Review and refresh comment in Tutorial Examples as needed.

Also introduced the use of Enumerated Constants in Example 13 - Target States
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Gregg 2024-03-09 19:00:05 -06:00
parent 2d1b567388
commit cf2a98d1c2
22 changed files with 74 additions and 64 deletions

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/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *
@ -52,9 +52,6 @@
// See https://github.com/HomeSpan/HomeSpan for details and references. In particular, you may want to review the HomeSpan API Overview // See https://github.com/HomeSpan/HomeSpan for details and references. In particular, you may want to review the HomeSpan API Overview
// page before proceeding. // page before proceeding.
// These examples also make frequent reference to Apple's HomeKit Accessory Protocol Specification, known as HAP. You can download this
// directly from Apple at https://developer.apple.com/support/homekit-accessory-protocol.
// LET'S GET STARTED... // LET'S GET STARTED...
#include "HomeSpan.h" // HomeSpan sketches always begin by including the HomeSpan library #include "HomeSpan.h" // HomeSpan sketches always begin by including the HomeSpan library

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/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *
@ -60,18 +60,19 @@ void setup() {
// guesses the actions a device is taking, and updates it tile's icon accordingly, by comparing the value of the target state // guesses the actions a device is taking, and updates it tile's icon accordingly, by comparing the value of the target state
// Characteristic it sets, and the current state Characteristic it receives in the form of Event Notifications. When they are the same, // Characteristic it sets, and the current state Characteristic it receives in the form of Event Notifications. When they are the same,
// HomeKit assumes the physical device has reached the required position. When they differ, HomeKit assumes something will be opening, // HomeKit assumes the physical device has reached the required position. When they differ, HomeKit assumes something will be opening,
// closing, raising, lowering, etc. The details of this process for each Service is outlined in the HAP documentation, but beware // closing, raising, lowering, etc. Sometimes a little experimenting and a lot of trial and error is required to fully understand how
// the document is not always up to date with the lastest version of the HomeKit application. Sometimes a little experimenting and a lot // each Service responds to different combinations of Characteristic values.
// of trial and error is required to fully understand how each Service responds to different combinations of Characteristic values.
// As always, we won't be connecting our ESP32 to an actual garage door or window shade but will instead simulate their responses and // As always, we won't be connecting our ESP32 to an actual garage door or window shade but will instead simulate their responses and
// actions for illustrative purposes. In some ways the code is more complicated because of the need to simulate values - it might be // actions for illustrative purposes. In some ways the code is more complicated because of the need to simulate values - it might be
// easier if we actually were connecting to a garage door or window shade! // easier if we actually were connecting to a garage door or window shade!
// Fully commented code for both of our derived Services can be found in DEV_DoorsWindows.h. These examples do not introduce any new // Fully commented code for both of our derived Services can be found in DEV_DoorsWindows.h. These examples do not introduce any new
// HomeSpan functions or features. Rather we are combining everything learned so far into two reasonably complex Services. You may // HomeSpan functions, but you will see how to use HomeSpan's ENUMERATED CONSTANTS, instead of just plain integers, to set the values
// want to reference the HAP documentation for these two parent Services to fully understand the meaning of the different value settings // of Characteristics where the values represent discrete states (e.g. "lowering", "opening").
// for each of the Services' Characteristics.
// Please see HomeSpan's Services and Characteristics page for a complete list of the enumerated constants available for Characteristics
// where they are applicable.
Serial.begin(115200); Serial.begin(115200);

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@ -3,17 +3,33 @@
// DEVICE-SPECIFIC LED SERVICES // // DEVICE-SPECIFIC LED SERVICES //
//////////////////////////////////// ////////////////////////////////////
struct DEV_GarageDoor : Service::GarageDoorOpener { // A Garage Door Opener struct DEV_GarageDoor : Service::GarageDoorOpener { // A Garage Door Opener
Characteristic::CurrentDoorState *current; // reference to the Current Door State Characteristic (specific to Garage Door Openers) Characteristic::CurrentDoorState *current; // reference to the Current Door State Characteristic (specific to Garage Door Openers)
Characteristic::TargetDoorState *target; // reference to the Target Door State Characteristic (specific to Garage Door Openers) Characteristic::TargetDoorState *target; // reference to the Target Door State Characteristic (specific to Garage Door Openers)
SpanCharacteristic *obstruction; // reference to the Obstruction Detected Characteristic (specific to Garage Door Openers) SpanCharacteristic *obstruction; // reference to the Obstruction Detected Characteristic (specific to Garage Door Openers)
DEV_GarageDoor() : Service::GarageDoorOpener(){ // constructor() method DEV_GarageDoor() : Service::GarageDoorOpener(){ // constructor() method
current=new Characteristic::CurrentDoorState(1); // initial value of 1 means closed // Below we use enumerated constants rather than integers to set the values of the Characteristics.
target=new Characteristic::TargetDoorState(1); // initial value of 1 means closed // Using enumerated constants means not having to remember the integer code for each state. You'll find
obstruction=new Characteristic::ObstructionDetected(false); // initial value of false means NO obstruction is detected // a complete list of all available enumerated constants on HomeSpan's Services and Characteristics page.
// Note the use of enumerated constants is optional - you can always use the integer code representing
// each state instead.
current=new Characteristic::CurrentDoorState(Characteristic::CurrentDoorState::CLOSED); // here we use the fully-qualified name of the constant "CLOSED"
target=new Characteristic::TargetDoorState(target->CLOSED); // here we use the name of the object instead of the fully-qualified name (much less typing)
// Below we must use the fully-qualified name of the enumerated constant and cannot use "obstruction->NOT_DETECTED".
// Why? Because above we declared "obstruction" to be a pointer to a generic SpanCharacteristic instead of a pointer to
// the more specific Characteristic::ObstructionDetected. Either is fine, and it's just a matter of programming preference
// (as you can see we use both conventions in this sketch). But the downside of using SpanCharacteristic to declare a
// Characteristic that contains enumerated constants is that the object itself does not know about these constants. This is
// because all enumerated constants are uniquely defined within their respective specific Characteristic classes, and not in the
// generic SpanCharacteristic class from which all specific Characterstics are derived.
obstruction=new Characteristic::ObstructionDetected(Characteristic::ObstructionDetected::NOT_DETECTED); // this works
// obstruction=new Characteristic::ObstructionDetected(obstruction->NOT_DETECTED); // this would produce a compiler error (try it and see)
Serial.print("Configuring Garage Door Opener"); // initialization message Serial.print("Configuring Garage Door Opener"); // initialization message
Serial.print("\n"); Serial.print("\n");
@ -24,13 +40,13 @@ struct DEV_GarageDoor : Service::GarageDoorOpener { // A Garage Door Opener
// see HAP Documentation for details on what each value represents // see HAP Documentation for details on what each value represents
if(target->getNewVal()==0){ // if the target-state value is set to 0, HomeKit is requesting the door to be in open position if(target->getNewVal()==target->OPEN){ // HomeKit is requesting the door to be in OPEN position
LOG1("Opening Garage Door\n"); LOG1("Opening Garage Door\n");
current->setVal(2); // set the current-state value to 2, which means "opening" current->setVal(current->OPENING); // set the current-state value to OPENING
obstruction->setVal(false); // clear any prior obstruction detection obstruction->setVal(false); // clear any prior obstruction detection - note we do not bother using an enumerated constant here
} else { } else {
LOG1("Closing Garage Door\n"); // else the target-state value is set to 1, and HomeKit is requesting the door to be in the closed position LOG1("Closing Garage Door\n"); // else HomeKit must be requesting the door to be in the CLOSED position
current->setVal(3); // set the current-state value to 3, which means "closing" current->setVal(current->CLOSING); // set the current-state value to CLOSING
obstruction->setVal(false); // clear any prior obstruction detection obstruction->setVal(false); // clear any prior obstruction detection
} }
@ -43,13 +59,13 @@ struct DEV_GarageDoor : Service::GarageDoorOpener { // A Garage Door Opener
if(current->getVal()==target->getVal()) // if current-state matches target-state there is nothing do -- exit loop() if(current->getVal()==target->getVal()) // if current-state matches target-state there is nothing do -- exit loop()
return; return;
if(current->getVal()==3 && random(100000)==0){ // here we simulate a random obstruction, but only if the door is closing (not opening) if(current->getVal()==current->CLOSING && random(100000)==0){ // here we simulate a random obstruction, but only if the door is closing (not opening)
current->setVal(4); // if our simulated obstruction is triggered, set the curent-state to 4, which means "stopped" current->setVal(current->STOPPED); // if our simulated obstruction is triggered, set the curent-state to STOPPED
obstruction->setVal(true); // and set obstruction-detected to true obstruction->setVal(true); // and set obstruction-detected to true
LOG1("Garage Door Obstruction Detected!\n"); LOG1("Garage Door Obstruction Detected!\n");
} }
if(current->getVal()==4) // if the current-state is stopped, there is nothing more to do - exit loop() if(current->getVal()==current->STOPPED) // if the current-state is stopped, there is nothing more to do - exit loop()
return; return;
// This last bit of code only gets called if the door is in a state that represents actively opening or actively closing. // This last bit of code only gets called if the door is in a state that represents actively opening or actively closing.
@ -83,15 +99,6 @@ struct DEV_WindowShade : Service::WindowCovering { // A motorized Window Sha
boolean update(){ // update() method boolean update(){ // update() method
// The logic below is based on how HomeKit appears to operate in practice, which is NOT consistent with
// HAP documentation. In that document HomeKit seems to support fully opening or fully closing a window shade, with
// an optional control to HOLD the window shade at a given in-between position while it is moving.
// In practice, HomeKit does not appear to implement any form of a HOLD control button, even if you instantiate that
// Characteristic. Instead, HomeKit provides a full slider control, similar to the brightness control for a lightbulb,
// that allows you to set the exact position of the window shade from 0-100%. This obviates the need to any sort of HOLD button.
// The resulting logic is also very simple:
if(target->getNewVal()>current->getVal()){ // if the target-position requested is greater than the current-position, simply log a "raise" message if(target->getNewVal()>current->getVal()){ // if the target-position requested is greater than the current-position, simply log a "raise" message
LOG1("Raising Shade\n"); // ** there is nothing more to do - HomeKit keeps track of the current-position so knows raising is required LOG1("Raising Shade\n"); // ** there is nothing more to do - HomeKit keeps track of the current-position so knows raising is required
} else } else
@ -117,9 +124,6 @@ struct DEV_WindowShade : Service::WindowCovering { // A motorized Window Sha
// it will report the shade is raising or lowering depending on whether the specified target state is greater or less than // it will report the shade is raising or lowering depending on whether the specified target state is greater or less than
// the current state. // the current state.
// According to HAP, the Characteristic Position State is also required. However, this seems duplicative and is NOT needed
// at all given the way HomeKit uses current position.
} // loop } // loop
}; };

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *
@ -40,7 +40,7 @@
void setup() { void setup() {
// Though HomeKit and the HomeKit Accessory Protocol (HAP) Specification provide a very flexible framework // Though HomeKit and the HomeKit Accessory Protocol (HAP) Specification provide a very flexible framework
// for creating iOS- and MacOS-controlled devices, they does not contain every possible desired feature. // for creating iOS- and MacOS-controlled devices, they do not contain every possible desired feature.
// //
// One very common Characteristic HomeKit does not seem to contain is a simple pushbutton, like the type you // One very common Characteristic HomeKit does not seem to contain is a simple pushbutton, like the type you
// would find on a remote control. Unlike switches that can be "on" or "off", a pushbutton has no state. // would find on a remote control. Unlike switches that can be "on" or "off", a pushbutton has no state.

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2020-2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *
@ -113,7 +113,7 @@ struct Shower : Service::Faucet { // this is our Shower structur
struct WaterValve : Service::Valve { // here we define our WaterValve structure as a child class of the HomeSpan Valve Service struct WaterValve : Service::Valve { // here we define our WaterValve structure as a child class of the HomeSpan Valve Service
SpanCharacteristic *active=new Characteristic::Active(1);; // the Active Characteristic is used to specify whether the Valve is Active (open) or Inactive (closed) SpanCharacteristic *active=new Characteristic::Active(1);; // the Active Characteristic is used to specify whether the Valve is Active (open) or Inactive (closed)
SpanCharacteristic *inUse=new Characteristic::InUse(); // the InUser Characteristic is used to specify whether water is actually flowing through value SpanCharacteristic *inUse=new Characteristic::InUse(); // the InUse Characteristic is used to specify whether water is actually flowing through value
Shower *shower; // storage for the pointer to the "controlling" Shower Service Shower *shower; // storage for the pointer to the "controlling" Shower Service
WaterValve(Shower *s){ // this is constructor for WaterValve. It takes a single argument that points to the "controlling" Shower Service WaterValve(Shower *s){ // this is constructor for WaterValve. It takes a single argument that points to the "controlling" Shower Service

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2021-2022 Gregg E. Berman * Copyright (c) 2021-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2022 Gregg E. Berman * Copyright (c) 2020-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *

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@ -1,7 +1,7 @@
/********************************************************************************* /*********************************************************************************
* MIT License * MIT License
* *
* Copyright (c) 2022 Gregg E. Berman * Copyright (c) 2022-2024 Gregg E. Berman
* *
* https://github.com/HomeSpan/HomeSpan * https://github.com/HomeSpan/HomeSpan
* *
@ -123,7 +123,7 @@ void addLight(int n){
char name[32]; char name[32];
sprintf(name,"Light-%d",n); // create the name of the device using the specified "ID" sprintf(name,"Light-%d",n); // create the name of the device using the specified "ID"
char sNum[32]; char sNum[32];
sprintf(sNum,"%0.10d",n); // create serial number from the ID - this is helpful in case we rename the Light to something else using the Home App sprintf(sNum,"%010d",n); // create serial number from the ID - this is helpful in case we rename the Light to something else using the Home App
Serial.printf("Adding Accessory: %s\n",name); Serial.printf("Adding Accessory: %s\n",name);

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@ -139,14 +139,22 @@ void setup() {
homeSpan.setLogLevel(1); homeSpan.setLogLevel(1);
homeSpan.begin(Category::Lighting,"HomeSpan LEDS"); homeSpan.begin(Category::Lighting,"HomeSpan LEDS");
// Here we replace the usual construct:
// new SpanAccessory();
// new Service::AccessoryInformation();
// new Characteristic::Identify();
// with this:
new SpanAccessory(); new SpanAccessory();
new DEV_INFO(13); // Here we instantiate the new DEV_INFO structure, instead of simply instantiating Characteristic::Name() and Characteristic::Identity() as in all previous examples new DEV_INFO(13); // instantiate a new DEV_INFO structure that will run our custom identification routine to blink an LED on pin 13 three times
new SpanAccessory(); new SpanAccessory();
new DEV_INFO(16); // Note we instantiate a new DEV_INFO structure for each Accessory in this device new DEV_INFO(16); // Note we instantiate a new DEV_INFO structure for each Accessory in this device
new DEV_LED(16); // Here we instantiate the usual DEV_LED structure that controls the LED during normal operation new DEV_LED(16); // Here we instantiate the usual DEV_LED structure that controls the LED during normal operation
new SpanAccessory(); // Here we add a second LED new SpanAccessory(); // Here we add a second LED Accessory
new DEV_INFO(17); new DEV_INFO(17);
new DEV_LED(17); new DEV_LED(17);
} }