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MANNL ELEKTRONIK WIFI232-S User Manual

Low power wifi module
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Low Power WiFi Module User Manual V2.1
Overview of Characteristic
Support IEEE802.11b/g/n Wireless Standards
Based on Self-developed High Performance MCU
Ultra-Low-Power for Battery Applications with Excellent Power Save Scheme
Support UART/PWM/GPIO Data Communication Interface
Support Work As STA/AP/AP+STA Mode
Support Smart Link Function (APP program provide)
Support Network Configuration by Audio.(WIFI232-H)
Support Wireless Upgrade Function
Support WPS Function
Support Multi-TCP Link (5 Channel) Apllication
Support Internal/External(I-PEX/SMA) Antenna Option
Single +3.3V Power Supply
Smallest Size:
WIFI232-S
WIFI232-T
WIFI232-G2
WIFI232-H
FCC/CE Certificated
Männl Elektronik GmbH
Low Power WiFi Module User Manual
WIFI232-S/T/G2/H
22mm x 13.5mm x 2.3mm,
22mm x 13.5mm x 6mm,
23.1mm x 32.8mm x 2.7mm,
23.1mm x 32.8mm x 2.7mm,
1
Page
of 80
www.maennl-elektronik.de
SMT Footprint
1x10 2mm Connector
SMT Footprint
SMT Footprint
info@maennl.info

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  • Page 1 Low Power WiFi Module User Manual www.maennl-elektronik.de WIFI232-S/T/G2/H Low Power WiFi Module User Manual V2.1 Overview of Characteristic  Support IEEE802.11b/g/n Wireless Standards  Based on Self-developed High Performance MCU  Ultra-Low-Power for Battery Applications with Excellent Power Save Scheme ...

  • Page 2: Table Of Contents

    Recommended Reflow Profile .................... 13 2.6.2 Device Handling Instruction (Module IC SMT Preparation) ..........13 Hardware Introduction ..........................14 3.1 Pins Definition ..........................14 3.1.1. WIFI232-S Pins Definition ....................14 3.1.2. WIFI232-T Pins Definition ....................16 3.1.3. WIFI232-G2 Pins Definition....................17 3.1.4.
  • Page 3 Low Power WiFi Module User Manual www.maennl-elektronik.de 4.1.3 GPIO/PWM Mode ........................ 35 4.2 Wireless Networking ........................36 4.2.1 STA WI-FI Mode ........................36 4.2.2 AP WI-FI Mode ........................37 4.2.3 AP+STA WI-FI Mode ......................37 4.2.4 Encryption..........................38 4.3 Socket Communication ........................ 38 4.3.1 Socket A ..........................
  • Page 4 Low Power WiFi Module User Manual www.maennl-elektronik.de AT+UARTTE ........................ 54 AT+PING ........................55 AT+SEND ........................55 AT+RECV ........................55 AT+NETP ........................55 AT+MAXSK ........................56 AT+TCPLK ........................56 AT+TCPTO ........................56 AT+TCPDIS ........................57 AT+SOCKB ........................57 AT+TCPDISB ....................... 58 AT+TCPTOB ........................
  • Page 5 Low Power WiFi Module User Manual www.maennl-elektronik.de Appendix A: HW Reference Design ......................... 68 WIFI232-S Evaluation Kit Schematic....................68 WIFI232-T Evaluation Kit Schematic ....................69 WIFI232-G2 Evaluation Kit Schematic ....................70 WIFI232-H Evaluation Kit Schematic ....................71 Appendix B: GPIO/PWM CONTROL WITH NETWORK COMMANDS ............72 Appendix C: HTTP PROTOCOL TRANSFER ....................

  • Page 6: Quick Start

    TTL to RS232 adapter cable and then connect to the , we provide computer. in order to facilitate the test WIFI232-S/T/G2/H evaluation board for users to choose. 1.2 Network connection , except...

  • Page 7: Communication Test

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de Join the network choose to automatically obtain IP, WIFI module supports DHCP Server feature and is enabled by default. Now, nlink led of WIFI232-T is lighting. Evaluation Board 1.3 communication test Module’s default setting: ...

  • Page 8: Application Examples

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de 1.4 Application Examples 1.4.1 Wireless remote control applications Figure 3 Wireless remote control applications , WIFI232 In the wireless remote control applications module works in AP mode. WIFI232 module’s such as serial connect user’s devices Control client ( smartphones can controll the user equipment via...
  • Page 9 WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de connected to ( WIFI232-T), the IP address is DHCP by default, network protocol is set to TCP / Client mode protocol port 8899 Target IP address is set to the left of the module i.e.

  • Page 10: Product Overview

    2. Product Overview 2.1 General Description WIFI232-S/T/G2/H is a fully self-contained small form-factor, single stream, 802.11b/g/n Wi-Fi module, which provide a wireless interface to any equipment with a Serial interface for data transfer. WIFI232-S/T/G2/H integrate MAC, baseband processor, RF transceiver with power amplifier in hardware and all Wi-Fi protocol and configuration functionality and networking stack, in embedded firmware to make a fully self-contained 802.11b/g/n Wi-Fi solution for a...

  • Page 11: Device Paremeters

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de 2.3 Device Paremeters Table 1 WIFI232-S/T/G2 Module Technical Specifications Class Item Parameters Certification FCC/CE Wireless 802.11 b/g/n standard Frequency range 2.412GHz-2.484GHz 802.11b: +16 +/-2dBm (@11Mbps) Transmit Power 802.11g: +14 +/-2dBm (@54Mbps) Wireless 802.11n: +13 +/-2dBm (@HT20, MCS7) Parameters 802.11b: -93 dBm (@11Mbps ,CCK)

  • Page 12: Modules Feature Comparison

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de 2.4 Modules feature comparison Listed below are the basic functions of WIFI232 low-power series: Table 2 WIFI232-S/T/G2Modules feature comparison Feature WIFI232-S WIFI232-G2 WIFI232-H WIFI23 -G2a -G2b WIFI √ √ √ √ √ √ √...

  • Page 13: Package Information

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de 2.6 Package Information 2.6.1 Recommended Reflow Profile Figure 6 Reflow Soldering Profile Table 3 Reflow Soldering Parameter Item Temperature (Degree) Time(Sec) Reflow Time Time of above 220℃ 35~55 sec Peak-Temp 260℃ max Note: 1. Recommend to supply N2 for reflow oven. 2.

  • Page 14: Hardware Introduction

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de 3. Hardware Introduction 3.1 Pins Definition 3.1.1. WIFI232-S Pins Definition Figure 7 WIFI232-S View Figure 8 WIFI232-S Pins Map Table 4 WIFI232-S Pins Definition Describtion Net Name Signal Comments Type Interface（Reserved) SPI Data Out...
  • Page 15 WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de No connect if not use. Module Recovery Low effective reset input. Pull-up nReload if not use. Can be set to Smart Link Pin Wi-Fi Status nLink 0- Wi-Fi Link. 1- No WIFI Link. No connect if not use. WPS Function Pin.

  • Page 16: Wifi232-T Pins Definition

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de 3.1.2. WIFI232-T Pins Definition Figure 9 WIFI232-T view Figure 10 WIFI232-T pin map Table 5 WIFI232-T Pins Definition Describtion Net Name Signal Type Comments Ground Power +3.3V Power DVDD Power 3.3V@250mA Low effective reset input. Module nReload Pull-up if not use.

  • Page 17: Wifi232-G2 Pins Definition

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de Module reset pin, input GPIO, low effective. Module nReset need pull-up when module works. If MCU module needs to do a reset operation, pull low for at least 10ms and then pull up. nReload: Module recovery factory settings pin, input GPIO, low effective.
  • Page 18 WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de Figure 12 WIFI232-G2 Pin map Table 6 WIFI232-G2 pin Definition Describtion Net Name Signal Type Comments 1,17,32,48 Ground Power Debug SWCLK I, PD Debug functional pin, No connect if not use. Debug I/O,PU Sleep Sleep_RQ I,PU （Reserved）...
  • Page 19 WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de No connect No connect GPIO23, No connect if not use GPIO GPIO No connect Power soft “0” – Power Down Mode PWR_SW I,PU switch “1” – Normal mode (Function is reserved) No connect SPI Data In SPI_MISO SPI Clock SPI_CLK...

  • Page 20: Wifi232-H Pins Definition

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de nLink: Wi-Fi link status indicator pin, output GPIO,low effective. We strongly suggest customer connect out this pin to LED. At “Smart Link” config mode, this LED used to indicate APP to finish setting. At normal mode, it’s Wi-Fi link status indicator nReady: Module startup success indicator pin, output GPIO, low effective.
  • Page 21 WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de Figure 14 WIFI232-H Pin map Table 7 WIFI232-H pin Definition Describtion Net Name Signal Comments Type 1,17,32,48 Ground Power Debug SWCLK I, PD Debug functional pin, No connect if not use. Debug I/O,PU GPIO7, No connect if not use GPIO Sleep_RQ I,PU...
  • Page 22 WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de No connect GPIO20, No connect if not PWM/GPIO PWM_4 No connect No connect No connect No connect GPIO25, No connect if not USB1.1 D+ USB_DP GPIO26, No connect if not USB1.1 D- USB_DM GPIO27, No connect if not GPIO GPIO27 No connect...

  • Page 23: Electrical Characteristics

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de Module recovery factory settings pin, input GPIO, low effective. After module is powered up, short press this button (Low < 3s) to make the module go into “Smart Link” config mode, waiting for APP to set password and other information. After module is powered up, long press this button (Low >...

  • Page 24: Mechanical Size

    Sourcing 6mA voltage Output low Sinking 6mA voltage Input high voltage Input low voltage 3.3 Mechanical Size 3.3.1 WIFI232-S WIFI232-S modules physical size (Unit: mm) as follows: Figure 15 WIFI232-S Mechanical Size Page 24 of 80 Männl Elektronik GmbH info@maennl.info...

  • Page 25: Wifi232-T

    WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de Figure 16 WIFI232-S PCB Symbol Size 3.3.2 WIFI232-T WIFI232-T modules physical size (Unit: mm) as follows: Figure 17 WIFI232-T Mechanical Size 3.3.3 WIFI232-G2/H WIFI232-G2/H modules physical size (Unit: mm) as follows: Page 25 of 80 Männl Elektronik GmbH...
  • Page 26 WIFI232-G2 SPI Interface User Manual www.maennl-elektronik.de Figure 18 WIFI232-G2/H PCB Symbol Size WIFI232-G2/H modules PCB footprint size（Unit:mm）as follows: Figure 19 WIFI232-G2/H PCB Symbol Size Product Features: Support UART/SPI two communication interface, user can freely choose according to demand.  UART communication mode, please refer to "WIFI232 Low Power WiFi Module User Manual V2.1"...
  • Page 27 Low Power WiFi Module User Manual www.maennl-elektronik.de Function Description The WIFI232-G2 module supports SPI data communication mode, the module connect with SPI device via 5 pin, using interrupt trigger level to support different clock polarity and phase four transmission modes, up to 6MHz rate. Hardware connect In SPI communication mode, the module operates in master mode, the connection circuit as following.

  • Page 28: Antenna

    Note: While reading data, module don’t set CS pin low level. 3.4 Antenna 3.4.1 WIFI232-S WIFI232-S has two versions, respectively supports internal antenna and external SMA antenna. 1) Internal antenna version WIFI232-Sa When customer select internal antenna, you shall comply with following antenna design rules and module location suggestions: ...

  • Page 29: Wifi232-T

    Low Power WiFi Module User Manual www.maennl-elektronik.de  Antenna can’t be shieldedby any meal enclosure; All cover, include plastic,shall away from antenna at least 10mm We suggest WIFI232-G2 module better locate in following region at customer board, which to reduce the effect to antenna and wireless signal, and better consult technical people when you structure your module placement and PCB layout.

  • Page 30: Wifi232-G2/H

    Low Power WiFi Module User Manual www.maennl-elektronik.de Item Parameters Frequency range 2.4~2.5GHz Impedance 50 Ohm VSWR 2 (Max) Return Loss -10dB (Max) Connector Type I-PEX connector 3.4.3 WIFI232-G2/H respectively Internal WIFI232-G2/H has two versions, supports antenna and external I-PEX antenna. 1) Internal antenna version WIFI232-G2a/Ha When customer select internal antenna, you shall comply with following antenna design rules and module location suggestions:...

  • Page 31: Evaluation Kit

    3.5 Evaluation Kit We provide WIFI232-S/T/G2/H evaluation kit to promote user to comprehend the product and develop the detailed application. The evaluation kit shown as below, user can connect to module with the RS-232 UART, and Wireless port to configure the parameters, manage the module or do the some functional tests.

  • Page 32: Typical Application Hardware

    Low Power WiFi Module User Manual www.maennl-elektronik.de 3.6 Typical Application Hardware 3.6.1 UART Application Hardware Figure 24 WIFI232-S/T/G2/H UART Application Hardware 3.6.2 PWM/GPIO Application Hardware Figure 25 WIFI232-T/G2PWM/GPIO Application Hardware Page 32 of 80 Männl Elektronik GmbH info@maennl.info...

  • Page 33: Modules Function Description

    Low Power WiFi Module User Manual www.maennl-elektronik.de 4. Modules function description 4.1 Work Mode WIFI232-S/T/G2/H have three work modes: throughput mode, command mode, PWM/GPIO mode.The swiching method of work mode is in 5th Chapter.  Throughput mode In this mode, the module can transparent transmite data between the common serial device and network device.

  • Page 34: Uart Frame Scheme

    Low Power WiFi Module User Manual www.maennl-elektronik.de  Data Bit  Parity (Check) Bit  Stop Bit  Hardware Flow Control 2. UART Frame Scheme 1) UART Free-Frame If user select open this function, module will check the intervals between any two bytes when receiving UART data.

  • Page 35: Command Mode

    PWM and GPIO function pin for GPIO and PWM based , the following table control applications is the pin mapping table.WIFI232-H don’t have this function. Table 14 WIFI232-S GPIO/PWM pin map Configure PWM/GPIO Default Type Number d Function...

  • Page 36: Wireless Networking

     PWM n SET: Save PWMn Channel set, Response PWM OK or PWM NOK 4.2 Wireless Networking module can be configured as both wireless STA and AP base on WIFI232-S/T/G2/H network type. can provide a very flexible method for users and network topology.

  • Page 37: Ap Wi-Fi Mode

    Low Power WiFi Module User Manual www.maennl-elektronik.de Figure 27 WIFI232-S/T/G2/H STA WI-FI Mode 4.2.2 AP WI-FI Mode can quickly In AP WI-FI Mode, the phone / PAD / computer connect to the serial device to or control the device, transfer data...

  • Page 38: Encryption

     WPA2-PSK/AES 4.3 Socket Communication WIFI232-S/T/G2/H 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 39: Socket B

    Low Power WiFi Module User Manual www.maennl-elektronik.de When Socket A configured as TCP Server, it supports Multi-TCP link connection, and maximum 5 TCP clients permitted to connect to Socket A. Multi-TCP link connection will work as following structure: Upstream: All dates from different TCP connection or client will be transmitted to the serial port as a sequence.

  • Page 40: Peripheral Circuit

    Two methods of configuration parameters, please refer to Chapter 5 explains. 4.6 Firmware and web upgrade WIFI232-S/T/G2/H supports upgrade firmware and web over wireless. WIFI232- T/G2/H upgrade method can refer to Section 5.1.9 firmware upgrade page. Besides, you can login http://10.10.100.254/iweb.html to update firmware and web.
  • Page 41 Low Power WiFi Module User Manual www.maennl-elektronik.de Before any firmware upgrade, be sure to contact us, or else it may result in permanent damage to the module. Page 41 of 80 Männl Elektronik GmbH info@maennl.info...

  • Page 42: Module Parameter Configuration

    Low Power WiFi Module User Manual www.maennl-elektronik.de 5. Module Parameter configuration WIFI232 modules support two methods of Parameter configuration: web and AT command,the following will describe the detail of two methods. 5.1 Web 5.1.1 Web Brief Description When first use WIFI232 modules, user may need some configuration. User can connect to WIFI232 module’s wireless interface with following default setting information and configure the module through laptop.

  • Page 43: System Page

    Low Power WiFi Module User Manual www.maennl-elektronik.de The main menu include nine pages: “System”, “Work Mode”, “STA Setting”, “AP Setting”, “Other Setting”, “Account”, “Upgrade SW”, “Restart”, “Restore” 5.1.3 System Page At this page, user can check current device’s important information and status such as: device ID (MID), software version, wireless work mode and related Wi-Fi parameters.

  • Page 44: Sta Setting Page

    Low Power WiFi Module User Manual www.maennl-elektronik.de 5.1.5 STA Setting Page User can push “Scan” button to auto search Wi-Fi AP router nearby, and can connect with associate AP through some settings. Please note the encryption information input here must be fully same with Wi-Fi AP router’s configration, and then it can link with AP correctly.

  • Page 45: Other Setting Page

    Low Power WiFi Module User Manual www.maennl-elektronik.de Figure 37 AP Setting Page 5.1.7 Other Setting Page WIFI232-T/G2/H usually works at throughput mode. At this mode, the user device which connected with WIFI232-T/G2/H will connect and communicate with remote PC or server. At this page, user need setting serial port communication parameters and defines TCP related protocal parameters.

  • Page 46: Upgrade Software Page

    Low Power WiFi Module User Manual www.maennl-elektronik.de Figure 39 Account Page 5.1.9 Upgrade Software Page User can upgrade new software (firmware) version through Wi-Fi. Restart Page 5.1.10 Most of the settting and configuration can only effective after system restart. User shall restart after finish all setting.

  • Page 47: At Command

    AT commands. When WIFI232-S/T/G2/H power up, it will default works as throughput mode, then user can switch to command mode by serial port command. WIFI232-S/T/G2 UART default parameters setting as below figure: Figure 42 WIFI232-S/T/G2/H...

  • Page 48: Switch To Command Mode

    Low Power WiFi Module User Manual www.maennl-elektronik.de AT command debugging tools recommended SecureCRT App software tools or TCP232-test tool. Users can be obtained the tool from our Web site.The following demonstration uses SecureCRT tools. 5.2.1 Switch to Command Mode Two steps to finish switching from throughput mode to command mode: ...

  • Page 49: At Command Overview

    Low Power WiFi Module User Manual www.maennl-elektronik.de 5.2.2 AT command Overview 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. Figure 45 ”AT+H”command AT command is based on the instruction of ASCII command style, the description of syntax format as follow.

  • Page 50: At Command Introduction

    Low Power WiFi Module User Manual www.maennl-elektronik.de RSP: Response string;  “ok” : Success  “ERR: Failure [op]: = [para-n]: Parameters if query command or Error code when error happened; <CR>: ASCII 0x0d; <LF>: ASCII 0x0a;  Error Code Table 18 Error Code Describtion Error Code Description Invalid Command Format...

  • Page 51: At+E

    Low Power WiFi Module User Manual www.maennl-elektronik.de TCPTOB Set/Query Sock B TCP timeout TCPLKB Query if Sock B TCP link already build-up SNDB Send data to Sock B in Command Mode RCVB Receive data from Sock B in Command Mode WiFi STA Command WSSSID Set/Query associated AP SSID parameters...

  • Page 52: At+Entm

    Format: AT+MID<CR> +ok=<module_id><CR>< LF ><CR>< LF >  Parameters:  module_id: module ID information  WIFI232-S/T/G2 Notes: User can set this parameter through AT+WRMID. 6) AT+RELD  Function: module restore to factory default setting.  Format: Page 52 of 80 Männl Elektronik GmbH...

  • Page 53: At+Z

    Low Power WiFi Module User Manual www.maennl-elektronik.de AT+ RELD<CR> +ok=rebooting…<CR>< LF ><CR>< LF > When operate this command, module will restore to factory default setting and reboot. 7) AT+Z  Function: Re-start module;  Format: AT+ Z<CR> 8) AT+H  Function: Help;...

  • Page 54: At+Uartf

    Low Power WiFi Module User Manual www.maennl-elektronik.de  NFC: No hardware flow control  FC: hardware flow control(WIFI232-T don’t have hardware flow control). 11) AT+UARTF  Function: Open/Close UART auto-frame function;  Format:  Query Operation: AT+ UARTF<CR> +ok=<para><CR>< LF ><CR>< LF > ...

  • Page 55: At+Ping

    Low Power WiFi Module User Manual www.maennl-elektronik.de +ok<CR>< LF ><CR>< LF >  Parameters:  Mode:  fast: free-frame trigger time between two bytes is 200ms;  normal: free-frame trigger time between two bytes is 250ms; 15) AT+PING  Function: Network ”Ping” command; ...

  • Page 56: At+Maxsk

    Low Power WiFi Module User Manual www.maennl-elektronik.de  Parameters:  Protocol:    CS:  SERVER  CLIENT  Port: protocol port ID: Decimal digit and less than 65535.  IP: Server’s IP address when module set as client. If set as UDP SERVER, the module will save the IP address and port of the latest UDP packet received.

  • Page 57: At+Tcpdis

    Low Power WiFi Module User Manual www.maennl-elektronik.de AT+ TCPTO=<time ><CR> +ok<CR>< LF ><CR>< LF >  Parameters:  Time: TCP timeout time.  <= 600: 600s  >=0: 0 (0 means no timeout);  Default: 300s SOCKA begin to count time when TCP channel don’t receive any data, clear time counter when TCP channel receive any data.

  • Page 58: At+Tcpdisb

    Low Power WiFi Module User Manual www.maennl-elektronik.de If set as UDP SERVER, the module will save the IP address and port of the latest UDP packet received. The data will be sent to the saved IP address and port. If the module hasn’t saved any IP address and port when power up.

  • Page 59: At+Sndb

    Low Power WiFi Module User Manual www.maennl-elektronik.de  on: TCP connected  off: TCP disconnected 27) AT+SNDB  Function: Send Data to SOCKB at Command Mode.  Format: AT+SNDB=<data_lenth ><CR> +ok<CR>< LF ><CR>< LF >  Parameters:  data_lenth: Lenth of send data. Range: 0~1000 Byte; The UART port will feedback a ‘>’...

  • Page 60: At+Wann

    Low Power WiFi Module User Manual www.maennl-elektronik.de  SHARED  WPAPSK  WPA2PSK  Encry: Encryption algorithm  NONE: When “auth=OPEN”, effective  WEP-H: When “auth=OPEN” or “SHARED”, effective，HEX format  WEP-A: When “auth=OPEN” or “SHARED”, effective，ASCII format TKIP: When “auth= WPAPSK” “WPA2PSK”, effective ...

  • Page 61: At+Wslq

    Low Power WiFi Module User Manual www.maennl-elektronik.de  Query Operation: AT+ WSLK<CR> +ok=<ret><CR>< LF ><CR>< LF >  Parameters:  ret  Disconnected, if no WiFi connection  ”AP’ SSID（AP’s MAC” ）, if WiFi connection available; 34) AT+WSLQ  Function: Query STA WiFi signal strength; ...

  • Page 62: At+Wap

    Low Power WiFi Module User Manual www.maennl-elektronik.de  Parameters:  Ipaddress:AP’s IP address;  Mask: AP’s net mask; 38) AT+WAP  Function: Set/Query AP Wi-Fi parameters. Setting is valid after reset.  Format:  Query Operation: AT+WAP<CR> +ok=< wifi_mode,ssid,channel ><CR>< LF ><CR>< LF > ...

  • Page 63: At+Wadhcp

    Low Power WiFi Module User Manual www.maennl-elektronik.de Note: Module AP mode’s MAC address is related to STA mode’s MAC address. If user need changeto others, please contact with technical people. 41) AT+WADHCP  Function: Set/Query AP DHCP server status;  Format: ...

  • Page 64: At+Webu

    Low Power WiFi Module User Manual www.maennl-elektronik.de AT+PLANG =<language><CR> +ok<CR>< LF ><CR>< LF >  Parameters:  Language: webpage’s language  CN:Chinese Version (Default);  EN: English Version; 45) AT+WEBU  Function: Set/ Query webpage user name and password;  Format: ...

  • Page 65: At+Ntptm

    Low Power WiFi Module User Manual www.maennl-elektronik.de  Function: Enable/Disable time calibration function.  Format:  Query Operation: AT+ NTPEN<CR> +ok=<status><CR>< LF ><CR>< LF >  Set Operation: AT+ NTPEN=<status><CR> +ok<CR>< LF ><CR>< LF >  Parameters:  Status: status of time calibration ...

  • Page 66: At+Txpwr

    Low Power WiFi Module User Manual www.maennl-elektronik.de  Set Operation: AT+MDCH=<mode><CR>< LF ><CR>< LF >  Parameters:  mode: Wi-Fi Auto Switch Mode.  Off: Disable Wi-Fi auto switch.  On: Enable Wi-Fi auto switch. When the module(STA mode) fail to connect to router, it will switch to AP mode itself in one minute.

  • Page 67: At+Smtlk

    +ok=<status><CR>< LF><CR>< LF>  Set Operation: AT+LPTIO=<status><CR> +ok<CR>< LF><CR>< LF>  Parameters:  staus: Enable/Disable nReady、nLink function.  lpt200: nReady、nLlink、WPS function map to WIFI232-S Pin11、Pin13、Pin14;  on/lpt100: nReady、nLlink、WPS function map to WIFI232-T Pin9、Pin10、Pin8;  off/lpb100: nReady、nLlink、WPS function map to WIFI232-G2 Pin44、Pin43、Pin15;...

  • Page 68: Appendix A: Hw Reference Design

    Low Power WiFi Module User Manual www.maennl-elektronik.de Appendix A: HW Reference Design WIFI232-S Evaluation Kit Schematic The picture shows WIFI232-S evaluation kit schematic. WIFI232-S evaluation board design files, please visit our website download or contact our engineers. Page 68 of 80 Männl Elektronik GmbH...

  • Page 69: Wifi232-T Evaluation Kit Schematic

    Low Power WiFi Module User Manual www.maennl-elektronik.de WIFI232-T Evaluation Kit Schematic The picture shows WIFI232-T evaluation kit schematic. WIFI232-T evaluation board design files, please visit our website download or contact our engineers. Page 69 of 80 Männl Elektronik GmbH info@maennl.info...

  • Page 70: Wifi232-G2 Evaluation Kit Schematic

    Low Power WiFi Module User Manual www.maennl-elektronik.de WIFI232-G2 Evaluation Kit Schematic The picture shows WIFI232-G2 evaluation kit schematic. WIFI232-G2 evaluation board design files, please visit our website download or contact our engineers. Page 70 of 80 Männl Elektronik GmbH info@maennl.info...

  • Page 71: Wifi232-H Evaluation Kit Schematic

    Low Power WiFi Module User Manual www.maennl-elektronik.de WIFI232-H Evaluation Kit Schematic The picture shows WIFI232-H evaluation kit schematic. WIFI232-H evaluation board design files, please visit our website download or contact our engineers. Page 71 of 80 Männl Elektronik GmbH info@maennl.info...

  • Page 72: Appendix B: Gpio/Pwm Control With Network Commands

    Low Power WiFi Module User Manual www.maennl-elektronik.de Appendix B: GPIO/PWM CONTROL WITH NETWORK COMMANDS User can control module’s GPIO, PWM port by Send network command after make network connection to module with TCP or UDP protocol. If be saved,the status of GPIO won’t be changed after the module reset. The following take WIFI232- T for example.
  • Page 73 Low Power WiFi Module User Manual www.maennl-elektronik.de B.1.3 GPIO <channel> SET  Function: Save GPIO Channel setting  Parameters:  channel:GPIO Channel number,such as 11/12/18 for WIFI232-T（map to Pin10/Pin9/Pin8）  Return Data:  GPIO OK: Command successful  GPIO NOK: Command failed B.1.4 PWM <channel frequency duty>...
  • Page 74 Low Power WiFi Module User Manual www.maennl-elektronik.de B.1.5 PWM <channel> GET  Function: Query PWM Channel output  Parameters:  channel:PWM Channel number,such as 11/12/18 for WIFI232-T（map to Pin10/Pin9/Pin8）  Return Data:  +ok=<frequency duty>  Frequency: PWM Channel frequency ...
  • Page 75 Low Power WiFi Module User Manual www.maennl-elektronik.de B.1.6 PWM <channel> SET  Function: Save PWM Channel setting  Parameters:  channel:PWM Channel number,such as 11/12/18 for WIFI232-T（map to Pin10/Pin9/Pin8）  Return Data:  PWM OK: Command successful  PWM NOK: Command failed B.2 Hexadecimal Network Command Send hexadecimal data to fastly read/write module’s port status.
  • Page 76 Low Power WiFi Module User Manual www.maennl-elektronik.de  Channel: PWM Channel number  value1: High byte of PWM Channel frequency  value2: Low byte of PWM Channel frequency B.2.3 Read All PWM Channel Duty  Send Data:【20】  Return Data:【a0 <value1 value2 value3 value4>】 ...

  • Page 77: Appendix C: Http Protocol Transfer

    Low Power WiFi Module User Manual www.maennl-elektronik.de Appendix C: HTTP PROTOCOL TRANSFER Module support simple http data transfer in command mode. If user need to implement complex HTTP data transfer, please confirm our engineer. C.1 HTTP AT command C.1.1 AT+ HTTPURL ...
  • Page 78 Low Power WiFi Module User Manual www.maennl-elektronik.de  Query Operation: AT+HTTPCN<CR> +ok=<Connection><CR>< LF ><CR>< LF >  Set Operation: AT+HTTPCN=<Connection><CR> +ok<CR>< LF ><CR>< LF >  Parameters:  Connection: Max length is 20 bytes. C.1.5 AT+ HTTPUA  Function:Set/Query User-Agent of HTTP protocol header. ...
  • Page 79 Low Power WiFi Module User Manual www.maennl-elektronik.de If send AT+HTTPDT=abcd, the data packet will be sent as the following instance: POST /abcd HTTP/1.1 Connection:keep-alive User-Agent:lwip1.3.2 Content-Length:4 Host:192.168.0.127:8999 abcd The data received from HTTP server will be output to serial port and end with “+ok”.
  • Page 80 Low Power WiFi Module User Manual www.maennl-elektronik.de Page 80 of 80 Männl Elektronik GmbH info@maennl.info...

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