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 }
00057 
00058 template<>
00059 MbedCRC<POLY_16BIT_IBM, 16>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
00060         _initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
00061         _crc_table((uint32_t *)Table_CRC_16bit_IBM)
00062 {
00063     mbed_crc_ctor();
00064 }
00065 
00066 template<>
00067 MbedCRC<POLY_32BIT_ANSI, 32>::MbedCRC():
00068     _initial_value(~(0x0)), _final_xor(~(0x0)), _reflect_data(true), _reflect_remainder(true),
00069     _crc_table((uint32_t *)Table_CRC_32bit_ANSI)
00070 {
00071     mbed_crc_ctor();
00072 }
00073 
00074 template<>
00075 MbedCRC<POLY_16BIT_IBM, 16>::MbedCRC():
00076     _initial_value(0), _final_xor(0), _reflect_data(true), _reflect_remainder(true),
00077     _crc_table((uint32_t *)Table_CRC_16bit_IBM)
00078 {
00079     mbed_crc_ctor();
00080 }
00081 
00082 template<>
00083 MbedCRC<POLY_16BIT_CCITT, 16>::MbedCRC():
00084     _initial_value(~(0x0)), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
00085     _crc_table((uint32_t *)Table_CRC_16bit_CCITT)
00086 {
00087     mbed_crc_ctor();
00088 }
00089 
00090 template<>
00091 MbedCRC<POLY_7BIT_SD, 7>::MbedCRC():
00092     _initial_value(0), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
00093     _crc_table((uint32_t *)Table_CRC_7Bit_SD)
00094 {
00095     mbed_crc_ctor();
00096 }
00097 
00098 template<>
00099 MbedCRC<POLY_8BIT_CCITT, 8>::MbedCRC():
00100     _initial_value(0), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
00101     _crc_table((uint32_t *)Table_CRC_8bit_CCITT)
00102 {
00103     mbed_crc_ctor();
00104 }
00105 
00106 /** @}*/
00107 } // namespace mbed
00108