70 lines
2.6 KiB
C
70 lines
2.6 KiB
C
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////////////////////////////////////
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// DEVICE-SPECIFIC LED SERVICES //
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////////////////////////////////////
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#include "extras/PwmPin.h" // library of various PWM functions
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////////////////////////////////////
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struct DEV_GenericLED : Service::LightBulb { // Generic LED
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// This version of the LED Service allows for dimmable and non-dimmable devices. Status of both the
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// power state and the brightness of the LED are stored in NVS for restoration if the device reboots.
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LedPin *LED; // reference to an LedPin
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SpanCharacteristic *power; // reference to the On Characteristic
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SpanCharacteristic *level; // reference to the Brightness Characteristic
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boolean isDimmable; // flag to indicate whether light is dimmable
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DEV_GenericLED(int ledPin, uint8_t dimmable=0) : Service::LightBulb(){
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power=new Characteristic::On(0,true); // second argument is true, so the value of the On Characteristic (initially set to 0) will be saved in NVS
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isDimmable=dimmable;
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if(isDimmable){
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level=new Characteristic::Brightness(50,true); // second argument is true, so the value of the Brightness Characteristic (initially set to 50) will be saved in NVS
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level->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%
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}
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this->LED=new LedPin(ledPin); // configures a PWM LED for output to pin number "ledPin"
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Serial.printf("Configuring LED: Pin=%d %s\n",LED->getPin(),isDimmable?"(Dimmable)":""); // initialization message
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LED->set(power->getVal()*(isDimmable?(level->getVal()):100)); // set the LED to its initial state at startup.
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} // end constructor
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boolean update(){ // update() method
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LOG1("Updating LED on pin=");
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LOG1(LED->getPin());
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LOG1(": Current Power=");
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LOG1(power->getVal()?"true":"false");
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if(isDimmable){
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LOG1(" Current Brightness=");
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LOG1(level->getVal());
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}
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if(power->updated()){
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LOG1(" New Power=");
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LOG1(power->getNewVal()?"true":"false");
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}
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if(isDimmable && level->updated()){
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LOG1(" New Brightness=");
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LOG1(level->getNewVal());
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}
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LOG1("\n");
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LED->set(power->getNewVal()*(isDimmable?(level->getNewVal()):100)); // update the physical LED to reflect the new values
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return(true); // return true
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} // update
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};
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//////////////////////////////////
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