HP 9000 Series 300 Instrucciones de operación

Device

I/O

and User Interfacing

HP-UX Concepts and Tutorials

HP 9000 Series 300/800 Computers

Part

Number 97089-90057

FliOW

HEWLETT

a!e.

PACKARD

Hewlett-Packard Company

3404 East Harmony Road, Fort Collins, Colorado 80525

Legal Notices

The

information contained in

this

document

subject

change

without

notice.

Hewlett-Packard

makes

warranty

any

kind

with regard to this

manual,

including, but

not

limited to, the implied warranties

merchantability

and

fitness

for a particular purpose. Hewlett-Packard shall

not

liable for

errors

contained herein

direct, indirect, special, incidental

consequential

damages

in connection

with

the

furnishing, performance,

use of

this

material.

Warranty. A copy

the

specific

warranty

terms

applicable

your Hewlett-

Packard

product

and

replacement

parts

can

obtained

from your local Sales

and

Service Office.

This

document

contains information which

protected

by copyright. All

rights

are

reserved. Reproduction,

adaptation,

translation

without

prior

written

permission is prohibited, except as allowed

under

the

Restricted Rights Legend. Use, duplication

disclosure by

the

U.S. Govern-

ment

Department

of Defense

subject

restrictions as set forth in

para-

graph

(b)(3) (ii)

the

Rights in Technical

Data

and

Software clause in

FAR

52.227-7013.

Use of this

manual

and

flexible disc(s)

tape

cartridge(s) supplied for

this

pack

restricted

this

product

only. Additional copies

the

programs

can

made

for security

and

back-up purposes only. Resale of

the

programs

their

present

form

with

alterations, is expressly prohibited.

The

Regents of

the

University

California 1979, 1980, 1983

This

software

and

documentation

based in

part

the

Fourth

Berkeley Software

Distribution

under

license from

the

Regents of

the

University of California.

Printing History

This manual printing

date

and

part

number indicate its current edition.

The

printing

date

will change when a new edition is printed. Minor changes may

made

reprint without changing

the

printing date.

The

manual

part

number

will change when extensive changes are made.

September 1989

...

Edition

This edition supersedes manual

part

number

97089-90054.

The

current

edition contains all information previously contained

the

Device

I/O

and

the

Curses

and

Terminfo tutorials.

addition,

the

manual reflects

the

following changes:

• Examples in

the

Device

I/O

tutorial

have been

updated

reflect

changes for

the

7.0 release.

•

The

Curses

and

Terminfo

tutorial

now includes 16-bit

character

support.

•

The

NLS t.utorial has been removed

and

placed in a

separate

manual,

HP-UX

Native Language Support (97089-90058).

iii

Contents

Interfacing Concepts

Variation Between

Computer

Systems .

1-1

Manual Organization 1-2

DIL Interfacing Subroutines 1-3

Linking DIL

Routines.

1-3

Calling DIL Routines from Pascal 1-3

Calling DIL Routines from

FORTRAN

1-4

General Interface Concepts 1-5

Definition 1-5

Interface Functions 1-6

Handshake

I/O

. 1-7

Handshake

Output

1-7

Handshake

Input

1-7

HP-IB Protocol 1-8

The

-IB Interface 1-9

General

Structure

1-9

Handshake Lines 1-10

Bus Management Control Lines 1-13

ATN:

The

Attention Line 1-14

IFC:

The

Interface Clear Line 1-14

REN:

The

Remote Enable Line 1-14

EOI:

The

End

Identify

Line.

1-14

SRQ:

The

Service Request Line 1-15

The

GPIO

Interface 1-15

General-

Purpose

Routines

Background Basics 2-2

Interface Special Files . 2-2

Entity

Identifiers (eid) 2-2

Contents-1

Programming Model . . . . .

General-

Purpose

Routines . . .

Additional Series 300 Routines

Opening Interface Special

Files.

Closing Interface Special Files . .

Low-Level

Read/Write

Operations

Example

.........

Designing

Error

Checking Routines

The

errno Variable . . .

Using errno . . . . . .

The

errno.h Header File

Displaying

err

Error

Handlers .

Resetting Interfaces .

Locking

Interface

Controlling

I/O

Parameters

Setting

I/O

Timeout . .

Setting

Data

Path

Width

Setting Minimum

Data

Transfer

Rate

Setting

the

Read Termination

Pattern

Termination on

Byte

Count . . . .

Termination on Hardware Condition

Termination on

Data

Pattern

Disabling a Read Termination

Pattern

Determining Why a

Read

Terminated.

Example

...........

Interrupts

. . . . . . . . . . . . .

Series 300

and

800

Interrupt

Support

HP-IB

Interrupts

GPIO

Interrupts

io_on_interru

io_interrupt_ctl

Controlling the HP-IB Interface

Overview of HP-IB Commands

UNLISTEN

UNTALK

...

DEVICE

CLEAR

Contents-2

2-2

2-3

2-4

2-6

2-7

2-9

2-10

2-11

2-12

2-13

2-14

2-15

2-16

2-17

2-19

2-20

2-23

2-24

2-25

2-27

2-28

2-31

3-2

3-4

3-5

LOCAL LOCKOUT

SERIAL POLL ENABLE 3-5

SERIAL POLL DISABLE 3-5

TRIGGER

(Group Execute Trigger) 3-5

SELECTED DEVICE

CLEAR.

. 3-6

LOCAL . . . . . . . . 3-6

PARALLEL POLL CONFIGURE 3-6

PARALLEL POLL ENABLE 3-6

PARALLEL

POLL

DISABLE . 3-6

Overview of HP-IB DIL

Routines.

3-7

Standard

DIL Routines . . . 3-7

HP-IB:

The

Computer's Role 3-9

Ground Rules . . . . . . 3-9

Available Subroutines versus Controller Role . 3-9

Bus Citizenship: Surviving Multi-Device/Multi-Process

HP-IB . . . . . 3-11

io_lock

and

io_

unlock 3-12

io_burst . . . . . . 3-12

hpib_io . . . . . . 3-12

Opening

the

HP-IB Interface

File.

3-13

Sending HP-IB Commands 3-13

Errors While Sending Commands . 3-16

Changing

Parity

on Commands 3-17

Active Controller Role

.....

3-17

Determining Active Controller . 3-18

Setting Up Talkers

and

Listeners 3-19

Auto-Addressing . . . . . . 3-19

Using hpib_send_cmnd . . . 3-22

Calculating Talk

and

Listen Addresses 3-23

An Example Configuration 3-24

Remote Control of Devices 3-

Locking

Out

Local Control 3-25

Enabling Local Control 3-26

Triggering Devices

Transferring

Data

3-27

Data

Output.

. 3-27

Data

Input

3-29

Clearing

-IB Devices 3-30

Contents-3

Responding

Service Requests

Monitoring

the

SRQ Line . .

Processing

the

Service Request

Parallel

Polling.

. . . . . . .

Configuring Parallel Poll Responses

Disabling Parallel Poll Responses

Conducting a Parallel Poll . . . .

Errors During Parallel Polls . . .

Waiting For a Parallel Poll Response

Calculating

the

mask

Calculating

the

sense

Example

....

Serial Polling

...

Conducting a Serial Poll .

Errors During Serial Poll

Passing Control . . . . .

What

Control Is Not Accepted?

Errors While Passing Control

Controlling

the

ATN Line . . . . .

Changing

the

Interface Bus Address

System Controller Role . . . . .

Determining System Controller .

System Controller's Duties

hpib_abort

.......

hpib_ren_ctl . . . . . . . .

Errors During

hpib_abort

and

hpib_ren_ctl

The

Computer

As a Non-Active Controller

Checking Controller

Status

Requesting Service . . . . . . .

Errors While Requesting Service

Responding

Parallel Polls . . .

Calculating

the

Response . . .

Limitations of hpib_card_ppolLresp

Error

Conditions . . . . . .

hpib_ppolLresp_ctl.

. . . .

Disabling Parallel-Poll Response

Accepting Active Control . . .

Errors While Waiting on

Status

Contents-4

3-31

3-33

3-34

3-35

3-39

3-41

3-42

3-43

3-44

3-46

3-48

3-49

3-50

3-51

3-52

3-54

3-55

3-57

3-58

3-60

3-61

3-62

3-63

3-64

3-65

3-66

Determining When You Are Addressed . . . . . . .

Combining

I/O

Operations into a Single Subroutine Call

Iodetail:

The

I/O

Operation Template

The

Mode Component

The

Terminator Component

The

Count Component

The

Buf

Component

Allocating Space . . . .

Example

......

Locating

Errors

in Buffered

I/O

Operations

4. Controlling

the

GPIO Interface

Interface Configuration . . .

Creating

the

GPIO

Interface File

Interface Control Limitations

Using DIL Subroutines . . .

Resetting

the

Interface

Performing

Data

Transfers.

Using

Status

and

Control Lines

Driving CTLO

and

CTLI

Reading STIO

and

STll

. .

Controlling

Data

Path

Width

Controlling Transfer Speed

GPIO

Timeouts

Burst

Transfers

Read

Terminations . . . .

Determining Why a Read Operation Terminated

Specifying a Read Termination

Pattern

Interrupts

. . . . . . . . . . . . . . . . . .

A. Series 300 Dependencies

Location of

the

DIL Subroutines

Linking DIL Subroutines

The

GPIO

Interface

Data

Lines

...

Handshake Lines . . .

Special-

Purpose

Lines .

Data

Handshake Methods

3-67

3-72

3-73

3-75

3-76

3-77

3-79

4-1

4-2

4-3

4-4

4-5

4-6

4-7

4-8

4-9

A-I

A-2

A-3

Contents-5

Data-

Clock Source . . . . .

Creating

the

Interface Special File

Creating

the

Special File

pathname

major_number . . . .

minor_number . . . .

Creating

HP-IB Interface File

Creating a

GPIO

Interface

File.

Effects of Resetting (via io_reset) . .

Entity Identifiers . . . . . . . . .

Restrictions Using

the

DIL Subroutines

hpib_send_cmnd

hpib_status

io_reset . . .

io_speed_ctl .

io_timeout_ctl

Performance Tips

B. Series 800 Dependencies

Compiling Programs

That

Use DIL

Accessing

the

Interface Special Files

Major Numbers . . . . . . . .

Minor Numbers

and

Logical Unit Numbers

Listing Special Files

.........

Naming Conventions for Interface Special Files

Creating Interface Special

Files.

Hardware Effects on DIL Routines

hpib_rqst_srvce . . . . . . .

hpib_io

..........

hpib_atn_ctl, hpib-address_ctl, hpih_parity_ctl .

io_eoLctl .

io_reset . . .

io_speed_ctl .

io_timeout_ctl

io_width_ctl .

Return

Values for Special

Error

Conditions

DIL

Support

of HP-IB Auto-Addressed

Files.

hpib_card_ppolLresp . . . . . . . . . .

Contents-6

A-3

A-4

A-5

A-6

A-7

A-8

A-9

B-1

B-2

B-3

B-4

B-5

B-6

B-7

B-8

B-10

Otros manuales para 9000 Series 300

Este manual sirve para los siguientes modelos

Tabla de contenidos

Otros manuales de De oficina de HP

HP Compaq Presario Manual

HP D7171A - NetServer - LPr Manual de referencia

HP EliteDesk 480 G4 Instrucciones de instalación

HP D530 - Compaq Business Desktop Manual de usuario

HP Workstation xw3100 Guía de referencia

HP Pavilion elite d5200 - atx desktop pc Cómo utilizar

HP Pro 3500 Series Instrucciones de uso

HP Xw6400 - Workstation - 4 GB RAM Guía de referencia rápida

HP Net PC 20 Manual

HP Pavilion t600 - Desktop PC Manual de usuario

HP ProDesk 480 G7 PCI Instrucciones de instalación

HP Pro 3420 Manual de usuario

HP Kayak XA-s Series 02 Instrucciones de instalación

HP Compaq 8200 Elite Series Manual de operación y mantenimiento

HP Pavilion 13 x2 Manual

HP ProOne 490 G3 Instrucciones de instalación

HP Omni 105-5200 Manual de usuario

HP Kayak XA 05xx Guía

HP Compaq d330 ST Manual de usuario

HP Pavilion t206 Manual de usuario

HP Pro 3125 - Minitower PC Guía de configuración

HP Pavilion 23-a000 Manual de usuario

HP xw3400 - Workstation Guía de referencia

HP Pavilion a700 - Desktop PC Hoja de especificaciones

Manuales populares de De oficina de otras marcas

Asus

Asus E210 Series Manual de usuario

Dell

Dell Inspiron 600m Manual de usuario

Dell

Dell Inspiron 3662 Manual de usuario

TotalFlow

TotalFlow uFLO Manual de usuario

Logitech

Logitech MK320 Manual de usuario

Dell

Dell XPS 730 H2C Manual de usuario

Sony

Sony Vaio Series Manual de usuario

Sony

Sony VGC-LT32E - Vaio All-in-one Desktop Computer Manual de usuario

Alto

Alto MD 250 Manual de usuario

Lenovo

Lenovo ThinkCentre Edge 72 Manual

Lenovo

Lenovo ThinkStation D20 Manual

Arbor Technology

Arbor Technology FPC-7800 Series Manual de usuario

Sony

Sony VAIO VGX-TP1 Series Manual de usuario

Asus

Asus Eee Box B204 Manual de usuario

Dell

Dell Optiplex 9010 All In One Manual de usuario

Everex

Everex eXplora Manual de usuario

Lenovo

Lenovo ThinkCentre M75e Manual de usuario

Dell

Dell Alienware Area-51 R4 Manual de usuario