Adlink cPCI-9116 Manual do Utilizador descarregar pdf (Página 66)

56 • C++ Library

6.4 DIO functions

6.4.1 _9116_DI

@ Description

This function is used to read data from the digital input port. There are 8

digital input channels on the cPCI_9116. All 8 channels can be

accessed using this function.

@ Syntax

C/C++ (DOS)

int _9116_DI (I16 card_number, unsigned int far *data )

@ Argument

card_number:

the card number of the cPCI-9116 to be initialized,

totally 4 cards can be initialized, valid card

numbers are CARD_1, CARD_2, CARD_3,

CARD_4

data:

8-bit data read from the digital input port.

@ Return Code

ERR_NoError,ERR_BoardNoInit

6.4.2 _9116_DO

@ Description

This function is used to write data to the digital output port. There are 8

output channels on the cPCI-9116.

@ Syntax

C/C++ (DOS)

int _9116_DO (I16 card_number , unsigned int data)

@ Argument

card_number:

the card number of the cPCI-9116 to be initialized,

totally 4 cards can be initialized, valid card

numbers are CARD_1, CARD_2, CARD_3,

CARD_4

data:

data written to the output port.

@ Return Code

ERR_NoError

ERR_BoardNoInit

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Adlink cPCI-9116 Manual do Utilizador Página 66