用户手册 — National Instruments PCI-485/8

目录

• Using PCI Serial with Linux

  1
• Contents

  1
• 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

      6
    • 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
    • Table 1. tx_trigger Values

      9
    • Table 2. rx_trigger Values

      9
    • FIFO Example

      9
  • Configure struct termios

    9
• Configure PCI-485

  10
  • Select Transceiver Mode

    10
    • Table 3. Transceiver Mode Values

      10
    • rs485 Example

      10
  • Lower Baud Rate Selection

    10
• Test the Setup

  11
• Troubleshooting and Common Questions

  12
  • Error Codes

    12
  • Common Questions

    13
• Assign Driver

  15
• Sample /etc/rc.d/rc.serial File

  17