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Jinan USR IOT Technology USR-WIFI232-A2 User Manual

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USR-WIFI232-A2 User Manual
http://www.usriot.com
USR-WIFI232-A2
Embedded WiFi Module User Manual
Version：V6.0
Note: this article is based on the firmware version for V5.01.01 and above version of the module,
if the version is lower than this version, some function is not supported.
Jinan USR IOT Technology Limited
Page 1 of 76
tec@usr.cn

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Summary of Contents for Jinan USR IOT Technology USR-WIFI232-A2

  • Page 1 Note: this article is based on the firmware version for V5.01.01 and above version of the module, if the version is lower than this version, some function is not supported. Jinan USR IOT Technology Limited Page 1 of 76 tec@usr.cn...

  • Page 2: Table Of Contents

    4.3.3 AP+STA..........................25 4.4 Ethernet Interface Communication..................... 26 4.4.1 USR-WIFI232-A2 Ethernet Interface Networking (As AP).......... 26 4.4.2 USR-WIFI232-A2 Ethernet Interface Networking (As STA, N-Ver)......27 4.4.3 USR-WIFI232-A2 Ethernet Interface Networking (As STA, Z-Ver)......27 4.5 WI-FI parameter setting........................ 28 Jinan USR IOT Technology Limited Page 2 of 76 tec@usr.cn...
  • Page 3 4.13.1 Configuration Mode......................43 4.13.1.1 Switch to Configuration Mode................44 4.13.2 AT+ Instruction Set Overview..................44 4.13.2.1 Instruction Syntax Format................... 46 4.13.2.2 AT+ command Set....................47 4.13.2.2.1 AT+E......................49 4.13.2.2.2 AT+ENTM....................49 4.13.2.2.3 AT+NETP....................49 Jinan USR IOT Technology Limited Page 3 of 76 tec@usr.cn...
  • Page 4 4.13.2.2.37 AT+IDFIR....................61 4.13.2.2.38 AT+IDEVE....................61 4.13.2.2.39 AT+AABR....................62 4.13.2.2.40 AT+RELD....................62 4.13.2.2.41 AT+Z......................62 4.13.2.2.42 AT+MID..................... 62 4.13.2.2.43 AT+VER.....................62 4.13.2.2.44 AT+H......................62 4.13.2.2.45 AT+ HTTPURL..................63 4.13.2.2.46 AT+ HTTPTP....................63 4.13.2.2.47 AT+ HTTPPH....................63 Jinan USR IOT Technology Limited Page 4 of 76 tec@usr.cn...
  • Page 5 4.13.2.2.59 AT+ HTPTP....................67 4.13.2.2.60 AT+ HTPURL....................68 4.13.2.2.61 AT+ HTPHEAD..................68 4.13.2.2.62 AT+ REGEN..................... 68 4.13.2.2.63 AT+ REGTCP...................69 4.13.2.2.64 AT+ REGID....................69 5 USR-WIFI232-A2 Usage Introduction....................69 5.1 Module Debug..........................69 5.1.1 Software Debug Tools......................69 5.1.2 Network Connection......................70 5.1.3 Debug........................... 70 5.2 Use Cases............................72 5.2.1 Wireless Control Application.....................72...

  • Page 6: Quick Start

    About the serial connection, because the module RS232 is 3.3V TTL level, the computer can not connect to module directly, the user needs to have a TTL to RS232 adapter cable and then connect to the computer. in order to facilitate the test, we provide USR-WIFI232-A2 evaluation board for users to choose.

  • Page 7: Network Connection

    1.2 Network connection The following is the USR-WIFI232-A2 module example,Other modules are the same.Open Wi-Fi, search network, as shown in below, USR-WIFI232-A2_3378(B determined according to the specific type of module, XXXX is the MAC address after the four) is the default network name (SSID) of the module.

  • Page 8: Communication Test

    USR-WIFI232-A2 User Manual http://www.usriot.com Figure 3 WIFI connection Now, nlink led of USR-WIFI232-A2 Evaluation Board is lighting. 1.3 communication test Module’s default setting: SSID:USR-WIFI232-A2;  Encryption mode:open，none;  UART:57600,8,1,None;  Network parameters：TCP,Server,8899,10.10.100.254;  IP:10.10.100.254;  We just need to follow the parameters of the corresponding set of network communication parameters, you can make serial <-->...

  • Page 9: Product Overview

    These data fields, do a professional optimization. USR-WIFI232-A2 as a hot spot can accommodate 32 clients simultaneously wi-fi access, but also can accommodate 32 TCP client.

  • Page 10: Device Paremeters

    Function  Single +3.3V Power Supply  FCC/CE Certificated  Support customization  2.3 Device Paremeters USR-WIFI232-A2 Module Technical Specifications Table 1 Class Item Parameters Certification FCC/CE Wireless standard 802.11 b/g/n Frequency range 2.412GHz-2.484GHz 802.11b: +20 dBm (Max.) 802.11g: +18 dBm (Max.)

  • Page 11: Key Application

    Shelf life in sealed bag: 12 months, at <30℃ and <60% relative humidity (RH)  After bag is opened, devices that will be re-baked required after last baked with window time  168 hours. Recommend to oven bake with N2 supplied.  Jinan USR IOT Technology Limited Page 11 of 76 tec@usr.cn...

  • Page 12: Hardware Introduction

    Window time means from last bake end to next reflow start that has 168 hours space. 3 Hardware Introduction 3.1 Pins Definition 3.1.1 USR-WIFI232-A2 Pins Definition Figure 6 USR-WIFI232-A2 Figure 7 USR-WIFI232-A2 Pins Map Table 3 USR-WIFI232-A2 Pins Definition Description Name Directio...

  • Page 13: Mechanical Size

    Support transformer and Ethernet Output+ PHY_TX+ direct connection (AC Ethernet Output- PHY_TX- couple) mode. 3.2 Mechanical Size USR-WIFI232-A2 modules physical size (25x40mm) as follows: 3.2.1 USR-WIFI232-A2 USR-WIFI232-A2 module Mechanical Size(mm): Jinan USR IOT Technology Limited Page 13 of 76 tec@usr.cn...

  • Page 14: Antenna

    USR provides the evaluation kit to promote user to familiar the product and develop the detailed application. The evaluation kit shown as below, user can connect to USR-WIFI232-A2 module with the RS-232 UART port, 100M Eth port or Wireless port to configure the parameters, manage the module or do the some functional tests.
  • Page 15 2x7 2mm DIP connector, connect WIFI module Power 3.3V Power Indicator (Red) TXD Indicator RXD Indicator Ready nReady/GPIO Indicator Link nLink/GPIO Indicator Button Reset Used to reset the module. Reload Module restore to factory default configuration. Jinan USR IOT Technology Limited Page 15 of 76 tec@usr.cn...

  • Page 16: Hardware Reference Design

    USR-WIFI232-A2 User Manual http://www.usriot.com 3.5 Hardware Reference Design 3.5.1 Hardware Typical Application USR-WIFI232-A2 Hardware Typical Application Figure 10 Notes： nRST- Module hardware reset signal. Input. Logics “0” effective. There is 100K Ohm pull-up resister internal up to 3.3V. When module power up or some issue happened, MCU need assert nRST signal “0”...

  • Page 17: 10/100M Ethernet Interface

    3.5.2.1 Ethernet Connection with Transformer User board put Ethernet transformer and RJ-45 connector. This is a general 10/100M Ethernet phy layer connection. The reference design as following: (Above is for USR-WIFI232-A2 pin type module) Ethernet Reference Design with Transformer Figure 11 3.5.2.2 Ethernet Connection without Transformer...

  • Page 18: Uart Interface

    3.Your PHY chip on board should better to be forced into 100M work mode 3.5.3 UART Interface UART interface is the serial data transmition interface mainly used for USR-WIFI232-A2 modules. Jinan USR IOT Technology Limited Page 18 of 76...

  • Page 19: Power Interface

    Figure 14 Notes: TXD pin is also hardware configuration pin internal module. So this pin MUST pull-down during module power up. USR-WIFI232-A2 modules provide internal pull-down resister, user can’t add pull-up/pull-down resister on user board, which may cause module can’t work.

  • Page 20: Working Mode

    4.2 Working mode 4.2.1 Transparent Mode USR-WIFI232-A2 modules support serial interface transparent transmission mode. The benefit of this mode is achieves a plug and play serial data port, and reduces user complexity furthest. In this mode, user should only configure the necessary parameters. After power on, module can automatically connect to the default wireless network and server.

  • Page 21: Serial Command Mode

    If it is IP, is 4 bytes, for example, 192.168.0.7 said 0x07 0x00 0xA8 0xC0; if it is a domain name, then the address of indefinite length,ending with the’\0'. Data: Variable length,the maximum not exceeding 1000bytes. Jinan USR IOT Technology Limited Page 21 of 76 tec@usr.cn...

  • Page 22: Gpio Mode

    Data:0x01(data length :1) Sum check:0x0f (0x00+0x00+0x00+0x21+0x00+0x85+0x00+0xA8+0xC0+0x01=0x0f) 4.2.3 GPIO mode USR-WIFI232-A2 module support GPIO mode:At GPIO,UART (TXD/ RXD/CTS/RTS) defined as GPIO and others (Ready/Link/) also defined as GPIO pin. When module works at GPIO mode, PC and other equipments can setup connection (TCP/UDP) through WiFi, then read/write GPIO information through command.

  • Page 23: Wireless Networking

    USR-WIFI232-A2 module can be configured as both wireless STA and AP base on network type. Logically there are two interfaces in USR-WIFI232-A2. One is for STA, and another is for AP. When USR-WIFI232-A2 works as AP, other STA equipments are able to connect to wireless LAN via USR-WIFI232-A2 module.

  • Page 24: Sta

    Figure 16 4.3.2 AP Because USR-WIFI232-A2 can be set to AP, can also be set to STA, so the USR-WIFI232-A2 can be achieved easily wireless ad hoc network. As showing in the figure below, USR-WIFI232-A2 (1) can be treat as an AP, and USR-WIFI232- A2 (2), USR-WIFI232-A2 (3) and the laptop are STAs connected to USR-WIFI232-A2 (1).

  • Page 25: Ap+Sta

    USR-WIFI232-A2 STA Network Structure Figure 17 4.3.3 AP+STA USR-WIFI232-A2 module support AP+STA network mode, means module support one AP interface and one STA interface at the same time, as following figure, USR-WIFI232-A2 AP+STA Network Structure Figure 18 When module enables AP+STA function, Module’s STA interface can connect with router and connect to TCP server in the network.

  • Page 26: Ethernet Interface Communication

    USR-WIFI232-A2 module provides one 100M Ethernet interface. With this Ethernet interface, user can easily realize the three interface (WiFi, UART, and Ethernet) intercommunication and networking. USR-WIFI232-A2 module can configured as Bridge Mode or Router Mode base on different networking technology.

  • Page 27: Usr-Wifi232-A2 Ethernet Interface Networking (As Sta, N-Ver)

    USR-WIFI232-A/B/C Ethernet Interface Networking (As AP) Figure 19 USR-WIFI232-A2 module works as AP and also the center of this network. All devices’ IP address in this network shall use the same network segment with USR-WIFI232-A2 and they can ntercommunication with this method.

  • Page 28: Wi-Fi Parameter Setting

    4.5 WI-FI parameter setting 4.5.1 Auto- Frequency Function When module works as STA, USR-WIFI232-A2 will adjust its wireless channel to keep the same channel with associated AP and connect in. When module works as AP and USR-WIFI232-A2 enable Auto-frequency function, then when module boot up, it will select the best wireless channel based on surrounding environment.

  • Page 29: Uart Frame Scheme

    UART data. If this interval time exceeds defined value (50ms default), USR-WIFI232-A2 will think it as the end of one frame and transfer this free-frame to WiFi port, or USR-WIFI232-A2 will receive UART data until 4K bytes, then transfer 4KB frame to WiFi port.

  • Page 30: Network Setting

    4.7 Network Setting USR-WIFI232-A2 module has two TCP/UDP Socket: Socket A and Socket B. Serial data written to the module, will be sent to the Socket A and B simultaneously; TCP/UDP data that module receives through either Socket A or B,will be sent to the serial port.

  • Page 31: New Function

    In this way, the module of baud rate will be as the USR-VCOM to change at any time, and don't have to restart the module.If restart the module, baud rate and will come back to before. Jinan USR IOT Technology Limited Page 31 of 76...

  • Page 32: Web Io

    This module can realize the function of the websocket server, allowing serial real-time interaction with the web module, replace the previous HTTP GET, POST, corresponding faster.This module provides the corresponding websocket test page for user testing, specific page is as follows:(web Page:10.10.100.254/websocketen.html) Jinan USR IOT Technology Limited Page 32 of 76 tec@usr.cn...

  • Page 33: Fast Access Wi-Fi(Usr-Link)

    Data from module to phone PDA (HEX): FF 00 14 81 02 54 45 53 54 31 00 40 0D 0A 54 45 53 54 32 00 37 0D 0A 1F Explanation: Jinan USR IOT Technology Limited Page 33 of 76 tec@usr.cn...

  • Page 34: Palmodic Signal

    0.5Hz square wave with dutyfactor 1:1. User can query this signal to judge if moduleis active “live” or need to re-boot. When module switches to command mode, it will output “0”, which used to distinguish work mode and command mode. Notes: Jinan USR IOT Technology Limited Page 34 of 76 tec@usr.cn...

  • Page 35: Parameters Configuration

    USR Technology for more detailed support. 4.10 Parameters Configuration USR-WIFI232-A2 module supports two methods to configuration parameters: Web Accessing and AT+instruction set. Web accessing means users can configure parameters through built-in webpage. When USR- WIFI232-A2 module connected to wireless network, parameters configuration is done on a PC connected to the same wireless network.

  • Page 36: Web Accessing And At Command Set

    Web Accessing and AT command set 4.12 Configuration via Web Accessing When first use USR-WIFI232-A2 modules, user may need some configuration. User can connect to USR-WIFI232-A2 module’s wireless interface with following default setting information and configure the module through laptop.

  • Page 37: Quick Configure

    This page use to setting the wireless networking mode (AP and STA mode). "Data transmission mode" selection module working mode are "Transparent Mode", "Serial Command mode", "HTTPD Client mode", "GPIO mode". "TCP connection password authentication" can choose whether open TCP password authentication. Jinan USR IOT Technology Limited Page 37 of 76 tec@usr.cn...

  • Page 38: Ap Interface Setting Page

    This page use to setting the parameters when USR-WIFI232-A/B/C module works as STA. Such as SSID of AP which module need to connected, and also select the networking type: DHCP or static IP address. Jinan USR IOT Technology Limited Page 38 of 76 tec@usr.cn...

  • Page 39: Application Setting Page

    This page use to setting the parameters of serial port communication, such as UART setting,UART AutoFrame Setting,Ethernet function,Device ID setting and high layer network protocol setting which used support serial communication. Jinan USR IOT Technology Limited Page 39 of 76 tec@usr.cn...

  • Page 40: Ethernet Setting

    WAN port to use, this module can be used as a secondary router, making it easy for users to network.Specific Settings page is as follows: Ethernet Setting Page Figure 32 Jinan USR IOT Technology Limited Page 40 of 76 tec@usr.cn...

  • Page 41: Httpd Client Mode

    GET, data can be added to the back of the path in the HTTP header.The specific way of sending data can consult section 4.2.4. HTTPD Client Mode Page Figure 33 4.12.9 WEB IO WEB IO Page Figure 34 Jinan USR IOT Technology Limited Page 41 of 76 tec@usr.cn...

  • Page 42: Advanced Page

    4.12.11 Device Management Page This page use to manage USR-WIFI232-A/B/C module general setting, such as administrator setting, restart module button, restore factory default setting button, and update firmware through webpage. Jinan USR IOT Technology Limited Page 42 of 76 tec@usr.cn...

  • Page 43: At Command Introduction

    4.13 AT command Introduction 4.13.1 Configuration Mode When USR-WIFI232-A2 power up, it will default works as transparent transmission mode, then user can switch to configuration mode by serial port command. USR-WIFI232-A2 UART default parameters setting as below figure USR-WIFI232-A2 Default UART Port Parameters...

  • Page 44: Switch To Configuration Mode

    User can input AT+ Instruction through hyper terminal or other serial debug terminal, also can program the AT+ Instruction to script. User can also input “AT+H” to list all AT+ Instruction and description to start. Jinan USR IOT Technology Limited Page 44 of 76 tec@usr.cn...
  • Page 45 Click “Open Com”, send “+++a”, it will reply +ok in left side, then type in and send the command you need to send, then click “AT+RELD” to restore, then parameters saved. Jinan USR IOT Technology Limited Page 45 of 76...

  • Page 46: Instruction Syntax Format

    AT+Instruction protocol is based on the instruction of ASCII command style, the description of syntax format as follow. Format Description  < >: Means the parts must be included  [ ]: Means the optional part  Command Message  Jinan USR IOT Technology Limited Page 46 of 76 tec@usr.cn...

  • Page 47: At+ Command Set

    Open/Close show back function ENTM Set module into transparent transmission mode NETP Set/Query network protocol parameters UART Set/Query serial port parameters UARTF Open/Close UART auto-frame function UARTFT Set/Query UART auto-frame trigger time Jinan USR IOT Technology Limited Page 47 of 76 tec@usr.cn...
  • Page 48 Under the new mode,Settings/query server and IP address(HTTPD HTPSV Client) Under the new mode,Settings/query request type(HTTPD Client) HTPTP Under the new mode,setting/query request path(HTTPD Client) HTPURL HTPHEAD Under the new mode,Settings/query the HTTP header(HTTPD Jinan USR IOT Technology Limited Page 48 of 76 tec@usr.cn...

  • Page 49: At+E

    Settings/query Upload Manner REGTCP Settings/query Device ID REGID Notes: USR-WIFI232-A2 module can works as AP or STA, user have to use different AT+ Instruction to set WiFi parameters when module works as AP or STA mode. 4.13.2.2.1 AT+E Function: Open/Close show back function;...

  • Page 50: At+Uart

    USR-WIFI232-A2 User Manual http://www.usriot.com IP: Server’s IP address when module set as client  After USR-WIFI232-A2 module boots up again, the setting will be effective. 4.13.2.2.4 AT+UART Function: Set/Query serial port parameters;  Format:  Query Operation  AT+UART<CR> +ok=<baudrate,data_bits,stop_bit,parity,flowctrl><CR>< LF ><CR>< LF >...

  • Page 51: At+Uartfl

    AT+WMODE Function: Set/Query WIFI work mode;  Format:  Query Operation  AT+WMODE<CR> +ok=<mode><CR>< LF ><CR>< LF > Set Operation  AT+ WMODE=<mode><CR> +ok<CR>< LF ><CR>< LF > Parameters:  Jinan USR IOT Technology Limited Page 51 of 76 tec@usr.cn...

  • Page 52: At+Wskey

    This Instruction only effective for USR-WIFI232-A/B/C works as STA. After USR-WIFI232-A/B/C module boots up again, the setting will be effective. But user can set this command when module configured as AP. 4.13.2.2.12 AT+ WSLK Jinan USR IOT Technology Limited Page 52 of 76 tec@usr.cn...

  • Page 53: At+Webu

    +ok<CR>< LF ><CR>< LF > Parameters:  wifi_mode: WiFi protocols  11BG    11BGN   ssid: SSID when module works as AP;  channel: WIFI channel selection  AUTO  Jinan USR IOT Technology Limited Page 53 of 76 tec@usr.cn...

  • Page 54: At+Wakey

     Query Operation  AT+HIDSSID<CR> +ok=<sta.><CR><LF><CR><LF> Set Operation  AT+HIDSSID=<sta><CR> +ok<CR><LF><CR><LF> Parameters:  When Query,sta reply if module’s SSID is hide;  On-not hide SSID  Off- hide SSID  Jinan USR IOT Technology Limited Page 54 of 76 tec@usr.cn...

  • Page 55: At+Mslp

    TCP link;  on: TCP link setup;  off: TCP link not setup;  4.13.2.2.20 AT + TCPDIS Function: Open/Cose TCP (Only TCP Client available);  Jinan USR IOT Technology Limited Page 55 of 76 tec@usr.cn...

  • Page 56: At+ Wann

    +ok=<address,mask ><CR>< LF ><CR>< LF > Set Operation  AT+ LANN=<address,mask ><CR> +ok<CR>< LF ><CR>< LF > Parameters:  address: LAN port IP address;  mask: LAN port subnet mask;  Jinan USR IOT Technology Limited Page 56 of 76 tec@usr.cn...

  • Page 57: At+Dhcpden

    Set Operation  AT+ TCPTO=<time ><CR> +ok<CR>< LF ><CR>< LF > Parameters:  time: TCP timeout time.  <= 600, (600s);  >=0, (0 means no timeout);  Default, 0s;  Jinan USR IOT Technology Limited Page 57 of 76 tec@usr.cn...

  • Page 58: At+ Maxsk

    +ok<CR>< LF ><CR>< LF > Parameters:  sta: TCPB enable status  on, TCPB enable  off, TCPB disable  After USR-WIFI232-A2 module boots up again, the setting will be effective. 4.13.2.2.28 AT+TCPPTB Function: Set/Query TCPB port number;  Format:  Query Operation ...

  • Page 59: At+Tcpaddb

    USR-WIFI232-A2 User Manual http://www.usriot.com After USR-WIFI232-A2 module boots up again, the setting will be effective. 4.13.2.2.29 AT+TCPADDB Function: Set/Query TCPB server address;  Format:  Query Operation  AT+TCPADDB<CR> +ok=<add><CR>< LF ><CR>< LF > Set Operation  AT+ TCPADDB=<add><CR> +ok<CR>< LF ><CR>< LF >...

  • Page 60: At+Sttc

     Query Operation  AT+FUDLX<CR> +ok=<on/off><CR><LF><CR><LF> Set Operation  AT+FUDLX=<on/off><CR> +ok<CR><LF><CR><LF> Parameters:  On/off: Enable or Disable 485 function  On, enable 485 function;  Off, disable 485 function;  Jinan USR IOT Technology Limited Page 60 of 76 tec@usr.cn...

  • Page 61: At+Mmid

    Note: The ID function requires that the server carries out corresponding processing.In front of the data when module connected to the server with two bytes of ID (ID the range is 0 ~ 65535, the high byte before, byte behind) plus two bytes radix-minus-one Jinan USR IOT Technology Limited Page 61 of 76 tec@usr.cn...

  • Page 62: At+Aabr

    Function: Query module software version information;  Format:  Query Operation  AT+VER<CR> +ok=<ver><CR>< LF ><CR>< LF > Parameters:  ver: Module software version information;  4.13.2.2.44 AT+H Function: Help;  Jinan USR IOT Technology Limited Page 62 of 76 tec@usr.cn...

  • Page 63: At+ Httpurl

    AT+HTTPPH=<Path><CR> +ok<CR>< LF ><CR>< LF > Parameters:  Path: Max length is 50 bytes.  4.13.2.2.48 AT+ HTTPCN Function:Set/Query Connection of HTTP protocol header.  Format:  Query Operation:  Jinan USR IOT Technology Limited Page 63 of 76 tec@usr.cn...

  • Page 64: At+ Httpua

     Query Operation  AT+WSSSIDB<CR> +ok=<ap’s ssid><CR>< LF ><CR>< LF > Set Operation  AT+ WSSSIDB=<ap’s ssid ><CR> +ok<CR>< LF ><CR>< LF > Parameters:  ap’s ssid: AP’s SSID  Jinan USR IOT Technology Limited Page 64 of 76 tec@usr.cn...

  • Page 65: At+Wsssidc

    But user can set this command when module configured as AP. 4.13.2.2.54 AT+WSKEYB Function: Set/query the second AP‘s password of 3 sta parameters settings .  Format:  Jinan USR IOT Technology Limited Page 65 of 76 tec@usr.cn...

  • Page 66: At+Wskeyc

    TKIP: When ”auth= WPAPSK”, effective or “WPA2PSK”, effective  AES: When “auth= WPAPSK”, effective or “WPA2PSK”, effective  key: password, ASCII code, shall less than 64 bit and greater than 8bit  Jinan USR IOT Technology Limited Page 66 of 76 tec@usr.cn...

  • Page 67: At+ Wsqy

    Set Operation:  AT+HTPSV=<IP,Port><CR> +ok<CR>< LF ><CR>< LF > Parameters:  IP:HTTP server IP address.  Port:HTTP server Port number。  4.13.2.2.59 AT+ HTPTP Function:Set /Query HTTP request type.  Jinan USR IOT Technology Limited Page 67 of 76 tec@usr.cn...

  • Page 68: At+ Htpurl

    Function: Settings/query Registered Package Type.  Format:  Query Operation  AT+ REGEN<CR> +ok=<mode><CR>< LF ><CR>< LF > Set Operation  AT+ REGEN=<mode><CR> +ok<CR>< LF ><CR>< LF > Parameters:  Jinan USR IOT Technology Limited Page 68 of 76 tec@usr.cn...

  • Page 69: At+ Regtcp

     Note: the AT command of AT + REDEN, AT + REGTCP, AT + REGID is supported in V5.01.14 and above version. 5 USR-WIFI232-A2 Usage Introduction 5.1 Module Debug 5.1.1 Software Debug Tools In order to facilitate the use of my company, development of the serial and network debugging two-...

  • Page 70: Network Connection

    ( internal system boot ), Ready lights, said system startup complete, can operate, entering the next step. 5.1.3 Debug As shown above, opened in PC program, set the COM export and open the serial port connection Jinan USR IOT Technology Limited Page 70 of 76 tec@usr.cn...
  • Page 71 IP address, server port number 8899, this module default monitor TCP port number, click the link to establish TCP connection,Then click the create connection. “TCP UDPDbg” Tools Create Connection Figure 45 Jinan USR IOT Technology Limited Page 71 of 76 tec@usr.cn...

  • Page 72: Use Cases

    USR-WIFI232-A2 User Manual http://www.usriot.com Because of the USR-WIFI232-A2 module default support for transparent transmission mode, so now you can debug tools two-way data, all data will be wholly intact transmission to the other side of display. The testing process can be seen in module TXD and RXD indicator lights in the data through the flashing.

  • Page 73: Remote Management Application

    Also remote TCP server can send command to control and manage the user device through the wireless network. 5.2.3 Transparent Serial Port Application For this transparent serial port application, two USR-WIFI232-A2 modules connect as below figures to build up a transparent serial port connection. Transparent Serial Port Application...

  • Page 74: Wireless Data Acquisition Card Application

    USR-WIFI232-A2 User Manual http://www.usriot.com For left side USR-WIFI232-A2 module, configured as AP mode and use default SSID and IP address, network protocol configured as TCP/Server mode, and protocol port ID: 8899. For right side USR-WIFI232-A2 module, configured as STA mode and setting the same SSID （”USR- WIFI232-A/B_xxxx”...

  • Page 75: Appendix B: Disclaimer

    USR-WIFI232-A2 User Manual http://www.usriot.com As above figure, one USR-WIFI232-A2 configured as AP mode and all others configured as STA mode. All USR-WIFI232-A2 which configured as STA and data server PC wireless connected to USR- WIFI232-A2 which configured as AP to make up a wires network.
  • Page 76 Increase customer support center link, remove WAPI encryption. Ed.V5.0.9 Update on 29-06-2015 V5.01.19 Modify the BUG Ed.V5.0.9 Update on 03-08-2015 Amend the company address.Modify some describe errors END OF DOCUMENT Jinan USR IOT Technology Limited Page 76 of 76 tec@usr.cn...

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