Multiplexer Driver Developer’s Guide | Siemens 7 instruction

Multiplexer Driver Developer’s Guide

7.4 Data Transfer

s

7.4.2Block Flow Diagram for Data Sent to the Module via Virtual Port

Send Request Flow of a virtual Channel with

scanning of Break Signal '+++'

only the schema

WrSendRequest()

ReadIntervalTime=0

TotalTIme=0

ScanFlags=0

PlusNb=0

TimeStamp=ActualTimerTick

DlistInsertHead

SerMuxSend()

end

Figure 7: Block flow diagram for data sent to the module via a virtual port

Mux_Drv_DevGuide_v07	Page 31 of 36	2006-9-27
Confidential / Released

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Siemens 7 manual Multiplexer Driver Developer’s Guide

Contents

User’s Guide Copyright General Notes Contents Multiplexer Driver Developer’s Guide List of Tables Tables List of Figures Figures Document History Chapter What is newDocument History Multiplexer Driver Developer’s Guide Introduction Introduction Supported Product Versions Supported Product Versions Abbreviation Description Related DocumentsAbbreviations Related Documents Architecture Hierarchy Chart in the SystemArchitecture User Handling of the Physical Serial Port Signal DescriptionHandling of the Physical Serial Port Module Detection Limitation of Virtual Ports Handling of Control Lines on Virtual PortsHandling of Control Lines on Virtual Ports Module Initializing Sequence Command Response Function Associated Registry ValueModule Initializing Sequence Module Re-initialization Power DownPower Down on PC Suspend Power Down after Closing the Last Port Power Down Power Down on PC Shutdown Installation InstallationFiles Required for WinMux2k Driver Installation Installing the WinMux2k Driver Windows XP new desktop, not the classic desktop Deinstalling the DriverDeinstalling the Driver Windows Settings on the Serial Multiplexer Properties Device Settings and PropertiesDevice Settings and Properties Settings Stored in the Windows Registry Settings Stored in the Windows RegistryValue Data Example Properties TC45, XC18 only Multiplexer Driver Developer’s Guide Values Data Example Properties Settings for Applications Settings for ApplicationsDial-up Network Settings Fax Settings Compiler Flags Translate Source CodeSoftware Requirements Preparing the Translation Interaction of the Different Driver Objects Additional Source DocumentationAdditional Source Documentation Internal Driver States Internal Driver States Buffer Handling Buffer Handling To th e S e rM u x O b je c t a re in d ic a te d Data Transfer Multiplexer Driver Developer’s Guide SerMuxSend and SerMuxSendPort0 Functions SerMuxSend Function Start +++-Parser +++-Parser Standby of the Operating System Known ProblemsBooting Operating System Shutdown of the Operating System Special Environments Special EnvironmentsOperation on Virtual USB Port Automatic Shutdown in case of Emergency