Siemens 7 - Manual (Page 32)

Multiplexer Driver Developer’s Guide
7.4 Data Transfer
s
Mux_Drv_DevGuide_v07 Page 32 of 36 2006-9-27
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7.4.3 SerMuxSend Function
The figure shows the flow diagram of the SerMuxSend function which sends the data to the module.
Figure 8: SerMuxSend function
SerMuxSend and SerMuxSendPort0 Functions
Locations from where to call the SerMuxSend Functions
SerMuxSend
Send UIH-Frames from
W riteRequests to the
virtuals Ports
Function that calls from SerMux
W rapper:
W rTimer()
W rW riteComplete()
SerMuxSendPort0
Send Control-Frames to
the Multiplexer Control
Port (Channel 0)
Function that calls from SerMux
Wrapper:
W rSendRequest()
Function that calls from SerPort0 :
EstablishDLC()
ReleaseDLC()
CloseDown()
SetModemStatus()
SendVersionCommand()
SendUAFrame()
Function that calls from ChkFrame:
SerPort0IndicateFrame()
SerPortIndicateFrame()