uSyntax

Visual C++ (Windows-95)

int W_9112_ AD_Set_Range (int card_number, int ad_range)

Visual Basic (Windows-95)

W_9112_AD_Set_Channel (ByVal card_number As Long, ByVal ad_range As Long) As Long

C/C++ ( DOS)

int _9112_AD_Set_Range (int card_number, int ad_range )

uArgument

card_number : the card number of PCI-9112

ad_range : the programmable range of A/D conversion, please refer the the above table for the possible range values.

uReturn Code

ERR_NoError

ERR_BoardNoInit

ERR_AD_InvalidRange

5.10 _9112_AD_Set_Mode

uDescription

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 PCI-9112 is set as AD_MODE_0 software (internal) trigger with program polling data. For more detailed description of DMA bus mastering mode is specified in section 4.13.

A/D Mode

Description

 

 

AD_MOD

Software Trigger, Software Polling

E_0

 

 

 

AD_MOD

Timer Trigger, Interrupt Transfer

E_1

 

 

 

AD_MOD

Timer Trigger, DMA ( bus mastering)Transfer

E_2

 

 

 

AD_MOD

External Trigger, Software Polling

E_3

 

AD_MOD

External Trigger, Interrupt Transfer

E_4

 

 

 

AD_MOD

External Trigger, DMA (bus mastering) Transfer

E_5

 

 

 

C/C++ Library ∙ 47