Adlink ACL-8112 Series Manual do Utilizador descarregar pdf (Página 75)

C Language Library • 67

7.10 _8112_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 for the ACL-8112 is set as AD_MODE_1 software( internal) trigger

with program polling data mode.

A/D Mode Description

AD_MODE_0 External Trigger, Software Polling

AD_MODE_1 Software Trigger, Software Polling

AD_MODE_2 Timer Trigger, DMA Transfer

AD_MODE_3 External Trigger, DMA Transfer

AD_MODE_4 External Trigger, Interrupt Transfer

AD_MODE_5 Software Trigger, Interrupt Transfer

AD_MODE_6 Timer Trigger, Interrupt Transfer

AD_MODE_7 Not Used

Note: All analog input modes selection should match with the hardware

settings, which is described in the hardware users manual.

Syntax

int _8112_AD_Set_Mode(int ad_mode )

int _8112pg_AD_Set_Mode(int ad_mode )

Argument:

ad_mode:

AD trigger and data transfer mode

( please refer above table.)

Return Code:

ERR_NoError

ERR_BoardNoInit

ERR_InvalidMode

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Adlink ACL-8112 Series Manual do Utilizador Página 75