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QUICK START GUIDE

AMOS-820Linux EVK v4.1.3

1.00-03132018-151900

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Version Date Remarks1.00 03/13/2018 Initial release

AMOS-820 Linux EVK v4.1.3 Quick Start Guide

Revision History

iii


Table of Contents1. Introduction �� 1

1�1 EVK Package Content �� 11�1�1 Firmware Folder Contents �� 11�1�2 Document Folder Contents �� 11�1�3 Tools Folder Contents �� 1

1.2 VersionInformationandSupportedFeatures �� 2

2. ImageInstallation �� 32.1 BootingfromaMicroSDCard �� 32.2 BootingfromtheSPIROMwitheMMC �� 4

3. HardwareFunctions �� 53.1 SettingUpU-BootParameters �� 53.2 RestoringDefaultU-BootParameters �� 73.3 UsingtheOpenEmbeddedConsole �� 73.4 SettingUptheVideo-in �� 8

3.4.1 SettingUptheCVBS �� 83.4.1.1 CVBSVideo-inRecording 9

3.5 ConfiguringFlexCAN �� 103.6 ConfiguringWatchdogTimer �� 113.7 SettingUpGPIO �� 12

3.7.1 SettingUpDIOPortforGPIOFunctionality �� 123.7.2 SettingUpGPIMode�� 133.7.3 SettingUpGPOMode �� 13

3.8 ConfiguringRTC �� 14

4. Accessories �� 154.1 ConfiguringtheVNT9271USBWi-FiDongle �� 154.2 ConfiguringtheEMIO-1541miniPCIeWi-FiModule �� 164.3 ConfiguringtheEMIO-2531miniPCIeUSBWi-Fi&BluetoothModule �� 17

4.3.1 ConnectingtotheInternet �� 174.3.2 EnablingBluetooth �� 18

4.3.2.1 SettingUpBluetoothA2DPProfile 184.3.2.2 SettingUpBluetoothSPPProfile 19

4.4 ConfiguringtheEMIO-2550miniPCIeMobileBroadbandModule �� 214.4.1 ConnectingtotheInternet �� 214.4.2 EnablingGPS �� 22

iv


1

1� IntroductionTheQuickStartGuideprovidesanoverviewofhowtoboottheAndroidEVKsystemimageontheAMOS-820system(Bareboard:VAB-820withNXPi.MX6QuadCortex-A9processor)andconfigurethesupportedhardwarefunctionsinthebuild.

TheAMOS-820LinuxEVKv4.1.3isdevelopedbasedontheNXPfsl-yocto-L4.1.15_1.1.0-ga(Yocto2.0Jethro)andenablesthehardwarefeaturesoftheAMOS-820system.

1�1 EVK Package ContentTherearetwofoldersinthepackagelistedasbelow.

AMOS-820LinuxBSPcontent

1�1�1 Firmware Folder ContentsVAB-820_Yocto2.0_BIN_v4.1.3.tar.gz:containsinstallationscriptfilesandtheprecompiledU-bootandimageforevaluatingtheAMOS-820system.

1�1�2 Document Folder ContentsAMOS-820_Linux_EVK_v4.1.3_Quick_Start_Guide _v1.00_20180313.pdf:TheQuickStartGuideprovidesanoverviewofhowtoboottheLinuxEVKsystemimageontheAMOS-820system(Bareboard:VAB-820withNXPi.MX6QuadCortex-A9processor)andconfigurethesupportedhardwarefunctionsinthebuild.

1�1�3 Tools Folder Contents BT_Config.zip:containstheBluetoothA2DPconfiguringfile.

Firmware folder DescriptionVAB-820_Yocto2.0_BIN_v4.1.3.tar.gz YoctoEVKsystemimageandinstallation

scriptfilesDocument folder DescriptionAMOS-820_Linux_EVK_v4.1.3_Quick_Start_Guide_v1.00_20180313.pdf

QuickStartGuide

Tools folder DescriptionBT_Config.zip BluetoothA2DPconfiguringfile


2

1�2 VersionInformationandSupportedFeatures

• U-Bootversion:2015.04

• Kernel version: 4�1�15

• Evaluationimage:OpenEmbedded-corebuiltwithYocto2.0Jethro

• DevelopmentbasedonNXPfsl-yocto-L4.1.15_1.1.0-ga(Yocto2.0Jethro)

• SupportsSPIwitheMMCorMicroSDboot(default)

• SupportsHDMIdisplay

• SupportsHDMIaudiooutput

• SupportsCVBS

• SupportsCOM1DTEmode,COM2asdebugport

• Supports2FlexCANTX/RX

• SupportsGigabitEthernet

• SupportsLine-in,Line-out,andMic-in

• SupportsVNT9271USBWi-Fidongle

• SupportsEMIO-1541miniPCIeWi-Fimodule

• SupportsEMIO-2531miniPCIeWi-Fi&Bluetoothmodule

oSupportsBluetoothA2DPandSPPprofile

• SupportsEMIO-2550miniPCIeMobileBroadbandmodule

• SupportsWatchdogTimer,GPIOandRTC


3

2� ImageInstallationThissectionexplainsthesetuprequirementsforbootingfromaMicroSDcardortheSPIROMandeMMC.

Theinstallationscriptfiles,theprecompiledU-boot,andtheimageareprovidedinthe“Firmware”folder.

2�1 BootingfromaMicroSDCardThefirststepistoinstallthisimageontoaMicroSDcard.InsertaMicroSDcardintoyourLinuxhostmachineandmakesureitisnotmounted.InstalltheSDcardimageontotheMicroSDcardwiththecommandsbelow,replacing<devicename>withthecorrectvalueforthecard.

*Important:Makesureyouarewritingtothecorrectdeviceorthehostsystemenvironmentcouldbedamaged�

Next,ontheAMOS-820,setthebootswitchtotheMicroSDpositionasshownbelow.

Micro SD / SPI boot switch diagram

InsertthepreparedMicroSDcardintotheAMOS-820,connectanHDMIdisplay,andpowerontheAMOS-820toinitiatethebootprocess.

Whenthebootprocessiscompleted,youwillseetheOpenEmbeddeddesktop.

$ tar xvf VAB820_Yocto2.0_BIN_v4.1.3.tar.gz$ cd sd_installer/$ sudo ./mk_sd_installer.sh /dev/<device name> --yocto


4

2�2 BootingfromtheSPIROMwitheMMCTheAMOS-820supportsbootingfromtheSPIROMwhileloadingthekernelandrootfilesystemfromtheeMMC.

ThefirststepistoprepareaMicroSDcardasthesysteminstaller.InsertaMicroSDcardintoyourLinuxhostmachineandmakesureitisnotmounted.InstallthesysteminstallerontotheMicroSDcardwiththecommandbelow,replacing<devicename>withthecorrectvalueforthecard.

Next,ontheAMOS-820,setthebootswitchtotheMicroSDpositionasshownbelow.


InsertthepreparedMicroSDcardintotheAMOS-820systemthenpoweron.ThesystemwillautomaticallystarttoinstalltheU-bootandimageintotheSPIROMandeMMC.

Whentheinstallprocessiscompleted,unplugthepowercableandremovetheMicroSDcard.

Next,inordertobootfromtheSPIROM,makesurethebootswitchissettoSPIROMboot.


Next,connectanHDMIdisplay,andpoweronthedevicetoinitiatethebootprocess.Whenthebootprocessiscompleted,youwillseetheOpenEmbeddeddesktop.

$ tar xvf VAB820_Yocto2.0_BIN_v4.1.3.tar.gz$ cd sd_installer/$ sudo ./mk_sd_installer.sh /dev/<device name>


5

3� HardwareFunctionsThissectionexplainshowtoenableandtestthehardwarefunctionsprecompiledintheAMOS-820LinuxEVKincludingsettingtheU-Bootparameters,settinguptheVideo-in,configuringFlexCAN,configuringWatchdogTimer,settingupGPIO,andconfiguringRTC.

3�1 SettingUpU-BootParametersWhensettinguptheU-Bootparameters,thefirststepistoconnectthehostmachineandtheAMOS-820throughtheCOM2port.UseaserialportcommunicationprogramsuchasPuTTY,GtkTerm,orMinicomtoconfiguretheserialportsettingandconnecttothedebugconsole.ThereyouwillbeabletoseetheU-BootbootlogandadjustsettingsintheU-Bootconsole..

Serial port setting of host machine

COM 2 port diagram


6

Next,powerontheAMOS-820toinitiatethebootprocess.Whenprompted,pressanykeytostopthebootprocessandentertheU-Bootconsoleasillustratedbythescreenbelow.

Debug console view of boot process

TolistthecurrentU-Bootparameters,usethefollowingcommand:

Tohavemoreinformationmakesuretheprintoutmessageincludes“bootcmd=runbootcmd_auto”.

Thedefault“bootcmd”parameterissettoautodetectthesystemlocationbyfirstattemptingtoloadthekernelfromtheMicroSDcard.IfitisnotdetecteditcontinuestobootfromtheeMMC.

Toloadthekernelfromthespecifieddevice,refertothetwoexamplesbelow.

ToloadthekernelfromtheMicroSDcard,usethefollowingcommand:

ToloadthekernelfromtheeMMC,usethefollowingcommand:

U-Boot 2015.04-imx_v2015.04_4.1.15_1.0.0_ga+gd7d7c43 (Feb 20 2017 – 14:19:23)

CPU: Freescale i.MX6Q rev1.5 at 996 MHzCPU: Temperature 30 CReset cause: PORBoard: MX6Q-VAB820I2C: readyDRAM: 1 GiBMMC: FSL_SDHC: 0, FSL_SDHC: 1SF: Detected W25Q32BV with page size 256 Bytes, erase size

4 KiB, total 4 MiB

No panel detected: default to Hannstar-XGADisplay: Hannstar-XGA (1024x768)In: serialOut: serialErr: serialNet: FEC [PRIME]Warning: failed to set MAC address

Normal BootHit any key to stop autoboot: 0=>

=> printenv

=> setenv bootcmd ‘run bootcmd_sd’=> saveenv=> boot

=> setenv bootcmd ‘run bootcmd_mmc’=> saveenv=> boot


7

3�2 RestoringDefaultU-BootParametersIftheU-Bootparametershavebeenmodified,the“destroyenv”commandintheU-Bootconsolecanrestorethefactorydefaultssettings.

Torestartthedevice,usethe“reset”command:

3�3 UsingtheOpenEmbeddedConsoleThefirststepistoconnectthehostmachineandtheAMOS-820throughtheCOM2port.UseaserialportcommunicationprogramsuchasPuTTY,GtkTerm,orMinicomtoconnecttothedebugconsole.ThereyouwillbeabletoseetheU-BootbootlogandadjustsettingsintheU-Bootconsole.Next,powerontheAMOS-820toinitiatethebootprocess.Whenthebootprocessiscompletedyouwillbepromptedtologin.

COM 2 port diagram

Thedefaultaccountis“root”,withnopasswordset(justpressEnterwhenpromptedforthepassword).

=> destroyenv=> reset

...Freescale i.MX Release Distro 4.1.15_1.1.1 imx6qvab820 /dev/ttymxc1imx6qvab820 login: root


8

3�4 SettingUptheVideo-inTheAMOS-820supportsCVBSsignalinputforCompositeRCAjack.ThefollowingstepsareforVideo-infunctionverification.

Composite RCA jack diagram

3�4�1 SettingUptheCVBSToenablethevideo-in,usethefollowingcommand:

Ifthesourceofthevideo-inisPAL,usethefollowingcommandtodisplaythevideoonthescreen:

Todisplayothervideo-insourcesonthescreen,usethefollowingcommand:

# gst-launch-0.10 imxv4l2src input=1 deinterlace=true! imxv4l2sink

# gst-launch-0.10 imxv4l2src input=1 deinterlace=true ! imxv4l2sink crop-top-by-pixel=1

# gst-launch-0.10 imxv4l2src input=1 deinterlace=true ! imxv4l2sink


9

3�4�1�1 CVBSVideo-inRecordingIfyourapplicationrequirestheabilitytorecordthevideo-infeedsontothedevicestorage,thefollowingcommandscanbeusedwhenwritingyoursoftwareapplication.

Record Feed as MP4:

Tosavethevideo-infeedasanMP4file,usethefollowingcommand:

Forexample,tosavethevideo-invideoasa10-secondMP4fileinto/homefolderwithafilenamedemo_1.mp4,usethefollowingcommand:

Toplaythesavedvideofile,usethefollowingcommand:

Ifyouneedtodisplaythevideo-insourceonthescreenandrecordthefeedatthesametime,usethefollowing command:

# gst-launch-0.10 imxv4l2src input=1 num-buffers=<value> ! vpuenc codec=6 ! ffmux_mov ! filesink location=/<path/filename.mp4>

# gst-launch-0.10 imxv4l2src input=1 num-buffers=300 ! vpuenc codec=6 ! ffmux_mov ! filesink location=/home/demo_1.mp4

# gst-launch-0.10 playbin2 uri=file:/ <path/filename.mp4>

# gst-launch-0.10 imxv4l2src input=1 num-buffers=900 queue-size=30 ! tee name=t ! queue ! imxv4l2sink t. ! queue ! vpuenc codec=6 bitrate=3000000 ! matroskamux ! filesink location=/<path/filename.mp4>


10

3�5 ConfiguringFlexCANTheCAN/COM2portoftheAMOS-820supportsonedebugport(COM2)andtwoCANbusports.TheCANbussupportsCANprotocolspecificationVersion2.0BwhiletheCOM2supportsTX/RXfordebuggingpurposesonly.ThefirststepistoconnecttheCOM/CANconversioncable.

Installing COM/CAN conversion cable diagram

PleasenotethatyouneedtodisabletheCANbusfirst,settheCANbusbitrate.TheCANbusbitrateshouldbe5000<[BRT_value]<1000000.

CANbus1iscan0andCANbus2iscan1.

TosettheCANbus1bitrate[BRT_value],usethefollowingcommand:

ToenabletheCANbus1,usethefollowingcommand:

TodisabletheCANbus1,usethefollowingcommand:

UsethecansendcommandtosendCANbus1data:

<ID>:DeviceIDofCANbus

<Data>:Sendoutdata

UsethecandumpcommandtoreceivedatafromCANbus1:

# ifconfig can0 down

# ifconfig can0 up

# ip link set can0 type can bitrate [BRT_value]

# candump can0 &

# cansend can0 <ID>#<Data>


11

3�6 ConfiguringWatchdogTimerWatchdogTimerisanelectronictimerthatisusedtodetectandrecoverfromsystemmalfunctions.

Thewdt_driver_test.outprovidesanapplicationtoconfiguretheWatchdogtimer.

ToenableWatchdogTimerwiththedefaulttimeout(60seconds),usethefollowingcommand:

Tochangethetimeout<value>andthesystemreboot<value>(seconds),usethefollowingcommand:

Tosendkeep-aliverequeststoWatchdogTimer<value>(seconds),usethefollowingcommand:

Whenthevalueof“set_keep_alive”issmallerthanthevalueof“set_timeout”,thesystemwillnotreboot.

TodisableWatchdogTimer,usethefollowingcommand:

$ /unit_tests/wdt_driver_test.out enable wdt

$ /unit_tests/wdt_driver_test.out set_timeout <value>

$ /unit_tests/ wdt_driver_test.out set_keep_alive <value>

$ /unit_tests/wdt_driver_test.out disable wdt


12

3�7 SettingUpGPIOTheAMOS-820hasaDIOportwhichconsistsof9pins.Thefollowingsectionexplainshowtosetupthesepinsforinput/outputcommunication

DIO port diagram

3�7�1 SettingUpDIOPortforGPIOFunctionalityTheechovalueofGPIOpinsislistedbelow:

GPIO port pinouts table

SetthemultifunctionpinasaGPIOpin.HereistheexampleforGPIOpin1:

$ echo 7 > /sys/class/gpio/export

Pin Signal GPIO echo value1 GPIO_7 72 GPIO_1 13 GPIO_8 84 GPIO_2 25 GPIO_9 96 GPIO_4 47 GPIO_16 2038 GPIO_5 59 GND


13

3�7�2 SettingUpGPIModeTosetapinto“input”mode(GPI),usethefollowingcommand(hereistheexampleforGPIOpin1):

ToreadtheGPIinputvalue,usethefollowingcommand:

3�7�3 SettingUpGPOModeTosetapinto“output”mode(GPO),usethefollowingcommand(hereistheexampleforGPIOpin1):

Tooutputa“Low”valueontheGPOpin,usethefollowingcommand:

Tooutputa“High”valueontheGPOpin,usethefollowingcommand:

$ echo “in” > /sys/class/gpio/gpio7/direction

$ cat /sys/class/gpio/gpio203/value

$ echo “out” > /sys/class/gpio/gpio7/direction

$ echo 0 > /sys/class/gpio/gpio7/value

$ echo 1 > /sys/class/gpio/gpio7/value


14

3�8 ConfiguringRTCTheRTC(Real-TimeClock)keepstrackofthecurrenttimevalues.Thetimevaluesincludetheyear,month,date,hours,minutesandseconds.ToconfiguretheRTContheAMOS-820,setthesystemtimewiththeLinuxdatecommandasintheexampleshownbelow.

Time value table

Forexample,thevalue061110072013meansJune11201310:07.Thedatecommandalsoacceptsothertimeformats.Formoreinformation,usethefollowingcommand:

TowritethesystemtimetotheRTC,usethefollowingcommand:

ToreadtheRTCtime,usethefollowingcommand:

Time Valuemm 2-digitmonthdd 2-digitdayHH 2-digithoursin24hsystemMM 2-digitminutesYYYY 4-digityear

$ date --help

$ date mmddHHMMYYYY

$ hwclock -w -f /dev/rtc0

$ hwclock -r


15

4� AccessoriesThissectionexplainshowtoinstallandconfigurethevariousEMIOmodulesavailablefortheAMOS-820system�

4�1 ConfiguringtheVNT9271USBWi-FiDongleTheVNT9271USBWi-FidonglesupportsWi-FifunctionalitythroughaUSBportconnection.

ThefirststepistoinserttheVNT9271USBWi-FidongleintoaUSBport.Next,makesuretounpluganyLANcablesorotherWi-Fi/3Gmodulesyouhaveinstalled.Finally,powerontheAMOS-820.

Inserting the VNT9271 USB Wi-Fi dongle

Whenthebootprocessiscompleted,clickonthe“ConnectionManager”icontoconfigureWLAN.

Connection Manager icon diagram

Whentheconnectioniscreated,connecttotheinternetthroughyourwebbrowser.


16

4�2 ConfiguringtheEMIO-1541miniPCIeWi-FiModuleTheEMIO-1541modulesupportsWi-FithroughtheonboardminiPCIeslot.

ThefirststepistoinserttheEMIO-1541moduleintotheminiPCIeslot.Afterinstallingthemodule,connecttheprovidedantennatothemodule.Next,makesuretounpluganyLANcablesorUSBWi-Fidonglesyouhaveinstalled.Finally,powerontheAMOS-820.

Inserting the EMIO-1541 module





17

4�3 ConfiguringtheEMIO-2531miniPCIeUSBWi-Fi& BluetoothModuleTheEMIO-2531modulesupportsWi-FiandBluetoothfunctionalitythroughminiPCIeconnections.

4�3�1 ConnectingtotheInternetThefirststepistoinserttheEMIO-2531moduleintotheminiPCIeslot.Afterinstallingeithermodule,connecttheprovidedantennatothemodule.Next,makesuretounpluganyLANcablesorUSBWi-Fidonglesyouhaveinstalled.Finally,powerontheAMOS-820.






18

4�3�2 EnablingBluetoothThefollowingsectionexplainssettinguptheAdvancedAudioDistributionProfile(A2DP)andSerialPortProfile(SPP).

4�3�2�1 SettingUpBluetoothA2DPProfileToaddA2DPsupporttotheAMOS-820,firstcopyandreplacethepulseaudio-system.conf,bluetooth.conftothe/etc/dbus-1/system.dfolder.Next,copyandreplacethesystem.pafilestothe/etc/pulse/folder.ThesefilesarelocatedintheEVK/BT_ConfigfolderoftheBSP.

ToenabletheBluetoothservice,usethefollowingcommand:

Usethefollowingcommandstorunthe“bluetoothctl”toshowtheEMIO-2531BluetoothMACaddressandsetuppairingmode.

ToenableBluetoothdevice,usethefollowingcommands:

$ rfkill unblock bluetooth$ hciconfig hci0 up$ hciconfig hci0 piscan$ /usr/lib/bluez5/bluetooth/bluetoothd -C -d &

$ bluetoothctl[NEW] Controller 5C:F3:70:24:4B:2E[bluetooth]#[bluetooth]# showController 5C:F3:70:24:4B:2E Name: BlueZ 5.25 Alias: BlueZ 5.25 …..[bluetooth]# select 5C:F3:70:24:4B:2E[bluetooth]# power onChanging power on succeeded[bluetooth]# agent onAgent registered[bluetooth]# default-agentDefault agent request successful[bluetooth]# discoverable onChanging discoverable on succeeded[CHG] Controller 5C:F3:70:24:4B:2E Discoverable: yes[bluetooth]# pairable onChanging pairable on succeeded[bluetooth]# scan onDiscovery started[CHG] Controller 5C:F3:70:24:4B:2E Discovering: yes[NEW] Device 00:1D:82:BC:C1:C4 Jabra BT-530…[bluetooth]# scan off[bluetooth]# devicesDevice 00:1D:82:BC:C1:C4 Jabra BT-530Device …[bluetooth]# pair 00:1D:82:BC:C1:C4[bluetooth]# trust 00:1D:82:BC:C1:C4

[bluetooth]# connect 00:1D:82:BC:C1:C4[bluetooth]# info 00:1D:82:BC:C1:C4[bluetooth]# quit


19

ThedefaultaudiooutputsettingfortheAMOS-820isHDMIdevice.

Tolistalltheavailableaudiooutputdevices,usethefollowingcommand:

Fromtheoutput,wecanseethefollowing:

• 0=HDMIdevice

• 1=Line-out

• 2=Bluetoothdevice

TosetuptheaudiooutputtoaBluetoothdevice,usethefollowingcommand:

*Note:IfyouwouldliketochangeaudiooutputafterenablingaBluetoothdevice,usethecommandsbelow:

TosetuptheaudiooutputtoLine-out,usethefollowingcommand:

TosetuptheaudiooutputtoHDMIdevice,usethefollowingcommand:

4�3�2�2 SettingUpBluetoothSPPProfileTheAMOS-820supportsSPPservermodeandSPPclientmode.

ToenabletheBluetoothservice,usethefollowingcommand:

Usethefollowingcommandstorunthe“bluetoothctl”toshowtheBluetoothMACaddressandsetuppairingmodefortheEMIO-2531module.

$ pactl list short sinks0 alsa_output.platform-sound-hdmi.23.analog-stereo module-alsa-card.c s16le 2ch 48000Hz

SUSPENDED1 alsa_output.platform-sound.22.analog-stereo module-alsa-card.c s16le 2ch 48000Hz

SUSPENDED2 bluez_sink.00_1D_82_BC_C1_C4 module-bluez5-device.c s16le 2ch 48000Hz IDLE

$ pacmd set-default-sink 2



$ rfkill unblock bluetooth$ hciconfig hci0 up$ hciconfig hci0 piscan$ /usr/lib/bluez5/bluetooth/bluetoothd -C -d &

$ bluetoothctl[NEW] Controller 5C:F3:70:24:4B:2E[bluetooth]# scan onDiscovery started[CHG] Controller 5C:F3:70:24:4B:2E Discovering: yes[NEW] Device 5C:F3:70:25:DD:33 BlueZ 5.25…[bluetooth]# scan off[bluetooth]# devicesDevice 5C:F3:70:25:DD:33 BlueZ 5.25Device …[bluetooth]# pair 5C:F3:70:25:DD:33[bluetooth]# trust 5C:F3:70:25:DD:33[bluetooth]# quit


20

SPP server mode:Ifyoudonotchangethelistenchannelnumber,theservicewillautomaticallyusethedefaultchannelnumber.MakesuretheserverorclientmodeisusingthesameBluetoothchannelnumber.

TosetuptheSPPservermodeandallowotherdevicestoconnect,usethefollowingcommands:

SPP client mode:Ifyoudonotchangethelistenchannelnumber,theservicewillautomaticallyusethedefaultchannelnumber.Makesuretheserverorclientmodeisusingthesamelistenchannelnumber.

UsethefollowingcommandstosetuptheSPPclientmodeandrequestaconnectiontoSPPserver.

Toopentheminicomserialcommunicationprogram,usethefollowingcommand:

Connecttothe/dev/rfcomm0serialdevicewiththefollowingsettings:

Serial port setting

StartaserialcommunicationprogramonthehostmachinewiththesamecommunicationsettingsusingtheappropriateBluetoothSPPdevice.AfterwardstheBluetoothSPPdeviceandtheAMOS-820willbeabletocommunicatethroughtheprograms(forexamplesendingakeypressononemachineshouldbeshownontheothermachine).

# sdptool add SPSerial Port service registered# rfcomm listen hci0Waiting for connection on channel 1Connection from 5C:F3:70:25:DD:33 to /dev/rfcomm0Press CTRL-C for hangup

# sdptool add SPSerial Port service registered# rfcomm connect hci0 5C:F3:70:24:4B:2EConnected /dev/rfcomm0 to 5C:F3:70:24:4B:2E on channel 1Press CTRL-C for hangup

# minicom -s

+--------------------------------------------------------------+| A - Serial Device : /dev/ttyUSB1 || B - Lockfile Location : /var/lock || C - Callin Program : || D - Callout Program : || E - Bps/Par/Bits : 115200 8N1 || F - Hardware Flow Control : No || G - Software Flow Control : No |+--------------------------------------------------------------+


21

4�4 ConfiguringtheEMIO-2550miniPCIeMobileBroadband ModuleTheEMIO-2550miniPCIeMobileBroadbandmodulesupports3GandGPSfunctions.

4�4�1 ConnectingtotheInternetThefirststepistoinsertanactiveSIMcardintotheEMIO-2550module,andtheninserttheEMIO-2550moduleintotheminiPCIeslot.Afterinstallingthemodule,connecttheprovidedantennatothemodule.Next,makesuretounpluganyLANcablesorUSBWi-Fidonglesyouhaveinstalled.Finally,powerontheAMOS-820.


TocheckthatthesystemhascorrectlydetectedtheEMIO-2550module,usethefollowingcommand:

dfg

Makesuretheprintoutmessageincludes“Bus001Device004:ID1545:1102U-BloxAG”.

Configurethe3GfunctionbycreatingaPPPconnectionwithrootprivilege.

OncethePPPconnectionhasbeencreated,connecttotheinternetthroughyourwebbrowser.

$ lsusb

$ pppd call Module-ZU200


22

4�4�2 EnablingGPSConfiguringtheGPSfunctionofthemodulerequirestheuseoftheMinicomserialcommunicationprogram.OpentheMinicomserialcommunicationprogramwiththefollowingcommand:

Connecttothe/dev/ttyUSB1serialdevicewiththefollowingsettings:

Serial port setting of EMIO-2550

Whenthesetupiscomplete,typethefollowingGPSATcommandsintoMinicom:AT+UGPRF=1,AT+UGRMC=1,AT+UGGSV=1,AT+UGZDA=1,andAT+UGPS=1,0

Waitforthe“OK”messagebeforesendingthenextATcommand.

UsetheMinicomtosettheserialdevice/dev/ttyUSB7inanotherterminalanditwilloutputthedatareceivedfromtheGPSmoduleasillustratedinthescreenshotbelow.

GPS NMEA message

$ minicom -s

+--------------------------------------------------------------+| A - Serial Device : /dev/ttyUSB1 || B - Lockfile Location : /var/lock || C - Callin Program : || D - Callout Program : || E - Bps/Par/Bits : 115200 8N1 || F - Hardware Flow Control : No || G - Software Flow Control : No |+--------------------------------------------------------------+

AT+UGPRF=1OKAT+UGRMC=1OKAT+UGGSV=1OKAT+UGZDA=1OKAT+UGPS=1,0OK

$GPRMC,142015,00,A,2501.93961,N,12133.66111,E,0.068,,030314,,,A*73$GPGSV,4,1,13,01,34,184,29,03,49,023,47,06,26,042,41,07,44,317,26*75$GPGSV,4,2,13,08,13,323,,11,60,192,,13,29,242,38,16,33,071,16*79$GPGSV,4,3,13,19,65,356,44,23,18,208,12,27,35,034,27,30,37,145,29*7B$GPGSV,4,4,13,32,01,154,*4B$GPZDA,142015.00,03,03,2014,00,00*62

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3-15-7 Ebisu MT Bldg. 6F,Higashi, Shibuya-kuTokyo 150-0011Japan


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