110 lines
4.4 KiB
C
110 lines
4.4 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" // allows PWM control of LED brightness
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struct DEV_LED : Service::LightBulb { // ON/OFF LED
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int ledPin; // pin number defined for this LED
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SpanCharacteristic *power; // reference to the On Characteristic
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DEV_LED(int ledPin) : Service::LightBulb(){ // constructor() method
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power=new Characteristic::On();
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this->ledPin=ledPin;
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pinMode(ledPin,OUTPUT);
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// Here we output log messages when the constructor is initially called.
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// We use LOG0() to ensure the message is always output regardless of the
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// LOG Level setting. Note this uses the single-argument form of LOG(), so
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// multiple calls are needed to create a complete message
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LOG0("Configuring On/Off LED: Pin="); // initialization message
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LOG0(ledPin);
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LOG0("\n");
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} // end constructor
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boolean update(){ // update() method
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// Here we output log messages whenever update() is called, which is helpful
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// for debugging purposes if your physical device is not functioning as expected.
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// Since it's just for debugging, we use LOG1() instead of LOG0(). Note we can
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// output both the current as well as the new power settings. We've again
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// used the single-argument form of LOG() to create this message
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LOG1("Updating On/Off LED on pin=");
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LOG1(ledPin);
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LOG1(": Current Power=");
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LOG1(power->getVal()?"true":"false");
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LOG1(" New Power=");
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LOG1(power->getNewVal()?"true":"false");
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LOG1("\n");
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digitalWrite(ledPin,power->getNewVal());
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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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struct DEV_DimmableLED : Service::LightBulb { // Dimmable LED
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LedPin *ledPin; // reference to Led Pin
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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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DEV_DimmableLED(int pin) : Service::LightBulb(){ // constructor() method
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power=new Characteristic::On();
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level=new Characteristic::Brightness(50); // Brightness Characteristic with an initial value of 50%
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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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// Here we once again output log messages when the constructor is initially called.
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// However, this time we use the multi-argument form of LOG() that resembles a
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// standard printf() function, which makes for more compact code.
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LOG0("Configuring Dimmable LED: Pin=%d\n",pin); // initialization message
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this->ledPin=new LedPin(pin); // configures a PWM LED for output to the specified pin
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} // end constructor
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boolean update(){ // update() method
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// Note that since Dimmable_LED has two updateable Characteristics,
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// HomeKit may be requesting either or both to be updated. We can
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// use the "isUpdated" flag of each Characteristic to output a message
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// only if HomeKit actually requested an update for that Characteristic.
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// Since update() is called whenever there is an update to at least
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// one of the Characteristics in a Service, either power, level, or both
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// will have its "isUpdated" flag set.
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// As above, we use the multi-argument form of LOG() to create the messages
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// Note that for DimmableLED, ledPin has a method getPin() that retrieves the
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// pin number so you don't need to store it separately.
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LOG1("Updating Dimmable LED on pin=%dL Current Power=%s Current Brightness=%d",ledPin->getPin(),power->getVal()?"true":"false",level->getVal());
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if(power->updated())
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LOG1(" New Power=%s",power->getNewVal()?"true":"false");
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if(level->updated())
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LOG1(" New Brightness=%d",level->getNewVal());
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LOG1("\n");
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ledPin->set(power->getNewVal()*level->getNewVal());
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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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