From 8e0e00d21146a84c18f9cf9409e187b4fb0248aa Mon Sep 17 00:00:00 2001 From: Riku Nomoto Date: Thu, 19 Nov 2020 12:45:32 +0900 Subject: Init basesystem source codes. Signed-off-by: Riku Nomoto Change-Id: I55aa2f1406ce7f751ae14140b613b53b68995528 --- .../library/src/PosixBasedOS001ClockCycleApi.c | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100755 video_in_hal/otherservice/posix_based_os001_legacy_library/library/src/PosixBasedOS001ClockCycleApi.c (limited to 'video_in_hal/otherservice/posix_based_os001_legacy_library/library/src/PosixBasedOS001ClockCycleApi.c') diff --git a/video_in_hal/otherservice/posix_based_os001_legacy_library/library/src/PosixBasedOS001ClockCycleApi.c b/video_in_hal/otherservice/posix_based_os001_legacy_library/library/src/PosixBasedOS001ClockCycleApi.c new file mode 100755 index 0000000..b4e73c5 --- /dev/null +++ b/video_in_hal/otherservice/posix_based_os001_legacy_library/library/src/PosixBasedOS001ClockCycleApi.c @@ -0,0 +1,56 @@ +/* + * @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include + +/******************************************************************************/ +/* +Overview :GetTickCount() like Win32 API +Arguments :void +Return :OK:usec NG:0 +Note : +*/ +static uint64_t GetTickCount(void ) +{ + struct timespec tp; + /*--------------------------------------------------------------------*/ + + if(clock_gettime(CLOCK_MONOTONIC, &tp) != 0) // LCOV_EXCL_BR_LINE 5: fail safe for libc clock_gettime + { + return 0; + } + + return (uint64_t)(tp.tv_sec * 1000000 + tp.tv_nsec / 1000); +} + + +/******************************************************************************/ +/* +Overview :Get the number of clock cycles +Arguments :void +Return :OK:usec NG:0 +Note : +*/ +uint64_t ClockCycle( void ) +{ + return GetTickCount(); +} + +/******************************************************************************/ +/* End of souce code.*/ +/******************************************************************************/ + -- cgit 1.2.3-korg