User's Manual

APV‐200CUserManual
AsiatelcoTechnologiesCo.Proprietary/Confidential 
3 Software Features
3.1 Basic Software
Items Requirement
AirInterface CDMA20001x800/1900MHz;GPS
1xData Supported
IPStack
Ipv4/IPV6
UpgradeMethod Remoteupdate /PCtool
RUIM Optional
CompatiblewithNone‐RUIM Supported
RemoteUpdate Supported
PowerModes Supported
ATCommand Supported
Report
Supported；3000records
Driver
GPIO，LED，GPS，UART
GPIOs Interrupt for Door Open Detect, Ignition
Status
LEDs GPSStatus,CDMAStatus
WatchDog Supported(CBP8.2integrated)
Reset Softreset
StartupBanner Supported
3.2 Remote Update
TheAPV‐200CsupportsOT AfieldupgradesoftheAPV‐200Cresidentapplication.Anoverthe
air TFTP (Trivial File Transfer Protocol) connection is made over a UDP/IP connection. A
replacementfileisthentransferredfromaservertotheAPV‐200Candthatfilereplacesthe
previousapplicationimage.
3.2.1 Auto Execute
TheAutoExecuteUtilitycopiesthecontentsoffilesystem.exfintosystemexecutableRAM
andexecutesitfromthere.Thisfileisthefactorydefaultapplication.Anotherfilenamed
custom.exfcanbeloadedintothefilesystem.
AutoExecutewilllookfirstforafilenamedupdate.exfand loadandexecute
thatinplaceof
custom.exfifitexists.Ifupdate.exfexecutessuccessfully,theprevious copyofcustom.exfis
deletedfromthefilesystemandupdate.exfisrenamedtocustom.exf.
3.3 Power Modes
The APV‐200C device supports several power modes that are set by the power mode
command. In full power mode the cellular subsystem will maintain a persistent cellular
connectionwheneverserviceisavailableaswellasanIPconnectionwhereavailable.
Anyhardwareorsoftwareresetwillinterruptanypowermode
andreturnthedevicetofull
powermode. Insummary,theconditionspermanentlyrestoringfullpowermodeinclude: