Tektronix Keithley ASO for CTM Quick Start Guide

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ASO-CTM Quick Start

USER’S GUIDE

ASO-CTM Quick Start

User’s Guide

Revision B – July 1996

Part Number: 87690

New Contact Information

Keithley Instruments, Inc.

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Cleveland, OH 44139

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All rights reserved. Reproduction or adaptation of any part of this documentation beyond that permitted by Section 117 of the 1976 United States Copyright Act without permission of the Copyright owner is unlawful.

Keithley MetraByte Division

Keithley Instruments, Inc.

440 Myles Standish Blvd. Taunton, MA 02780

FAX: (508) 880-0179

Telephone: (508) 880-3000

Preface

The ASO-CTM Quick Start User’s Guide describes how to get started writing programs for CTM-10 and CTM-05/A boards using the CTM-05/CTM-10 Function Call Driver. A 16-bit version of the CTM-05/CTM-10 Function Call Driver is part of the CTM-05/A & 10 Advanced SW software (for Windows  3.1 and Windows 3.11 for Workgroups). A 32-bit version of the CTM-05/CTM-10 Function Call Driver is part of the ASO-CTM Win 95 32-Bit Drivers software (for Windows 95 only).

The ASO-CTM Quick Start User’s Guide is intended for programmers using a CTM-10 or CTM-05/A board in an IBM



PC AT



or compatible computer. It is assumed that users are familiar with counter/timer and digital I/O principles and have read the CTM-10 and CTM-05/A User’s

Guide to familiarize themselves with the board’s features.

The ASO-CTM Quick Start User’s Guide is organized as follows:

●

The CTM Disks describes the contents of the disks shipped with the

CTM-10 and CTM-05/A boards.

●

Setup and Installation describes how to install the software, how to

conﬁgure the boards, and how to use the control panel to test the boards.

●

Summary of Functions contains a brief description of each of the

CTM-05/CTM-10 Function Call Driver functions. Refer to the CTM FCD online help for a more detailed description of the functions. (Both the 16-bit and 32-bit drivers offer the same set of functions.)

●

Programming Flow Diagrams contains a series of ﬂow diagrams

showing the steps required to perform each of the operations supported by the CTM-05/CTM-10 Function Call Driver. Refer to the CTM FCD online help for a more detailed description of the required procedures.

Table of Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

The CTM Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Setup and Installation

Installing the Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Conﬁguring the Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Using the Conﬁguration Utility. . . . . . . . . . . . . . . . . . . . . . . . . 6

Setting Switches and Jumpers on the Boards . . . . . . . . . . . . . . 8

Using the Control Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Summary of Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Programming Flow Diagrams

Preliminary Steps for All Operations. . . . . . . . . . . . . . . . . . . . . . 15

Steps for Event Counting Operations. . . . . . . . . . . . . . . . . . . . . . 16

Steps for Frequency Measurement Operations . . . . . . . . . . . . . . 18

Steps for Pulse Output Operations. . . . . . . . . . . . . . . . . . . . . . . . 21

Steps for Digital Input and Digital Output Operations . . . . . . . . 23

List of Tables

Table 1. Configuring CTM-10 and CTM-05/A Boards. . . . . 5

Table 2. Default Configuration . . . . . . . . . . . . . . . . . . . . . . . 6

Table 3. Summary of Functions. . . . . . . . . . . . . . . . . . . . . . 11

iii

The CTM Disks

CTM-10 and CTM-05/A boards are shipped with the following disks:

CTM-10/05A Mode Software - Use this disk for DOS application

●

programs and for older Windows programs that use the Port I/O software (PORTIO.DLL). Copy the ﬁles from this disk to an appropriate directory. For more information, refer to FILES.TXT, which lists and describes all the copied ﬁles; PORTIO.TXT, which describes how to use the Port I/O software; and README.TXT. The

ASO-CTM Quick Start User’s Guide is not intended for use with this

software package.

CTM-05/A & 10 Advanced SW (16-bit software package) - Use

●

this disk for all 16-bit programs that use the CTM-05/CTM-10 Function Call Driver. The ASO-CTM Quick Start User’s Guide is intended for use with this software package.

●

ASO-CTM Win95 32-Bit Drivers (32-bit software package) - Use

these two disks for all 32-bit, Windows 95-based programs that use the CTM-05/CTM-10 Function Call Driver. The ASO-CTM Quick

Start User’s Guide is intended for use with this software package.

The CTM-05/A & 10 Adv anced SW package is intended for programmers using the following 16-bit, Windows-based programming languages running under Windows 3.1, Windows 3.11 for Workgroups, or Windows 95:

●

Microsoft Borland

●

Microsoft Visual Basic

●



Visual C++  (Version 1.5x)



C/C++ (Versions 4.0 and 4.5)



for Windows, Version 3.0 and Version 4.0 (16-bit version, available only with the Professional and Enterprise Editions)

The ASO-CTM Win95 32-Bit Drivers package is intended for programmers using the following 32-bit, Windows − based programming languages running under Windows 95:

Microsoft Visual C++ (Version 4.1)

●

Borland C/C++ (Version 5.0)

●

Microsoft Visual Basic for Windows, Version 4.0 (32-bit version, available with all editions)

Note:

Unless otherwise noted, references to the CTM-05/CTM-10

Function Call Driver include both the 16-bit and 32-bit drivers.

2 The CTM Disks

Setup and Installation

Before you use the CTM-05/CTM-10 Function Call Driver to program your CTM-10 and CTM-05/A boards, perform the following tasks:

1. Unpack and inspect your CTM-10 and CTM-05/A boards. Refer to the CTM-10 and CTM-05/A User’s Guide for information.

2. Install the software package that is appropriate to your operating system and programming environment. Refer to the next section, "Installing the Software," for installation instructions.

3. Conﬁgure your CTM-10 and CTM-05/A boards by specifying the appropriate conﬁguration options in the CTM-05/CTM-10 Conﬁguration Utility and by setting the jumpers and switches on the boards appropriately . Refer to “Conﬁguring the Boards” on page 5 for information.

4. Install the CTM-10 and CTM-05/A boards in your computer and attach the appropriate signals. Refer to the CTM-10 and CTM-05/A

User’s Guide for information.

5. Test the functions of the CTM-10 and CTM-05/A boards using the CTM-05/CTM-10 Control Panel. Refer to “Using the Control Panel” on page 9 for information.

6. Look at the example programs provided with your software package. Refer to the FILES.TXT ﬁle in the installation directory for a list and description of the example programs.

Installing the Software

To install the software, perform the following steps:

1. Make a back-up copy of the appropriate disk (CTM-05/A & 10 Advanced SW for 16-bit programs or ASO-CTM Win95 32-Bit Drivers for 32-bit programs). Use the copy as your working disk and store the original as a backup disk.

2. Insert the disk into the disk drive.

3. Start Windows, if necessary.

4. Invoke the SETUP.EXE installation utility. Assuming that you are using disk drive A, click Run on the File menu

(for Windows 3.1 or Windows 3.11 for Workgroups) or on the Start menu (for Windows 95), type the following at the command line in the Run dialog box, and click OK :

A:SETUP

The installation program prompts you for your installation preferences, including which languages you will be using and the drive and directory where you want to copy the software.

Note:

If you want to use both the 16-bit and 32-bit software packages, make sure that you install them in different directories because the ﬁle names are exactly the same for both versions . The installation programs assign different titles only to the program groups.

5. Respond to the prompts, as appropriate. When the installation program prompts you for a drive designation,

enter the appropriate drive or accept the default drive C. When the installation program prompts you for a directory name, enter the appropriate name or accept the default name.

The installation program creates a directory on the speciﬁed drive and copies all ﬁles, expanding any compressed ﬁles. The installation program also creates a program group for the software package, which contains icons for the CTM-05/CTM-10 Conﬁguration Utility , CTM-05/CTM-10 Control Panel, example Windows programs, and CTM-05/CTM-10 Function Call Driver online help.

6. When the installation program notiﬁes you that the installation is complete, review the following:

– Files.Txt lists and describes all the ﬁles copied to the hard disk by

the installation program.

– Readme.Txt contains last-minute information that was not

included in the online help ﬁle.

4 Setup and Installation

– CTM FCD Help provides the information needed to write

programs for CTM-10 and CTM-05/A boards using the CTM-05/CTM-10 Function Call Driver.

Conﬁguring the Boards

You can conﬁgure the following items for CTM-10 and CTM-05/A boards:

Board name

●

Base address Time base

●

Interrupt level(s)

Table 1 lists the items that are conﬁgurable for each CTM-10 or CTM-05/A board, the available options, and whether you set the options by using the CTM-05/CTM-10 Conﬁguration Utility, by setting switches and jumpers on the boards, or by both.

Table 1. Conﬁguring CTM-10 and CTM-05/A Boards

Where Options are Set

Attribute Options

Board name CTM-05/A, CTM-10 4 Base address

100h to 3F8h 4 4 Time base 1 MHz, 5 MHz 4 Interrupt level(s)

Utility: 0 (disabled), 3, 5, 7, 10, 11, 15

Onboard: X (disabled), 2, 3, 4, 5, 6, 7

Notes

For a CTM-10, the base address is the ﬁrst of eight consecutive address locations; for a CTM-05/A,

the base address is the ﬁrst of four consecutive address locations. The setting in the conﬁguration utility must match the setting of the Base Address DIP switch (S1) on the board.

For a CTM-10, you set two interrupt levels - one for each counter/timer device on the board. If you

are not using interrupts, you must disable them in the conﬁguration utility and on the IRQ Level jumper (J3) on the board. If you are using interrupts, you must set a level in the utility and on the board; however, the levels do not have to match.

Utility Onboard

4 4

Using the Conﬁguration Utility

The CTM-05/CTM-10 Function Call Driver requires that you specify the conﬁguration options for each CTM-10 or CTM-05/A board you are using in the CTM-05/CTM-10 Conﬁguration Utility. The conﬁguration utility is provided in the 16-bit and 32-bit software packages.

The conﬁguration utility differentiates between physical boards and logical boards. The ﬁrst physical board (CTM-10 or CTM-05/A) that you conﬁgure with the conﬁguration utility is physical board 1, the second physical board that you conﬁgure is physical board 2, and so on. Each counter/timer device (Unit A or Unit B) and each digital I/O port (Port A or Port B) on a physical board is a separate logical board. For example, if you are using three CTM-10 boards, you conﬁgure three physical boards (1, 2, and 3) and six logical boards. Unit/Port A on physical board 1 is logical board 0, Unit/Port B on physical board 1 is logical board 1, Unit/Port A on physical board 2 is logical board 2, and so on.

By default, the conﬁguration utility assumes that you are using one CTM-05/A, conﬁgured as shown in Table 2.

Table 2. Default Conﬁguration

Attribute Default Conﬁguration

Physical board number 1 Board name CTM-05/A Base address 300h Unit/Port A Logical board 0 Unit/Port B Not applicable Time base 1 MHz Interrupt level (Unit/Port A) 0 (disabled) Interrupt level (Unit/Port B) Not applicable

6 Setup and Installation

If you are using one CTM-05/A board and the default options are appropriate for your application, you can skip the rest of this section. If you are using additional boards and/or if the default options are not appropriate for your application, you must use the CTM-05/CTM-10 Conﬁguration Utility (CFGCTM05.EXE) to modify the conﬁguration options.

To use the conﬁguration utility, perform the following steps:

1. Invoke the CTM-05/CTM-10 Conﬁguration Utility as appropriate to your operating system:

– Windows 3.1 or Windows 3.11 for Workgroups - From the

ASO-CTM program group in Windows Program Manager, double-click the CTM-05/CTM-10 Conﬁguration Utility icon.

– Windows 95 - Click Start , point to Programs and then to the

appropriate CTM-05/CTM-10 program folder. Click the CTM-05/CTM-10 Conﬁguration Utility icon.

The software displays the CTM-05/CTM-10 Conﬁguration panel with the default conﬁguration options shown.

2. Modify the conﬁguration options for physical board 1. The physical board number is displayed next to Number . The logical board number(s) are displayed in the Logical Brd Assignment box.

For more information about the meaning of the conﬁguration options, refer to the online help.

3. If you want to conﬁgure another physical board, click the Number up-arrow. The software asks you to conﬁrm that you want to conﬁgure another physical board; go to step 4.

If you do not want to conﬁgure another physical board, go to step 7.

4. Click Yes . The software updates the physical and logical board numbers.

5. Modify the conﬁguration options for the next physical board.

6. Repeat steps 3 to 5 for any additional boards you want to conﬁgure.

Note:

At any time, you can click New on the File menu to return all

options to their default settings.

7. To save the new settings without exiting the conﬁguration utility, click Save on the File menu.

To save the new settings and exit the conﬁguration utility, click Save

and exit .

To exit the conﬁguration utility without saving the new settings, click

Exit .

Note:

store your conﬁguration options. Do not modify CTSHELL.INI directly. Always use the conﬁguration utility to change your conﬁguration options, when necessary.

The conﬁguration utility creates a ﬁle called CTSHELL.INI to

Setting Switches and Jumpers on the Boards

Use the Base Address DIP switch (S1) to specify a base address from 100h to 3F8h. For a CTM-10, the base address is the ﬁrst of eight consecutive address locations; for a CTM-05/A, the base address is the ﬁrst of four consecutive address locations. The setting of the Base Address DIP switch must match the base address setting in the CTM-05/CTM-10 Conﬁguration Utility.

If desired, you can use the Show Switch button in the conﬁguration utility to display the switch setting corresponding to the setting you selected in the conﬁguration utility. You can use this display as a reference when setting the switch on the board.

If you are planning to use interrupts, use the IRQ Level jumper (J3) to set an interrupt level of 2, 3, 4, 5, 6, or 7. Note that the interrupt le vel does not have to match the interrupt level setting in the CTM-05/CTM-10 Conﬁguration Utility.

If you are not planning to use interrupts, you can disable interrupts by setting the IRQ Level jumper to the X position.

Refer to the CTM-10 and CTM-05/A User’s Guide for more information about setting switches and jumpers on the boards.

8 Setup and Installation

Using the Control Panel

The CTM-05/CTM-10 Control Panel, shipped with the ASO-CTM software packages, is a utility program that allows you to test the functions of your CTM-10 and CTM-05/A boards.

To use the control panel, perform the following steps:

1. Invoke the CTM-05/CTM-10 Control Panel as appropriate to your operating system:

– Windows 3.1 or Windows 3.11 for Workgroups - From the

ASO-CTM program group in Windows Program Manager, double-click the CTM-05/CTM-10 Control Panel icon.

– Windows 95 - Click Start , point to Programs and then to the

appropriate CTM-05/CTM-10 program folder. Click the CTM-05/CTM-10 Control Panel icon.

The software displays the Setup Information panel for logical board

0. The board name, base address, interrupt level, and time base for logical board 0 are shown.

2. Under Board Number , click the number of the logical board you want to test. The software updates the board information as appropriate.

3. At the bottom of the control panel, click the tab that indicates the operation you want to perform ( EC for event counting, FM for frequency measurement, PO for pulse output, or DIO for digital I/O). The software displays the panel for the operation you selected.

4. Set up the operation appropriately. For more information, refer to the online help.

5. Click Start to perform the operation. The results of the operation are displayed on the panel.

6. If necessary, click Stop to stop the operation.

7. If you want to perform another operation, repeat steps 3 through 6. If you want to test another board, click the Setup tab at the bottom of

the control panel and then repeat steps 2 through 6.

8. To exit the control panel, click Exit on the File menu.

Summary of Functions

The functions included in the CTM-05/CTM-10 Function Call Driver are described in Table 3. These functions are included in both the 16-bit and 32-bit drivers. Refer to the CTM FCD online help for details.

Table 3. Summary of Functions

Type of Function Name of Function Description

Initialization CT_OpenDriver Initializes a Function Call

Driver.

CT_CloseDriver Closes a Function Call

Driver. CT_GetDevHandle Initializes a board. CT_FreeDevHandle Frees a device handle. CT_DevInit Reinitializes a board.

Frame management CT_GetECFrame Accesses an event counting

frame. CT_GetFMFrame Accesses a frequency

measurement frame. CT_GetPOFrame Accesses a pulse output

frame. CT_FreeFrame Frees a frame. CT_ClearFrame Sets frame elements to

default values.

Table 3. Summary of Functions (cont.)

Type of Function Name of Function Description

Operation CT_Start Starts a single-frame

counter/timer operation. CT_Status Gets the status and value of a

single-frame counter/timer

operation. CT_Stop Stops a single-frame

counter/timer operation. CT_StartMultiple Starts a multiple-frame

counter/timer operation. CT_StatusMultiple Gets the status and value of a

multiple-frame counter/timer

operation. CT_StopMultiple Stops a multiple-frame

counter/timer operation.

Interrupt CT_IntEnable Enables the generation of a

Windows event. CT_IntDisable Disables the generation of a

Windows event.

Event counting CT_SetChn Speciﬁes the counter/timer

channel used to count events. CT_SetEdgePol Speciﬁes the type of events

to count. CT_SetECMode Speciﬁes the event counting

mode (continuous or

counted), the size of the

counter (16 bits or 32 bits),

and the number of events to

count (counted mode only). CT_SetGateEnable Enables/disables an external

gate. CT_SetGatePol Speciﬁes the gate polarity. CT_SetStartTrigEnable Enables/disables an external

trigger. CT_SetStartTrigPol Speciﬁes the trigger polarity.

12 Summary of Functions

Table 3. Summary of Functions (cont.)

Type of Function Name of Function Description

Frequency measurement

CT_SetChn Speciﬁes the counter/timer

channel used to count events. CT_SetFMPeriodChn Speciﬁes the counter/timer

channel used to keep track of

the sampling period. CT_SetEdgePol Speciﬁes the type of events

to count. CT_SetFMMode Speciﬁes the frequency

measurement mode (single or

continuous). CT_SetPeriod Speciﬁes the sampling

period. CT_GetPeriod Gets the sampling period. CT_SetGateEnable Enables/disables an external

gate. CT_SetGatePol Speciﬁes the gate polarity. CT_SetStartTrigEnable Enables/disables an external

trigger. CT_SetStartTrigPol Speciﬁes the trigger polarity.

Pulse output CT_SetChn Speciﬁes the counter/timer

channel from which pulses

are generated. CT_SetPOMode Speciﬁes the type of pulse

output (continuous or single). CT_SetPOHigh Speciﬁes the length of the

ﬁrst (high) pulse. CT_SetPeriod Speciﬁes the length of the

period. CT_GetPOHigh Gets the length of the ﬁrst

(high) pulse. CT_GetPeriod Gets the length of the period. CT_SetGateEnable Enables/disables an external

gate.

Table 3. Summary of Functions (cont.)

Type of Function Name of Function Description

Pulse output (continued)

Digital input/output CT_DIRead Reads a single digital input

Miscellaneous CT_GetErrMsg Gets the address of an error

CT_SetGatePol Speciﬁes the gate polarity. CT_SetStartTrigEnable Enables/disables an external

trigger. CT_SetStartTrigPol Speciﬁes the trigger polarity.

value. CT_DOWrite Writes a single digital output

value.

message string. CT_GetVer Gets revision numbers. CT_GetShellVer Gets the current shell

version.

14 Summary of Functions

Programming Flow Diagrams

This section contains a series of programming ﬂow diagrams showing the steps required to perform each of the operations supported by the CTM-05/CTM-10 Function Call Driver. Although error checking is not shown in the ﬂow diagrams, it is recommended that you check the error/status code returned by each function used in your application program.

Preliminary Steps for All Operations

Install all required ﬁles

Declare and initialize

program variables

Initialize the driver

(CT_OpenDriver)

Initialize a board

(CT_GetDevHandle)

Using

another

board?

Perform the steps appropriate to

your operation (see the

operation-speciﬁc ﬂow diagrams)

Yes

Steps for Event Counting Operations

Access a frame

(CT_GetECFrame)

Performing

another event

counting

operation?

Specify the event counting mode for each frame (operation)

(CT_SetECMode)

Specify the channel for each frame (operation)

(CT_SetChn)

Specify the type of events to count f or each frame (oper ation)

(CT_SetEdgePol)

Using an

external

gate?

Yes

Enable the external gate

and specify the polarity

(CT_SetGateEnable and

CT_SetGatePol)

Using an

external

trigger?

Continued on next

page

Yes

Enable the external trigger and

specify the polarity

(CT_SetStartTrigEnable and

CT_SetStartTrigPol)

16 Programming Flow Diagrams

Steps for Event Counting Operations (cont.)

From previous page

Generating a Windows

event?

Performing

multiple

operations

simultaneously?

Declare variable to store

number of events counted

Start the operation

(CT_Start)

Monitor the status and read

current number of events

(CT_Status)

Yes

Enable Windows events

(CT_IntEnable)

Dimension frame, status,

and value arrays

Load frame handles into

frame array

Start operations

(CT_StartMultiple)

Monitor status and read

current number of events

(CT_StatusMultiple)

Using

continuous

mode?

Free frames

(CT_FreeFrame)

Yes

Stop operations

(CT_Stop or

CT_StopMultiple)

Steps for Frequency Measurement Operations

Access a frame

(CT_GetFMFrame)

Performing

another

frequency

operation?

Specify the measurement channel for each frame (operation)

(CT_SetChn)

Using next

channel as

period

channel?

Specify the period channel for each frame (operation)

(CT_SetFMPeriodChn)

Specify the polarity for each frame (operation)

(CT_SetEdgePol)

Yes

Specify the frequency measurement mode for each frame (operation)

(CT_SetFMMode)

Continued on next

page

18 Programming Flow Diagrams

Steps for Frequency Measurement Operations (cont.)

Continued from

Specify the sampling period for each frame (operation)

(CT_SetPeriod)

Using an

external

gate?

Using an

external

trigger?

Generating

a Windows

event?

Continued on

Yes

Enable the external gate

and specify the polarity

(CT_SetGateEnable and

CT_SetGatePol)

Enable the external trigger

and specify the polarity

(CT_SetStartTrigEnable and

CT_SetStartTrigPol)

Enable Windows events

(CT_IntEnable)

Steps for Frequency Measurement Operations (cont.)

Continued from

Performing

multiple

operations

simultaneously?

Yes

Dimension frame, status,

and value arrays

Load frame handles into

frame array

Declare variable to

store the frequency

Start the operation

(CT_Start)

Monitor the status and read

the frequency

(CT_Status)

Using

continuous

mode?

Free frames

(CT_FreeFrame)

Yes

Start operations

(CT_StartMultiple)

Monitor status and read

the frequency

(CT_StatusMultiple)

Stop operations

(CT_Stop or

CT_StopMultiple

20 Programming Flow Diagrams

Steps for Pulse Output Operations

Access a frame

(CT_GetPOFrame)

Performing

another

pulse output

operation?

Specify the pulse output mode for each frame (operation)

(CT_SetPOMode)

Specify the channel for each frame (operation)

(CT_SetChn)

Specify the length of the ﬁrst (high) pulse

(CT_SetPOHigh)

Using

continuous

mode?

Yes

Specify the length of the period for

each frame (operation)

(CT_SetPeriod)

Continued on next

page

Steps for Pulse Output Operations (cont.)

Continued from

Using an

external

gate?

Enable the external gate and specify the

Yes

polarity

(CT_SetGateEnable and CT_SetGatePol)

Using an

external trigger?

Performing

multiple

operations

simultaneously?

Start the operation

(CT_Start)

Monitor the operation

(CT_Status)

Using

continuous

mode?

Yes

Enable the external trigger and

specify the polarity

(CT_SetStartTrigEnable and

CT_SetStartTrigPol)

Yes

Dimension frame and

status arrays

Load frame handles into

Start operations

(CT_StartMultiple)

Monitor operations

(CT_StatusMultiple)

Stop operations

(CT_Stop or

CT_StopMultiple)

frame array

Free frames

(CT_FreeFrame)

22 Programming Flow Diagrams

Steps for Digital Input and Digital Output Operations

Digital Input Operations

Declare a variable to store

input value

Perform the operation

(CT_DIRead)

Read the input value

Digital Output Operations

Declare a variable to store

output value

Load variable with

digital output value

Perform the operation

(CT_DOWrite)

Tektronix Keithley ASO for CTM Quick Start Guide

Specifications and Main Features

Frequently Asked Questions

User Manual