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422 lines
11 KiB
422 lines
11 KiB
/*
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HOME ASSISTANT MODULE
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Copyright (C) 2017-2019 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if HOMEASSISTANT_SUPPORT
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#include <ArduinoJson.h>
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#include <queue>
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bool _haEnabled = false;
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bool _haSendFlag = false;
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// -----------------------------------------------------------------------------
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// UTILS
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// -----------------------------------------------------------------------------
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String _haFixName(String name) {
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for (unsigned char i=0; i<name.length(); i++) {
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if (!isalnum(name.charAt(i))) name.setCharAt(i, '_');
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}
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return name;
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}
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#if (LIGHT_PROVIDER != LIGHT_PROVIDER_NONE) || (defined(ITEAD_SLAMPHER))
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const String switchType("light");
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#else
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const String switchType("switch");
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#endif
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struct ha_config_t {
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static const size_t DEFAULT_BUFFER_SIZE = 2048;
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ha_config_t(size_t size) :
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jsonBuffer(size),
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deviceConfig(jsonBuffer.createObject()),
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root(jsonBuffer.createObject()),
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identifier(getIdentifier()),
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name(getSetting("desc", getSetting("hostname"))),
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version(String(APP_NAME " " APP_VERSION " (") + getCoreVersion() + ")")
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{
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deviceConfig.createNestedArray("identifiers").add(identifier.c_str());
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deviceConfig["name"] = name.c_str();
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deviceConfig["sw_version"] = version.c_str();
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deviceConfig["manufacturer"] = MANUFACTURER;
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deviceConfig["model"] = DEVICE;
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}
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ha_config_t() : ha_config_t(DEFAULT_BUFFER_SIZE) {}
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size_t size() { return jsonBuffer.size(); }
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DynamicJsonBuffer jsonBuffer;
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JsonObject& deviceConfig;
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JsonObject& root;
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const String identifier;
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const String name;
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const String version;
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};
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// -----------------------------------------------------------------------------
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// SENSORS
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// -----------------------------------------------------------------------------
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#if SENSOR_SUPPORT
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void _haSendMagnitude(unsigned char i, JsonObject& config) {
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unsigned char type = magnitudeType(i);
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config["name"] = _haFixName(getSetting("hostname") + String(" ") + magnitudeTopic(type));
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config.set("platform", "mqtt");
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config["state_topic"] = mqttTopic(magnitudeTopicIndex(i).c_str(), false);
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config["unit_of_measurement"] = magnitudeUnits(type);
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}
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void _haSendMagnitudes(ha_config_t& config) {
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for (unsigned char i=0; i<magnitudeCount(); i++) {
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String topic = getSetting("haPrefix", HOMEASSISTANT_PREFIX) +
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"/sensor/" +
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getSetting("hostname") + "_" + String(i) +
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"/config";
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String output;
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if (_haEnabled) {
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_haSendMagnitude(i, config.root);
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config.root["uniq_id"] = getIdentifier() + "_" + magnitudeTopic(magnitudeType(i)) + "_" + String(i);
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config.root["device"] = config.deviceConfig;
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output.reserve(config.root.measureLength());
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config.root.printTo(output);
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}
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mqttSendRaw(topic.c_str(), output.c_str());
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}
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mqttSend(MQTT_TOPIC_STATUS, MQTT_STATUS_ONLINE, true);
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}
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#endif // SENSOR_SUPPORT
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// -----------------------------------------------------------------------------
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// SWITCHES & LIGHTS
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// -----------------------------------------------------------------------------
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void _haSendSwitch(unsigned char i, JsonObject& config) {
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String name = getSetting("hostname");
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if (relayCount() > 1) {
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name += String("_") + String(i);
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}
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config.set("name", _haFixName(name));
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config.set("platform", "mqtt");
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if (relayCount()) {
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config["state_topic"] = mqttTopic(MQTT_TOPIC_RELAY, i, false);
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config["command_topic"] = mqttTopic(MQTT_TOPIC_RELAY, i, true);
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config["payload_on"] = String(HOMEASSISTANT_PAYLOAD_ON);
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config["payload_off"] = String(HOMEASSISTANT_PAYLOAD_OFF);
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config["availability_topic"] = mqttTopic(MQTT_TOPIC_STATUS, false);
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config["payload_available"] = String(HOMEASSISTANT_PAYLOAD_AVAILABLE);
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config["payload_not_available"] = String(HOMEASSISTANT_PAYLOAD_NOT_AVAILABLE);
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}
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#if LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
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if (i == 0) {
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config["brightness_state_topic"] = mqttTopic(MQTT_TOPIC_BRIGHTNESS, false);
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config["brightness_command_topic"] = mqttTopic(MQTT_TOPIC_BRIGHTNESS, true);
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if (lightHasColor()) {
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config["rgb_state_topic"] = mqttTopic(MQTT_TOPIC_COLOR_RGB, false);
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config["rgb_command_topic"] = mqttTopic(MQTT_TOPIC_COLOR_RGB, true);
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}
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if (lightUseCCT()) {
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config["color_temp_command_topic"] = mqttTopic(MQTT_TOPIC_MIRED, true);
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}
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if (lightChannels() > 3) {
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config["white_value_state_topic"] = mqttTopic(MQTT_TOPIC_CHANNEL, 3, false);
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config["white_value_command_topic"] = mqttTopic(MQTT_TOPIC_CHANNEL, 3, true);
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}
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}
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#endif // LIGHT_PROVIDER != LIGHT_PROVIDER_NONE
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}
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void _haSendSwitches(ha_config_t& config) {
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for (unsigned char i=0; i<relayCount(); i++) {
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String topic = getSetting("haPrefix", HOMEASSISTANT_PREFIX) +
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"/" + switchType +
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"/" + getSetting("hostname") + "_" + String(i) +
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"/config";
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String output;
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if (_haEnabled) {
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_haSendSwitch(i, config.root);
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config.root["uniq_id"] = getIdentifier() + "_" + switchType + "_" + String(i);
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config.root["device"] = config.deviceConfig;
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output.reserve(config.root.measureLength());
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config.root.printTo(output);
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}
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mqttSendRaw(topic.c_str(), output.c_str());
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mqttSend(MQTT_TOPIC_STATUS, MQTT_STATUS_ONLINE, true);
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}
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}
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// -----------------------------------------------------------------------------
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void _haDumpConfig(std::function<void(String&)> printer, bool wrapJson = false) {
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constexpr const size_t BUFFER_SIZE = 1024;
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String output;
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output.reserve(BUFFER_SIZE + 64);
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DynamicJsonBuffer jsonBuffer(BUFFER_SIZE);
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for (unsigned char i=0; i<relayCount(); i++) {
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JsonObject& config = jsonBuffer.createObject();
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_haSendSwitch(i, config);
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if (wrapJson) {
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output += "{\"haConfig\": \"";
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}
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output += "\n\n" + switchType + ":\n";
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bool first = true;
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for (auto kv : config) {
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if (first) {
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output += " - ";
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first = false;
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} else {
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output += " ";
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}
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output += kv.key;
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output += ": ";
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output += kv.value.as<String>();
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output += "\n";
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}
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output += " ";
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if (wrapJson) {
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output += "\"}";
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}
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jsonBuffer.clear();
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printer(output);
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output = "";
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}
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#if SENSOR_SUPPORT
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for (unsigned char i=0; i<magnitudeCount(); i++) {
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JsonObject& config = jsonBuffer.createObject();
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_haSendMagnitude(i, config);
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if (wrapJson) {
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output += "{\"haConfig\": \"";
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}
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output += "\n\nsensor:\n";
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bool first = true;
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for (auto kv : config) {
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if (first) {
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output += " - ";
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first = false;
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} else {
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output += " ";
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}
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String value = kv.value.as<String>();
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value.replace("%", "'%'");
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output += kv.key;
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output += ": ";
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output += value;
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output += "\n";
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}
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output += " ";
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if (wrapJson) {
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output += "\"}";
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}
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jsonBuffer.clear();
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printer(output);
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output = "";
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}
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#endif
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}
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void _haGetDeviceConfig(JsonObject& config) {
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String identifier = getIdentifier();
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config.createNestedArray("identifiers").add(identifier);
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config["name"] = getSetting("desc", getSetting("hostname"));
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config["manufacturer"] = String(MANUFACTURER);
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config["model"] = String(DEVICE);
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config["sw_version"] = String(APP_NAME) + " " + String(APP_VERSION) + " (" + getCoreVersion() + ")";
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}
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void _haSend() {
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// Pending message to send?
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if (!_haSendFlag) return;
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// Are we connected?
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if (!mqttConnected()) return;
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DEBUG_MSG_P(PSTR("[HA] Sending autodiscovery MQTT message\n"));
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// Get common device config
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ha_config_t config;
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// Send messages
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_haSendSwitches(config);
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#if SENSOR_SUPPORT
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_haSendMagnitudes(config);
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#endif
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_haSendFlag = false;
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}
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void _haConfigure() {
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bool enabled = getSetting("haEnabled", HOMEASSISTANT_ENABLED).toInt() == 1;
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_haSendFlag = (enabled != _haEnabled);
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_haEnabled = enabled;
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_haSend();
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}
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#if WEB_SUPPORT
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std::queue<uint32_t> _ha_send_config;
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bool _haWebSocketOnKeyCheck(const char * key, JsonVariant& value) {
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return (strncmp(key, "ha", 2) == 0);
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}
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void _haWebSocketOnVisible(JsonObject& root) {
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root["haVisible"] = 1;
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}
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void _haWebSocketOnConnected(JsonObject& root) {
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root["haPrefix"] = getSetting("haPrefix", HOMEASSISTANT_PREFIX);
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root["haEnabled"] = getSetting("haEnabled", HOMEASSISTANT_ENABLED).toInt() == 1;
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}
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void _haWebSocketOnAction(uint32_t client_id, const char * action, JsonObject& data) {
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if (strcmp(action, "haconfig") == 0) {
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_ha_send_config.push(client_id);
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}
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}
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#endif
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#if TERMINAL_SUPPORT
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void _haInitCommands() {
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terminalRegisterCommand(F("HA.CONFIG"), [](Embedis* e) {
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_haDumpConfig([](String& data) {
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DEBUG_MSG(data.c_str());
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});
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DEBUG_MSG("\n");
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terminalOK();
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});
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terminalRegisterCommand(F("HA.SEND"), [](Embedis* e) {
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setSetting("haEnabled", "1");
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_haConfigure();
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#if WEB_SUPPORT
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wsPost(_haWebSocketOnConnected);
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#endif
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terminalOK();
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});
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terminalRegisterCommand(F("HA.CLEAR"), [](Embedis* e) {
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setSetting("haEnabled", "0");
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_haConfigure();
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#if WEB_SUPPORT
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wsPost(_haWebSocketOnConnected);
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#endif
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terminalOK();
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});
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}
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#endif
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// -----------------------------------------------------------------------------
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#if WEB_SUPPORT
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void _haLoop() {
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if (_ha_send_config.empty()) return;
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uint32_t client_id = _ha_send_config.front();
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_ha_send_config.pop();
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if (!wsConnected(client_id)) return;
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// TODO check wsConnected after each "printer" call?
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_haDumpConfig([client_id](String& output) {
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wsSend(client_id, output.c_str());
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yield();
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}, true);
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}
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#endif
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void haSetup() {
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_haConfigure();
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#if WEB_SUPPORT
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wsRegister()
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.onVisible(_haWebSocketOnVisible)
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.onConnected(_haWebSocketOnConnected)
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.onAction(_haWebSocketOnAction)
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.onKeyCheck(_haWebSocketOnKeyCheck);
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espurnaRegisterLoop(_haLoop);
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#endif
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#if TERMINAL_SUPPORT
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_haInitCommands();
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#endif
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// On MQTT connect check if we have something to send
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mqttRegister([](unsigned int type, const char * topic, const char * payload) {
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if (type == MQTT_CONNECT_EVENT) _haSend();
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if (type == MQTT_DISCONNECT_EVENT) _haSendFlag = false;
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});
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// Main callbacks
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espurnaRegisterReload(_haConfigure);
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}
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#endif // HOMEASSISTANT_SUPPORT
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