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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 18:20:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 18:20:54 +0000
commit7c720bec5600a9e607c875c670ca30ed351fa4ba (patch)
treec38c9bedf07616180feee6b91a1dbea038500b54 /include/delay.h
parentInitial commit. (diff)
downloadiperf-upstream/2.1.9+dfsg.tar.xz
iperf-upstream/2.1.9+dfsg.zip
Adding upstream version 2.1.9+dfsg.upstream/2.1.9+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/delay.h')
-rw-r--r--include/delay.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/include/delay.h b/include/delay.h
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+/*---------------------------------------------------------------
+ * Copyright (c) 1999,2000,2001,2002,2003
+ * The Board of Trustees of the University of Illinois
+ * All Rights Reserved.
+ *---------------------------------------------------------------
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software (Iperf) and associated
+ * documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit
+ * persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ *
+ * Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and
+ * the following disclaimers.
+ *
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimers in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ *
+ * Neither the names of the University of Illinois, NCSA,
+ * nor the names of its contributors may be used to endorse
+ * or promote products derived from this Software without
+ * specific prior written permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * ________________________________________________________________
+ * National Laboratory for Applied Network Research
+ * National Center for Supercomputing Applications
+ * University of Illinois at Urbana-Champaign
+ * http://www.ncsa.uiuc.edu
+ * ________________________________________________________________
+ *
+ * delay.h
+ * by Mark Gates <mgates@nlanr.net>
+ * -------------------------------------------------------------------
+ * accurate microsecond delay
+ * ------------------------------------------------------------------- */
+#ifndef DELAY_H
+#define DELAY_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <time.h>
+void delay_loop( unsigned long usecs );
+void delay_busyloop(unsigned long usecs);
+void delay_nanosleep(unsigned long usecs);
+int clock_usleep(struct timeval *request);
+int clock_usleep_abstime(struct timeval *request);
+#ifdef HAVE_KALMAN
+// Kalman filter states
+struct kalman_state {
+ double q; //process noise covariance
+ double r; //measurement noise covariance
+ double x; //value
+ double p; //estimation error covariance
+ double k; //kalman gain
+};
+void delay_kalman(unsigned long usecs);
+#endif
+#ifdef __cplusplus
+} /* end extern "C" */
+#endif
+
+#endif /* DELAY_H */