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Use a robust asynchronous MQTT client

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coolneng
2026-03-11 20:49:38 +01:00
parent 1dcd9c8f0a
commit 2620d05f49
8 changed files with 147 additions and 124 deletions
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25
include/config.h
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@@ -1,27 +1,24 @@
#ifndef CONFIG_H_
#define CONFIG_H_
#include "FS.h"
#include "LittleFS.h"
#include <ArduinoJson.h>
typedef struct {
const char *ssid;
const char *psk;
const char *mqtt_host;
const char *mqtt_user;
const char *mqtt_password;
const char *topic;
const char *device_id;
int mqtt_port;
long sleep_time;
int connection_attempts;
const char *ssid;
const char *psk;
const char *mqtt_host;
const char *mqtt_user;
const char *mqtt_password;
const char *topic;
const char *device_id;
int mqtt_port;
unsigned long sleep_time;
} Config;
void initialize_config(Config *config, StaticJsonDocument<512> json);
void initialize_config(Config *config, JsonDocument json);
bool load_config_file(const char *file_path, Config *config);
long minutes_to_microseconds(int minutes);
long minutes_to_milliseconds(int minutes);
#endif // CONFIG_H_

10
include/sensor.h Normal file
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@@ -0,0 +1,10 @@
#ifndef SENSOR_H_
#define SENSOR_H_
#include <DHT.h>
void initialize_sensor(DHT &sensor);
void read_values(DHT &sensor, float *data);
#endif // SENSOR_H_

29
include/wlan.h
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@@ -2,15 +2,28 @@
#define WLAN_H
#include "config.h"
#include <ESP8266WiFi.h>
#include <PubSubClient.h>
#include <AsyncMqttClient.h>
#include <Ticker.h>
#include <WiFi.h>
static AsyncMqttClient mqtt_client;
static Ticker mqtt_connection_timer, wlan_connection_timer;
extern Config *config;
void initialize_wlan();
void initialize_mqtt();
void connect_wlan();
void connect_mqtt();
void wlan_connection_handler(WiFiEvent_t event);
void on_mqtt_disconnection(AsyncMqttClientDisconnectReason reason);
void initial_connection(const char *ssid, const char *psk);
void connect_wlan(Config *config);
void connect_mqtt(PubSubClient &client, Config *config);
void disconnect_mqtt(PubSubClient &client, const char *topic);
size_t construct_json(float *data, char *buffer, int buffer_size);
void mqtt_transfer(PubSubClient &client, Config *config, float *data);
void enter_deep_sleep(bool wifi_timeout, int sleep_time);
void mqtt_transfer(float *data);
#endif /* WLAN_H */