1、esp_mqtt_client_handle_t esp_mqtt_client_init(const esp_mqtt_client_config_t *config) 函数描述:根据配置创建MQTT客户端句柄 参数esp_mqtt_client_config_t的结构体如下 typedef struct { mqtt_event_callback_t event_handle; / *!<
2.2、基于配置创建MQTT Client句柄 代码语言:javascript 代码运行次数:0 运行 AI代码解释 esp_mqtt_client_handle_tesp_mqtt_client_init(constesp_mqtt_client_config_t*config); config:配置结构体变量指针;esp_mqtt_client_handle_t:创建成功返回的mqtt client句柄。
const esp_mqtt_client_config_t mqtt_cfg = { .uri = CONFIG_BROKER_URI, .event_handle = mqtt_event_handler, .use_global_ca_store = true, }; 这种方式下,需要调用 esp_tls_set_global_ca_store 接口注册全局 CA,这个示例中可以是如下: esp_tls_set_global_ca_store(iot_eclipse_org_pem_start...
const esp_mqtt_client_config_t mqtt_cfg = { .uri = "mqtt://mqtt.eclipseprojects.io", // .user_context = (void *)your_context }; 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, clie...
mqtt_event_handler_cb(event_data); }//启动mqttstaticvoidmqtt_app_start(void) { esp_mqtt_client_config_t mqtt_cfg= {.uri =CONFIG_BROKER_URL,};#ifCONFIG_BROKER_URL_FROM_STDINcharline[128];if(strcmp(mqtt_cfg.uri,"FROM_STDIN") ==0) {intcount =0; ...
esp_mqtt_client_config_t mqtt_cfg = { //.uri = CONFIG_BROKER_URL, // CONFIG_BROKER_URL "mqtt://mqtt.eclipseprojects.io" .uri = "mqtt://192.168.0.8", // 可以在这里直接写,会覆盖在make menuconfig中的配置 //.host = "192.168.137.3", // MQTT服务器IP,uri或者host选用一个即可 ...
esp_mqtt_client_config_t mqtt_test_cfg = { .host = CONFIG_ETH_MQTT_TEST_HOST, .port = CONFIG_ETH_MQTT_TEST_PORT, .client_id = CHNT_CODE.ctrl_code, .username = CHNT_CODE.ctrl_code, .password = CHNT_CODE.brk_code, .cert_pem = (const char *)mqtt_esp32_pem, ...
constesp_mqtt_client_config_t mqtt_cfg ={ .host="*.*.*.*",//服务器IP地址 默认端口 1883 }; 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); ...
12| esp_err_t mqtt_start(void){ ... 13| esp_mqtt_client_config_t mqtt_cfg = { 14| .session.protocol_ver = MQTT_PROTOCOL_V_3_1_1 15| .broker.address.uri = “mqtts://your-borker.cedalo.cloud” 16| .credentials.username = “user” ...
我在用ESP32-C3 MQTT通信时遇到发送数据出错而重启的情况,谁能帮忙解决一下问题。这是报错导致重启的日志: I (134496) MQTT: MQTT_EVENT_ERROR I (134496) MQTT: Last errno string (Success) E (134496) MQTT_CLIENT: Error write data or timeout, written len = 0, errno=0 ...