ADLINK ACL-6128A User Manual

Page 34

• High-level Programming

4.3.2 _6128_Switch_Card_No

@ Description

This function is used on multi-cards systems. After the ACL-6128A cards
are initialized by the _6128_Initial function, you can use this function
to select which card to operate.

@ Syntax

int _6128_Switch_Card_No(int card_number)

@ Argument

card_number: The card number to be initialized, up to

cards can be initialized, the card

number must

be within the range of 0 and

@ Return Code

ERR_NoError
ERR_InvalidBoardNumber

4.3.3 _6128_DA

@ Description

This function is used to write data to D/A converters. There are two Digital-
to-Analog conversion channel in the ACL-6128A. The resolution of each
channel is 12 bits, providing a range from 0 to 4095.

@ Syntax

int _6128_DA( int da_ch_no, unsigned int da_data )

@ Argument

da_ch_no :

The DA channel number, the value has to
be

set a

0 or 1.

da_data

D/A converted value, if the value is
greater

than 4095, the upper 4 bits are

negligent.

@ Return Code

ERR_NoError
ERR_BoardNoInit
ERR_InvalidDAChannel