68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/event_groups.h"
|
|
#include "esp_task_wdt.h"
|
|
#include "esp_event.h"
|
|
#include "esp_log.h"
|
|
#include "mqtt_client.h"
|
|
#include "main.hpp"
|
|
|
|
static const char* TAG = "MQTT";
|
|
|
|
const int MQTT_CONNECTED_BIT = BIT0;
|
|
|
|
static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data) {
|
|
esp_mqtt_event_handle_t event = event_data;
|
|
switch (event->event_id) {
|
|
case MQTT_EVENT_CONNECTED:
|
|
xEventGroupSetBits(connectivity_event_group, MQTT_CONNECTED_BIT);
|
|
ESP_LOGI(TAG, "Connected to broker");
|
|
break;
|
|
case MQTT_EVENT_DISCONNECTED:
|
|
xEventGroupClearBits(connectivity_event_group, MQTT_CONNECTED_BIT);
|
|
ESP_LOGI(TAG, "Disconnected from broker");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void mqtt_init(void) {
|
|
// TODO; implement Trust only or Mutual TLS in the future (and secure boot + flash encryption)
|
|
const esp_mqtt_client_config_t mqtt_cfg = {
|
|
.broker = {
|
|
//TODO: make this a definition in config.hpp
|
|
.address.uri = "mqtt://yourmqttserver",
|
|
.address.port = 1883
|
|
},
|
|
|
|
esp_mqtt_client_handle_t client = esp_mqtt_client_init(&mqtt_cfg);
|
|
mqttClient = client;
|
|
/* The last argument may be used to pass data to the event handler, in this example mqtt_event_handler */
|
|
esp_mqtt_client_register_event(client, ESP_EVENT_ANY_ID, mqtt_event_handler, NULL);
|
|
esp_mqtt_client_start(client);
|
|
}
|
|
|
|
static void mqtt_subscribe(void) {
|
|
msg_id = esp_mqtt_client_subscribe(client, "/topic/qos0", 0);
|
|
}
|
|
|
|
static void mqtt_publish(void) {}
|
|
|
|
void mqttTask(void *pvParameters) {
|
|
ESP_LOGI(TAG, "Task started");
|
|
|
|
mqtt_init();
|
|
ESP_ERROR_CHECK(esp_task_wdt_add(NULL));
|
|
|
|
for(;;) {
|
|
ESP_LOGI(TAG, "Checking broker connection...");
|
|
|
|
if(bits && MQTT_CONNECTED_BIT) mqtt_publish();
|
|
else ESP_LOGW(TAG, "Waiting for connection...");
|
|
|
|
ESP_ERROR_CHECK(esp_task_wdt_reset());
|
|
ESP_LOGI(TAG, "Task reset");
|
|
vTaskDelay(pdMS_TO_TICKS(3000));
|
|
}
|
|
}
|