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MbedCRC.cpp
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2018 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #include <stddef.h> 00018 #include "drivers/TableCRC.h" 00019 #include "drivers/MbedCRC.h" 00020 00021 namespace mbed { 00022 /** \addtogroup drivers */ 00023 /** @{*/ 00024 00025 SingletonPtr<PlatformMutex> mbed_crc_mutex; 00026 00027 /* Default values for different types of polynomials 00028 */ 00029 template<> 00030 MbedCRC<POLY_32BIT_ANSI, 32>::MbedCRC(): 00031 _initial_value(~(0x0)), _final_xor(~(0x0)), _reflect_data(true), _reflect_remainder(true), 00032 _crc_table((uint32_t *)Table_CRC_32bit_ANSI) 00033 { 00034 mbed_crc_ctor(); 00035 } 00036 00037 template<> 00038 MbedCRC<POLY_32BIT_REV_ANSI, 32>::MbedCRC(): 00039 _initial_value(~(0x0)), _final_xor(~(0x0)), _reflect_data(false), _reflect_remainder(false), 00040 _crc_table((uint32_t *)Table_CRC_32bit_Rev_ANSI) 00041 { 00042 mbed_crc_ctor(); 00043 } 00044 00045 template<> 00046 MbedCRC<POLY_16BIT_IBM, 16>::MbedCRC(): 00047 _initial_value(0), _final_xor(0), _reflect_data(true), _reflect_remainder(true), 00048 _crc_table((uint32_t *)Table_CRC_16bit_IBM) 00049 { 00050 mbed_crc_ctor(); 00051 } 00052 00053 template<> 00054 MbedCRC<POLY_16BIT_CCITT, 16>::MbedCRC(): 00055 _initial_value(~(0x0)), _final_xor(0), _reflect_data(false), _reflect_remainder(false), 00056 _crc_table((uint32_t *)Table_CRC_16bit_CCITT) 00057 { 00058 mbed_crc_ctor(); 00059 } 00060 00061 template<> 00062 MbedCRC<POLY_7BIT_SD, 7>::MbedCRC(): 00063 _initial_value(0), _final_xor(0), _reflect_data(false), _reflect_remainder(false), 00064 _crc_table((uint32_t *)Table_CRC_7Bit_SD) 00065 { 00066 mbed_crc_ctor(); 00067 } 00068 00069 template<> 00070 MbedCRC<POLY_8BIT_CCITT, 8>::MbedCRC(): 00071 _initial_value(0), _final_xor(0), _reflect_data(false), _reflect_remainder(false), 00072 _crc_table((uint32_t *)Table_CRC_8bit_CCITT) 00073 { 00074 mbed_crc_ctor(); 00075 } 00076 00077 /** @}*/ 00078 } // namespace mbed 00079
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