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322539A-01 © Copyright 1999 National Instruments Corp. All rights reserved. August 1999
NOTE TO USERS
USING PCI SERIAL WITH LINUXThis document contains instructions to help you install and configure the
National Instruments serial hardware for Linux. This document includes
information about the PCI-232/2, PCI-232/4, PCI-232/8, PCI-485/2,
PCI-485/4, PCI-485/8, PCI-232/2 Isolated, PCI-232/4 Isolated, PCI-485/2
Isolated, and PCI-485/4 Isolated interfaces.
This document assumes that you are already familiar with Linux.
Contents
Related Documentation...........................................................................2
Contributions...................................................................................2
Gather What You Need to Get Started....................................................2
Quick Start..............................................................................................4
Setup........................................................................................................5
Create Devices.................................................................................5
MAKEDEV Example...............................................................5
Find Interface Information...............................................................5
Assign Serial Driver.........................................................................6
setserial Example......................................................................7
Assign Serial Drivers Using PCI-485.......................................7
Assign Serial Drivers Using PCI Eight-Port Interfaces............7
Enable PCI Interrupt........................................................................7
Configuration..........................................................................................8
View Your Hardware Resources.....................................................8
Enable FIFO Buffers........................................................................8
FIFO Example..........................................................................9
Configure struct termios..................................................................9
Configure PCI-485..................................................................................10
Select Transceiver Mode.................................................................10
rs485 Example..........................................................................10
Lower Baud Rate Selection.............................................................10
Test the Setup..........................................................................................11