xMBMInternalHandle Struct Reference

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Detailed Description

Every MODBUS master instance has a handle which contains pointers to functions and a buffer for assembling MODBUS frames.

For internal use only.

Data Fields
xMBPTimerHandle	xRespTimeoutHdl
xMBPEventHandle	xFrameEventHdl
xMBMFrameHandle	xFrameHdl
UBYTE	ubIdx
USHORT	usFrameMBPDULength
UBYTE *	pubFrameMBPDUBuffer
peMBMFrameSend	pFrameSendFN
peMBMFrameReceive	pFrameRecvFN
peMBMFrameClose	pFrameCloseFN

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Field Documentation

peMBMFrameClose xMBMInternalHandle::pFrameCloseFN

Pointer to a function used for shutdown.

peMBMFrameReceive xMBMInternalHandle::pFrameRecvFN

Pointer to a function used to receive MODBUS frames.

peMBMFrameSend xMBMInternalHandle::pFrameSendFN

Pointer to a function used to transmit MODBUS frames.

UBYTE* xMBMInternalHandle::pubFrameMBPDUBuffer

Buffer to assemble MODBUS PDUs.

UBYTE xMBMInternalHandle::ubIdx

The internal index used to lookup handles.

USHORT xMBMInternalHandle::usFrameMBPDULength

The size of the request or response FRAME.

xMBPEventHandle xMBMInternalHandle::xFrameEventHdl

Receives MBM_EV_SENT, MBM_EV_TIMEOUT and MBM_EV_RECEIVED events.

xMBMFrameHandle xMBMInternalHandle::xFrameHdl

Private data for the ASCII/RTU or TCP implementations.

xMBPTimerHandle xMBMInternalHandle::xRespTimeoutHdl

Timer for implementing the response timeout.

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(C) 2007 Embedded Solutions. Last updated on 14 Jun 2015.