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Roving Networks WiFly RN-171 User Manual

Evaluation kit
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WiFly Evaluation Kit
© 2012 Roving Networks. All rights reserved.
RN-WIFLY-EVAL-UM Version 1.32r 10/9/2012
 
 
RN-WIFLY-EVAL-UM
USER MANUAL

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Summary of Contents for Roving Networks WiFly RN-171

  • Page 1       RN-WIFLY-EVAL-UM WiFly Evaluation Kit © 2012 Roving Networks. All rights reserved. USER MANUAL RN-WIFLY-EVAL-UM Version 1.32r 10/9/2012  ...
  • Page 2   OVERVIEW This document describes the hardware and software setup for Roving Networks evaluation kits, which contain the hardware you need to evaluate the RN-171 or RN-131 WiFly 802.11 b/g modules. The RN-171 and RN-131 WiFly modules are mounted to evaluation boards. Each board contains status LEDs, connections for the programmer and UART interfaces, a voltage regulator, and easy access to GPIO pins.
  • Page 3 RN -W IFLY -E VAL-U M   Figure 1. RN-131-EK Evaluation Board Connector LED Indicators UART Interface (J3) AP/WPS/Factory Reset Pushbutton (GPIO9) Sensor Reset Interface (J1) Pushbutton UART Interface (J3) Sensors (J1) Description   3.3 VDC output Description UART RX Sensor Power UART TX Sensor 4 (3.3-V tolerant)
  • Page 4 RN -W IFLY -E VAL-U M   Figure 2. RN-171-EK Evaluation Board LED Indicators UART Interface PCB Trace (J4) Antenna AP/WPS/Factory Reset Pushbutton (GPIO9) Sensor Reset Interface (J5) Pushbutton   RX - input to evaluation board Sensor Interface (J5) UART Interface TX - output from evaluation board (J4)  ...

  • Page 5: Hardware Setup

    Windows should automatically install the drivers for the cable. If it does not, download and install the FTDI drivers from the Support page on the Roving Networks website at http://www.rovingnetworks.com/support.php. Note the COM port to which you have attached the cable.
  • Page 6 Basic configuration only requires the wireless network access point’s name (SSID) and authentication password. The WiFly module can only associate with one network at a time. Roving Networks recommends that you begin your evaluation by configuring the WiFly module using an open access point to simplify the setup.
  • Page 7 RN -W IFLY -E VAL-U M   Configure the Module Using a Terminal Emulator To communicate with the module using a terminal emulator, perform the following steps: Determine the COM port that was assigned to the USB cable. If you do not know the COM port number, you can find it using the Windows Device Manager, which is in the system tools.
  • Page 8 The WiFly module supports a variety of command keywords. The Advanced User Manual, which is available on the Support page of the Roving Networks website, provides a complete command reference. For evaluation purposes, you may view the current settings using the get command; get everything shows all parameters.
  • Page 9 RN -W IFLY -E VAL-U M   Table 4. Basic set & get Parameters Parameter Function adhoc Controls the ad hoc parameters. broadcast Controls the broadcast hello/heartbeat UDP message. comm Communication and data transfer, matching characters. DNS host and domain. FTP host address and login information.
  • Page 10 RN -W IFLY -E VAL-U M   To disconnect from a network, type leave <cr>. The red LED blinks quickly when the WiFly module is not associated with an access point. If you want the module to associate with a network automatically upon booting (i.e., persistent configuration), use the set wlan command with the SSID name.
  • Page 11 RN -W IFLY -E VAL-U M   Enable Ad Hoc Mode via Hardware To enable ad hoc mode using hardware, set GPIO9 high (3.3 V) at power up. For the RN-134 board, GPIO9 is on pin 1 on the jumper block (J2). For the RN-174 board, GPIO9 is on the J6 connector. Upon power up with GPIO9 high, the WiFly module creates an ad hoc network with the following settings: SSID: WiFly-GSX-XX, where XX is the final two bytes of the device’s MAC address...

  • Page 12: Next Steps

    RN -W IFLY -E VAL-U M   Associate with an Ad Hoc Network The WiFly module can associate with an ad hoc network created by another device. Type the commands: set wlan ssid my_adhoc_network save reboot To associate with an ad hoc network without saving the changes to the module’s flash memory, use the join command, e.g., join my_adhoc_network <cr>.
  • Page 13 RN -W IFLY -E VAL-U M   RESOURCES & RELATED DOCUMENTS For more information, refer to the following sources, which are available on the Support page on the Roving Networks website at http://www.rovingnetworks.com/support.php: • RN-171 Data Sheet • RN-131 Data Sheet •...

  • Page 14: Appendix A: Legacy Evaluation Kits

    RN -W IFLY -E VAL-U M   APPENDIX A: LEGACY EVALUATION KITS This appendix provides specifications for legacy Roving Networks evaluation kits. Table 6 provides an overview of the kits. Table 6. Evaluation Kit Hardware Hardware Description RN-131G-EVAL RN-134-K RN-174-K...
  • Page 15 RN -W IFLY -E VAL-U M   Figure 10. RN-134 Evaluation Board Jumper LED Indicators Block (J2) RS-232 Interface (J1) UART Interface (J3) Sensors (J4) Power (J5) RS-232 Interface (J1) UART Interface (J3) Sensors (J4)   Description   Sensor PWR Resistor network RX - input to evaluation board to Sensor 4...
  • Page 16 RN -W IFLY -E VAL-U M   Table 7. RN-134 Evaluation Board LED Indicators Condition Blue LED Red LED Yellow LED Green LED     -­‐   -­‐   On solid Power On Connected over TCP       -­‐   Fast blink Not associated Rx/Tx data transfer...
  • Page 17 RN -W IFLY -E VAL-U M   Figure 11. RN-174 Evaluation Board (Part 1 of 2) Power Select LED Indicators Jumper (J4) Power Pull Up/ (J7) Down (J2) Factory Reset/ Ad Hoc Mode (J6) PCB Trace Antenna ISP Connector (J5) GPIO Interface TTL Signals (J8) Sensor...
  • Page 18 RN -W IFLY -E VAL-U M   Figure 11. RN-174 Evaluation Board (Part 2 of 2)     ISP Connector (J5)   Description 3.3 VDD DMA UART TX UART RX   FORCE AWAKE RESET DMA UART RX UART TX 3.3 VDD GPIO9 GPIO4 GPIO5...
  • Page 19 Connect the USB-to-serial cable to a USB port on your computer. Windows should automatically install the drivers for the cable. If it does not, download and install the Prolific drivers from the Support page on the Roving Networks website at http://www.rovingnetworks.com/support.php. Note the COM port to which you have attached the cable.
  • Page 20 RN -W IFLY -E VAL-U M   Table 9 shows the evaluation kit contents and ordering information. Table 9. Legacy Evaluation Kit Contents Kit Photo Contents RN-131G-EVAL Kit RN-134: Evaluation board for RN-131 module • RN-USB-SERIAL: USB-to-serial cable with male DB-9 •...
  • Page 21 RN -W IFLY -E VAL-U M   NOTES:   www.rovingnetworks.com Version 1.32r 10/9/2012...
  • Page 22 RN -W IFLY -E VAL-U M   Copyright © 2012 Roving Networks. All rights reserved. Roving Networks is a registered trademark of Roving Networks. Apple Inc., iPhone, iPad, iTunes, Made for iPhone are registered trademarks of Apple Computer. Roving Networks reserves the right to make corrections, modifications, and other changes to its products, documentation and services at any time.

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