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 /* Default values for different types of polynomials
00026 */
00027 template<>
00028 MbedCRC<POLY_32BIT_ANSI, 32>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
00029         _initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
00030         _crc_table((uint32_t *)Table_CRC_32bit_ANSI)
00031 {
00032     mbed_crc_ctor();
00033 }
00034 
00035 template<>
00036 MbedCRC<POLY_8BIT_CCITT, 8>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
00037         _initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
00038         _crc_table((uint32_t *)Table_CRC_8bit_CCITT)
00039 {
00040     mbed_crc_ctor();
00041 }
00042 
00043 template<>
00044 MbedCRC<POLY_7BIT_SD, 7>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
00045         _initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
00046         _crc_table((uint32_t *)Table_CRC_7Bit_SD)
00047 {
00048     mbed_crc_ctor();
00049 }
00050 
00051 template<>
00052 MbedCRC<POLY_16BIT_CCITT, 16>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
00053         _initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
00054         _crc_table((uint32_t *)Table_CRC_16bit_CCITT)
00055 {
00056     mbed_crc_ctor();
00057 }
00058 
00059 template<>
00060 MbedCRC<POLY_16BIT_IBM, 16>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
00061         _initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
00062         _crc_table((uint32_t *)Table_CRC_16bit_IBM)
00063 {
00064     mbed_crc_ctor();
00065 }
00066 
00067 template<>
00068 MbedCRC<POLY_32BIT_ANSI, 32>::MbedCRC():
00069     _initial_value(~(0x0)), _final_xor(~(0x0)), _reflect_data(true), _reflect_remainder(true),
00070     _crc_table((uint32_t *)Table_CRC_32bit_ANSI)
00071 {
00072     mbed_crc_ctor();
00073 }
00074 
00075 template<>
00076 MbedCRC<POLY_16BIT_IBM, 16>::MbedCRC():
00077     _initial_value(0), _final_xor(0), _reflect_data(true), _reflect_remainder(true),
00078     _crc_table((uint32_t *)Table_CRC_16bit_IBM)
00079 {
00080     mbed_crc_ctor();
00081 }
00082 
00083 template<>
00084 MbedCRC<POLY_16BIT_CCITT, 16>::MbedCRC():
00085     _initial_value(~(0x0)), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
00086     _crc_table((uint32_t *)Table_CRC_16bit_CCITT)
00087 {
00088     mbed_crc_ctor();
00089 }
00090 
00091 template<>
00092 MbedCRC<POLY_7BIT_SD, 7>::MbedCRC():
00093     _initial_value(0), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
00094     _crc_table((uint32_t *)Table_CRC_7Bit_SD)
00095 {
00096     mbed_crc_ctor();
00097 }
00098 
00099 template<>
00100 MbedCRC<POLY_8BIT_CCITT, 8>::MbedCRC():
00101     _initial_value(0), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
00102     _crc_table((uint32_t *)Table_CRC_8bit_CCITT)
00103 {
00104     mbed_crc_ctor();
00105 }
00106 
00107 /** @}*/
00108 } // namespace mbed
00109