Changeset 757 for trunk/src/winmm/time.cpp

Timestamp:

Aug 31, 1999, 5:39:21 PM (26 years ago)

Author:

phaller

Message:

Fix: minimum and maximum resolution supported

File:

• trunk/src/winmm/time.cpp (modified) (3 diffs)

trunk/src/winmm/time.cpp

@@ -1 @@
-/* $Id: time.cpp,v 1.1 1999-08-31 15:04:11 phaller Exp $ */
+/* $Id: time.cpp,v 1.2 1999-08-31 15:39:21 phaller Exp $ */
 
 /*
@@ -64 +64 @@
   dprintf(("WINMM:timeGetDevCaps Not really Implemented\n"));
 
-  ptc->wPeriodMin = 1;
-  ptc->wPeriodMax = 20;
+  ptc->wPeriodMin = OS2TIMER_RESOLUTION_MINIMUM;
+  ptc->wPeriodMax = OS2TIMER_RESOLUTION_MAXIMUM;
 
   return TIMERR_NOERROR;
@@ -163 +163 @@
   OS2Timer *timer;
 
+  // check parameters
+  if ((wDelay < OS2TIMER_RESOLUTION_MINIMUM) ||
+      (wDelay > OS2TIMER_RESOLUTION_MINIMUM))
+    return NULL;
+
+   if (wResolution == 0)
+     wResolution = OS2TIMER_RESOLUTION_MINIMUM;
+   else
+     if ((wResolution < OS2TIMER_RESOLUTION_MINIMUM) ||
+         (wResolution > OS2TIMER_RESOLUTION_MINIMUM))
+      return NULL;
+
   timer = new OS2Timer();
   if(timer == NULL)