Adlink ACL-8111 Bedienungsanleitung PDF herunterladen (Seite 46)

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C/C++ Library for DOS

5.7 _8111_DA

@ Description

This function is used to write data to D/A converters. There is a Digital-to-

Analog conversion channel on the ACL-8111. The resolution is 12-bit, i.e.

the range is from 0 to 4095.

@ Syntax

int _8111_DA(unsigned int data )

@ Argument:

data: D/A converted value, if the value is greater

than 4095, the higher 4-bits are negligent.

@ Return Code:

ERR_NoError

ERR_BoardNoInit

ERR_InvalidDAChannel

@ Example:

#include “aclerr.h”

#include “8111.h”

main()

{

_8111_Initial( CARD_1, 0x220 );

/* Assume NoError when Initialize ACL-

8111 */

/* if the hardware setting for DA output range

is 0~5V */

_8111_DA( 0x800 );

printf( "The output voltage is 2.5V

\n" );

}

A more complete program is provided in this software. 'DA_DEMO.C'

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Adlink ACL-8111 Bedienungsanleitung Seite 46