int at_client_wait_connect(rt_uint32_t timeout); 四、at client 流程梳理 在整个流程中会使用到3个缓存buffer: client->recv_buffer,响应数据和urc数据接收缓存,在at_client_init(AT_DEVICE_NAME,recv_bufsz)时申请的recv_bufsz大小空间,长期占用; client->resp->buf,响应数据接收缓存buffer,由用户自行申请...
RECV FROM: 116.228.221.51:9600 //接收来自不同IP地址和端口的数据 +IPD,5,test1 RECV FROM: 116.228.221.51:1234 +IPD,5,test2 RECV FROM:10.78.103.220:5678 +IPD,5:test3 AT+CIPSEND 》 Hello 9600 SEND OK AT+CIPUDPMODE=2,“211.136.131.65”,4500 OK AT+CIPUDPMODE? +CIPUDPMODE:1,“211.136....
+QIURC:"recv",0//URC:0 号 socket 收到信息>>> AT+QIRD=0,6//指定接收长度为 6 个字节+QIRD:6//接收了 6 个字节123456OK >>> AT+QIRD=0,6//再次接收+QIRD:4//接收了剩余的 4 个字节7890OK >>> AT+QICLOSE=0OKCLOSEOK 可以使用AT+QICFG="showlength",1指令更改收到信息 URC 的显示方...
client_socket, client_addr = server_socket.accept() # 连接成功后,打印客户端信息 print('a client connnect from:', client_addr) while(True): # 向客户端发送数据 client_socket.send('Hello, client!'.encode()) # 接收客户端的数据 data = client_socket.recv(1024) print('recv data is ', d...
data = client_socket.recv(1024) print('recv data is ', data.decode()) # 接收到quit则关闭socket if "quit" in data.decode(): break # 关闭socket client_socket.close() server_socket.close() print("socket closed.") break except:
AT+CIPSSLCPSKHEX: Query/Set SSL client Pre-shared Key (PSK) in hexadecimal format. AT+CIPRECVTYPE: Query/Set socket receiving mode. 1.4 MQTT Added more MQTT AT Commands: AT+MQTTLONGCLIENTID: Set MQTT client ID AT+MQTTLONGUSERNAME: Set MQTT username ...
{ .lock = at_mutex_lock,//多任务上锁(非OS下填NULL).unlock = at_mutex_unlock,//多任务解锁(非OS下填NULL).write= at_device_write,//串口数据写接口(非阻塞式).read= at_device_read,//串口数据读接口(非阻塞式).debug = at_debug,//调试打印接口(不需要则填NULL).recv_bufsize =256//接收...
AT+MCONFIG="clientId|securemode=2,signmethod=加密方式,timestamp=时间戳|","DeviceName&ProductKey","passwd" 而passwd是由形如: 'clientIdi0m26pL***.861551056***deviceName8615510564***productKeyi0m26p***timestamp16706417***'的字符串通过signmethod指定的加密方式计算而的,DeviceSecret作为计算的...
AT client 对象信息 structat_client{rt_device_tdevice;at_status_tstatus;charend_sign;/* the current received one line data buffer */char*recv_line_buf;/* The length of the currently received one line data */rt_size_trecv_line_len;/* The maximum supported receive data length */rt_size...
DEF—设置默认的 ESP8266 WiFi 国家码，并保存到 flashTCP/IP 功能 AT 指令TCP/IP 指令一览表TCP/IP 指令描述AT+CIPSTATUS—查询网络连接信息AT+CIPDOMAIN—域名解析功能AT+CIPSTART—建立 TCP 连接，UDP 传输或 SSL 连接AT+CIPSSLSIZE—设置 SSL Buffer 容量AT+CIPSSLCCONF—配置 SSL ClientAT+CIPSEND—发送...