Computer Hardware User Manual

Multiplexer Driver Developer’s Guide

7.4 Data Transfer

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

WriteRequests to the

virtuals Ports

Function that calls from SerMux

Wrapper:

WrTimer()

WrWriteComplete()

SerMuxSendPort0

Send Control-Frames to

the Multiplexer Control

Port (Channel 0)

Function that calls from SerMux

Wrapper:

WrSendRequest()

Function that calls from SerPort0 :

EstablishDLC()

ReleaseDLC()

CloseDown()

SetModemStatus()

SendVersionCommand()

SendUAFrame()

Function that calls from ChkFrame:

SerPort0IndicateFrame()

SerPortIndicateFrame()