Gregg
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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 9: Logging messages to the Serial Monitor //
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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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// HomeSpan sends a variety of messages to the Serial Monitor of the Arduino IDE whenever the device is connected
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// to a computer. Message output is performed either by the usual Serial.print() function, or by one of two macros,
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// LOG1() and LOG2(). These two macros are defined as Serial.print() or as no operation (), depending on the
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// level of the VERBOSITY constant specified in the "Settings.h" file. Setting VERBOSITY to 0 sets both LOG1() and
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// LOG2() to no-op, which means only messages explicitly sent with Serial.print() will be output by HomeSpan. Setting
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// VERBOSITY to 1 means messages formed by the LOG1() macros will also be sent. And setting VERBOSITY to 2 causes
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// both LOG1() and LOG2() messages to be sent.
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//
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// You can create your own log messages as needed through Serial.print() statements, but you can also create them with
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// the LOG1() or LOG2() macros enabling you can turn them on or off by setting VERBOSITY to the appropriate level.
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// Use LOG1() and LOG2() just as you would Serial.print().
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//
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// Example 9 illustrates how to add such log messages. The code is identical to Example 8 (without comments), except
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// that Serial.print() and LOG1() messages have been added to DEV_LED.h. The Serial.print() messages will always be
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// output to the Arduino Serial Monitor. The LOG1() messages will only be output if VERBOSITY is set to 1 or 2.
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//
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// RECOMMENDATION: Since a HomeSpan ESP32 is meant to be physically connected to real-world devices, you may find
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// yourself with numerous ESP32s each configured with a different set of Accessories. To aid in identification
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// you may want to add Serial.print() statements containing some sort of initialization message to the constructors for
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// each derived Service, such as DEV_LED. Doing so allows HomeSpan to "report" on its configuration upon start-up. See
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// DEV_LED for examples.
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Serial.begin(115200);
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homeSpan.begin(Category::Bridges,"HomeSpan Bridge");
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// Defines the Bridge Accessory
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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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// Defines an ON/OFF LED Accessory attached to pin 16
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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_LED(16);
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// Defines a Dimmable LED Accessory attached to pin 17 using PWM channel 0
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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(0,17);
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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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@ -0,0 +1,63 @@
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//////////////////////////////////
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// DEVICE-SPECIFIC SERVICES //
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//////////////////////////////////
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// Here we define the DEV_Identify Service as derived class of AccessoryInformation
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struct DEV_Identify : Service::AccessoryInformation {
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int nBlinks; // number of times to blink built-in LED in identify routine
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SpanCharacteristic *identify; // reference to the Identify Characteristic
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// Next we define the constructor using all the arguments needed to implement the required Characteristics
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// of AccessoryInformation, plus one extra argument at the end called "nBlinks" we will use to specify how many
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// times HomeSpan should blink the built-in LED when HomeKit calls this device's Identify routine during pairing.
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DEV_Identify(char *name, char *manu, char *sn, char *model, char *version, int nBlinks) : Service::AccessoryInformation(){
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new Characteristic::Name(name); // create all the required Characteristics with values set based on above arguments
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new Characteristic::Manufacturer(manu);
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new Characteristic::SerialNumber(sn);
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new Characteristic::Model(model);
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new Characteristic::FirmwareRevision(version);
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identify=new Characteristic::Identify(); // store a reference to the Identify Characteristic for use below
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this->nBlinks=nBlinks; // store the number of times to blink the built-in LED
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pinMode(LED_BUILTIN,OUTPUT); // make sure built-in LED is set for output
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}
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// How HomeKit Identifies Devices:
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//
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// When HomeKit first pairs with a new device it "calls" that device's identify routine for every defined Accessory.
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// To do so, HomeKit requests the Identify Characteristic for each defined AccessoryInformation Service to be set to "true".
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// The Identify Characteristic is write-only, so no value is ever stored, even though HomeKit is requesting its value
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// be updated. We can therefore use the same update() method as if the Identify Characteristic was the same as any
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// other boolean Characteristic.
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// There are many ways to implement some form of identification. For an LED, you could blink it one or more times.
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// For a LightBulb, you can flash it on and off. For window shade, you could raise and lower it.
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// Most commerical devices don't do anything. Because HomeSpan can be used to control many different types of
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// device, below we implement a very generic routine that simply blinks the internal LED of the ESP32 the
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// number of times specified above. In principle, this code could call a user-defined routine that is different
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// for each physcially-attached device (light, shade, fan, etc), but in practice this is overkill.
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// Note that the blink routine below starts by turning off the built-in LED and then leaves it on once it has blinked
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// the specified number of times. This is because when HomeSpan starts up if confirms to user that it has connected
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// to the WiFi network by turning on the built-in LED. Thus we want to leave it on when blinking is completed.
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StatusCode update(){
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for(int i=0;i<nBlinks;i++){
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digitalWrite(LED_BUILTIN,LOW);
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delay(250);
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digitalWrite(LED_BUILTIN,HIGH);
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delay(250);
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}
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return(StatusCode::OK);
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} // update
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};
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@ -0,0 +1,131 @@
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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 Serial.print() since to ensure the message is always output
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// regardless of the VERBOSITY setting.
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Serial.print("Configuring On/Off LED: Pin="); // initialization message
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Serial.print(ledPin);
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Serial.print("\n");
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} // end constructor
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StatusCode update(){ // update() method
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// Here we output log messages whenever update() is called,
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// which is helpful for debugging purposes if your physical device
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// is not functioning as expected. Since it's just for debugging,
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// we use LOG1() instead of Serial.print(). Note we can output
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// both the current as well as the new power settings.
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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->value.BOOL?"true":"false");
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LOG1(" New Power=");
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LOG1(power->newValue.BOOL?"true":"false");
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LOG1("\n");
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digitalWrite(ledPin,power->newValue.BOOL);
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return(StatusCode::OK); // return OK status code
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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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PwmPin *pwmPin; // reference to PWM Pin
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int ledPin; // pin number defined for this LED <- NEW!!
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int channel; // PWM channel used for this LED (should be unique for each LED)
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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 channel, int ledPin) : 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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new SpanRange(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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this->channel=channel; // save the channel number (from 0-15)
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this->ledPin=ledPin; // LED pin number <- NEW!!
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this->pwmPin=new PwmPin(channel, ledPin); // configure the PWM channel and attach the specified ledPin. pinMode() does NOT need to be called.
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// Here we output log messages when the constructor is initially called.
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// We use Serial.print() since to ensure the message is always output
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// regardless of the VERBOSITY setting.
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Serial.print("Configuring Dimmable LED: Pin="); // initialization message
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Serial.print(ledPin);
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Serial.print(" Channel=");
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Serial.print(channel);
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Serial.print("\n");
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} // end constructor
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StatusCode update(){ // update() method
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// Here we output log messages whenever update() is called,
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// which is helpful for debugging purposes if your physical device
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// is not functioning as expected. Since it's just for debugging,
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// we use LOG1() instead of Serial.print().
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// Note that in the prior example we did not save the ledPin number for
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// DimmableLED since it was only needed by the constructor for initializing
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// PwmPin(). For this example we add ledPin as a saved variable (see the two
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// lines marketed NEW!! above) for the sole purpose of this log message.
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LOG1("Updating Dimmable LED on pin=");
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LOG1(ledPin);
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LOG1(": Current Power=");
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LOG1(power->value.BOOL?"true":"false");
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LOG1(" Current Brightness=");
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LOG1(level->value.INT);
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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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if(power->isUpdated){
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LOG1(" New Power=");
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LOG1(power->newValue.BOOL?"true":"false");
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}
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if(level->isUpdated){
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LOG1(" New Brightness=");
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LOG1(level->newValue.INT);
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}
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LOG1("\n");
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pwmPin->set(channel,power->newValue.BOOL*level->newValue.INT);
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return(StatusCode::OK); // return OK status code
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} // update
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};
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//////////////////////////////////
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@ -1350,7 +1350,7 @@ Controller *HAPClient::findController(uint8_t *id){
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if(controllers[i].allocated && !memcmp(controllers[i].ID,id,36)){ // found matching ID
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LOG2("Found Controller: ");
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if(DEBUG_LEVEL>1)
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if(VERBOSITY>1)
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charPrintRow(id,36);
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LOG2(controllers[i].admin?" (admin)\n":" (regular)\n");
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return(controllers+i); // return with pointer to matching controller
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@ -1383,7 +1383,7 @@ Controller *HAPClient::addController(uint8_t *id, uint8_t *ltpk, boolean admin){
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memcpy(slot->LTPK,ltpk,32);
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slot->admin=admin;
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LOG2("\n*** Updated Controller: ");
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if(DEBUG_LEVEL>1)
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if(VERBOSITY>1)
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charPrintRow(id,36);
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LOG2(slot->admin?" (admin)\n\n":" (regular)\n\n");
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return(slot);
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@ -1395,7 +1395,7 @@ Controller *HAPClient::addController(uint8_t *id, uint8_t *ltpk, boolean admin){
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memcpy(slot->LTPK,ltpk,32);
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slot->admin=admin;
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LOG2("\n*** Added Controller: ");
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if(DEBUG_LEVEL>1)
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if(VERBOSITY>1)
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charPrintRow(id,36);
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LOG2(slot->admin?" (admin)\n\n":" (regular)\n\n");
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return(slot);
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@ -1436,7 +1436,7 @@ void HAPClient::removeController(uint8_t *id){
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if(slot=findController(id)){ // remove controller if found
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LOG2("\n***Removed Controller: ");
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if(DEBUG_LEVEL>1)
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if(VERBOSITY>1)
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charPrintRow(id,36);
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LOG2(slot->admin?" (admin)\n":" (regular)\n");
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slot->allocated=false;
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@ -10,20 +10,20 @@
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const int MAX_CONNECTIONS=8;
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/////////////////////////////////////////////////////
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// Debug level -- controls message output //
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// Verbosity -- controls message output //
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// 0=Minimal, 1=Informative, 2=All //
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#define DEBUG_LEVEL 1
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#define VERBOSITY 1
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//-------------------------------------------------//
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#if DEBUG_LEVEL>1
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#if VERBOSITY>1
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#define LOG2(x) Serial.print(x)
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#else
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#define LOG2(x)
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#endif
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#if DEBUG_LEVEL>0
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#if VERBOSITY>0
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#define LOG1(x) Serial.print(x)
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#else
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#define LOG1(x)
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