diff options
author | Øyvind Harboe <oyvind.harboe@zylin.com> | 2009-12-15 14:57:38 +0100 |
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committer | Øyvind Harboe <oyvind.harboe@zylin.com> | 2009-12-16 08:15:05 +0100 |
commit | c8b8a34bb5e98660c4ce3683fb64af31b494d55c (patch) | |
tree | 495cc9f40c130bc8a867e2f47ff16149e3db029d /src/helper/time_support_ecos.c | |
parent | 74ce435d97ca4f6f81645d755d04123f075aa42b (diff) |
ecos: crisper implementation of timeval_ms()
A crisper/faster implementation under eCos that makes profiling a
tad easier.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Diffstat (limited to 'src/helper/time_support_ecos.c')
-rw-r--r-- | src/helper/time_support_ecos.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/helper/time_support_ecos.c b/src/helper/time_support_ecos.c new file mode 100644 index 00000000..b0911fce --- /dev/null +++ b/src/helper/time_support_ecos.c @@ -0,0 +1,43 @@ +/*************************************************************************** + * 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 * + * (at your option) any later version. * + * * + * This program 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. * + ***************************************************************************/ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "time_support.h" + +#include <cyg/kernel/kapi.h> + +int64_t timeval_ms() +{ + /* Faster/less noisy implementation of getting ms when + * profiling + */ + static const int ms_per_tick = + (CYGNUM_HAL_RTC_NUMERATOR / CYGNUM_HAL_RTC_DENOMINATOR) / 1000000; + cyg_tick_count_t cur_time = cyg_current_time(); + return ((int)cur_time) * ms_per_tick; +} |