![](https://csdnimg.cn/release/download_crawler_static/86324046/bg4.jpg)
目录
版本信息........................................................................................................................ 3
目录................................................................................................................................ 4
1 概述......................................................................................................................... 5
2 指令说明................................................................................................................. 6
3 基础 AT 指令 .......................................................................................................... 7
3.1 基础 AT 指令一览表 ................................................................................... 7
3.2 基础 AT 指令描述 ....................................................................................... 7
3.2.1 AT 测试 AT 启动 ............................................................................. 7
3.2.2 AT+RST 重启模块 ........................................................................... 7
3.2.3 AT+GMR 查看版本信息 .................................................................. 7
4 Wifi 功能 AT 指令 ................................................................................................. 8
4.1 Wifi 功能 AT 指令一览表 .......................................................................... 8
4.2 Wifi 功能 AT 指令 ...................................................................................... 8
4.2.1 AT+CWMODE 选择 WIFI 应用模式 ............................................. 8
4.2.2 AT+CWJAP 加入 AP ....................................................................... 9
4.2.3 AT+CWLAP 列出当前可用 AP ...................................................... 9
4.2.4 AT+CWQAP 退出与 AP 的连接 .................................................. 10
4.2.5 AT+ CWSAP 设置 AP 模式下的参数 .......................................... 10
4.2.6 AT+ CWLIF 查看已接入设备的 IP ............................................... 11
5 TCP/IP 工具箱 AT 指令 ...................................................................................... 11
5.1 TCP/IP 工具箱 AT 指令一览表 ................................................................ 11
5.2 TCP/IP 工具箱 AT 指令描述 .................................................................... 11
5.2.1 AT+ CIPSTATUS 获得连接状态 .................................................. 11
5.2.2 AT+CIPSTART 建立 TCP 连接或注册 UDP 端口号 .................. 12
5.2.3 AT+CIPSEND 发送数据 ............................................................... 13
5.2.4 AT+CIPCLOSE 关闭 TCP 或 UDP ............................................... 13
5.2.5 AT+CIFSR 获取本地 IP 地址 ....................................................... 14
5.2.6 AT+ CIPMUX 启动多连接 ........................................................... 14
5.2.7 AT+ CIPSERVER 配置为服务器 ................................................. 15
5.2.8 AT+ CIPMODE 设置模块传输模式 .............................................. 15
5.2.9 AT+ CIPSTO 设置服务器超时时间 .............................................. 16
5.2.10 +IPD 接收到网络数据 ................................................................... 16
4/ 16 Espressif Systems June 16, 2014