High-Flying HF-LPT220 User Manual
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High-Flying HF-LPT220 User Manual

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HF-LPT220 Low Power WiFi Module User Manual
Low Power WiFi Module User Manual
Overview of Characteristic
Support IEEE802.11b/g/n Wireless Standards
Based on Self-developed High Cost Effective SOC
Support UART/GPIO Data Communication Interface
Support Work As STA/AP Mode
Support Smart Link Function (APP program provide)
Support Wireless and Remote Firmware Upgrade Function
Support Internal/External Pin Antenna Option
Single +3.3V Power Supply
Smallest Size: 22mm x 13.5mm x 3.8mm , SMT17 Package
FCC/CE/SRRC/RoHS Certificated
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)
HF-LPT220
V 1.5
- 1 -

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Summary of Contents for High-Flying HF-LPT220

  • Page 1 HF-LPT220 Low Power WiFi Module User Manual HF-LPT220 Low Power WiFi Module User Manual V 1.5 Overview of Characteristic  Support IEEE802.11b/g/n Wireless Standards  Based on Self-developed High Cost Effective SOC  Support UART/GPIO Data Communication Interface  Support Work As STA/AP Mode ...

  • Page 2: Table Of Contents

    HF-LPT220 Low Power WiFi Module User Manual TABLE OF CONTENTS LIST OF FIGURES ........................... 5 LIST OF TABLES ............................ 6 HISTORY ..............................7 PRODUCT OVERVIEW ........................ 8 1.1. General Description ......................... 8 1.1.1 Device Features ........................8 1.1.2 Device Paremeters ......................9 1.1.3...
  • Page 3 HF-LPT220 Low Power WiFi Module User Manual 3.1.11. Internal Webpage ......................27 3.2. Usage Introduction ........................28 3.2.1. Software Debug Tools ......................28 3.2.2. Network Connection ......................28 3.2.3. Default Parameter Setting ....................28 3.2.4. Module Debug........................29 3.3. Typical Application Examples ....................30 3.3.1. Wireless Control Application .....................30 3.3.2.
  • Page 4 HF-LPT220 Low Power WiFi Module User Manual 4.2.2.29. AT+LANN ........................44 4.2.2.30. AT+WAP ........................45 4.2.2.31. AT+WAKEY .......................45 4.2.2.32. AT+WADHCP ......................45 4.2.2.33. AT+WALK ........................46 4.2.2.34. AT+WALKIND ......................46 4.2.2.35. AT+WAPMXSTA .......................46 4.2.2.36. AT+OTA ........................47 4.2.2.37. AT+UPURL ........................47 4.2.2.38. AT+DISPS .........................47 4.2.2.39. AT+PLANG ........................48 4.2.2.40.

  • Page 5: List Of Figures

    HF-LPT220 Low Power WiFi Module User Manual LIST OF FIGURES Figure 1. HF-LPT220 Pins Map ......................10 Figure 2. HF-LPT220 Mechanical Dimension..................12 Figure 3. HF-LPT220 PCB Symbol Size .....................13 Figure 4. Suggested Module Placement Region .................13 Figure 5. LPT120/LPT220 EVK ......................14 Figure 6.

  • Page 6: List Of Tables

    HF-LPT220 Low Power WiFi Module User Manual LIST OF TABLES Table1. HF-LPT220 Module Technical Specifications ................ 9 Table2. HF-LPT220 Pins Definition ....................10 Table3. Absolute Maximum Ratings: ....................12 Table4. Power Supply & Power Consumption: .................12 Table5. HF-LPT220 External Antenna Parameters ................14 Table6.

  • Page 7: History

    HF-LPT220 Low Power WiFi Module User Manual HISTORY Ed. V1.0 01-05-2016 First Version. Ed. V1.1 01-29-2015 Update AT command supported by 2.0.03 version firmware. Add support for AT+E、AT+SOCKB、AT+TCPDISB、AT+TCPTOB、AT+TCPLKB、AT+WALK、AT+WALKIND command. Correct the AT+NETP command description. Ed. V1.2 03-14-2015 Update AT command supported by 2.0.04 version firmware. Add support for AT+MAXSK、AT+WAPMXSTA command.

  • Page 8: Product Overview

    1. PRODUCT OVERVIEW 1.1. General Description The HF-LPT220 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.HF- LPT220 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 variety of applications.

  • Page 9: Device Paremeters

    HF-LPT220 Low Power WiFi Module User Manual 1.1.2 Device Paremeters Table1. HF-LPT220 Module Technical Specifications Class Item Parameters Certification FCC/CE/SRRC/RoHS Wireless standard 802.11 b/g/n 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: -87 dBm (@11Mbps ,CCK)

  • Page 10: Hardware Introduction

    HF-LPT220 Low Power WiFi Module User Manual 1.2. Hardware Introduction 1.2.1. Pins Definition Figure 1. HF-LPT220 Pins Map Table2. HF-LPT220 Pins Definition Describtion Net Name Signal Type Comments No connect No connect No connect PWM/GPIO GPIO_8 I/O,PU GPIO_8 UART0 UART0_TX...
  • Page 11 After module is powered up, long press this button ( “Low” > 4s ) and loose to make the module recover to factory setting. High-Flying strongly suggest customer fan out this pin to connector or button for “Manufacture” and “ Smart Link” application.

  • Page 12: Electrical Characteristics

    Supply current, STA Continuous data transfer Supply current, 1.2.3. Mechanical Size HF-LPT220 modules physical size （Unit: mm） as follows: Figure 2. HF-LPT220 Mechanical Dimension HF-LPT220 Module PCB symbol size (mm) as follows: - 12 - Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)

  • Page 13: On-Board Chip Antenna

    Figure 4. Suggested Module Placement Region High-Flying suggest HF-LPT220 module better locate in following region at customer board, which to reduce the effect to antenna and wireless signal, and better consult High-Flying technical people when you structure your module placement and PCB layout.

  • Page 14: Evaluation Kit

    High-Flying 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 HF-LPT220 module with the RS- 232 UART, USB (Internal USB to UART convetor) or Wireless interface to configure the parameters, manage the module or do the some functional tests.

  • Page 15: Order Information

    Restore factory default configuration after push this nReload pin more than 4s. See 1.2.1 1.2.7. Order Information Base on customer detailed requirement, HF-LPT220 series modules provide different variants and physical type for detailed application. Figure 6. HF-LPT220 Order InformationTypical Application - 15 -...

  • Page 16: Hardware Typical Application

    HF-LPT220 Low Power WiFi Module User Manual 1.2.8. Hardware Typical Application Figure 7. HF-LPT220 Hardware Typical Application Notes: nReset- Module hardware reset signal. Input. Logics “0” effective. There is pull-up resister internal and no external pull-up required. When module power up or some issue happened, MCU need assert nRST signal “0”...
  • Page 17 HF-LPT220 Low Power WiFi Module User Manual UART0_TXD/RXD- UART port data transmit and receive signal. - 17 - Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)

  • Page 18: Functional Description

    HF-LPT220 module can be configured as both wireless STA and AP base on network type. Logically there are two interfaces in HF-LPT220. One is for STA, and another is for AP. When HF-LPT220 works as AP, other STA equipments are able to connect to HF-LPT220 module directly. Wireless Networking with HF-LPT220 is very flexible.

  • Page 19: Work Mode : Transparent Transmission Mode

    HF-LPT220 Low Power WiFi Module User Manual 2.2. Work Mode : Transparent Transmission Mode HF-LPT220 module 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.

  • Page 20: Firmware Update

    2.7. Multi-TCP Link Connection (Reserved) When HF-LPT220 module SOCK A configured as TCP Server, it supports Multi-TCP link connection, and maximum 5 TCP clients permitted to connect to HF-LPT220 module. User can realize multi-TCP link connection at each work mode.

  • Page 21: Figure 11. Multi-Tcp Link Data Transmition Structure

    HF-LPT220 Low Power WiFi Module User Manual 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. Downstream: All data from serial port (user) will be replicate and broadcast to every TCP connection or client.

  • Page 22: Operation Guideline

    HF-LPT220 Low Power WiFi Module User Manual 3. OPERATION GUIDELINE 3.1. Configuration When first use HF-LPT220 modules, user may need some configuration. User can connect to HF- LPT220 module’s wireless interface with following default setting information and configure the module through laptop.

  • Page 23: System Page

    (MID), software version, wireless work mode and related Wi-Fi parameters. Figure 13. System Web Page 3.1.3. Work Mode Page HF-LPT220 module can works at AP mode to simplify user’s configuration, can also works at STA to connect remote server through AP router. Figure 14. Work Mode Page - 23 - Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)

  • Page 24: Sta Setting Page

    HF-LPT220 Low Power WiFi Module User Manual 3.1.4. 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 25: Ap Setting Page

    Figure 17. AP Setting Page 3.1.6. Other Setting Page HF-LPT220 usually works at data transparent transmission mode. At this mode, the user device which connected with HF-LPT220 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 26: Account Management Page

    HF-LPT220 Low Power WiFi Module User Manual 3.1.7. Account Management Page This page set web server’s user name and password. Figure 19. Account Page 3.1.8. Upgrade Software Page User can upgrade new software (firmware) version through Wi-Fi. After upgrade success, need reboot it manually before new firmware valid.

  • Page 27: Restore Page

    HF-LPT220 Low Power WiFi Module User Manual Figure 21. Restart Page 3.1.10. Restore Page After module restore factory default setting, all user configuration profile will lose. to set again, and user name and password is “admin”. HF- User can access http://10.10.100.254...

  • Page 28: Usage Introduction

     Ethernet Debugging Software: TCPUDPDbg 3.2.2. Network Connection User can select two methods to connect HF-LPT220 module base on dedicated application.  Use HF-LPT220 STA interface. HF-LPT220 and debug PC2 connect to a wireless AP, another PC1 (or user device) connect to HF-LPT220 module with serial port: Figure 24.

  • Page 29: Module Debug

    Figure 26. “CommTools” Serial Debug Tools PC2 open “TCPUDPDbg” program, and create a new connection. If HF-LPT220 configured as Server mode, “TCPUDPDbg” Tools shall create “Client “mode connection. Or otherwise, create a “Server” mode connection.

  • Page 30: Typical Application Examples

    3.3.1. Wireless Control Application Figure 30. Wireless Control Application For this wireless control application, HF-LPT220 works as AP mode. Module’s serial port connects to user device. So, control agent (Smart phone for this example) can manage and control the user device through the wireless connection with HF-LPT220 module.

  • Page 31: Transparent Serial Port Application

    3.3.3. Transparent Serial Port Application For this transparent serial port application, two HF-LPT220 modules connect as below figures to build up a transparent serial port connection. One HF-LPT220 works as AP mode, another HF-LPT220 works as STA mode. Make the STA device connects to AP.

  • Page 32: At+Instruction Introduction

    HF-LPT220 Low Power WiFi Module User Manual 4. AT+INSTRUCTION INTRODUCTION 4.1. Configuration Mode When HF-LPT220 power up, it will default works as transparent transmission mode, then user can switch to configuration mode by serial port command. HF-LPT220 UART default parameters setting as below figure, Figure 33.

  • Page 33: At+Instruction Set Overview

    HF-LPT220 Low Power WiFi Module User Manual 2. Any other input or wrong step to UART port will cause the module still works as original mode (transparent transmission). 3. “+++” and “a” should be input in a certain period of time to make the module switch to configuration mode.

  • Page 34: At+Instruction Set

    HF-LPT220 Low Power WiFi Module User Manual AT+<CMD>[op][para-1,para-2,para-3,para-4…]<CR>  AT+: Prefix of command message;  CMD: Command string;  [op]: Symbol of command operator,  “=” : The command requires parameters input;  “NULL”: Query the current command parameters setting;...
  • Page 35 HF-LPT220 Low Power WiFi Module User Manual Instruction Description Query module software version information BVER Query module bootloader version RELD Restore to factory default setting FCLR Erase factory setting Re-start module Help Configure Parameters Instruction Set CFGTF Copy User Parameters to Factory Default Parameters...

  • Page 36: At+E

     off: Close echo When HF-LPT220 module firstly switch from transparent transmission to configuration mode, show back status is open, input “AT+E” to close show back function, input“AT+E” again to open show back function, use AT+E=on/off command to save the echo status..

  • Page 37: At+Ver

    HF-LPT220 Low Power WiFi Module User Manual  HF-LPT220; Notes: User can set this parameter through AT+WRMID. 4.2.2.5. AT+VER  Function: Query module software version information;  Format:  Query Operation AT+VER<CR> +ok=<ver><CR><LF><CR><LF>  Parameters:  ver: Module software version information;...

  • Page 38: At+Cfgtf

    HF-LPT220 Low Power WiFi Module User Manual  Format:  Query Operation AT+H<CR> +ok=<command help><CR><LF><CR><LF>  Parameters:  command help: command introduction; 4.2.2.11. AT+CFGTF  Function: Copy User Parameters to Factory Default Parameters;  Format:  Query Operation AT+CFGTF<CR> +ok=<status><CR><LF><CR><LF>...

  • Page 39: At+Netp

    HF-LPT220 Low Power WiFi Module User Manual 4.2.2.13. AT+NETP  Function: Set/Query network protocol parameters, Setting is valid after reset.  Format:  Query Operation AT+NETP<CR> +ok=<protocol,CS,port,IP><CR><LF><CR><LF>  Set Operation AT+NETP=<protocol,CS,port,IP><CR> +ok<CR><LF><CR><LF>  Parameters:  protocol:    CS: Network mode: ...

  • Page 40: At+Tcpto

    HF-LPT220 Low Power WiFi Module User Manual  sta.: if module already setup TCP link;  on: TCP link setup;  off: TCP link not setup; 4.2.2.16. AT+TCPTO  Function: Set/Query TCP timeout; Setting is valid after reset.  Format: ...

  • Page 41: At+Tcpdisb

    HF-LPT220 Low Power WiFi Module User Manual  Query Operation AT+SOCKB<CR> +ok=<protocol,port,IP><CR><LF><CR><LF>  Set Operation AT+SOCKB=<protocol,port,IP><CR> +ok<CR><LF><CR><LF>  Parameters:  Protocol: Protocol type:  TCP: Only for TCP Client  UDP: UDP Client  UDPS: UDP Server  Port: Protocol Port in decimal, less than 65535 ...

  • Page 42: At+Tcplkb

    HF-LPT220 Low Power WiFi Module User Manual  Time: TCP timeout  <= 600:600s  >=0:0 means no timeout  Default:300s If the SOCKB TCP don't receive any data from TCP server for TCP tmeout setting, the module will break and reconnect the TCP server. If it receive data from server, the timeout counter will be clear.

  • Page 43: At+Wann

    HF-LPT220 Low Power WiFi Module User Manual  WPA2PSK  encry:Encryption algorithm  NONE: When “auth=OPEN”, effective  WEP-H: When “auth=OPEN” or “SHARED”, effective, in HEX format  WEP-A: When “auth=OPEN” or “SHARED”, effective, in ASCII format  TKIP: When ”auth= WPAPSK” or “WPA2PSK”, effective ...

  • Page 44: At+Wslk

    HF-LPT220 Low Power WiFi Module User Manual 4.2.2.26. AT+WSLK  Function: Query STA WiFi link status  Format:  Query Operation AT+WSLK<CR> +ok=<ret><CR><LF><CR><LF>  Parameters:   ”Disconnected”, if no WiFi connection; ”AP’ SSID（AP’s MAC” ）, if WiFi connection available;...

  • Page 45: At+Wap

    HF-LPT220 Low Power WiFi Module User Manual 4.2.2.30. 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>  Set Operation AT+WAP =<wifi_mode,ssid,channel><CR> +ok<CR><LF><CR><LF>  Parameters:  wifi_mode: Wi-Fi mode, include: ...

  • Page 46: At+Walk

    HF-LPT220 Low Power WiFi Module User Manual AT+WADHCP=<status>[,ip1,ip2]<CR> +ok<CR><LF><CR><LF>  Parameters:  status:AP’s DHCP server function status:  on:DHCP Server Open;  off:DHCP Server Close:  ip1: DHCP allocate IP start value.  ip2: DHCP allocate IP end value. 4.2.2.33. AT+WALK ...

  • Page 47: At+Ota

    HF-LPT220 Low Power WiFi Module User Manual  num: max STA number supported for AP.  1~4: Support max 1~4 STA devices connects to module AP. 0 is default value for max 1 STA device supported. 4.2.2.36. AT+OTA  Function：Set OTA Upgrade ...

  • Page 48: At+Plang

    HF-LPT220 Low Power WiFi Module User Manual  Auto: Auto power save mode(default), enter power saving mode after receive or send data in time seconds.  time: Only valid in auto mode, >=2 integer value, default is 3 seconds. when value is 0, the default waiting time is still 3 seconds.

  • Page 49: At+Smtlk

    HF-LPT220 Low Power WiFi Module User Manual +ok=<aswd> <CR><LF><CR><LF>  Set Operation AT+ASWD=<aswd> <CR><LF><CR><LF>  Parameters:  aswd: WiFi Configuration Password (within 20 characters). 4.2.2.43. AT+SMTLK  Function: Start SmartLink function  Format:  Query Operation AT+SMTLK<CR> SmartLink is a One-Key config function. Config the module connecting to router easily. After start SmartLink function , the module work in SmartLink status and nLink LED is fast flashing waiting for APP to push information.
  • Page 50 HF-LPT220 Low Power WiFi Module User Manual  uart_level: UART debug information output channel  0: UART0  1: UART1 - 50 - Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)

  • Page 51: Package Information

    HF-LPT220 Low Power WiFi Module User Manual 5. PACKAGE INFORMATION 5.1. Recommended Reflow Profile Figure 36. Reflow Soldering Profile Table10. 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.

  • Page 52: Shipping Information

    HF-LPT220 Low Power WiFi Module User Manual 5.3. Shipping Information TAPE Size: 340*340*70 mm Size: 340*340*350 mm (inside) Figure 37. Shipping Information Note: 1 tape = 900pcs 1 box = 5 tapes = 5 * 900 pcs = 4500pcs - 52 -...

  • Page 53: Appendix A: Hw Reference Design

    HF-LPT220 Low Power WiFi Module User Manual APPENDIX A: HW REFERENCE DESIGN Detailed HF-LPT220 Evluation Board design source files, pls access High-Flying web download page or contact with High-Flying technical support people to acquire. - 53 - Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)

  • Page 54: Appendix B: Http Protocol Transfer

    HF-LPT220 Low Power WiFi Module User Manual APPENDIX B: HTTP PROTOCOL TRANSFER HF-LPT220 module support http data transfer in throughput mode. If any detailed HTTP protocol, contact us and we may support customization. B.1. Sending HTTP Raw Data in Throughput Mode Step 1、...

  • Page 55: Appendix C:references

    HF-LPT220 Low Power WiFi Module User Manual APPENDIX C:REFERENCES C.1．High-Flying Mass Production Tool Download Address：http://www.hi-flying.com/download_detail_dc/downloadsId=9.html C.2．SmartLink APP V7 Config Tool IOS Platform : http://www.hi-flying.com/download_detail_dc/downloadsId=42.html Android Platform: http://www.hi-flying.com/download_detail_dc/downloadsId=83.html C.3．EVK Quick Start Guide Download Address：http://www.hi- flying.com/downloadsfront.do?method=picker&flag=all&id=a974580c-9a9b-4329-a554- 6bd54aa8500d&fileId=99 C.4．Module Upgrade Download Address：http://www.hi-flying.com/download_detail_fir/downloadsId=75.html C.5．Other Tools Download Address：http://www.hi-...

  • Page 56: Appendix D: Contact Information

    <END OF DOCUMENT> © Copyright High-Flying, May, 2011 The information disclosed herein is proprietary to High-Flying and is not to be used by or disclosed to unauthorized persons without the written consent of High-Flying. The recipient of this document shall respect the security status of the information.

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