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Implement task handle for managing I2C

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This commit is contained in:
Erick
2025-11-30 23:36:54 +01:00
parent 5dd2c00ac0
commit 3670b58f8e
1 changed files with 25 additions and 7 deletions
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firmware/esp32/main/mqtt.cpp
+25 -7
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@@ -12,18 +12,36 @@
static const char* TAG = "MQTT";
static TaskHandle_t i2c_task_handle = NULL;
static esp_mqtt_client_handle_t mqtt_client = NULL;
const int MQTT_CONNECTED_BIT = BIT0;
static void mqtt_subscribe(void) {
msg_id = esp_mqtt_client_subscribe(client, "/topic/qos0", 0);
}
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);
mqtt_subscribe();
ESP_LOGI(TAG, "Connected to broker");
break;
case MQTT_EVENT_DISCONNECTED:
xEventGroupClearBits(connectivity_event_group, MQTT_CONNECTED_BIT);
ESP_LOGI(TAG, "Disconnected from broker");
ESP_LOGW(TAG, "Disconnected from broker");
break;
case MQTT_EVENT_DATA:
ESP_LOGI(TAG, "Listening to broker");
ESP_LOGV(TAG, "Topic: %.*s\n", event->topic_len, event->topic);
ESP_LOGV(TAG, "Data: %.*s\n", event->data_len, event->data);
char incoming_message[50]; //FIXME: check how long is the longest message on AVR!
memcpy(incoming_message, event->data, event->data_len);
incoming_message[event->data_len] = '\0'; //WARNING: maybe add some checks to the data_len
xTaskNotifyGive(i2c_task_handle);
break;
default:
break;
@@ -38,24 +56,24 @@ static void mqtt_init(void) {
.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 */
// the last argument may be used to pass data to the 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 mqtt_publish(void) {}
void mqttTask(void *pvParameters) {
ESP_LOGI(TAG, "Task started");
i2c_task_handle = xTaskGetCurrentTaskHandle();
mqtt_init();
ESP_ERROR_CHECK(esp_task_wdt_add(NULL));
for(;;) {