更新(mqtt APP):MQTT可以正常使用

This commit is contained in:
Alvin Young 2022-10-02 20:44:54 +08:00
parent ace9248046
commit 867dad8c12
2 changed files with 70 additions and 105 deletions

View File

@ -27,13 +27,13 @@
#include "esp_wifi.h"
#include "esp_system.h"
#include "nvs_flash.h"
#include "esp_event.h"
#include "esp_netif.h"
#include "esp_event_loop.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/queue.h"
#include "freertos/event_groups.h"
#include "lwip/sockets.h"
#include "lwip/dns.h"
@ -43,88 +43,78 @@
#include "mqtt_client.h"
static const char *TAG = "MQTT_EXAMPLE";
//mqtt连上事件
static EventGroupHandle_t mqtt_event_group;
const static int CONNECTED_BIT = BIT0;
esp_mqtt_client_handle_t client;
static void log_error_if_nonzero(const char *message, int error_code)
static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
{
if (error_code != 0) {
ESP_LOGE(TAG, "Last error %s: 0x%x", message, error_code);
}
}
/*
* @brief Event handler registered to receive MQTT events
*
* This function is called by the MQTT client event loop.
*
* @param handler_args user data registered to the event.
* @param base Event base for the handler(always MQTT Base in this example).
* @param event_id The id for the received event.
* @param event_data The data for the event, esp_mqtt_event_handle_t.
*/
static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data)
{
ESP_LOGD(TAG, "Event dispatched from event loop base=%s, event_id=%d", base, event_id);
esp_mqtt_event_handle_t event = event_data;
esp_mqtt_client_handle_t client = event->client;
int msg_id;
switch ((esp_mqtt_event_id_t)event_id) {
case MQTT_EVENT_CONNECTED:
// your_context_t *context = event->context;
switch (event->event_id) {
case MQTT_EVENT_CONNECTED://MQTT连上事件
ESP_LOGI(TAG, "MQTT_EVENT_CONNECTED");
msg_id = esp_mqtt_client_publish(client, "/topic/qos1", "data_3", 0, 1, 0);
ESP_LOGI(TAG, "sent publish successful, msg_id=%d", msg_id);
msg_id = esp_mqtt_client_subscribe(client, "/topic/qos0", 0);
ESP_LOGI(TAG, "sent subscribe successful, msg_id=%d", msg_id);
xEventGroupSetBits(mqtt_event_group, CONNECTED_BIT);
//发布主题
// msg_id = esp_mqtt_client_publish(client, "/topic/qos1", "data_3", 0, 1, 0);
// ESP_LOGI(TAG, "sent publish successful, msg_id=%d", msg_id);
//发送订阅
// msg_id = esp_mqtt_client_subscribe(client, "/topic/qos0", 0);
// ESP_LOGI(TAG, "sent subscribe successful, msg_id=%d", msg_id);
//发送订阅
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);
//取消订阅
// 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:
case MQTT_EVENT_DISCONNECTED://MQTT断开连接事件
ESP_LOGI(TAG, "MQTT_EVENT_DISCONNECTED");
//mqtt连上事件
xEventGroupClearBits(mqtt_event_group, CONNECTED_BIT);
break;
case MQTT_EVENT_SUBSCRIBED:
case MQTT_EVENT_SUBSCRIBED://MQTT发送订阅事件
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);
msg_id = esp_mqtt_client_publish(client, "/topic/qos0", "订阅成功", 0, 0, 0);
ESP_LOGI(TAG, "sent publish successful, msg_id=%d", msg_id);
break;
case MQTT_EVENT_UNSUBSCRIBED:
case MQTT_EVENT_UNSUBSCRIBED://MQTT取消订阅事件
ESP_LOGI(TAG, "MQTT_EVENT_UNSUBSCRIBED, msg_id=%d", event->msg_id);
break;
case MQTT_EVENT_PUBLISHED:
case MQTT_EVENT_PUBLISHED://MQTT发布事件
ESP_LOGI(TAG, "MQTT_EVENT_PUBLISHED, msg_id=%d", event->msg_id);
break;
case MQTT_EVENT_DATA:
case MQTT_EVENT_DATA://MQTT接受数据事件
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);
printf("TOPIC=%.*s\r\n", event->topic_len, event->topic); //主题
printf("DATA=%.*s\r\n", event->data_len, event->data); //内容
break;
case MQTT_EVENT_ERROR:
case MQTT_EVENT_ERROR://MQTT错误事件
ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
if (event->error_handle->error_type == MQTT_ERROR_TYPE_TCP_TRANSPORT) {
log_error_if_nonzero("reported from esp-tls", event->error_handle->esp_tls_last_esp_err);
log_error_if_nonzero("reported from tls stack", event->error_handle->esp_tls_stack_err);
log_error_if_nonzero("captured as transport's socket errno", event->error_handle->esp_transport_sock_errno);
ESP_LOGI(TAG, "Last errno string (%s)", strerror(event->error_handle->esp_transport_sock_errno));
}
xEventGroupClearBits(mqtt_event_group, CONNECTED_BIT);
break;
default:
ESP_LOGI(TAG, "Other event id:%d", event->event_id);
break;
}
return ESP_OK;
}
//mqtt初始化
static void mqtt_app_start(void)
{
mqtt_event_group = xEventGroupCreate();
esp_mqtt_client_config_t mqtt_cfg = {
.host = "mqtt://mqtt.impressionyang.top",
.port = 21883,
.host = "117.50.172.12", //MQTT服务器IP
.event_handle = mqtt_event_handler, //MQTT事件
.port=21883, //端口
.username = "admin", //用户名
.password = "public", //密码
// .user_context = (void *)your_context
};
#if CONFIG_BROKER_URL_FROM_STDIN
char line[128];
@ -150,39 +140,12 @@ static void mqtt_app_start(void)
}
#endif /* CONFIG_BROKER_URL_FROM_STDIN */
esp_mqtt_client_handle_t client = esp_mqtt_client_init(&mqtt_cfg);
/* 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);
client = esp_mqtt_client_init(&mqtt_cfg);
esp_mqtt_client_start(client);
//等mqtt连上
xEventGroupWaitBits(mqtt_event_group, CONNECTED_BIT, false, true, portMAX_DELAY);
}
// void app_main(void)
// {
// ESP_LOGI(TAG, "[APP] Startup..");
// ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
// ESP_LOGI(TAG, "[APP] IDF version: %s", esp_get_idf_version());
// esp_log_level_set("*", ESP_LOG_INFO);
// esp_log_level_set("MQTT_CLIENT", ESP_LOG_VERBOSE);
// esp_log_level_set("MQTT_EXAMPLE", ESP_LOG_VERBOSE);
// esp_log_level_set("TRANSPORT_BASE", ESP_LOG_VERBOSE);
// esp_log_level_set("esp-tls", ESP_LOG_VERBOSE);
// esp_log_level_set("TRANSPORT", ESP_LOG_VERBOSE);
// esp_log_level_set("OUTBOX", ESP_LOG_VERBOSE);
// ESP_ERROR_CHECK(nvs_flash_init());
// ESP_ERROR_CHECK(esp_netif_init());
// ESP_ERROR_CHECK(esp_event_loop_create_default());
// /* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
// * Read "Establishing Wi-Fi or Ethernet Connection" section in
// * examples/protocols/README.md for more information about this function.
// */
// ESP_ERROR_CHECK(example_connect());
// mqtt_app_start();
// }
static void _app_task_mqtt_run(void* param)
{
while (!app_main_handle_get_nework_state()) {
@ -191,7 +154,8 @@ static void _app_task_mqtt_run(void* param)
ESP_ERROR_CHECK(esp_netif_init());
mqtt_app_start();
while (1) {
vTaskDelay(10);
vTaskDelay(100);
esp_mqtt_client_publish(client, "/topic/qos0", "Hello MQTT", 0, 0, 0);
}
}

View File

@ -27,8 +27,8 @@
#include <string.h>
/* Set the SSID and Password via project configuration, or can set directly here */
#define DEFAULT_SSID "1022"
#define DEFAULT_PWD "w15077040648"
#define DEFAULT_SSID "IMPRESSIONYANG"
#define DEFAULT_PWD "88888888"
#if CONFIG_EXAMPLE_WIFI_ALL_CHANNEL_SCAN
#define DEFAULT_SCAN_METHOD WIFI_ALL_CHANNEL_SCAN
@ -84,6 +84,7 @@ static void event_handler(void* arg, esp_event_base_t event_base,
/* Initialize Wi-Fi as sta and set scan method */
static void fast_scan(void)
{
tcpip_adapter_init();
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());