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; / *!<处理MQTT事件作为传统模式的回调* / esp_event_loop_handle_t even...
esp_mqtt_client_handle_t esp_mqtt_client_init(const esp_mqtt_client_config_t *config); 1. 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。 2.3、启动MQTT Client(客户端) esp_err_t esp_mqtt_client_start(esp_mqtt_client_handle_t client); 1. client:mqtt...
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。
}//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; printf("Please enter url of mqtt broker\n");while(count <128) {//...
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, ...
const esp_mqtt_client_config_t mqtt_cfg = { .broker = { .address = { .uri = brokerAddress //"mqtts://192.168.1XX.XX:8883", //.port = mqttPort, }, .verification = { .certificate = ca_cert_file, .certificate_len = strlen(ca_cert_file), .skip_cert_common_name_check = false...
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 ...
connect() client.subscribe(topic_sub) print('Connected to %s MQTT broker, subscribed to %s topic' % (mqtt_server, topic_sub)) return client 定义一个重启和重新连接的函数 def restart_and_reconnect(): print('Failed to connect to MQTT broker. Reconnecting...') time.sleep(10) machine.reset(...
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 ...