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Options for Using the LabWindows/CVI ComCallback with Serial Interfaces I am using the ComCallback in LabWindows/CVI to access a serial port. There are three different Event Masks for the InstallComCallback function call: LWRS_RXCHAR, LWRS_RXFLAG, and LWRS_RECEIVE. These Event Masks are used to specify the events that URL: http://digital.ni.com/public.nsf/allkb/96D5CA4F03EDBC3686256D9100495C0F

What do I Need to Develop CAMAC Module Instrument Drivers? I would like to control some CAMAC modules from a PC, but cannot find instrument drivers for my particular modules on the Instrument Driver Network (IDNET) I noticed that some of the other instrument drivers for CAMAC modules use GPIB commands. What sort of software/hardware do you recommend URL: http://digital.ni.com/public.nsf/allkb/862567530005F09C862565D40011A0F7

RS-232 Function ComRdTerm Incorrectly Sets rs232err to -99 When using the RS-232 ComRdTerm function, if the specified termination character is read from the in queue buffer, the function should return with the data received and the rs232err global variable should be set to zero. It is incorrectly being set to -99 which states that URL: http://digital.ni.com/public.nsf/allkb/265D743ECD71677A86256107004F24F0