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Roving Networks RN-171, User Manual And Command Reference

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Roving Networks RN-171 User Manual And Command Reference Download Page 3

WiFly GSX

 

www.rovingnetworks.com

 

 

 

 

 

WiFlyRN171-um      2/23/2011

 

809 University Avenue 

•

 Los Gatos, CA 95032  

•

Tel (408) 395-6539 

•[email protected]

 

~

 

3

 

~

 

12.1.  Associate with a network access point............................................................................................41 
12.2. Making 

Connections .......................................................................................................................42 

12.3.  Setting up Automatic Connections .................................................................................................42 
12.4.  Controlling Connections using PIO5 and PIO6..............................................................................43 
12.5. Using 

DNS 

settings.........................................................................................................................43 

12.6.  Utilizing the Backup IP address/connect function..........................................................................44 

13. 

Using HTML client feature

........................................................................................................................ 45

 

13.1.  Built-in HTML Client Modes .........................................................................................................45 
13.2.  Automatically periodicallyconnect to web server...........................................................................46 
13.3.  Automatically connect to web server on uart data..........................................................................46 
13.4. Posting 

binary 

data:.........................................................................................................................47 

13.5.  Auto posting sensor data:................................................................................................................48 
13.6.  Examples using the HTML client ...................................................................................................48 

14. 

Firmware Upgrade over FTP

..................................................................................................................... 51

 

14.1.  FTP Upload and Upgrade ...............................................................................................................51 

15. Adhoc 

Networking 

Mode

........................................................................................................................... 53

 

15.1.  Infrastructure and adhoc comparison..............................................................................................53 
15.2.  Configuring adhoc mode.................................................................................................................53 

16. 

Analog Sensor Capability

.......................................................................................................................... 56

 

16.1.  Automatic sampling of sensor pins:................................................................................................57 
16.2.  Using the Built In Sensor Power.....................................................................................................57 

17. Default 

Configuration 

Settings

.................................................................................................................. 59

 

17.1.  Restoring Default configuration settings: .......................................................................................60 

18. Boot-up 

Timing 

Values

............................................................................................................................... 61

 

19. Supported 

Access 

Points

............................................................................................................................ 62

 

20. Release 

Notes

.............................................................................................................................................. 63

 

20.1. Known 

problems.............................................................................................................................63 

20.2.  Current Firmware features and fixes...............................................................................................63 

 

 
 

 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for RN-171

Page 1: ... Command Reference Version 1 0 0 January 16th 2011 Copyright 2011 Roving Networks Inc All Rights Reserved The contents of this document can be changed by Roving networks without prior notice and do not constitute any binding undertakings from Roving networks Roving Networks is not responsible under any circumstances for direct indirect unexpected or consequent damage that is caused by this documen...

Page 2: ...7 Optional Parameters 16 5 8 SystemParameters 16 5 9 Time Server Parameters 17 5 10 UART Parameters 18 5 11 WLAN Parameters 19 5 12 Sensor Parameters 22 6 Get Commands 23 7 Status Commands 24 8 Action Commands 25 9 File IO Commands 26 10 Advanced features and Settings 27 10 1 System Timers and Auto Connect Timers 28 10 2 Wake on Sensor Input 31 10 3 Wake on UART 31 10 5 Setting GPIO direction Alte...

Page 3: ...connect to web server 46 13 3 Automatically connect to web server on uart data 46 13 4 Posting binary data 47 13 5 Auto posting sensor data 48 13 6 Examples using the HTML client 48 14 Firmware Upgrade over FTP 51 14 1 FTP Upload and Upgrade 51 15 Adhoc Networking Mode 53 15 1 Infrastructure and adhoc comparison 53 15 2 Configuring adhoc mode 53 16 Analog Sensor Capability 56 16 1 Automatic sampli...

Page 4: ...r external antenna 8 Mbit flash memory and 128 KB RAM UART and SPI future data control interfaces 10 general purpose digital I O 8 analog inputs Real time clock for wakeup and time stamping data logging Accepts 3 3V regulated or 2 3V battery with on board boost regulators Supports Adhoc and Infrastructure mode connections On board ECOS OS TCP IP stacks Wi Fi Alliance certified for WPA2 PSK FCC CE ...

Page 5: ...iFlyRN171 um 2 23 2011 809 University Avenue Los Gatos CA 95032 Tel 408 395 6539 info RovingNetworks com 5 Built in networking applications DHCP client UDP DNS client ARP ICMP ping FTP TELNET HTTP 802 11 power save and roaming functions ...

Page 6: ...hich will shut down the chip when the voltage drops below 2 0 VDC WARNING Do NOT exceed the voltage ratings damage to the module will result 1 The Sensor inputs SENS0 7 are extremely sensitive to over voltage Under no conditions should these pins be driven above 1 2VDC Placing any voltage above this will permanently damage the radio module and render it useless 2 Placing 5VDC or any voltage above ...

Page 7: ...rs such as the SSID channel IP address Serial Port settings and all other settings can be viewed and configured in command mode ASCII characters can be sent through a terminal emulator connected to the UART or via Telnet When using the UART communications settings should match the settings used when RN 131g connects for example the default is 9600 baudrate 8 bits No Parity 1 stop bit and hardware ...

Page 8: ...adhoc factory reset jumper If this is high on power up the module will not associate to any network it will use the temporary adhoc mode When in adhoc mode you can configure the network settings Remote configuration using ADHOC mode Using adhoc mode to configure the device eliminates the need for the module to be associated with a network access point In adhoc mode the module creates it own on dem...

Page 9: ...E If your machine has both wireless and wired interface hardware you will need to disable the wired LAN interface hardware before connecting to the adhoc network If the wired LAN is enabled thecomputermayassignan IP addressthatisnotonthesamesubnet as the WiFly module Once connected and you have a good IP address telnet into the WiFly module on port 2000 telnet 169 254 1 1 2000 You should see the r...

Page 10: ...the first character For example setuartbaudrate 115200 is valid setuart b 115200 is also valid set u b 115200 is also valid however s uartbaudrate 115200 isNOT valid Numbers can be entered as either decimal like 115200 above or HEX To enter HEX use 0x value For example the HEX value FF would be entered as 0xFF 4 2 Command Organization Commands fall into 5 general categories SET COMMANDS Take effec...

Page 11: ...nd to store the configuration data otherwise it will not take effect upon reboot or reset Multiple configurations can be stored by using the save filename command and these configurations can be loaded using the load filename command 5 SET Commands These commands begin with set There are 6 major categories Adhoc controls the adhoc parameters Broadcast controls the broadcast hello heartbeat UDP mes...

Page 12: ...ent reboot will ignore and look for char char char setcomm close string sets the ASCI string that is sent to the local UART when the TCP port is closed If no string is desired use 0 as the string parameter Max string length is 32 characters Default is CLOS setcomm open string sets the string that is sent to the local UART when the TCP port is opened If no string is desired use 0 as the string para...

Page 13: ...um milliseconds Num is one milliseconds interval 1 is the minimum value Default is 10 10 milliseconds Setting this value to 0 will disable forwarding based on the flush timer Flush timer is one of three ways to control TCP IP packet forwarding The others are match character and size For more information see section 10 1 on System Timers and Auto Connect Timers 5 4 DNS Parameters setdns address add...

Page 14: ...che mode can reduce the time it takes the module to wake from deep sleep thus saving power In cache mode the lease time is checked and if not expired the module uses the previous IP settings If the lease has expired the module will attempt to associated and use DHCP to get the IP settings DHCP cached IP address does not survive a power cycle or reset Mode Protocol 0 DHCP OFF use stored static IP a...

Page 15: ...o the access point is lost and TCP is connected the connection will be closed set ip gateway addr sets the gateway IP address If DHCP is turned on the gateway IP address is assign and overwritten during association with the access point setip host addr sets the remote host IP address This command is used for making connections from the WiFly module to a TCP IP server at the IP address addr setiplo...

Page 16: ...formation is sent as part of the broadcast hello packet that is sent as a UDP The current value can be shown with the get option or show deviceid commands Max string size is 32 bytes The default is WiFly GSX set opt password string TCP connection password Provides minimal authentication by requiring any remote device that connects to send and match a challenge string When set all newly opened conn...

Page 17: ...ection 10 5 set sys mask mask sets the IO port direction mask Bit mapped value For more information see section 10 5 set sys printlvl value sets numerous print functions 0 quiet 1 connect information Default is1 Please refer section 10 6 on Setting Debug Print levels set sys output value mask sets output PIO pins to HIGH or LOW Bit mapped value Optional mask only sets a subset of pins set sys slee...

Page 18: ...s command will exit command mode setuart raw rate sets a RAW UART value Used to set non standard rates The lowest possible baud rate is 2400 Example set u r 7200 sets the baud rate to 7200 baud setuart flow 0 1 sets the flow control mode Default 0 off 1 hardware RTS CTS NOTE once flow control is enabled it is important to properly Drive the CTS pin active LOW enabled If CTS is HIGH data will NOT b...

Page 19: ...ion mode The current release of Wifly firmware supports these security modes WEP 128 open mode only NOT shared mode WPA2 PSK AES only WPA1 PSK TKIP only WPA PSK mixed mode some APs not all are supported Value Authentication Mode 0 Open Default 1 WEP 128 2 WPA1 3 Mixed WPA1 WPA2 PSK 4 WPA2 PSK 5 Not Used 6 Adhoc Join any Adhoc network setwlan channel value sets the wlan channel 1 13 is the valid ra...

Page 20: ... instead of the hardware jumper to creat a custom Adhoc network setwlan hide 0 1 Hides the WEP key and WPA passphrase When set displaying the wlan settings shows for these fields To unhide the passphrase or passkey re enter the key or passphrase using the set wlan key or set wlan passphrase command Default 0 don t hide setwlan key value sets the 128 bit WEP key If you are using WPA or WPA2 you sho...

Page 21: ...e Example set w n 2 sets the default key to 2 setwlan phrase string sets the passphrase for WPA and WPA2 security modes 1 64 chars The passphrase can be alpha and numeric and is used along with the SSID to generate a unique 32 byte Pre shared key PSK which is then hashed into a 256 bit number Changing either the SSID or this value re calculates and stores the PSK If exactly 64 chars are entered it...

Page 22: ...Default is 1460 bytes 5 12 Sensor Parameters set q sensor mask Bitmask value that determines which sensor pins to sample when sending data using the UDP broadcast packet or the HTTP auto sample function NOTE The sensor pins variable has been changed from set option sensor mask to set q sensor mask in ver 2 21 1 set q power value This is a new register added in ver 2 21 1 to automatically turn on t...

Page 23: ...urs the command is set q power 0x04 6 Get Commands These commands begin with get They display the current values get adhoc display all adhoc settings get broadcast will display the broadcast UPD address port and interval get everything displays all configuration settings useful for debug get com display comm settings getdns display DNS settings get ftp display FTP settings getip a display IP addre...

Page 24: ...cted 1 OK 1 OK 0 Idle 1 Connected 3 NOIP 4 Connecting show io Displays IO pin levels status in this HEX format 8ABC Example show i returns 8103 indicates pins 0 1 and 9 high level show net n Displays current network status association authentication etc Optional parameter displays only the MAC address of the AP currently associated show rssi Displays current last received signal strength show stat...

Page 25: ... for settings to take effect join ssid joins the network ssid If network is security enabled you must set the pass phrase with the set wlan phrase command prior to issuing the join command join num join a network from the scan list num is the entry number in the scan list that is returned from the scan command If network is security enabled you must set the pass phrase with the set wlan phrase com...

Page 26: ...nnel about 3 seconds time is an optional parameter this is the time in ms per channel For example scan 30 reduces the total scan time down to about 1 second This command also works in Adhoc mode If the optional P parameter is entered the module will perform a passive scan and list all APs that are seen in passive mode sleep Puts the module to sleep mode The module can come out of sleep mode by eit...

Page 27: ...tions are available Method Type Description Sensor Input 1 2VDC ONLY Sensor Pins You can wake up the module on sensor pins 0 3 1 2V ONLY Use the set sys trigger value command to enable Refer section 10 2 for details Rx Pin 1 2VDC ONLY RX pin via Sensor 0 The RX pin on the RN 134 is tied to Sensor Pin 0 Use set sys trigger 1 command to wake up on RX data NOTE You may drop the first byte of uart dat...

Page 28: ... port number sets up the port number on which the host is listening save save settings in config file reboot reboots the module so that the settings take effect Method Type Description Auto connect Internal RTC Timer Connect out to the host at specific time intervals based upon the set sys autoconn secs command Open Uart In command mode you can issue the open command Connect on uart data Uart mode...

Page 29: ... it can be as high as 1 19 million hours The wake timer which is the time the WiFly is asleep is a 22 bit number of seconds so the maximum sleeping time is 1165 hours The sleep timer is set with set sys sleep time time decimal in seconds The wake timer will bring the module out of deep sleep The wake timer is set with set sys wake time time decimal in seconds For example if you wanted the module t...

Page 30: ...mer to 10 ms default value The resulting UDP sleep timer will be 4 10 ms 40 ms You can also use a combination of autosleep 2 and comm timer 20 ms to achieve the same effect Using a minimum value of 2 when the default flushtime 10 ms is recommended to ensurethat the UDP packet gets transmitted For larger packets the value should be increased 10 1 2 TCP Connection Timers Opening a TCP Connection In ...

Page 31: ...ceed 1 2VDC Permanent damage to the module will result Sensor inputs are rated 1 2VDC maximum You must use a resistor divider when driving a sensor pin from the other 3V pins such as RX A resistor divider network with a minimum of 24K in series and 10K to ground from the UART RX or CTS pin should be used An open drain FET is a good device to tie to the SENSE pin The threshold is about 500mV Additi...

Page 32: ...ant to set the flush timer to a large number to avoid fragmentation For high throughput cases increase the UART baudrate set the flush size to 1460 and flush timer to a large value so full IP packets are sent You can control the packet forwarding 3 ways setcomm match value sets the value of the packet terminator Each time the match character is seen an IP packet will be sent setcomm match 0xd for ...

Page 33: ...ts a bit mask that controls each pin where 1 output and 0 input For example set sys mask 0x0 sets all pins to input To set only GPIO 6 and 7 for example you would enter set sys mask 0xc0 The default mask for WiFly 0x20f0 which has GPIO 13 8 7 6 5 4 as Outputs GPIO 0 3 are used internally on the module GPIO 4 5 6 are LEDs GPIO 9 is reserved as the ARM factory reset adhoc mode read at power up and o...

Page 34: ...HIGH disable UART RX UART TX ADHOC MODE FACTORY RESET NOT USED BLUE LED RED LED YELLOW LED GREEN LED NOTE The Blue LED is connected to GPIO7 on the Wi Fi Serial Adapter RN 370 The Blue LED is not connected to GPIO7 on the Surf Board RN 134 It is not possible to power off the Blue LED on the Surf Board 10 5 1 Setting the alternate GPIO functions The defaults for GPIO 4 5 6 is to control the LED fun...

Page 35: ...s iofunc0x70 enable alternate function for GPIO 6 5 and 4 save store configuration reboot reboot the module NOTE Currently the alternative GPIO functions are not available in adhoc mode 10 5 2 Controlling connections with GPIO In embedded applications it is useful to monitor and control the status of the TCP IP connection This can be done by using the alternate function for GPIO 5 and GPIO 6 With ...

Page 36: ...ets additional print functions Value is a bit mapped register that controls which printout messages are sent to the UART Print level Description 1 All status messages 2 only critical NETWORK AP connection level status is output Associated Or Disconnect from ssid 4 DHCP and IP address status information Once the configuration has been checked this can then be turned off so that these messages do no...

Page 37: ...ADDR 129 6 15 28 123 ZONE 7 To view a complete listing of the time variable use the command 2 20 show t t Time 09 02 10 UpTime 653 s Powerup 1792 s RTC 7753271426558 ms timera 66885 10 8 Time Stamping Packets This feature can be used to automatically append 8 bytes to a TCP or UDP packet setip flags 0x87 enables timestamp and keeps other default settings TIME STAMP MSB to LSB User s TCP or UDP pac...

Page 38: ...string set the passphrase for WPA and WPA2 modes Set up the protocol and port number setip proto 1 enable UDP as the protocol setip host ip address set the IP address of remote host setip remote port set the remote port number on which the host is listening setip local port set the port number on which the WiFly module will listen save saves the settings in config file reboot reboots the module so...

Page 39: ... is sent out This continues until either A UDP response is seen or A new UDP packet is sent from the module and is acknowledged To enable this feature use set ip flags value 11 4 Using the UDP Broadcast function The WiFly module can be setup to automatically generate UDP broadcast packets This is useful for a number of reasons Some Access Points will disconnect devices that sit idle and don t send...

Page 40: ...code User DEVICEID Boot time SENSOR pins Bytes Size 0 5 6 MAC adddress of AP that we are Associated with for location 6 1 Channel we are on 7 1 RSSI 8 2 local TCP port for connecting into the Wifly device 10 4 RTC value MSB first to LSB last 14 2 Battery Voltage on Pin 20 in millivolts 2755 for example 16 2 value of the GPIO pins 18 13 ASCII time 32 26 Version string with date code 60 32 Programma...

Page 41: ...n 15 Once in adhoc mode open up a telnet window on IP address 169 254 1 1 port 2000 If configuring the module using the UART mode either using the RS232 or development board open a terminal emulator on the COM port associated with that deveice The default baud rate is 9600 8 bits no parity 12 1 Associate with a network access point From within the terminal window put the WiFly GSX module into comm...

Page 42: ...o test this connection From in Telnet type open addr port In the example above the telnet command you look like open 10 20 20 62 2000 Once open you can type characters into the UART window and see them on the Telnet window or visa versa To make a connection from the module you will need IP address and port number of your server application A simple program to test this functionality is a COM port ...

Page 43: ...the IP port of the remote machine set sys autoconn 1 automatically connect out after READY set com idle 5 disconnect after 5 seconds with no data activity set sys sleep 2 sleep 2 seconds after connection is closed set sys wake 60 wakeup after 1 minute of sleeping UART data TRIGGER mode version 2 19 This mode will automatically make a TCP HTTP connection upon incoming UART data setuart mode 2 12 4 ...

Page 44: ...and Lookup string string is the hostname 12 6 Utilizing the Backup IP address connect function WiFly contains a feature for auto retry and redundancy If the first IP host address connection fails the backup IP will be used if set If this fails or is not set then the first DNS name will be used If this fails or is not set then the Backup DNS name will be used To set the backup IP address use setip ...

Page 45: ...p proto 18 enable html client setdns namewww webserver com name of your webserver setip address 0 so WiFly will use DNS setip remote 80 standard webserver port setcom remote 0 turn off the REMOTE string so it does not interfere with the post To make the connection the command would be open or inline you can send open www webserver com 80 The user s microprocessor should write to the uart GET ob ph...

Page 46: ...0 auto connect every 30 seconds set option format 1 auto send the header once connection is open setip proto 18 turn on HTTP mode 0x10 TCP mode 0x2 NOTE1 when HTTP mode is set the WiFly automatically appends the n n to the end of the packet NOTE2 if the html header contains spaces the is required when entering the string Space is the command delimiter When WiFly command parser sees it will convert...

Page 47: ...ule will send out small packets of data It will send out many packets of small MTU size To avoid this set the flush timer to a higher value By default it is set to 10 milliseconds You can extend the flush to a higher value e g set comm time 5000 13 4 Posting binary data Web servers expect ASCII data so if the User data is binary WiFly can convert binary data to ASCII format before sending it to th...

Page 48: ...he server will be GET userprog php DATA 0F3000001111222233334444555566667777 n n In the above example the data format is 2 Bytes GPIO Channel 0 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 0F30 0000 1111 2222 3333 4444 5555 6666 7777 13 6 Examples using the HTML client Example 1 Auto posting sensor data In this example we will connect to the web server atwww rovingnetworks...

Page 49: ...032 Tel 408 395 6539 info RovingNetworks com 49 Set option sensor 0xFF sets sensor mask to sample all channels Save save the configurations in config file Reboot reboot so that the settings take effect Result You will receive a 200 OK returned from the web server as seen in the screenshot below ...

Page 50: ... up the URL of the server setip host 0 instructs RN 370 to use DNS address of host server setip remote 80 standard web server port setip proto 18 enable HTTP and TCP protocols set com remote GET mike php ID set up the string set sys auto 10 auto connect every 10 seconds setuart mode 2 automatically connect using data Trigger mode save save the configurations in config file reboot reboot so that th...

Page 51: ...ore data files 14 1 FTP Upload and Upgrade WiFly contains a built in FTP client for getting files and updating the firmware The client uses passive mode FTP which allows operation thru firewalls and the Internet To update to the latest released firmware from Roving Networks the following setting are required FTP username roving FTP password Pass123 FTP filename wifly GSX img FTP directory public t...

Page 52: ... committing it to flash and updating the boot record after download If the checksum fails firmware prints UPDATE FAILED x and deletes the image Note the module must be rebooted or power cycled to use the new firmware To boot a different firmware use the following command Boot image num sets the current boot image num For example to boot the previous image from above use 2 20 boot image 11 Set Boot...

Page 53: ...nd each keeps track of the other active devices on the network by sending and receiving beacon and probe packets In most cases IP addresses are assigned through Auto IP although one of the Wi Fi devices can be configured as a DHCP server 15 2 Configuring adhoc mode The WiFly GSX module can be configured to setup an adhoc network This mode is useful for point to point communications The WiFly devic...

Page 54: ...cp0 Be sure to save your configuration then upon reboot the module will be in adhoc mode To associate with an adhoc network from another WiFly device setwlanssidmy_adhoc_network reboot or alternatively you can use the join command to associate with the adhoc network Remember to disassociated using the leave command if you are previously associated to another network joinmy_adhoc_network If you lea...

Page 55: ... view available networks and select the name of the adhoc network Note Once associated with the adhoc network Vista auto IP may take a couple minutes to allocate an IP address for your computer To work around this you can assign a static IP address in the network settings TCP IP Properties menu Once associated with the adhoc network you can open a connection or telnet window as you would with an e...

Page 56: ...om chip to chip To improve accuracy it is recommend using a precision reference voltage on one of the analog inputs to calculate the offset The offset will be the same for all analog inputs For example drive precision 200mV reference on analog input 4 read analog input 4 and compute the offset If you read 210mv you would know that the offset is 10mv When you read input 5 you would subtract 10mv fr...

Page 57: ...t determines which sensor pins to sample when sending data using the UDP broadcast packet or the HTTP auto sample function NOTE The sensor pins variable has been changed from set option sensor mask to set q sensor mask in ver 2 21 1 set q power value This is a new register added in ver 2 21 1 to automatically turn on the sensor power This is a 8 bit register with two 4 bit nibbles If the top nibbl...

Page 58: ... to 1 2V when sampling event occurs the command is set q power 0x02 Example To set the power to 3 3V automatically upon power up the command would be set q power 0x40 To set sensor power to 3 3V when sampling event occurs the command is set q power 0x04 ON BOARD TEMPERATURE OPTION RN 121 TEMP show q t The return values are the format T 207 r n this would be 20 7 C show q t 1 enables automatic samp...

Page 59: ...econds COMM PARAMETERS Close string OPEN Open string CLOS Remote string HELLO Flush size 64 Match byte 0 Flush timer 10 milliseconds Idle timer 0 Cmd char DNS PARAMETERS IP address 0 0 0 0 Name server1 Backup backup2 FTP PARAMETERS Server address 208 109 78 34 roving default update server port at 21 File Wifly GSX img User roving Password Pass123 IP PARAMETERS DHCP ON 1 enabled IP address 0 0 0 0 ...

Page 60: ...S Baudrate 9600 parity n none this is the only option available flow 0 disabled Mode 0 WLAN PARAMETERS SSID roving1 Channel 0 automatic scan External antenna 0 off use on board chip antenna Join mode 1 automatically scan and join based on ssid Authentication mode OPEN Mask 0x1FFF all channels Rate 12 24Mbit Passphrase rubygirl Key number 1 Key 0 0 0 0 0 0 0 0 0 0 0 0 0 17 1 Restoring Default confi...

Page 61: ...ion settings into the user file Even if there is a user config file arming and toggling PIO9 7 times will override the user settings and restore the wifly module to the factory hardcoded defaults This is a bypass mechanism in case a bad configuration is saved into the user file Note The module should be rebooted or reset with reset line for the new settings to take effect 18 Boot up Timing Values ...

Page 62: ...se incorrectly report their security mode We also currently do not support WPA2 Enterprise radius server authentication EAP TLS The WiFly GSX should work with any standard Access Point We have tested the WiFly GSX module with the following access points Cisco Aeronet series Linksys both standard and openWRTLinux Netgear WGR614 v8 Netgear WGN54 DLINK dir 615 Airlink 101 Apple Airport express Buffal...

Page 63: ...ts up to 64 chars A bug introduced in 2 19 causes the wlan passphrase to be truncated to 32 characters making it impossible to enter a 32 byte HEX literal PSK Fixed DHCP status when link to Access Point AP is lost It was still reporting DHCP OK It is now cleared and new DHCP session will start once AP link is reestablished Fixed a bugwhereby UDP receive becomes disabled no packets are received if ...

Page 64: ...lly make a TCP HTTP connection based on received UART data setuart mode 2 to enable this mode Added timestamping option to both UDP and TCP packets 8 byte RTC counter is appended DHCP client now inserts the DEVICEID string into the HOST name when requesting a DHCP lease This string is displayed by most routers and DHCP servers in their lease tables show nncommand returns the MAC Address of the Acc...

Page 65: ...er of consecutive missed probe responses allowed before declaring ADHOC is Lost and setting the network interface to be down Default is 5 probes A setting of set adhoc probe 0 will disable this function Some Adhoc stations do not reliably respond to probes and so this value higher avoids intermittent loss of connectivity DHCP cacheTheset ipdhcp 3 command is now used to enable DHCP address caching ...

Page 66: ... supported Previously DHCP renew rebind would update IP settings and if a TCP session was active it would enter a hung state TCP connections now survive a DHCP renew rebind Features TCP connection password This optional pass word is enabled with the command set opt pass string incoming connections will be challenged and the stored password must be matched or the connection will be closed UART inst...

Page 67: ...ast to 255 255 255 255 on port 55555 at a programmable interval The broadcast address port and interval are set using the set broadcast commands See section 11 Known Issues WiFly Module has trouble associating with some 802 11 n access points The module will crash and reboot repeatedly We have seen this behavior with Linksys and Dlink router access points If you disable the n capability on the rou...

Page 68: ... connection exists Otherwise data will forward over UDP if UDP bit is set As of firmware version 2 07 6 04 2009 Command changes setwlan antenna 0 or 1 command has been changed to set wlan extant 0 or 1 set wlanauth value command has been added setwlan hide will hide the WEP key or WPA passkey To unhide you set key or passphrase again setip proto 8 TCP client mode no listen server only outbound con...

Page 69: ...IG Inc All other trademarks are property of their respective owners Roving Networks reserves the right to make corrections modifications and other changes to its products documentation and services at any time Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete Roving Networks assumes no liability for applica...

Page 70: ...dio TV technician for help This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation FCC Caution To assure continued compliance any changes or modifications not expressly approved by the part...

Page 71: ...C ID can not be used on the final product In these circumstances the OEM integrator will be responsible for reevaluating the end product including the transmitter and obtaining a separate FCC authorization This device is intended only for OEM integrators under the following conditions The antenna must be installed such that 20 cm is maintained between the antenna and users As long as a condition a...

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