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193 lines
5.1 KiB
193 lines
5.1 KiB
/*
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ALEXA MODULE
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Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#include "alexa.h"
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#if ALEXA_SUPPORT
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#include <queue>
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#include "api.h"
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#include "broker.h"
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#include "light.h"
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#include "relay.h"
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#include "rpc.h"
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#include "web.h"
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#include "ws.h"
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#include <fauxmoESP.h>
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#include <ArduinoJson.h>
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struct alexa_queue_element_t {
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unsigned char device_id;
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bool state;
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unsigned char value;
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};
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static std::queue<alexa_queue_element_t> _alexa_queue;
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fauxmoESP _alexa;
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// -----------------------------------------------------------------------------
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// ALEXA
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// -----------------------------------------------------------------------------
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bool _alexaWebSocketOnKeyCheck(const char * key, JsonVariant& value) {
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return (strncmp(key, "alexa", 5) == 0);
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}
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void _alexaWebSocketOnConnected(JsonObject& root) {
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root["alexaEnabled"] = alexaEnabled();
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root["alexaName"] = getSetting("alexaName");
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}
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void _alexaConfigure() {
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_alexa.enable(wifiConnected() && alexaEnabled());
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}
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#if WEB_SUPPORT
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bool _alexaBodyCallback(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) {
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return _alexa.process(request->client(), request->method() == HTTP_GET, request->url(), String((char *)data));
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}
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bool _alexaRequestCallback(AsyncWebServerRequest *request) {
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String body = (request->hasParam("body", true)) ? request->getParam("body", true)->value() : String();
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return _alexa.process(request->client(), request->method() == HTTP_GET, request->url(), body);
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}
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#endif
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void _alexaBrokerCallback(const String& topic, unsigned char id, unsigned int value) {
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// Only process status messages for switches and channels
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if (!topic.equals(MQTT_TOPIC_CHANNEL)
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&& !topic.equals(MQTT_TOPIC_RELAY)) {
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return;
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}
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if (topic.equals(MQTT_TOPIC_CHANNEL)) {
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_alexa.setState(id + 1, value > 0, value);
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}
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if (topic.equals(MQTT_TOPIC_RELAY)) {
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#if RELAY_PROVIDER == RELAY_PROVIDER_LIGHT
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if (id > 0) return;
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#endif
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_alexa.setState(id, value, value > 0 ? 255 : 0);
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}
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}
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// -----------------------------------------------------------------------------
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bool alexaEnabled() {
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return getSetting("alexaEnabled", 1 == ALEXA_ENABLED);
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}
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void alexaLoop() {
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_alexa.handle();
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while (!_alexa_queue.empty()) {
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alexa_queue_element_t element = _alexa_queue.front();
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DEBUG_MSG_P(PSTR("[ALEXA] Device #%u state: %s value: %d\n"), element.device_id, element.state ? "ON" : "OFF", element.value);
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#if RELAY_PROVIDER == RELAY_PROVIDER_LIGHT
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if (0 == element.device_id) {
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relayStatus(0, element.state);
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} else {
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lightState(element.device_id - 1, element.state);
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lightChannel(element.device_id - 1, element.value);
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lightUpdate(true, true);
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}
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#else
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relayStatus(element.device_id, element.state);
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#endif
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_alexa_queue.pop();
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}
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}
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void alexaSetup() {
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// Backwards compatibility
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moveSetting("fauxmoEnabled", "alexaEnabled");
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// Basic fauxmoESP configuration
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_alexa.createServer(!WEB_SUPPORT);
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_alexa.setPort(80);
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// Use custom alexa hostname if defined, device hostname otherwise
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String hostname = getSetting("alexaName", ALEXA_HOSTNAME);
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if (hostname.length() == 0) {
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hostname = getSetting("hostname");
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}
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// Lights
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#if RELAY_PROVIDER == RELAY_PROVIDER_LIGHT
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// Global switch
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_alexa.addDevice(hostname.c_str());
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// For each channel
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for (unsigned char i = 1; i <= lightChannels(); i++) {
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_alexa.addDevice((hostname + " " + i).c_str());
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}
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// Relays
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#else
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unsigned int relays = relayCount();
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if (relays == 1) {
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_alexa.addDevice(hostname.c_str());
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} else {
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for (unsigned int i=1; i<=relays; i++) {
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_alexa.addDevice((hostname + " " + i).c_str());
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}
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}
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#endif
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// Load & cache settings
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_alexaConfigure();
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// Websockets
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#if WEB_SUPPORT
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webBodyRegister(_alexaBodyCallback);
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webRequestRegister(_alexaRequestCallback);
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wsRegister()
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.onVisible([](JsonObject& root) { root["alexaVisible"] = 1; })
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.onConnected(_alexaWebSocketOnConnected)
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.onKeyCheck(_alexaWebSocketOnKeyCheck);
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#endif
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// Register wifi callback
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wifiRegister([](justwifi_messages_t code, char * parameter) {
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if ((MESSAGE_CONNECTED == code) || (MESSAGE_DISCONNECTED == code)) {
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_alexaConfigure();
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}
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});
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// Callback
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_alexa.onSetState([&](unsigned char device_id, const char * name, bool state, unsigned char value) {
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alexa_queue_element_t element;
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element.device_id = device_id;
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element.state = state;
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element.value = value;
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_alexa_queue.push(element);
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});
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// Register main callbacks
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StatusBroker::Register(_alexaBrokerCallback);
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espurnaRegisterReload(_alexaConfigure);
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espurnaRegisterLoop(alexaLoop);
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}
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#endif
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