CDA CD 60 Dokumentacja Pobierz pdf (Strona 36)

PCI CD and PCI CDa

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

Template: edt.dot

Page 36

Syntax

int edt_get_reftime(EdtDev *edt_p, u_int *timep)

Arguments

edt_p

device struct returned from edt_open

timep

pointer to an unsigned integer array

bufnum

buffer index, or number of buffers completed

Example

int timestamp[2];

edt_get_regtime(edt_p, timestamp);

Return

0 on success, -1 on failure. Fills in timestamp pointed to by timep.

See Also

edt_timestamp(), edt_done_count(), edt_wait_buffers_timed

edt_ref_tmstamp

Description

Used for debugging and viewing a history with setdebug -g with an application-defined event in the

same timeline as driver events.

Syntax

int edt_ref_tmstamp(EdtDev *edt_p, u_int val)

Arguments

edt_p

device struct returned from edt_open

val

an arbitrary value meaningful to the application

Example

#define BEFORE_WAIT 0x11212aaaa

#define AFTER_WAIT 0x3344bbbb

u_char *buf;

edt_ref_tmstamp(edt_p, BEFORE_WAIT);

buf=edt_wait_for_buffer(edt_p);

edt_reg_tmstamp(edt_p, AFTER_WAIT);

/* now look at output of setdebug -g */

Return

0 on success, -1 on failure.

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CDA CD 60 Dokumentacja Strona 36