QUICK START GUIDE VIA AMOS-825

QUICK START GUIDE

VIA AMOS-825Linux EVK v3.0.4

1.00-10042018-154700

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VIA AMOS-825 Linux EVK v3.0.4 Quick Start Guide

Version Date Remarks1.00 10/04/2018 Initial release

Revision History

iii


Table of Contents1. Introduction �� 1

1�1 EVK Package Contents �� 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 �� 63.1 SettingUpU-BootParameters �� 63.2 RestoringDefaultU-BootParameters �� 83.3 UsingtheOpenEmbeddedConsole �� 83.4 ConfiguringFlexCAN �� 93.5 ConfiguringWatchdogTimer �� 103.6 ConfiguringRTC �� 113.7 ConnectingWi-Fi �� 113.8 EnablingBluetooth �� 12

3.8.1 SettingUpBluetoothA2DPProfile�� 123.8.2 SettingUpBluetoothSPPProfile �� 13

3.9 ConfiguringGPS �� 15

4. Accessories �� 164.1 ConfiguringtheVIAEMIO-2550miniPCIeMobileBroadbandModule �� 16

4.1.1 ConnectingtotheInternet �� 16

iv

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1� IntroductionThisQuickStartGuideprovidesanoverviewofhowtoboottheAndroidEVKsystemimageontheVIAAMOS-825system(Bareboard:VIAVAB-820withNXPi.MX6QuadCortex-A9processor)andconfigurethesupportedhardwarefunctioninthebuild.

TheVIAAMOS-825LinuxEVKv3.0.4isdevelopedbasedontheNXPfsl-yocto-3.14.28_1.0.0(Yocto1.7Dizzy)andenablesthehardwarefeaturesoftheVIAAMOS-825system.

1�1 EVK Package ContentsTherearethreefoldersinthepackagelistedasbelow.

VIA AMOS-825 Linux EVK contents

1�1�1 Firmware Folder Contentsvia-image-gui-imx6qamos825.sdcard:istheprecompiledimageforevaluatingtheVIAAMOS-825systemwithanOpenEmbeddedfilesystem.

u-boot.imx:istheU-BootbootloaderfilewhichcanbeflashedtoeithertheonboardSPIROMoraMicroSDcard�

zImage:isaself-extractingcompressedLinuxkernelimage.

zImage-imx6q-amos825.dtb:isthedevicetreebinary.ItisadatabasethatrepresentsthehardwarecomponentsoftheVIAAMOS-825system.

modules-imx6qamos825.tgz:containsthedriversfortheWi-Fi&BluetoothmoduleandtheVIAEMIO-2550miniPCIeMobileBroadbandmodule.

1�1�2 Document Folder ContentsAMOS-825_Linux_EVK_v3.0.4_Quick_Start_Guide_v1.00_20181004.pdf:ThisQuickStartGuideprovidesanoverviewofhowtoboottheLinuxEVKsystemimageontheVIAAMOS-825systemandconfigurethesupportedhardwarefunctioninthebuild.

1�1�3 Tools Folder ContentsBT_Config.zip:containstheBluetoothA2DPconfiguringfile.

Firmware folder Descriptionvia-image-gui-imx6qamos825.sdcard SDcardimageu-boot.imx U-BootbootloaderzImage KernelzImage-imx6q-amos825.dtb Device treemodules-imx6qamos825.tgz AllmoduledriversDocument folder DescriptionAMOS-825_Linux_EVK_v3.0.4_Quick_Start_Guide_v1.00_20181004.pdf

QuickStartGuide

Tools folder DescriptionBT_Config.zip BluetoothA2DPconfiguringfile

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1�2 VersionInformationandSupportedFeatures

• U-Bootversion:2014.04

• Kernel version: 3�14�28

• Evaluationimage:OpenEmbedded-corebuiltwithYocto1.7Dizzy

• DevelopmentbasedonNXPfsl-yocto-3.14.28_1.0.0(Yocto1.7Dizzy)

• SupportsSPIwitheMMCorMicroSDboot(default)

• Supports7”Projectivecapacitivetouchmonitor(800x480)(throughI2Cinterface)

• SupportsCOMasdebugport

• SupportstwoFlexCANTX/RX

• SupportsGigabitEthernet

• SupportsLine-outandMic-in

• SupportsIEEE802.11b/g/nWi-Fi

• SupportsBluetooth4.0

º A2DPandSPPprofile

• Supportsu-bloxMAX-7GPS/GNSSmodule

• SupportsVIAEMIO-2550miniPCIeMobileBroadbandmodule

• SupportsWatchdogtimer,andRTC

3


2� ImageInstallationThissectionexplainsthesetuprequirementsforbootingfromaMicroSDcardortheSPIROMandeMMC.

TheprecompiledU-bootandimageareprovidedinthe“Firmware”folder.

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

*Important: Makesureyouarewritingtothecorrectdeviceorthehostsystemenvironmentcouldbedamaged�

Next,ontheVIAAMOS-825,setthebootswitchtotheMicroSDpositionasshownbelow.

Micro SD/SPI boot switch diagram

InsertthepreparedMicroSDcardintotheVIAAMOS-825,connectthespecifiedtouchmonitor,andpowerontheVIAAMOS-825toinitiatethebootprocess.

Whenthebootprocessiscompleted,youwillseetheOpenEmbeddeddesktop.

$ sudo dd if=via-image-gui-imx6qamos825.sdcard of=/dev/<device name> bs=1M conv=fsync

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2�2 BootingfromtheSPIROMwitheMMCTheVIAAMOS-825supportsbootingfromtheSPIROMwhileloadingthekernelandrootfilesystemfromeMMC.

ThefirststepistopreparetheMicroSDcardwiththedefaultimagestoredonit,accordingtosection2.1.Next,copytheu-boot.imx and via-image-gui-imx6qamos825.sdcardfilesfromtheFirmwarefolderontoamassstoragedevicesuchasaUSBthumbdrive.MakesurethebootselectorissettoMicroSDboottheninserttheMicroSDcardandtheUSBthumbdriveintotheVIAAMOS-825.

Next,ontheVIAAMOS-825,setthebootswitchtotheMicroSDpositionasshownbelow.


TocheckthatthesystemhasbeencorrectlysetuptotheSPIROMasanMTDblockdevice,usethefollowingcommand:

PleasenotethatifyouhavepreviouslysavedtheU-Bootparameters,itisrecommendedtoclearthatareaoftheSPIROMwiththefollowingcommand:

ToflashtheU-BootbinaryfromthemassstoragedeviceontotheSPIROM,usethefollowingcommand:

TocopytherootfilesystemimagefromthemassstoragedeviceontotheeMMCstorage,usethefollowingcommand:

$ ls /dev/mtdblock*/dev/mtdblock0

$ sudo dd if=/dev/zero of=/dev/mtdblock0 bs=512 seek=1536 count=16

$ sudo dd if=u-boot.imx of=/dev/mtdblock0 bs=512 seek=2

$ sudo dd if=via-image-gui-imx6qamos825.sdcard of=/dev/mmcblk0 bs=1M

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Next,inordertobootfromtheSPIROMmakesurethebootswitchissettoSPIROMboot.


Next,connectthespecifiedtouchmonitor,andpoweronthedevicetoinitiatethebootprocess.

Whenthebootprocessiscompleted,youwillseetheOpenEmbeddeddesktop.

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3� HardwareFunctionsThissectionexplainshowtoenableandtestthehardwarefunctionsprecompiledintheVIAAMOS-825LinuxEVKincludingsettingU-Bootparameters,restoringdefaultU-Bootparameters,usingtheOpenEmbeddedconsole,configuringFlexCAN,configuringWatchdogtimer,configuringRTC,connectingWi-Fi,enablingBluetooth,andconfiguringGPS.

3�1 SettingUpU-BootParametersWhensettinguptheU-Bootparameters,thefirststepistoconnectthehostmachineandtheVIAAMOS-825throughtheCOMport.UseaserialportcommunicationprogramsuchasPuTTY,GtkTerm,orMinicomtoconfiguretheserialportsettingandconnecttothedebugconsole.ThereyouwillbeabletoseetheU-BootbootlogandadjustsettingsintheU-Bootconsole.

Serial port setting of host machine

COM port diagram

+------------------------------------------------------------+| A - Serial Device : /dev/ttymxc0 || 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 |+------------------------------------------------------------+

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Next,powerontheVIAAMOS-825toinitiatethebootprocess.Whenprompted,pressanykeytostopthebootprocessandentertheU-Bootconsoleasillustratedbythescreenshotbelow.

Debug console view of boot process

TolistthecurrentU-Bootparameters,usethefollowingcommand:

Tohavemoreinformationmakesuretheprintoutmessageincludes“bootcmd=runbootcmd_auto”.

Thedefault“bootcmd”parameterissettoautodetectthesystemlocationbyfirstattemptingtoloadthekernelfromtheMicroSDcard.IfitisnotdetecteditwillcontinuetobootfromtheeMMC.

Toloadthekernelfromthespecifieddevice,refertothetwoexamplesbelow.

ToloadthekernelfromtheMicroSDcard,usethefollowingcommands:

ToloadthekernelfromtheeMMC,usethefollowingcommands:

U-Boot 2014.04 (Oct 17 2015 - 18:49:13)AMOS825 ver:3.0.4

CPU: Freescale i.MX6Q rev1.5 at 996 MHzCPU: Temperature 30 CReset cause: PORBoard: MX6Q-AMOS825I2C: 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

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

Torestartthedevice,usethefollowingcommands:

3�3 UsingtheOpenEmbeddedConsoleThefirststepistoconnectthehostmachineandtheVIAAMOS-825throughtheCOMport.UseaserialportcommunicationprogramsuchasPuTTY,GtkTerm,orMinicomtoconnecttothedebugconsole.ThereyouwillbeabletoseetheU-BootbootlogandadjustsettingsintheU-Bootconsole.Next,powerontheVIAAMOS-825toinitiatethebootprocess.Whenthebootprocessiscompletedyouwillbepromptedtologin.

COM port diagram

Thedefaultaccountis“root”,withnopasswordset(justpressEnterwhenpromptedforpassword).

=> destroyenv=> reset

...Poky (Yocto Project Reference Distro) 1.7 imx6qamos825 /dev/ttymxc1imx6qamos825 login: root

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3�4 ConfiguringFlexCANTheCOM/CANportoftheVIAAMOS-825supportsdebugport(COM)andtwoCANbusports.TheCANbussupportsCANprotocolspecificationVersion2.0BwhiletheCOMsupportsTX/RXfordebuggingpurposesonly.ThefirststepistoconnecttheCOM/CANconvertercable.

Connecting COM/CAN conversion cable diagram

COM/CAN port diagram

COM/CAN port pinout table

Pin Signal1 CANH12 RX3 TX4 CANL25 GND6 CANL17 GND8 CANH29 VCC5

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

CANbus1iscan0andCANbus2iscan1.

TosettheCANbus1bitrate[BRT_value],usethefollowingcommand:

ToenabletheCANbus1,usethefollowingcommand:

TodisabletheCANbus1,usethefollowingcommand:

UsethecansendcommandtosendCANbus1data:

<ID>:DeviceIDofCANbus

<Data>:Sendoutdata

UsethecandumpcommandtoreceivedatafromCANbus1:

3�5 ConfiguringWatchdogTimerAWatchdogtimerisanelectronictimerthatisusedtodetectandrecoverfromsystemmalfunctions.

Thewdt_driver_test.outprovidesanapplicationtoconfiguretheWatchdogtimer.

ToenabletheWatchdogtimerwiththedefaulttimeout(60seconds),usethefollowingcommand:

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

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

Whenthevalueof“set_keep_alive”issmallerthanthevalueof“set_timeout”,thesystemwillnotreboot.

TodisabletheWatchdogtimer,usethefollowingcommand:

# ip link set can0 type can bitrate [BRT_value]

# ifconfig can0 up

# ifconfig can0 down

# cansend can0 <ID>#<Data>

# candump can0 &

$ /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

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3�6 ConfiguringRTCTheRTC(Real-TimeClock)keepstrackofthecurrenttimevalues.Thetimevaluesincludetheyear,month,date,hours,minutesandseconds.ToconfiguretheRTContheVIAAMOS-825,setthesystemtimewiththeLinuxdatecommandasintheexampleshownbelow.

Time value table

Forexample,thevalue061110072013meansJune11,201310:07.Thedatecommandalsoacceptsothertimeformats.Formoreinformation,usethefollowingcommand:

TowritethesystemtimetotheRTC,usethefollowingcommand:

ToreadtheRTCtime,usethefollowingcommand:

3�7 ConnectingWi-FiWhenthebootprocessiscompleted,clickonthe“Connection Manager”icontoconfigureWLAN.

Connection manager icon diagram

Whentheconnectioniscreated,connecttotheinternetthroughyourwebbrowser.

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

$ date --help

$ date mmddHHMMYYYY

$ hwclock -w -f /dev/rtc0

$ hwclock -r

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3�8 EnablingBluetoothThefollowingsectionexplainssettinguptheAdvancedAudioDistributionProfile(A2DP)andSerialPortProfile(SPP).

3�8�1 SettingUpBluetoothA2DPProfileToaddA2DPsupporttotheAMOS-825,firstcopyandreplacethepulseaudio-system.conf,bluetooth.conf to the/etc/dbus-1/system.dfolder.Next,copyandreplacethesystem.pafilestothe/etc/pulse/folder.ThesefilesarelocatedintheEVK/BT_ConfigfolderoftheBSP.

ToenabletheBluetoothservice,usethefollowingcommands:

Usethefollowingcommandstorunthe“bluetoothctl”toshowtheBluetoothMACaddressandsetuppairingmodefortheVIAVAB-820-Wmodule.

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

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ThedefaultaudiooutputsettingfortheVIAAMOS-825isLine-out.

Tolistalltheavailableaudiooutputdevices,usethefollowingcommands:

Fromtheoutput,wecanseethefollowing:

• 1=Line-out• 2=Bluetoothdevice

TosetuptheaudiooutputtoaBluetoothdevice,usethefollowingcommand:

*Note:IfyouwouldliketochangeaudiooutputafterenablingaBluetoothdevice,usethecommandsbelow:

TosetuptheaudiooutputtoLine-out,usethefollowingcommand:

3�8�2 SettingUpBluetoothSPPProfileTheVIAAMOS-825supportsSPPservermodeandSPPclientmode.

ToenabletheBluetoothservice,usethefollowingcommands:

Usethefollowingcommandstorunthe“bluetoothctl”toshowtheBluetoothMACaddressandsetuppairingmodefortheVIAVAB-820-Wmodule.

$ pactl list short sinks0 alsa_output.platform-sound.22.analog-stereo module-alsa-card.c s16le 2ch 44100Hz SUSPENDED1 bluez_sink.14_06_05_24_09_E3 module-bluez5-device.c s16le 2ch 44100Hz SUSPENDED

$ pacmd set-default-sink 1

$ pacmd set-default-sink 0

$ 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

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SPP server mode:

Ifyoudonotchangethelistenchannelnumber,theservicewillautomaticallyusethedefaultchannelnumber.Makesuretheserverorclientmodeisusingthesamebluetoothchannelnumber.

TosetuptheSPPservermodeandallowotherdevicestoconnect,usethefollowingcommands:

SPP client mode:

Ifyoudonotchangethelistenchannelnumber,theservicewillautomaticallyusethedefaultchannelnumber.Makesuretheserverorclientmodeisusingthesamelistenchannelnumber.

UsethefollowingcommandstosetuptheSPPclientmodeandrequestaconnectiontotheSPPserver.

UsethefollowingcommandstosetuptheSPPclientmodeandrequestaconnectiontoSPPserver.

Toopentheminicomserialcommunicationprogram,usethefollowingcommand:

Connecttothe/dev/rfcomm0serialdevicewiththefollowingsettings:

Serial port setting of VIA VAB-820-W module

StartaserialcommunicationprogramonthehostmachinewiththesamecommunicationsettingsusingtheappropriateBluetoothSPPdevice.AfterwardstheBluetoothSPPdeviceandtheVIAAMOS-825willbeabletocommunicatethroughtheprograms(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/rfcomm0 || 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 |+------------------------------------------------------------+

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3�9 ConfiguringGPSTheGPS-listenerprovidesanapplicationtoconfiguretheGPSfunction.ToenabletheGPSfunction,usethefollowing command:

ItwilloutputthedatareceivedfromtheGPSmoduleasillustratedinthescreenshotbelow.

GPS NMEA message

$ gps-listener

$GPRMC,142015,00,A,2501.93961,N,12133.66111,E,0.068,,030314,,,A*73$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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4� AccessoriesThissectionexplainshowtoinstallandconfigurethemoduleavailablefortheVIAAMOS-825system.

4�1 ConfiguringtheVIAEMIO-2550miniPCIeMobile BroadbandModuleTheVIAEMIO-2550miniPCIeMobileBroadbandmodulesupports3Gfunction.

4�1�1 ConnectingtotheInternetThefirststepistoinsertanactiveSIMcardintotheVIAEMIO-2550module,andtheninserttheVIAEMIO-2550moduleintotheminiPCIeslot.Afterinstallingthemodule,connecttheprovidedantennatothemodule.Next,makesuretounpluganyLANcablesorUSBWi-Fidonglesyouhaveinstalled.Finally,powerontheVIAAMOS-825.

Inserting the VIA EMIO-2550 module diagram

TocheckthatthesystemhascorrectlydetectedtheVIAEMIO-2550module,usethefollowingcommand:

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

Toconfigurethe3GfunctionbycreatingaPPPconnectionwithrootprivilege,usethefollowingcommand:

OncethePPPconnectionhasbeencreated,connecttotheinternetthroughyourwebbrowser.

$ lsusb

$ pppd call Module-ZU200

1F, 531 Zhong-zheng Road,Xindian Dist., New Taipei City 231Taiwan

Tel: 886-2-2218-5452Fax: 886-2-2218-9860Email: [email protected]

940 Mission CourtFremont, CA 94539,USA


Email: [email protected]

Taiwan Headquarters USA

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Tsinghua Science Park Bldg. 7No. 1 Zongguancun East Road,Haidian Dist., Beijing, 100084China

Tel: 86-10-59852288Fax: 86-10-59852299Email: [email protected]

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