DosTmrQueryFreq: Difference between revisions

Revision as of 22:11, 23 December 2016

Provides the frequency of the IRQ0 high resolution timer (Intel 8254).

Syntax

#define INCL_DOSPROFILE
#include <os2.h>

PULONG    pulTmrFreq;  /*  Timer Frequency. */
APIRET    rc;          /*  Return Code. */

rc = DosTmrQueryFreq(pulTmrFreq);

Parameters

pulTmrFreq (PULONG) - output: Timer Frequency.; Provides the frequency of the IRQ0 high resolution timer in hertz (timer units/sec).

Return Code

rc (APIRET) - returns

DosTmrQueryFrequency returns the following values:

0 NO_ERROR
87 ERROR_INVALID_PARAMETER
535 ERROR_TMR_NO_DEVICE
99 ERROR_DEVICE_IN_USE

Related Functions

@@ Line 1: / Line 1: @@
-==Description==
 Provides the frequency of the IRQ0 high resolution timer (Intel 8254).
@@ Line 11: / Line 10: @@
 rc = DosTmrQueryFreq(pulTmrFreq);
+</PRE>
-</PRE>
 ==Parameters==
-;  pulTmrFreq (PULONG) - output : Timer Frequency.
+;pulTmrFreq (PULONG) - output : Timer Frequency.
-Provides the frequency of the IRQ0 high resolution timer in hertz (timer units/sec).
+:Provides the frequency of the IRQ0 high resolution timer in hertz (timer units/sec).
 ==Return Code==
   rc (APIRET) - returns
 DosTmrQueryFrequency returns the following values:
 * 0         NO_ERROR
 * 87        ERROR_INVALID_PARAMETER
@@ Line 28: / Line 24: @@
 * 99        ERROR_DEVICE_IN_USE
-==Remarks==
-==Example Code==
-<PRE>
-</PRE>
 ==Related Functions==
-* [[OS2 API:CPI:DosDevConfig|DosDevConfig]]
+* [[DosDevConfig]]
-* [[OS2 API:CPI:DosDevIOCtl|DosDevIOCtl]]
+* [[DosDevIOCtl]]
-* [[OS2 API:CPI:DosPhysicalDisk|DosPhysicalDisk]]
+* [[DosPhysicalDisk]]
-[[Category:The OS/2 API Project]]
+[[Category:Dos]]