CDA CD 60 Especificações descarregar pdf (Página 39)

PCI CD and PCI CDa

Document Number: 008-00965-06 EDT Public Revision: I December 2004

Template: edt.dot

Page 39

edt_get_goodbits

Description

Returns the current number of good bits in the last long word of a read buffer (0 through 31).

Syntax

#include "edtinc.h"

int edt_get_goodbits(EdtDev *edt_p);

Arguments

edt_p

device handle returned from edt_open or edt_open_channel

Return

Number 0–31 represents the number of good bits in the 32-bit word of the current read buffer.

edt_set_event_func

Description

Defines a function to call when an event occurs. Use this routine to send an application-specific

function when required; for example, when DMA completes, allowing the application to continue

executing until the event of interest occurs.

If you wish to receive notification of one event only, and then disable further event notification, send a

final argument of 0 (see the continue parameter described below). This disables event notification at the

time of the callback to your function.

Syntax

#include "edtinc.h"

int edt_set_event_func(EdtDev *edt_p, int event, void (*func)(void

*),

void *data, int continue);

Arguments

edt_p

device handle returned from edt_open or edt_open_channel.

The event that causes the function to be called. Valid events are:

Event Description Board

EDT_PDV_EVENT_ACQUIRE Image has been acquired;

shutter has closed; subject

can be moved if necessary;

DMA will now restart

PCI DV,

PCI DVK,

PCI FOI

EDT_PDV_EVENT_FVAL Frame Valid line is set PCI DV,

PCI DVK

EDT_EVENT_P16D_DINT Device interrupt occurred PCI 16D

EDT_EVENT_P11W_ATTN Attention interrupt occurred PCI 11W

EDT_EVENT_P11W_CNT Count interrupt occurred PCI 11W

event

EDT_EVENT_PCD_STAT1 Interrupt occurred on Status 1

line

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