- forgot it during last commit

timer_ticks.h

@@ -0,0 +1,58 @@
+/*
+ * $Id$
+ *
+ *
+ * timer frequency and ticks conversions
+ *
+ * Copyright (C) 2005 iptelorg GmbH
+ *
+ * This file is part of ser, a free SIP server.
+ *
+ * ser is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version
+ *
+ * For a license to use the ser software under conditions
+ * other than those described here, or to purchase support for this
+ * software, please contact iptel.org by e-mail at the following addresses:
+ *    [email protected]
+ *
+ * ser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License 
+ * along with this program; if not, write to the Free Software 
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+/* History:
+ * --------
+ *  2005-07-27  complete re-design/re-implemnetation (andrei)
+ */
+
+#ifndef _timer_ticks_h
+#define _timer_ticks_h
+
+/* how many ticks per second (must >1 and < 100 (on linux x86))
+ * recomended values >=8, <=32 (a 2^k value is better/faster)*/
+#define TIMER_TICKS_HZ	16U
+
+/* how many ticks per m milliseconds? (rounded up) */
+#define MS_TO_TICKS(m)  (((m)*TIMER_TICKS_HZ+999U)/1000U)
+
+
+/* how many ticks per s seconds? */
+#define S_TO_TICKS(s)	((s)*TIMER_TICKS_HZ)
+
+
+/* how many s pe per t ticks, integer value */
+#define TICKS_TO_S(t)	((t)/TIMER_TICKS_HZ)
+
+/* how many ms per t ticks, integer value */
+#define TICKS_TO_MS(t) (((t)*1000U)/TIMER_TICKS_HZ)
+
+
+
+#endif