when first instantiated. You can either include an argument:
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//
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// new Characteristic::Brightness(25);
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//
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// in which case the value of the Brightness Characterisrtic is set to 25 when HomeSpan is powered up, or you can leave the argument blank:
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//
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// new Characteristic::Brightness();
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//
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// in which case HomeSpan will apply a default value.
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// These methods work fine, with the exception that if the HomeSpan device loses power, it will boot up according to the parameters above rather
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// than remembering the state of each Characteristic after you've made any changes via the Home App or with any PushButtons.
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// In this Example 18 we will see how to instruct HomeSpan to automatically save the values of one or more Characteristics in non-volatile storage
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// so that they can be restored if the power is cycled.
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// To do so, we call the constructor for a Characteristic with TWO arguments as such:
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//
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// new Characteristic::Brightness(25, true);
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//
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// This instructs HomeSpan to set the Brightness to 25 the very first time the device is powered on, but to SAVE any changes to this Characteristic
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// in NVS, AND RESTORE the last-saved value whenever the power is cycled. Though HomeSpan takes care of all the saving and restoring automatically for
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// any Characteristic in which you set the second argument of the constructor to be "true," HomeSpan can't automatically perform any needed initialization
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// of the physical appliance by itself. In other words, HomeSpan can set the value of the Brightness Characteristic to 55 on start-up, if that's the
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// last value used before the power was cycled, but you'll need to add some code to set the brightness of the actual LED at startup.
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// To see how this works in practice, we'll configure HomeSpan to operate two Dimmable LEDs, each with its own on/off PushButton. As usual, all the code
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// is implemented in DEV_LED.h, with comments highlighting all the new features. See DEV_LED.h for full details.
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Serial.begin(115200);
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homeSpan.begin(Category::Bridges,"HomeSpan Bridge");
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new SpanAccessory();
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new DEV_Identify("Bridge #1","HomeSpan","123-ABC","HS Bridge","0.9",3);
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new Service::HAPProtocolInformation();
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new Characteristic::Version("1.1.0");
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new SpanAccessory();
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new DEV_Identify("LED 1","HomeSpan","123-ABC","20mA LED","0.9",0);
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new DEV_DimmableLED(17,19); // The first argument specifies the LED pin; the second argument specifies the PushButton pin
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new SpanAccessory();
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new DEV_Identify("LED 2","HomeSpan","123-ABC","20mA LED","0.9",0);
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new DEV_DimmableLED(16,18); // The first argument specifies the LED pin; the second argument specifies the PushButton pin
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} // end of setup()
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//////////////////////////////////////
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void loop(){
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homeSpan.poll();
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} // end of loop()
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