1553 Device Access Functions

Functions
NAIBRDFUNC nai_status_t NAIAPI	naibrd_1553_Open (int32_t cardIndex, int32_t module, int32_t channel, int16_t swDevice)
	Opens one 1553 unit (a "device" in DDC API). This function must be called to associate the swDevice with the card, module, and channel mapping before any core functions are called.
NAIBRDFUNC nai_status_t NAIAPI	naibrd_1553_Close (int16_t swDevice)
	Closes one 1553 unit (a "device" in DDC API).

Detailed Description

Function Documentation

naibrd_1553_Close()

NAIBRDFUNC nai_status_t NAIAPI naibrd_1553_Close

(

int16_t

swDevice

)

Closes one 1553 unit (a "device" in DDC API).

Parameters

swDevice

: (Input) Unit index (0-31).

Returns

• NAI_SUCCESS

naibrd_1553_Open()

NAIBRDFUNC nai_status_t NAIAPI naibrd_1553_Open	(	int32_t	cardIndex,
		int32_t	module,
		int32_t	channel,
		int16_t	swDevice )

Opens one 1553 unit (a "device" in DDC API). This function must be called to associate the swDevice with the card, module, and channel mapping before any core functions are called.

Parameters

cardIndex	: (Input) Logical Card Index assigned to connection with the NAI_BOARD (0 - NAI_MAX_CARDS-1).
module	: (Input) Module Number of the module to access (1 - [max modules for board]).
channel	: (Input) Channel Number of the channel to access (1 - [max channels for module]).
swDevice	: (Input) Unit index (0-31).

Returns

• NAI_SUCCESS
• NAI_ERROR_INVALID_CARD when invalid card parameter is specified.
• NAI_ERROR_INVALID_MODULE when invalid module parameter is specified.
• NAI_ERROR_NOT_OPEN when handle to board is invalid.
• NAI_ERROR_INVALID_CHANNEL when invalid channel parameter is specified.
• NAI_ERROR_IN_USE when the device is already opened.