Alex2ESP/examples/blindControl.cpp

127 lines
4.4 KiB
C++

#include <Arduino.h>
#ifdef ESP32
#include <WiFi.h>
#else
#include <ESP8266WiFi.h>
#endif
#include <Alex2ESP.h>
// Define constants for WiFi and Alexa Client configuration
const char *WIFI_SSID = "";
const char *ALEXA_USERNAME = "";
const char *ALEXA_PASSWORD = "";
const char *ALEXA_ROOT_TOPIC = "";
// Create the Alexa client object
Alex2ESP alexClient;
AlexaDevice *device1;
// Initial state for the blinds (PowerController)
PowerController outputState = PowerController::OFF;
void setup()
{
// Initialize the LED as output
pinMode(LED_BUILTIN, OUTPUT);
// Initialize serial communication for debugging
Serial.begin(74880);
// Connect to Wi-Fi
WiFi.mode(WIFI_STA);
WiFi.begin(WIFI_SSID);
Serial.print("[WIFI] Connecting to WiFi");
while (WiFi.status() != WL_CONNECTED)
{
Serial.print(".");
delay(100);
}
Serial.println();
Serial.printf("[WIFI] Connected to SSID: %s, IP address: %s\n", WiFi.SSID().c_str(), WiFi.localIP().toString().c_str());
// Initialize the Alexa client
alexClient.begin(ALEXA_USERNAME, ALEXA_PASSWORD, ALEXA_ROOT_TOPIC);
String deviceName="Bedroom Blinds";
// Register a new device with a unique ID and name
device1 = alexClient.getDevice(deviceName, "ESP-01");
// Set the device's display category to LIGHT
device1->setDisplayCategory(DisplayCategory::LIGHT);
//a power controller will allow us to "turn on/off" the blinds (not really usefull but is possable)
device1->addCapability(AlexaInterfaceType::POWER_CONTROLLER);
// Add a toggle controller capability to the device
AlexaInterface* toggleController=device1->addCapability(AlexaInterfaceType::TOGGLE_CONTROLLER);
//toggle controllers are unique in that they require some additinal attrabutes by default we first need to set an instance name
toggleController->setInstance("ESP-01.Toggle");
//we also need to set a name for the interface, this is a sub device listed under the main device name
//to allow open/close commands as well as on/off commands we can use the same name as device name
toggleController->addFriendlyName(deviceName.c_str(),"en-US");
// Example of adding action mappings to map open/close to on/off
ActionMapping closeMapping({AlexaActions::Close}, "TurnOn");
ActionMapping openMapping({AlexaActions::Open}, "TurnOff");
// the full supported list of alexa action mappings can be found on
// https://developer.amazon.com/en-US/docs/alexa/device-apis/alexa-discovery-objects.html#action-mapping
//note, only 'generic controller interffaces support action mappings for a full list visit
//https://developer.amazon.com/en-US/docs/alexa/device-apis/generic-controllers.html
toggleController->addActionMapping(closeMapping);
toggleController->addActionMapping(openMapping);
// Register event listener for "ReportState" directive
device1->registerEvent("ReportState", [](const JsonDocument &directive, const AlexaInterfaceType &type)
{
Serial.println("Report state requested.");
// Build and send status report
device1->buildStatusMessage(directive["header"]["correlationToken"])
.AddHealthProp(EndpointHealth::OK)
.AddToggleControllerProp(outputState,"ESP-01.Toggle")
.AddPowerControllerProp(outputState)
.send(); });
// Register event listener for "Event" directive to handle state changes
device1->registerEvent("Event", [](const JsonDocument &directive, const AlexaInterfaceType &type)
{
if (type == AlexaInterfaceType::TOGGLE_CONTROLLER||type == AlexaInterfaceType::POWER_CONTROLLER) {
if (directive["header"]["name"] == "TurnOn") {
outputState = PowerController::ON;
Serial.println("Turning ON");
} else if (directive["header"]["name"] == "TurnOff") {
outputState = PowerController::OFF;
Serial.println("Turning OFF");
}
// Send the updated state after change
device1->buildStatusMessage(directive["header"]["correlationToken"], true)
.AddHealthProp(EndpointHealth::OK)
.AddToggleControllerProp(outputState,"ESP-01.Toggle")
.AddPowerControllerProp(outputState)
.send();
} });
}
void loop()
{
// Process Alexa client communication
alexClient.loop();
// Update the state of the LED based on the power controller state
digitalWrite(LED_BUILTIN, outputState != PowerController::ON);
}