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author | Riku Nomoto <riku_nomoto@mail.toyota.co.jp> | 2020-11-19 12:45:32 +0900 |
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committer | Riku Nomoto <riku_nomoto@mail.toyota.co.jp> | 2020-11-19 12:45:32 +0900 |
commit | 8e0e00d21146a84c18f9cf9409e187b4fb0248aa (patch) | |
tree | ef791689dad216ac61091a1d1bd3b928d563aba6 /video_in_hal/systemservice/rom_access_library/library/rom/src/ss_sm_checksum.cpp | |
parent | 18df6e21c6743a137e2760c52ca89d0789e90417 (diff) |
Init basesystem source codes.
Signed-off-by: Riku Nomoto <riku_nomoto@mail.toyota.co.jp>
Change-Id: I55aa2f1406ce7f751ae14140b613b53b68995528
Diffstat (limited to 'video_in_hal/systemservice/rom_access_library/library/rom/src/ss_sm_checksum.cpp')
-rwxr-xr-x | video_in_hal/systemservice/rom_access_library/library/rom/src/ss_sm_checksum.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/video_in_hal/systemservice/rom_access_library/library/rom/src/ss_sm_checksum.cpp b/video_in_hal/systemservice/rom_access_library/library/rom/src/ss_sm_checksum.cpp new file mode 100755 index 0000000..52cb114 --- /dev/null +++ b/video_in_hal/systemservice/rom_access_library/library/rom/src/ss_sm_checksum.cpp @@ -0,0 +1,37 @@ +/* + * @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. + */ + +/////////////////////////////////////////////////////////////////////////////// +/// \ingroup tag_SystemManager +/// \brief This file provides for checksum calculation. +/// +/////////////////////////////////////////////////////////////////////////////// +#include "ss_sm_checksum.h" + +CSMChecksum::CSMChecksum() {} +CSMChecksum::~CSMChecksum() {} +UI_32 CSMChecksum::cal_checksum(const void* p_buf, size_t bufSize) { + size_t num; + UI_32 sum = 0; + const UI_32 *p_calcBuf = reinterpret_cast<const UI_32 *>(p_buf); + num = bufSize / sizeof(UI_32); + + for (size_t i = 0; i < num; i++) { + sum += p_calcBuf[i]; + } + return sum; +} + |