Re: Help wanted - accessing a serial port from 4gl

Richard Moon wrote: > > We need to be able to have a 4gl program talk directly to a specific > serial port on an HP9000. We need to be able to send messages to this > port and receive data back from the device attached to it. > > The program will be run by many users concurrently so we need to be able > to buffer the data and detect which user incoming data is meant for. > > Presumably we could commission a C subroutine, but does any one know of > any other way to do this. Are there any software packages or shareware > that would do this job ? > > Thanks in advance, > > Richard Moon No, it sounds like you have to write a specific driver. Basically it sounds like the best solution is to write a daemon to watch the port and either send or recieve the messages from a queue. Then have another daemon read from the queue and react to it. Of course this all depends on what the device is, and what you want to do with it.... -Mikey