ADLINK cPCI-9116 User Manual

Page 89

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C++ Library

• 79

6.12.4 _9116_GP0_Set_GATE_SRC

@ Description

This function is used to select the gate source of GPTC. When internal
gate source is selected, you can use function _9116_GP0_EN to
enable/disable the counting.

@ Syntax

C/C++ (DOS)

int _9116_GP0_Set_GATE_SRC( I16 card_number, U8 gate_src )

@ Argument

card_number:

the card number of cPCI-9116 to be initialized,
totally 4 cards can be initialized, the valid card
numbers are CARD_1, CARD_2, CARD_3,
CARD_4.

gate_src :

0: internal gate source

1: external clock source from pin97 of J1

@ Return Code

ERR_NoError
ERR_BoardNoInit

6.12.5 _9116_GP0_Set_UPDOWN_SRC

@ Description

This function is used to select the up/down control source of GPTC.
When internal source is selected, you can use function
_9116_GP0_Set_UPDOWN() to select up/down counter operation.

@ Syntax

C/C++ (DOS)

Int 9116_GP0_Set_UPDOWN_SRC( I16 card_number, U8

updown_src )

@ Argument

card_number:

the card number of cPCI-9116 to be initialized,
totally 4 cards can be initialized, the valid card
numbers are CARD_1, CARD_2, CARD_3,
CARD_4.

Updown_src: 0: internal source
1: external source from pin98 of J1

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