ST_GENIbusMessageQueue

Command buffer.

TYPE ST_GENIbusMessageQueue :
STRUCT
  arrBuffer                    : ARRAY[1..GENIBUS_COMMAND_BUFFER_ENTRIES] OF ST_GENIbusMessageQueueItem;
  byBufferReadPointer          : BYTE;
  byBufferWritePointer         : BYTE;
  byBufferDemandCounter        : BYTE;
  byBufferMaximumDemandCounter : BYTE;
  uiBufferOverflowCounter      : UINT;
  bLockSemaphore               : BOOL; 
END_STRUCT
END_TYPE

Name	Type	Description
arrBuffer	ARRAY OF ST_GENIbusMessageQueueItem	Command buffer
byBufferReadPointer	BYTE	Pointer to the current buffer element of the command memory.
byBufferWritePointer	BYTE	Pointer to the current buffer element of the receive memory.
byBufferDemandCounter	BYTE	Current buffer demand.
byBufferMaximumDemandCounter.	BYTE	Maximum buffer demand.
uiBufferOverflowCounter	UINT	Number of buffer overflows.
bLockSemaphore	BOOL	Write protection during the processing of a command.

Requirements

Development environment	PLC library to include
TwinCAT from v3.1.4020.14	Tc2_GENIbus from v3.3.0.0