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C++

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// пример работы через MQTT через PubSubClient
// работа с PubSubClient взята из примера mqtt_esp8266.ino
#include <Arduino.h>
#define AP_SSID "Alex"
#define AP_PASS "alexpass"
// отключаем встроенную реализацию MQTT (для esp)
#define GH_NO_MQTT
#include <GyverHub.h>
GyverHub hub;
// MQTT
#include <ESP8266WiFi.h>
#include <PubSubClient.h>
class HubMQTT : public gh::Bridge {
public:
HubMQTT(void* hub) : gh::Bridge(hub, gh::Connection::MQTT, GyverHub::parseHook), mqtt(espClient) {}
void begin() {
mqtt.setServer("test.mosquitto.org", 1883);
mqtt.setCallback([this](char* topic, uint8_t* data, uint16_t len) {
uint16_t tlen = strlen(topic);
char topic_buf[tlen + 1];
memcpy(topic_buf, topic, tlen);
topic_buf[tlen] = 0;
char data_buf[len + 1];
memcpy(data_buf, data, len);
data_buf[len] = 0;
parse(sutil::AnyText(topic_buf, tlen), sutil::AnyText(data_buf, len));
});
}
void end() {
mqtt.disconnect();
}
void tick() {
if (!mqtt.connected()) reconnect();
mqtt.loop();
}
void send(gh::BridgeData& data) {
if (!mqtt.connected()) return;
mqtt.beginPublish(data.topic.c_str(), data.text.length(), 0);
mqtt.print(data.text);
mqtt.endPublish();
}
private:
WiFiClient espClient;
PubSubClient mqtt;
void reconnect() {
while (!mqtt.connected()) {
String clientId = "hub-";
clientId += String(random(0xffff), HEX);
if (mqtt.connect(clientId.c_str())) {
Serial.println("connected");
mqtt.subscribe(hub.topicDiscover().c_str());
mqtt.subscribe(hub.topicHub().c_str());
} else {
delay(1000);
}
}
}
};
HubMQTT mqtt(&hub);
// билдер
void build(gh::Builder& b) {
static int val;
b.Title(F("Hello!"));
b.Slider(&val);
}
void setup() {
Serial.begin(115200);
WiFi.mode(WIFI_STA);
WiFi.begin(AP_SSID, AP_PASS);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println();
Serial.println(WiFi.localIP());
hub.config(F("MyDevices"), F("ESP"), F(""));
hub.onBuild(build);
hub.addBridge(&mqtt);
hub.begin();
}
void loop() {
hub.tick();
}