smart_garden/src/connections.cpp

152 lines
3.9 KiB
C++

#include <header.h>
extern "C"
{
#include "freertos/FreeRTOS.h"
#include "freertos/timers.h"
}
AsyncMqttClient mqttClient;
TimerHandle_t mqttReconnectTimer;
TimerHandle_t wifiReconnectTimer;
WebServer Server;
AutoConnect Portal(Server);
WiFiClient client;
AutoConnectConfig Config;
// Config.autoReconnect = true;
// WiFi.config(Config);
void connectWiFi()
{
Serial.println("Start WiFi...");
if (Portal.begin())
{
digitalWrite(PIN_LED_G, HIGH);
}
}
void connectMQTT()
{
Serial.println("Connecting to MQTT...");
mqttClient.setClientId(MQTT_DEVICE_ID);
mqttClient.connect();
}
void WiFiEvent(WiFiEvent_t event)
{
Serial.printf("[WiFi-event] event: %d\n", event);
switch (event)
{
case SYSTEM_EVENT_STA_GOT_IP:
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
connectMQTT();
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
digitalWrite(PIN_LED_G, LOW);
Serial.println("WiFi lost connection");
xTimerStop(mqttReconnectTimer, 0); // ensure we don't reconnect to MQTT while reconnecting to Wi-Fi
xTimerStart(wifiReconnectTimer, 0);
break;
}
}
void onMqttConnect(bool sessionPresent)
{
Serial.println("Connected to MQTT.");
Serial.print("Session present: ");
Serial.println(sessionPresent);
uint16_t packetIdSub = mqttClient.subscribe("smartgarden/test", 2);
Serial.print("Subscribing at QoS 2, packetId: ");
Serial.println(packetIdSub);
mqttClient.publish("test/lol", 0, true, "test 1");
Serial.println("Publishing at QoS 0");
uint16_t packetIdPub1 = mqttClient.publish("smartgarden/test", 1, true, "test 2");
Serial.print("Publishing at QoS 1, packetId: ");
Serial.println(packetIdPub1);
uint16_t packetIdPub2 = mqttClient.publish("smartgarden/test", 2, true, "test 3");
Serial.print("Publishing at QoS 2, packetId: ");
Serial.println(packetIdPub2);
}
void onMqttDisconnect(AsyncMqttClientDisconnectReason reason)
{
Serial.println("Disconnected from MQTT.");
if (WiFi.isConnected())
{
xTimerStart(mqttReconnectTimer, 0);
}
}
void onMqttSubscribe(uint16_t packetId, uint8_t qos)
{
Serial.println("Subscribe acknowledged.");
Serial.print(" packetId: ");
Serial.println(packetId);
Serial.print(" qos: ");
Serial.println(qos);
}
void onMqttUnsubscribe(uint16_t packetId)
{
Serial.println("Unsubscribe acknowledged.");
Serial.print(" packetId: ");
Serial.println(packetId);
}
void onMqttMessage(char *topic, char *payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total)
{
Serial.println("Publish received.");
Serial.print(" topic: ");
Serial.println(topic);
Serial.print(" qos: ");
Serial.println(properties.qos);
Serial.print(" dup: ");
Serial.println(properties.dup);
Serial.print(" retain: ");
Serial.println(properties.retain);
Serial.print(" len: ");
Serial.println(len);
Serial.print(" index: ");
Serial.println(index);
Serial.print(" total: ");
Serial.println(total);
}
void onMqttPublish(uint16_t packetId)
{
Serial.println("Publish acknowledged.");
Serial.print(" packetId: ");
Serial.println(packetId);
}
void setupConnections()
{
pinMode(PIN_LED_G, OUTPUT);
Serial.println();
Serial.println();
mqttReconnectTimer = xTimerCreate("mqttTimer", pdMS_TO_TICKS(2000), pdFALSE, (void *)0, reinterpret_cast<TimerCallbackFunction_t>(connectMQTT));
wifiReconnectTimer = xTimerCreate("wifiTimer", pdMS_TO_TICKS(2000), pdFALSE, (void *)0, reinterpret_cast<TimerCallbackFunction_t>(connectWiFi));
WiFi.onEvent(WiFiEvent);
mqttClient.onConnect(onMqttConnect);
mqttClient.onDisconnect(onMqttDisconnect);
mqttClient.onSubscribe(onMqttSubscribe);
mqttClient.onUnsubscribe(onMqttUnsubscribe);
mqttClient.onMessage(onMqttMessage);
mqttClient.onPublish(onMqttPublish);
mqttClient.setServer(MQTT_HOST, MQTT_PORT);
connectWiFi();
}
void publishMessage(const char *topic, const char *msg) {
mqttClient.publish(topic, 1, true, msg);
}