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Technical reference

3.1

Introduction

The ADC-100 and ADC-101 are supplied with driver routines that you can build into

your own programs.

Once you have installed the software, the DRIVERS sub-directory contains the drivers

and a selection of examples of how to use the drivers. It also contains a copy of this

help file in text format.

The driver routines are supplied as Dynamic Link Libraries for Windows 95/98/ME and

NT/200/XP.

The Windows DLLs can be used with any programming language or application that

can interface with DLLs- for example, C, Delphi, Visual Basic, Excel, LabVIEW, etc.

The DRIVERS directory contains example programs for several popular programming

languages or applications: some of these examples are fairly simple, but the C console

mode example, a100con.c, shows how to use all facilities in the driver.

The driver is capable of supporting up to three units connected to printer ports (one

each on LPT1, LPT2 and LPT3) and up to four Pico USB parallel port units. The units

can be any mixture of ADC-100 and ADC-101.

The following table explains each of the driver routines.

Routine

Description

adc100_get_driver_version

that this is the correct driver

adc100_open_unit

the driver to use a specified parallel port

adc100_set_unit

which ADC-100 unit to use

adc100_close_unit

the specified port

adc100_set_range

input voltage range

adc100_get_value

single reading from one channel

adc100_is_streaming

whether the device supports streaming (USB only)

adc100_run

the unit recording

adc100_ready

whether the data recording is completed

adc100_stop

data collection

adc100_set_trigger

a trigger event from a specified channel

adc100_set_interval

channels and time interval for the next call to

adc100_get_values, or

adc100_get_times_and_values

adc100_get_values

block of readings at fixed intervals

adc100_get_times_and_values

a block of readings and their times, at fixed

intervals

adc100_get_unit_info

information about an ADC-100 unit

The driver offers the following facilities:

Specify the printer port that is connected to the ADC-100

Take a single reading from a specified channel

Specify a trigger event from a specified channel (only available in block mode)

Collect a block of samples at fixed time intervals from one or more channels

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 24 25

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