Wetterstation v2
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#include "XD0MQTT.h"
#include <stdio.h>
#include <stdint.h>
#include <stddef.h>
#include <string.h>
#include "esp_wifi.h"
#include "esp_system.h"
#include "nvs_flash.h"
#include "esp_event.h"
#include "tcpip_adapter.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/queue.h"
#include "lwip/sockets.h"
#include "lwip/dns.h"
#include "lwip/netdb.h"
#include "esp_log.h"
#include "mqtt_client.h"
#include "esp_tls.h"
static const char *TAG = "MQTT";
XD0MQTT::XD0MQTT() {}
static esp_err_t mqtt_event_handler_cb(esp_mqtt_event_handle_t event)
{
esp_mqtt_client_handle_t client = event->client;
int msg_id;
//int mbedtls_err; esp_err_t err;
// your_context_t *context = event->context;
switch (event->event_id) {
case MQTT_EVENT_CONNECTED:
ESP_LOGI(TAG, "MQTT_EVENT_CONNECTED");
msg_id = esp_mqtt_client_subscribe(client, "/topic/qos0", 0);
ESP_LOGI(TAG, "sent subscribe successful, msg_id=%d", msg_id);
msg_id = esp_mqtt_client_subscribe(client, "/topic/qos1", 1);
ESP_LOGI(TAG, "sent subscribe successful, msg_id=%d", msg_id);
msg_id = esp_mqtt_client_unsubscribe(client, "/topic/qos1");
ESP_LOGI(TAG, "sent unsubscribe successful, msg_id=%d", msg_id);
break;
case MQTT_EVENT_DISCONNECTED:
ESP_LOGI(TAG, "MQTT_EVENT_DISCONNECTED");
break;
case MQTT_EVENT_SUBSCRIBED:
ESP_LOGI(TAG, "MQTT_EVENT_SUBSCRIBED, msg_id=%d", event->msg_id);
msg_id = esp_mqtt_client_publish(client, "/topic/qos0", "data", 0, 0, 0);
ESP_LOGI(TAG, "sent publish successful, msg_id=%d", msg_id);
break;
case MQTT_EVENT_UNSUBSCRIBED:
ESP_LOGI(TAG, "MQTT_EVENT_UNSUBSCRIBED, msg_id=%d", event->msg_id);
break;
case MQTT_EVENT_PUBLISHED:
ESP_LOGI(TAG, "MQTT_EVENT_PUBLISHED, msg_id=%d", event->msg_id);
break;
case MQTT_EVENT_DATA:
ESP_LOGI(TAG, "MQTT_EVENT_DATA");
printf("TOPIC=%.*s\r\n", event->topic_len, event->topic);
printf("DATA=%.*s\r\n", event->data_len, event->data);
break;
case MQTT_EVENT_ERROR:
ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
//mbedtls_err = 0;
//err = esp_tls_get_and_clear_last_error(event->error_handle, &mbedtls_err, NULL);
//ESP_LOGI(TAG, "Last esp error code: 0x%x", err);
//ESP_LOGI(TAG, "Last mbedtls failure: 0x%x", mbedtls_err);
break;
default:
ESP_LOGI(TAG, "Other event id:%d", event->event_id);
break;
}
return ESP_OK;
}
//static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data) {
static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event) {
esp_mqtt_client_handle_t client = event->client;
mqtt_event_handler_cb(event);
//ESP_LOGD(TAG, "Event dispatched from event loop base=%s, event_id=%d", base, event_id);
//mqtt_event_handler_cb(event_data);
}
bool XD0MQTT::begin(void) {
static esp_mqtt_client_config_t mqtt_cfg;
mqtt_cfg.uri = MQTT_BROKER_URI;
// mqtt_cfg.host = "home.xd0.de";
// mqtt_cfg.port = 8883;
mqtt_cfg.event_handle = mqtt_event_handler;
mqtt_cfg.cert_pem = (const char *)rootCACertificate;
mqtt_cfg.username = MQTT_USERNAME;
mqtt_cfg.password = MQTT_PASSWORD;
mqtt_cfg.user_context = (void*)this;
ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
Serial.printf("BROKER URI: %s\n", MQTT_BROKER_URI);
Serial.printf("MQTT USERNAME: %s\n", MQTT_USERNAME);
Serial.printf("MQTT PASSWORD: %s\n", MQTT_PASSWORD);
esp_mqtt_client_handle_t client = esp_mqtt_client_init(&mqtt_cfg);
//esp_mqtt_client_register_event(client, ESP_EVENT_ANY_ID, mqtt_event_handler, client);
esp_mqtt_client_start(client);
return true;
}