target: use correct target in target-prefixed commands and event handlers

[openocd.git] / src / helper / time_support.c

diff --git a/src/helper/time_support.c b/src/helper/time_support.c
index 9615817fc591cc04964fdded03a425ab4dea2e61..05eaf0a9d08e4cfae9a1dddf28c12d906813a2fb 100644 (file)
--- a/src/helper/time_support.c
+++ b/src/helper/time_support.c
@@ -2,6 +2,12 @@
  *   Copyright (C) 2006 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
+ *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   oyvind.harboe@zylin.com                                               *
+ *                                                                         *
+ *   Copyright (C) 2008 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
  *   This program 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     *
@@ -13,30 +19,19 @@
  *   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.             *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "time_support.h"
-#include "log.h"
-
-#include <stdlib.h>
-#include <sys/time.h>
-#include <time.h>
-
-int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
-int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y);
-int timeval_add_time(struct timeval *result, int sec, int usec);
 
 /* calculate difference between two struct timeval values */
 int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y)
 {
-       if (x->tv_usec < y->tv_usec)
-       {
+       if (x->tv_usec < y->tv_usec) {
                int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
                y->tv_usec -= 1000000 * nsec;
                y->tv_sec += nsec;
@@ -54,56 +49,56 @@ int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *
        return x->tv_sec < y->tv_sec;
 }
 
-/* add two struct timeval values */
-int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y)
+int timeval_add_time(struct timeval *result, long sec, long usec)
 {
-       result->tv_sec = x->tv_sec + y->tv_sec;
-       
-       result->tv_usec = x->tv_usec + y->tv_usec;
-       
-       while (result->tv_usec > 1000000)
-       {
+       result->tv_sec += sec;
+       result->tv_usec += usec;
+
+       while (result->tv_usec > 1000000) {
                result->tv_usec -= 1000000;
                result->tv_sec++;
        }
-       
+
        return 0;
 }
 
-int timeval_add_time(struct timeval *result, int sec, int usec)
+/* compare two timevals and return -1/0/+1 accordingly */
+int timeval_compare(const struct timeval *x, const struct timeval *y)
 {
-       result->tv_sec += sec;
-       result->tv_usec += usec;
-       
-       while (result->tv_usec > 1000000)
-       {
-               result->tv_usec -= 1000000;
-               result->tv_sec++;
-       }
-       
-       return 0;
+       if (x->tv_sec < y->tv_sec)
+               return -1;
+       else if (x->tv_sec > y->tv_sec)
+               return 1;
+       else if (x->tv_usec < y->tv_usec)
+               return -1;
+       else if (x->tv_usec > y->tv_usec)
+               return 1;
+       else
+               return 0;
 }
 
-int duration_start_measure(duration_t *duration)
+int duration_start(struct duration *duration)
 {
-       gettimeofday(&duration->start, NULL);
-       
-       return ERROR_OK;
+       return gettimeofday(&duration->start, NULL);
 }
 
-int duration_stop_measure(duration_t *duration, char **text)
+int duration_measure(struct duration *duration)
 {
        struct timeval end;
-       
-       gettimeofday(&end, NULL);
-       
-       timeval_subtract(&duration->duration, &end, &duration->start);
-       
-       if (text)
-       {
-               *text = malloc(16);
-               snprintf(*text, 16, "%lis %lius", duration->duration.tv_sec, duration->duration.tv_usec);
-       }
-       
-       return ERROR_OK;
+       int retval = gettimeofday(&end, NULL);
+       if (0 == retval)
+               timeval_subtract(&duration->elapsed, &end, &duration->start);
+       return retval;
+}
+
+float duration_elapsed(const struct duration *duration)
+{
+       float t = duration->elapsed.tv_sec;
+       t += (float)duration->elapsed.tv_usec / 1000000.0;
+       return t;
+}
+
+float duration_kbps(const struct duration *duration, size_t count)
+{
+       return count / (1024.0 * duration_elapsed(duration));
 }