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RP6 ROBOT SYSTEM - APPENDIX

interface. To connect to the module via ADHOC mode is not as simple as with normal

infrastructure mode – the setup procedure is highly dependent on the installed WLAN
software and operating system. Therefore this is not described any further in this sec-

tion.
If the jumper is bridged immediately after power on and you toggle it 1x per second

5x in sequence (not faster than 1x per second), the module will be totally reset to
factory settings. You should see that the LEDs change the blink rate once you bridged

it often enough.
After that, the initial configuration can be done in RobotLoader.

5. List of Tested Routers / Access Points

The following routers / access points / series have been tested with the WLAN module
and confirmed to be compatible so far (end of 2012). The list is not exhaustive. If a

router is not listed here, it doesn't mean that it wouldn't work but that no test we
know of has been made so far.

•

Linksys/Cisco WRT series

•

Cisco Aeronet

•

LANCOM L-322agn

•

T-Com Speedport W701V with original firmware

•

T-Com Speedport W701V with AVM Fritzbox 7170 firmware

(Hardware manufacturer is AVM)

•

AVM Fritzbox WLAN 3270

•

Netgear WGR614 v8

•

Netgear WGN54

•

DLINK DIR-615

•

DLINK DIR-600

•

Airlink 101

•

Apple Airport express

•

Buffalo Networks

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Содержание RP6-M256

Страница 1: ...globalspecialties com 1 800 572 1028 22820 Savi Ranch Parkway Yorba Linda CA 92887 2012 Global Specialties RP6v2 CONTROL M256 WiFi Expansion Module...

Страница 2: ...rate the devices properly and how to avoid dangerous situations Furthermore the manuals provide important details which may be unknown to average users The RP6 CONTROL M256 manual is only supplementar...

Страница 3: ...rom date of purchase Global Specialties will without charge repair or replace at its option defective product or component parts Returned products must be accompanied by proof of the purchase date in...

Страница 4: ...WLAN Module 21 3 3 5 MicroSD Card 23 3 4 WLAN Command Line Interface 24 3 5 Find out the WLAN IP Address 26 3 6 Solving WLAN Connection Problems 27 4 RP6 CONTROL M256 WIFI Library 28 4 1 1 Initializat...

Страница 5: ...tware library is compatible with the other AVR processors of the RP6 such that is not necessary to start learning everything again A specialty of the module is the highly energy efficient 802 11b g WL...

Страница 6: ...flash ROM and SRAM memory together with bus connection to the peripherals Around it there are the numerous 8 bit I O ports 6 timers 4 USARTs serial interfaces or two dual SPI UART ports SPI I C Bus TW...

Страница 7: ...rent status and sensor values The numerous I O ports allow to add lots of user interface elements like additional buttons A 10cm tall 2 4GHz antenna with 2dBi gain 15cm u FL to RP SMA pigtail cable an...

Страница 8: ...d E g if an I O pin is normally used as an input but the program for the wrong controller configures it as an output it could get overloaded because of the connected circuit Normally nothing serious w...

Страница 9: ...published on this site 1 3 Scope of Delivery You should find the following items in the carton of the RP6v2 CONTROL M256 WIFI Completely assembled RP6 M256 module 1 x 10cm 2 4GHz WLAN antenna 1 x 15cm...

Страница 10: ...er 10cm long 2 4GHz antenna with 15cm pigtail cable Distance max 100m line of sight free of obstacles depends on interference level Data rate via serial interface 500kbit s identical to the bit rate w...

Страница 11: ...rigger and 9V maximum voltage recommended are 5V max like for the other A D converters These can be read independently from the microcontroller and also be used to wake up the WLAN module Voltage divi...

Страница 12: ...ase of this module the on board WLAN module can also be used to upload new programs This frees up the serial interface for other applications however during booting the bootloader generates outputs wi...

Страница 13: ...rough the PCB like on the picture If this is not the case you can correct it by yourself The RP SMA connector should be firmly mounted on the antenna mount If not you can fasten it carefully via 2x pl...

Страница 14: ...ting holes on the main board as shown on the picture On the picture above all 8 spacer bolts are fastened also those of a second expansion module After that you put the expansion module on top of the...

Страница 15: ...racters display The status messages can appear on larger displays as well but maybe in other places than expected You don t need 4 spacer bolts as shown on the picture 2 pieces both on the front or on...

Страница 16: ...a second level A combination with the RP6 M32 module would also be possible A combination with the RP6 M128 does not make so much sense as unfortunately the C Control soft ware doesn t support the I2C...

Страница 17: ...rmat e g 192 168 10 171 2000 The standard communication port is 2000 This can however be changed in the settings of the WLAN module Basically you just have to select the desired address select the hex...

Страница 18: ...can be used simultaneously for outputs of the program which can be very useful during the development stage of new soft ware for the RP6 e g display at the same time outputs from the controller on th...

Страница 19: ...the dialog At the end just click on Configure WIFI Module prior to that select the appropriate port in the serial loader tab Then the RobotLoader switches automatically to the Log view and displays t...

Страница 20: ...e other settings according to your network You can try out various WLAN channels if some are strongly disturbed by neighbor networks or other sources of in terference Channel 1 6 or 11 are not overlap...

Страница 21: ...interface on the PC to the PROG UART connector on the RP6 M256 via the 10 pin ribbon cable and start the RobotLoader Turn the robot on If you have an LCD a text message should be displayed The status...

Страница 22: ...slowly This means that the WLAN module has set up a connection Detach the network terminal via the menu View Detach Network Terminal and place it next to the RobotLoader window This eases the operatio...

Страница 23: ...ains some ASCII text that is read by the program and sent to the PC via the WLAN connection A test string at the beginning of the file will be checked and only if the text has been read properly the t...

Страница 24: ...way is via the serial interface USB interface For this purpose the microcon troller switches into a Passthrough mode where it transfers everything from the PC to the WLAN module and the other way roun...

Страница 25: ...n auth 4 Use WPA2 access points with automatic connection to the next access point set wlan passphrase PASS Set WPA passphrase set wlan hide 1 Hide WPA passphrase for get command set wlan linkmon 5 Se...

Страница 26: ...the module You can also enter command mode via the network connection It works quite similar via the input of The commands are identical but please note that the connection is closed when you change t...

Страница 27: ...oft firewall At the first start of the new RobotLoader a security control dialog might appear as the RobotLoader wants to listen on UDP port 55555 im mediately after starting That should be allowed Of...

Страница 28: ...far from being perfect You can improve it and add many additional things Here you have to use your own programming skills New versions of the library will be published online This applies also to the...

Страница 29: ...uint8_t led void setLED4 uint8_t led setLED1 1 LED1 on setLED2 0 LED2 off 4 1 3 Buttons The two buttons on the board can be queried via the following routines uint8_t getPressedKeyNumber void This fun...

Страница 30: ...rix displays for performance reasons This function sets also the Enable signal so that the LCD accepts the data void writeLCDCommand uint8_t cmd This function calls setLCDD but sets the RS line to low...

Страница 31: ...fied length on the LCD The paramet ers are identical to those of the same function of the serial interface showScreenLCD LINE1 LINE2 To make text outputs on an LCD easier this function allows to write...

Страница 32: ...ble via the SPI bus whereas the high byte is sent first void writeBufferSPI uint8_t buffer uint8_t length Transfers up to 255 bytes via the SPI bus from an array of sufficient size The number of bytes...

Страница 33: ...PORTL IO_PL5_OC5C High PORTL IO_PL5_OC5C Low If a bit in the DDRx register is set to 0 the relevant pin is an input Example DDRD IO_PD7_T2 PD7 is now an input PINx register shows the status of the pin...

Страница 34: ...uch as LED search lights and motors definitely need an external driver circuit They can NOT be connected directly to the I O ports a power driver and posi tion control is already built in model servo...

Страница 35: ...rea is secured per checksum i e the bootloader re cognizes wrong data and overwrites it with standard values Additional hint The EEPROM has a typical life time of several million write cycles This is...

Страница 36: ...empty card Tip It might happen that the file system partition table on the card gets damaged when a program error occurs or power off reset happens while data is written to the card It might be neces...

Страница 37: ...use this function It supports data flow control and might there fore block if the WLAN module takes more time to send a packet via the network You must take this into account in your own programs For...

Страница 38: ...configuration data that RobotLoad er stores in EEPROM Therefore you can simply activate the use of the GPIO14 pin in the WLAN configuration dialog in RobotLoader With void leave_cmd_mode_WIFI void yo...

Страница 39: ...uld use them with care If a com mand fails e g because the WLAN module was just busy with something else long delays might occur For more complex programs you might need non blocking variants In this...

Страница 40: ...1 if a line delimiter has been recognized and 2 if the buffer was too small everything that fitted in the buffer can still be read Standard is 254 characters The buffer is defined as char receiveBuff...

Страница 41: ...in the example programs but of course by far not all possible functions Small example To change the IP address netmask and gateway just proceed as follows enter_cmd_mode_WIFI issueCMD_WIFI set ip add...

Страница 42: ...enough for highly complex programs and even for small real time operating systems and simple web servers Moreover you can store very large amounts of data on the SD card You can of course exchange yo...

Страница 43: ...xample 2 Buttons and LC Display Directory RP6Examples RP6_M256_WIFI_EXAMPLES Example_02_Buttons File RP6M256_Buttons c The program generates outputs on the serial interface the WLAN connection and on...

Страница 44: ..._TESTFILE txt from the example directory onto a suitable microSD card You can then insert the microSD card in the card slot of the RP6 M256 The robot must be turned off when you do that Then turn the...

Страница 45: ...via the I C bus as every bus access costs quite some time The ACS on the robot mainboard is a good example The sensor status changes only quite seldom and it would not be very efficient to keep pollin...

Страница 46: ...can be used almost exactly as the normal RP6Lib for the controller on the main board Many functions and variables have the same name as in the RP6Lib This makes it easier to use parts of the programs...

Страница 47: ...P6M256_10_Move c This program shows the use of the I2C bus master mode The controller on the main board of the robot must have loaded the I2C slave example program RP6 Base_I2CSlave hex CAUTION The ro...

Страница 48: ...tive behavior A little instruction manual of the program is displayed right at the start per WLAN First you type in cmd in order to activate the interpreter Activate means activa tion of the robot con...

Страница 49: ...as last step because once this is activated the robot just drives forward without checking for obstacles Even if Cruise is deactivated the robot still reacts on obstacles just try to move your hand in...

Страница 50: ...tten into a text file on the card Among oth ers a few standard C functions for the processing of the strings will be used Additionally the small web server from the previous example has been integrate...

Страница 51: ...PI UART ports are on the same pins Most of the PWM and timer capture channels are also on the same pins however the timers them selves are different note OC0B and OC2A B are 8 bit timers the others ar...

Страница 52: ...uilding your own cable for the LCD Unlike the RP6 M32 and RP6 M128 module the display can be controlled in 8 bit mode and no ex ternal SPI shift register is used for the data bits Thus the pins can al...

Страница 53: ...ge for different applications and can be read by the WLAN module independently from the microcontroller The WLAN module can be woken up from standby and the measurement values can be requested via net...

Страница 54: ...set WIFI Enable Passthrough This triggers a hardware reset of the WLAN module and the complete boot output is displayed The output in the serial terminal should look approximately like this if the mod...

Страница 55: ...en possible with the RobotLoader as it contains a small FTP server for the test routine that is activated during a very short period during the test This function should become generally usable in fut...

Страница 56: ...don t forget to set the WPA pass phrase If the new version causes problems you can reactivate an old image with boot image XX XX stands for the number that the ls command displays in column FL in fron...

Страница 57: ...oon as the unit is connected to a power supply and deactivate the LCD Additionally the baudrate of the WLAN module and the microcontroller UART that is connected to it can be configured This setting i...

Страница 58: ...bridged it often enough After that the initial configuration can be done in RobotLoader 5 List of Tested Routers Access Points The following routers access points series have been tested with the WLAN...

Страница 59: ...E g all com puters in subnet 192 168 10 x with subnet mask 255 255 255 0 4 Does the WLAN and network connection work with other devices If the WLAN connection doesn t work with a notebook or similar...

Страница 60: ...the settings of all involved firewalls 9 Port 2000 TCP and UDP must be allowed In addition port 55555 UDP should be allowed for Broadcast and Auto Discover function 10 Please try and deactivate the f...

Страница 61: ...devices Notebook Smart phone or similar 18 Try with a notebook or equivalent to connect to the WLAN module The note book should be connected PER WLAN to the same access point not per LAN cable If thi...

Страница 62: ...the normal boot process 5 Immediately afterwards bridge and open the contact with a screwdriver or a jumper e g the jumper of the ISP BOOT 5x in sequence with pauses of one second not shorter 6 The L...

Страница 63: ...nate RobotLoader and send the full log file RobotLoader logfiles robotloader_logfile log as attachment to your request to the customer support Warning The file is overwritten on every new start of Rob...

Страница 64: ...ct with skin Use in this case appropriate protection gloves to handle the battery Do NOT short circuit batteries and do not throw them into fire Do not recharge normal batteries They might explode Rec...

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