National Instruments PCI-232/8 - Manual

National Instruments PCI-232/8 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

Page 2 – Related Documentation; Contributions; Gather What You Need to Get Started
Page 4 – Quick Start
Page 5 – Create Devices; MAKEDEV Example
Page 6 – Assign Serial Driver; setserial Example
Page 7 – Assign Serial Drivers Using PCI-485; Enable PCI Interrupt
Page 8 – Configuration; View Your Hardware Resources
Page 9 – FIFO Example; Transmit FIFO Trigger Level
Page 10 – Transceiver Mode
Page 11 – Test the Setup
Page 12 – Error Codes
Page 13 – Common Questions; What do I do if; does not work immediately or causes a
Page 15 – How can I use; Assign Driver

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322539A-01

NOTE TO USERS

SING

PCI S

ERIAL

WITH

INUX

This 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

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

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Summary

Page 2 - Related Documentation; Contributions; Gather What You Need to Get Started

Using PCI Serial with Linux 2 www.natinst.com Troubleshooting and Common Questions ...............................................12 Error Codes.......................................................................................12Common Questions .....................................................

Page 4 - Quick Start

Using PCI Serial with Linux 4 www.natinst.com Quick Start This section is for experienced Linux users who are familiar with the lspci and setserial tools. If you are not familiar with either of these tools or if you require a detailed explanation of the steps, skip to the next section, Setup . 1. If...

Page 5 - Create Devices; MAKEDEV Example

© National Instruments Corporation 5 Using PCI Serial with Linux Setup After you install the serial hardware (as shown in your PCI serial getting started manual), follow these steps to set up the interface. Create Devices Create a device for each port on your multiport interface. You only need to do...