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C/C++ Library for DOS • 43

_8111_AD_Set_Gain( AD_GAIN_8 );

printf( "The A/D analog input range is +/-

0.625V now.\n" );

}

5.10 _8111_AD_Set_Mode

@ Description

This function is used to set the A/D trigger and data transfer mode by

means of writing data to the mode control register. The hardware

initial state of the ACL-8111 is set as AD_MODE_1 software( internal)

trigger with program polling data.

A/D Mode Description

AD_MODE_0 Software Trigger, Software Polling Transfer

AD_MODE_1 Software Trigger, Interrupt Transfer

AD_MODE_2 External Trigger, Software Polling Transfer

AD_MODE_3 External Trigger, Interrupt Transfer

AD_MODE_4 Timer Trigger, Software Polling Transfer

AD_MODE_5 Timer Trigger, Interrupt Transfer

@ Syntax

int _8111_AD_Set_Mode(int irq_no, int ad_mode )

@ Argument:

irq_no: interrupt IRQ level

ad_mode: AD trigger and data transfer mode

( please to refer above table.)

@ Return Code:

ERR_NoError

ERR_BoardNoInit

ERR_InvalidMode

@ Example:

#include “aclerr.h”

#include “8111.h”

main()

{

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ADLINK Technology ACL -6128 Guía de usuario Pagina 51