mirror of https://github.com/ARMmbed/mbed-os.git
Cruz Monrreal
GitHub
commit
3d1174a215
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@ -0,0 +1,115 @@
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/* mbed Microcontroller Library
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* Copyright (c) 2018 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stddef.h>
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#include "drivers/TableCRC.h"
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#include "drivers/MbedCRC.h"
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namespace mbed {
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/** \addtogroup drivers */
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/** @{*/
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/* Default values for different types of polynomials
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*/
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template <uint32_t polynomial, uint8_t width>
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MbedCRC<polynomial, width>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
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_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder), _crc_table(NULL)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_32BIT_ANSI, 32>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
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_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
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_crc_table((uint32_t *)Table_CRC_32bit_ANSI)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_8BIT_CCITT, 8>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
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_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
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_crc_table((uint32_t *)Table_CRC_8bit_CCITT)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_7BIT_SD, 7>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
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_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
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_crc_table((uint32_t *)Table_CRC_7Bit_SD)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_16BIT_CCITT, 16>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
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_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
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_crc_table((uint32_t *)Table_CRC_16bit_CCITT)
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{
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}
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template<>
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MbedCRC<POLY_16BIT_IBM, 16>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
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_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
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_crc_table((uint32_t *)Table_CRC_16bit_IBM)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_32BIT_ANSI, 32>::MbedCRC():
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_initial_value(~(0x0)), _final_xor(~(0x0)), _reflect_data(true), _reflect_remainder(true),
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_crc_table((uint32_t *)Table_CRC_32bit_ANSI)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_16BIT_IBM, 16>::MbedCRC():
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_initial_value(0), _final_xor(0), _reflect_data(true), _reflect_remainder(true),
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_crc_table((uint32_t *)Table_CRC_16bit_IBM)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_16BIT_CCITT, 16>::MbedCRC():
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_initial_value(~(0x0)), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
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_crc_table((uint32_t *)Table_CRC_16bit_CCITT)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_7BIT_SD, 7>::MbedCRC():
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_initial_value(0), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
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_crc_table((uint32_t *)Table_CRC_7Bit_SD)
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{
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mbed_crc_ctor();
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}
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template<>
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MbedCRC<POLY_8BIT_CCITT, 8>::MbedCRC():
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_initial_value(0), _final_xor(0), _reflect_data(false), _reflect_remainder(false),
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_crc_table((uint32_t *)Table_CRC_8bit_CCITT)
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{
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mbed_crc_ctor();
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}
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/** @}*/
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} // namespace mbed
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@ -0,0 +1,420 @@
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/* mbed Microcontroller Library
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* Copyright (c) 2018 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBED_CRC_API_H
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#define MBED_CRC_API_H
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#include <stdint.h>
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#include "drivers/TableCRC.h"
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#include "platform/mbed_assert.h"
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/* This is invalid warning from the compiler for below section of code
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if ((width < 8) && (NULL == _crc_table)) {
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p_crc = (uint32_t)(p_crc << (8 - width));
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}
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Compiler warns of the shift operation with width as it is width=(std::uint8_t),
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but we check for ( width < 8) before performing shift, so it should not be an issue.
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*/
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#if defined ( __CC_ARM )
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#pragma diag_suppress 62 // Shift count is negative
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#elif defined ( __GNUC__ )
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wshift-count-negative"
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#endif
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namespace mbed {
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/** \addtogroup drivers */
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/** @{*/
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/** CRC Polynomial value
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*
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* Different polynomial values supported
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*/
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typedef enum crc_polynomial {
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POLY_OTHER = 0,
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POLY_8BIT_CCITT = 0x07, // x8+x2+x+1
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POLY_7BIT_SD = 0x9, // x7+x3+1;
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POLY_16BIT_CCITT = 0x1021, // x16+x12+x5+1
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POLY_16BIT_IBM = 0x8005, // x16+x15+x2+1
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POLY_32BIT_ANSI = 0x04C11DB7, // x32+x26+x23+x22+x16+x12+x11+x10+x8+x7+x5+x4+x2+x+1
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} crc_polynomial_t;
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/** CRC object provides CRC generation through hardware/software
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*
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* ROM polynomial tables for supported polynomials (:: crc_polynomial_t) will be used for
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* software CRC computation, if ROM tables are not available then CRC is computed runtime
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* bit by bit for all data input.
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*
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* @tparam polynomial CRC polynomial value in hex
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* @tparam width CRC polynomial width
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*
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* Example: Compute CRC data
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* @code
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*
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* #include "mbed.h"
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*
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* int main() {
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* MbedCRC<POLY_32BIT_ANSI, 32> ct;
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*
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* char test[] = "123456789";
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* uint32_t crc = 0;
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*
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* printf("\nPolynomial = 0x%lx Width = %d \n", ct.get_polynomial(), ct.get_width());
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*
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* ct.compute((void *)test, strlen((const char*)test), &crc);
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*
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* printf("The CRC of data \"123456789\" is : 0x%lx\n", crc);
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* return 0;
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* }
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* @endcode
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* Example: Compute CRC with data available in parts
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* @code
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*
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* #include "mbed.h"
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* int main() {
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* MbedCRC<POLY_32BIT_ANSI, 32> ct;
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*
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* char test[] = "123456789";
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* uint32_t crc = 0;
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*
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* printf("\nPolynomial = 0x%lx Width = %d \n", ct.get_polynomial(), ct.get_width());
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*
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* ct.compute_partial_start(&crc);
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* ct.compute_partial((void *)&test, 4, &crc);
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* ct.compute_partial((void *)&test[4], 5, &crc);
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* ct.compute_partial_stop(&crc);
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*
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* printf("The CRC of data \"123456789\" is : 0x%lx\n", crc);
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* return 0;
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* }
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* @endcode
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* @ingroup drivers
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*/
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template <uint32_t polynomial=POLY_32BIT_ANSI, uint8_t width=32>
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class MbedCRC
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{
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public:
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typedef uint64_t crc_data_size_t;
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/** Lifetime of CRC object
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*
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* @param initial_xor Inital value/seed to Xor
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* @param final_xor Final Xor value
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* @param reflect_data
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* @param reflect_remainder
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* @note Default constructor without any arguments is valid only for supported CRC polynomials. :: crc_polynomial_t
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* MbedCRC <POLY_7BIT_SD, 7> ct; --- Valid POLY_7BIT_SD
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* MbedCRC <0x1021, 16> ct; --- Valid POLY_16BIT_CCITT
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* MbedCRC <POLY_16BIT_CCITT, 32> ct; --- Invalid, compilation error
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* MbedCRC <POLY_16BIT_CCITT, 32> ct (i,f,rd,rr) Consturctor can be used for not supported polynomials
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* MbedCRC<POLY_16BIT_CCITT, 16> sd(0, 0, false, false); Constructor can also be used for supported
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* polynomials with different intial/final/reflect values
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*
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*/
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MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder);
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MbedCRC();
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virtual ~MbedCRC()
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{
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// Do nothing
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}
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/** Compute CRC for the data input
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*
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* @param buffer Data bytes
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* @param size Size of data
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* @param crc CRC is the output value
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* @return 0 on success, negative error code on failure
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*/
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int32_t compute(void *buffer, crc_data_size_t size, uint32_t *crc)
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{
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MBED_ASSERT(crc != NULL);
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int32_t status;
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if (0 != (status = compute_partial_start(crc))) {
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*crc = 0;
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return status;
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}
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if (0 != (status = compute_partial(buffer, size, crc))) {
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*crc = 0;
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return status;
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}
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if (0 != (status = compute_partial_stop(crc))) {
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*crc = 0;
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return status;
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}
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return 0;
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}
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/** Compute partial CRC for the data input.
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*
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* CRC data if not available fully, CRC can be computed in parts with available data.
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* Previous CRC output should be passed as argument to the current compute_partial call.
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* @pre: Call \ref compute_partial_start to start the partial CRC calculation.
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* @post: Call \ref compute_partial_stop to get the final CRC value.
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*
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* @param buffer Data bytes
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* @param size Size of data
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* @param crc CRC value is intermediate CRC value filled by API.
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* @return 0 on success or a negative error code on failure
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* @note: CRC as output in compute_partial is not final CRC value, call @ref compute_partial_stop
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* to get final correct CRC value.
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*/
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int32_t compute_partial(void *buffer, crc_data_size_t size, uint32_t *crc)
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{
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if (NULL == _crc_table) {
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// Compute bitwise CRC
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return bitwise_compute_partial(buffer, size, crc);
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} else {
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// Table CRC
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return table_compute_partial(buffer, size, crc);
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}
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}
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/** Compute partial start, indicate start of partial computation
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*
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* This API should be called before performing any partial computation
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* with compute_partial API.
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*
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* @param crc Initial CRC value set by the API
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* @return 0 on success or a negative in case of failure
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* @note: CRC is an out parameter and must be reused with compute_partial
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* and compute_partial_stop without any modifications in application.
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*/
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int32_t compute_partial_start(uint32_t *crc)
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{
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MBED_ASSERT(crc != NULL);
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*crc = _initial_value;
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return 0;
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}
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/** Get the final CRC value of partial computation.
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*
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* CRC value available in partial computation is not correct CRC, as some
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* algorithms require remainder to be reflected and final value to be XORed
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* This API is used to perform final computation to get correct CRC value.
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*
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* @param crc CRC result
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*/
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int32_t compute_partial_stop(uint32_t *crc)
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{
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MBED_ASSERT(crc != NULL);
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uint32_t p_crc = *crc;
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if ((width < 8) && (NULL == _crc_table)) {
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p_crc = (uint32_t)(p_crc << (8 - width));
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}
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*crc = (reflect_remainder(p_crc) ^ _final_xor) & get_crc_mask();
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return 0;
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}
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/** Get the current CRC polynomial
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*
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* @return Polynomial value
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*/
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uint32_t get_polynomial(void) const
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{
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return polynomial;
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}
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/** Get the current CRC width
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*
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* @return CRC width
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*/
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uint8_t get_width(void) const
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{
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return width;
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}
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private:
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uint32_t _initial_value;
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uint32_t _final_xor;
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bool _reflect_data;
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bool _reflect_remainder;
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uint32_t *_crc_table;
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/** Get the current CRC data size
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*
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* @return CRC data size in bytes
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*/
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uint8_t get_data_size(void) const
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{
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return (width <= 8 ? 1 : (width <= 16 ? 2 : 4));
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}
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/** Get the top bit of current CRC
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*
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* @return Top bit is set high for respective data width of current CRC
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* Top bit for CRC width less then 8 bits will be set as 8th bit.
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*/
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uint32_t get_top_bit(void) const
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{
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return (width < 8 ? (1u << 7) : (uint32_t)(1ul << (width - 1)));
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}
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/** Get the CRC data mask
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*
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* @return CRC data mask is generated based on current CRC width
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*/
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uint32_t get_crc_mask(void) const
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{
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return (width < 8 ? ((1u << 8) - 1) : (uint32_t)((uint64_t)(1ull << width) - 1));
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}
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/** Final value of CRC is reflected
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*
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* @param data final crc value, which should be reflected
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* @return Reflected CRC value
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*/
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uint32_t reflect_remainder(uint32_t data) const
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{
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if (_reflect_remainder) {
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uint32_t reflection = 0x0;
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uint8_t const nBits = (width < 8 ? 8 : width);
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for (uint8_t bit = 0; bit < nBits; ++bit) {
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if (data & 0x01) {
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reflection |= (1 << ((nBits - 1) - bit));
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}
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data = (data >> 1);
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}
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return (reflection);
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} else {
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return data;
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}
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}
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/** Data bytes are reflected
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||||
*
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* @param data value to be reflected
|
||||
* @return Reflected data value
|
||||
*/
|
||||
uint32_t reflect_bytes(uint32_t data) const
|
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{
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if(_reflect_data) {
|
||||
uint32_t reflection = 0x0;
|
||||
|
||||
for (uint8_t bit = 0; bit < 8; ++bit) {
|
||||
if (data & 0x01) {
|
||||
reflection |= (1 << (7 - bit));
|
||||
}
|
||||
data = (data >> 1);
|
||||
}
|
||||
return (reflection);
|
||||
} else {
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||||
return data;
|
||||
}
|
||||
}
|
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|
||||
/** Bitwise CRC computation
|
||||
*
|
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* @param buffer data buffer
|
||||
* @param size size of the data
|
||||
* @param crc CRC value is filled in, but the value is not the final
|
||||
* @return 0 on success or a negative error code on failure
|
||||
*/
|
||||
int32_t bitwise_compute_partial(const void *buffer, crc_data_size_t size, uint32_t *crc) const
|
||||
{
|
||||
MBED_ASSERT(crc != NULL);
|
||||
MBED_ASSERT(buffer != NULL);
|
||||
|
||||
const uint8_t *data = static_cast<const uint8_t *>(buffer);
|
||||
uint32_t p_crc = *crc;
|
||||
|
||||
if (width < 8) {
|
||||
uint8_t data_byte;
|
||||
for (crc_data_size_t byte = 0; byte < size; byte++) {
|
||||
data_byte = reflect_bytes(data[byte]);
|
||||
for (uint8_t bit = 8; bit > 0; --bit) {
|
||||
p_crc <<= 1;
|
||||
if (( data_byte ^ p_crc) & get_top_bit()) {
|
||||
p_crc ^= polynomial;
|
||||
}
|
||||
data_byte <<= 1;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for (crc_data_size_t byte = 0; byte < size; byte++) {
|
||||
p_crc ^= (reflect_bytes(data[byte]) << (width - 8));
|
||||
|
||||
// Perform modulo-2 division, a bit at a time
|
||||
for (uint8_t bit = 8; bit > 0; --bit) {
|
||||
if (p_crc & get_top_bit()) {
|
||||
p_crc = (p_crc << 1) ^ polynomial;
|
||||
} else {
|
||||
p_crc = (p_crc << 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
*crc = p_crc & get_crc_mask();
|
||||
return 0;
|
||||
}
|
||||
|
||||
/** CRC computation using ROM tables
|
||||
*
|
||||
* @param buffer data buffer
|
||||
* @param size size of the data
|
||||
* @param crc CRC value is filled in, but the value is not the final
|
||||
* @return 0 on success or a negative error code on failure
|
||||
*/
|
||||
int32_t table_compute_partial(const void *buffer, crc_data_size_t size, uint32_t *crc) const
|
||||
{
|
||||
MBED_ASSERT(crc != NULL);
|
||||
MBED_ASSERT(buffer != NULL);
|
||||
|
||||
const uint8_t *data = static_cast<const uint8_t *>(buffer);
|
||||
uint32_t p_crc = *crc;
|
||||
uint8_t data_byte = 0;
|
||||
|
||||
if (width <= 8) {
|
||||
uint8_t *crc_table = (uint8_t *)_crc_table;
|
||||
for (crc_data_size_t byte = 0; byte < size; byte++) {
|
||||
data_byte = reflect_bytes(data[byte]) ^ p_crc;
|
||||
p_crc = crc_table[data_byte];
|
||||
}
|
||||
} else if (width <= 16) {
|
||||
uint16_t *crc_table = (uint16_t *)_crc_table;
|
||||
for (crc_data_size_t byte = 0; byte < size; byte++) {
|
||||
data_byte = reflect_bytes(data[byte]) ^ (p_crc >> (width - 8));
|
||||
p_crc = crc_table[data_byte] ^ (p_crc << 8);
|
||||
}
|
||||
} else {
|
||||
uint32_t *crc_table = (uint32_t *)_crc_table;
|
||||
for (crc_data_size_t byte = 0; byte < size; byte++) {
|
||||
data_byte = reflect_bytes(data[byte]) ^ (p_crc >> (width - 8));
|
||||
p_crc = crc_table[data_byte] ^ (p_crc << 8);
|
||||
}
|
||||
}
|
||||
*crc = p_crc & get_crc_mask();
|
||||
return 0;
|
||||
}
|
||||
|
||||
/** Constructor init called from all specialized cases of constructor
|
||||
* Note: All construtor common code should be in this function.
|
||||
*/
|
||||
void mbed_crc_ctor(void) const
|
||||
{
|
||||
MBED_STATIC_ASSERT(width <= 32, "Max 32-bit CRC supported");
|
||||
}
|
||||
};
|
||||
|
||||
#if defined ( __CC_ARM )
|
||||
#elif defined ( __GNUC__ )
|
||||
#pragma GCC diagnostic pop
|
||||
#endif
|
||||
|
||||
/** @}*/
|
||||
} // namespace mbed
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,147 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2018 ARM Limited
|
||||
*
|
||||
* 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 <stdint.h>
|
||||
#include "drivers/TableCRC.h"
|
||||
|
||||
namespace mbed {
|
||||
/** \addtogroup drivers */
|
||||
/** @{*/
|
||||
|
||||
extern const uint8_t Table_CRC_7Bit_SD[MBED_CRC_TABLE_SIZE] = {
|
||||
0x0, 0x12, 0x24, 0x36, 0x48, 0x5a, 0x6c, 0x7e, 0x90, 0x82, 0xb4, 0xa6, 0xd8, 0xca, 0xfc, 0xee,
|
||||
0x32, 0x20, 0x16, 0x4, 0x7a, 0x68, 0x5e, 0x4c, 0xa2, 0xb0, 0x86, 0x94, 0xea, 0xf8, 0xce, 0xdc,
|
||||
0x64, 0x76, 0x40, 0x52, 0x2c, 0x3e, 0x8, 0x1a, 0xf4, 0xe6, 0xd0, 0xc2, 0xbc, 0xae, 0x98, 0x8a,
|
||||
0x56, 0x44, 0x72, 0x60, 0x1e, 0xc, 0x3a, 0x28, 0xc6, 0xd4, 0xe2, 0xf0, 0x8e, 0x9c, 0xaa, 0xb8,
|
||||
0xc8, 0xda, 0xec, 0xfe, 0x80, 0x92, 0xa4, 0xb6, 0x58, 0x4a, 0x7c, 0x6e, 0x10, 0x2, 0x34, 0x26,
|
||||
0xfa, 0xe8, 0xde, 0xcc, 0xb2, 0xa0, 0x96, 0x84, 0x6a, 0x78, 0x4e, 0x5c, 0x22, 0x30, 0x6, 0x14,
|
||||
0xac, 0xbe, 0x88, 0x9a, 0xe4, 0xf6, 0xc0, 0xd2, 0x3c, 0x2e, 0x18, 0xa, 0x74, 0x66, 0x50, 0x42,
|
||||
0x9e, 0x8c, 0xba, 0xa8, 0xd6, 0xc4, 0xf2, 0xe0, 0xe, 0x1c, 0x2a, 0x38, 0x46, 0x54, 0x62, 0x70,
|
||||
0x82, 0x90, 0xa6, 0xb4, 0xca, 0xd8, 0xee, 0xfc, 0x12, 0x0, 0x36, 0x24, 0x5a, 0x48, 0x7e, 0x6c,
|
||||
0xb0, 0xa2, 0x94, 0x86, 0xf8, 0xea, 0xdc, 0xce, 0x20, 0x32, 0x4, 0x16, 0x68, 0x7a, 0x4c, 0x5e,
|
||||
0xe6, 0xf4, 0xc2, 0xd0, 0xae, 0xbc, 0x8a, 0x98, 0x76, 0x64, 0x52, 0x40, 0x3e, 0x2c, 0x1a, 0x8,
|
||||
0xd4, 0xc6, 0xf0, 0xe2, 0x9c, 0x8e, 0xb8, 0xaa, 0x44, 0x56, 0x60, 0x72, 0xc, 0x1e, 0x28, 0x3a,
|
||||
0x4a, 0x58, 0x6e, 0x7c, 0x2, 0x10, 0x26, 0x34, 0xda, 0xc8, 0xfe, 0xec, 0x92, 0x80, 0xb6, 0xa4,
|
||||
0x78, 0x6a, 0x5c, 0x4e, 0x30, 0x22, 0x14, 0x6, 0xe8, 0xfa, 0xcc, 0xde, 0xa0, 0xb2, 0x84, 0x96,
|
||||
0x2e, 0x3c, 0xa, 0x18, 0x66, 0x74, 0x42, 0x50, 0xbe, 0xac, 0x9a, 0x88, 0xf6, 0xe4, 0xd2, 0xc0,
|
||||
0x1c, 0xe, 0x38, 0x2a, 0x54, 0x46, 0x70, 0x62, 0x8c, 0x9e, 0xa8, 0xba, 0xc4, 0xd6, 0xe0, 0xf2
|
||||
};
|
||||
|
||||
extern const uint8_t Table_CRC_8bit_CCITT[MBED_CRC_TABLE_SIZE] = {
|
||||
0x0, 0x7, 0xe, 0x9, 0x1c, 0x1b, 0x12, 0x15, 0x38, 0x3f, 0x36, 0x31, 0x24, 0x23, 0x2a, 0x2d,
|
||||
0x70, 0x77, 0x7e, 0x79, 0x6c, 0x6b, 0x62, 0x65, 0x48, 0x4f, 0x46, 0x41, 0x54, 0x53, 0x5a, 0x5d,
|
||||
0xe0, 0xe7, 0xee, 0xe9, 0xfc, 0xfb, 0xf2, 0xf5, 0xd8, 0xdf, 0xd6, 0xd1, 0xc4, 0xc3, 0xca, 0xcd,
|
||||
0x90, 0x97, 0x9e, 0x99, 0x8c, 0x8b, 0x82, 0x85, 0xa8, 0xaf, 0xa6, 0xa1, 0xb4, 0xb3, 0xba, 0xbd,
|
||||
0xc7, 0xc0, 0xc9, 0xce, 0xdb, 0xdc, 0xd5, 0xd2, 0xff, 0xf8, 0xf1, 0xf6, 0xe3, 0xe4, 0xed, 0xea,
|
||||
0xb7, 0xb0, 0xb9, 0xbe, 0xab, 0xac, 0xa5, 0xa2, 0x8f, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9d, 0x9a,
|
||||
0x27, 0x20, 0x29, 0x2e, 0x3b, 0x3c, 0x35, 0x32, 0x1f, 0x18, 0x11, 0x16, 0x3, 0x4, 0xd, 0xa,
|
||||
0x57, 0x50, 0x59, 0x5e, 0x4b, 0x4c, 0x45, 0x42, 0x6f, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7d, 0x7a,
|
||||
0x89, 0x8e, 0x87, 0x80, 0x95, 0x92, 0x9b, 0x9c, 0xb1, 0xb6, 0xbf, 0xb8, 0xad, 0xaa, 0xa3, 0xa4,
|
||||
0xf9, 0xfe, 0xf7, 0xf0, 0xe5, 0xe2, 0xeb, 0xec, 0xc1, 0xc6, 0xcf, 0xc8, 0xdd, 0xda, 0xd3, 0xd4,
|
||||
0x69, 0x6e, 0x67, 0x60, 0x75, 0x72, 0x7b, 0x7c, 0x51, 0x56, 0x5f, 0x58, 0x4d, 0x4a, 0x43, 0x44,
|
||||
0x19, 0x1e, 0x17, 0x10, 0x5, 0x2, 0xb, 0xc, 0x21, 0x26, 0x2f, 0x28, 0x3d, 0x3a, 0x33, 0x34,
|
||||
0x4e, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5c, 0x5b, 0x76, 0x71, 0x78, 0x7f, 0x6a, 0x6d, 0x64, 0x63,
|
||||
0x3e, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2c, 0x2b, 0x6, 0x1, 0x8, 0xf, 0x1a, 0x1d, 0x14, 0x13,
|
||||
0xae, 0xa9, 0xa0, 0xa7, 0xb2, 0xb5, 0xbc, 0xbb, 0x96, 0x91, 0x98, 0x9f, 0x8a, 0x8d, 0x84, 0x83,
|
||||
0xde, 0xd9, 0xd0, 0xd7, 0xc2, 0xc5, 0xcc, 0xcb, 0xe6, 0xe1, 0xe8, 0xef, 0xfa, 0xfd, 0xf4, 0xf3
|
||||
};
|
||||
|
||||
extern const uint16_t Table_CRC_16bit_CCITT[MBED_CRC_TABLE_SIZE] = {
|
||||
0x0, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129, 0xa14a, 0xb16b,
|
||||
0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
|
||||
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x420, 0x1401,
|
||||
0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
|
||||
0x3653, 0x2672, 0x1611, 0x630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738,
|
||||
0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x840, 0x1861, 0x2802, 0x3823,
|
||||
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96,
|
||||
0x1a71, 0xa50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
|
||||
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0xc60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd,
|
||||
0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0xe70,
|
||||
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb,
|
||||
0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0xa1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
|
||||
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x2b1, 0x1290, 0x22f3, 0x32d2,
|
||||
0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
|
||||
0x34e2, 0x24c3, 0x14a0, 0x481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8,
|
||||
0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
|
||||
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827,
|
||||
0x18c0, 0x8e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
|
||||
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0xaf1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d,
|
||||
0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0xcc1,
|
||||
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74,
|
||||
0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
|
||||
};
|
||||
|
||||
extern const uint16_t Table_CRC_16bit_IBM[MBED_CRC_TABLE_SIZE] = {
|
||||
0x0, 0x8005, 0x800f, 0xa, 0x801b, 0x1e, 0x14, 0x8011, 0x8033, 0x36, 0x3c, 0x8039,
|
||||
0x28, 0x802d, 0x8027, 0x22, 0x8063, 0x66, 0x6c, 0x8069, 0x78, 0x807d, 0x8077, 0x72,
|
||||
0x50, 0x8055, 0x805f, 0x5a, 0x804b, 0x4e, 0x44, 0x8041, 0x80c3, 0xc6, 0xcc, 0x80c9,
|
||||
0xd8, 0x80dd, 0x80d7, 0xd2, 0xf0, 0x80f5, 0x80ff, 0xfa, 0x80eb, 0xee, 0xe4, 0x80e1,
|
||||
0xa0, 0x80a5, 0x80af, 0xaa, 0x80bb, 0xbe, 0xb4, 0x80b1, 0x8093, 0x96, 0x9c, 0x8099,
|
||||
0x88, 0x808d, 0x8087, 0x82, 0x8183, 0x186, 0x18c, 0x8189, 0x198, 0x819d, 0x8197, 0x192,
|
||||
0x1b0, 0x81b5, 0x81bf, 0x1ba, 0x81ab, 0x1ae, 0x1a4, 0x81a1, 0x1e0, 0x81e5, 0x81ef, 0x1ea,
|
||||
0x81fb, 0x1fe, 0x1f4, 0x81f1, 0x81d3, 0x1d6, 0x1dc, 0x81d9, 0x1c8, 0x81cd, 0x81c7, 0x1c2,
|
||||
0x140, 0x8145, 0x814f, 0x14a, 0x815b, 0x15e, 0x154, 0x8151, 0x8173, 0x176, 0x17c, 0x8179,
|
||||
0x168, 0x816d, 0x8167, 0x162, 0x8123, 0x126, 0x12c, 0x8129, 0x138, 0x813d, 0x8137, 0x132,
|
||||
0x110, 0x8115, 0x811f, 0x11a, 0x810b, 0x10e, 0x104, 0x8101, 0x8303, 0x306, 0x30c, 0x8309,
|
||||
0x318, 0x831d, 0x8317, 0x312, 0x330, 0x8335, 0x833f, 0x33a, 0x832b, 0x32e, 0x324, 0x8321,
|
||||
0x360, 0x8365, 0x836f, 0x36a, 0x837b, 0x37e, 0x374, 0x8371, 0x8353, 0x356, 0x35c, 0x8359,
|
||||
0x348, 0x834d, 0x8347, 0x342, 0x3c0, 0x83c5, 0x83cf, 0x3ca, 0x83db, 0x3de, 0x3d4, 0x83d1,
|
||||
0x83f3, 0x3f6, 0x3fc, 0x83f9, 0x3e8, 0x83ed, 0x83e7, 0x3e2, 0x83a3, 0x3a6, 0x3ac, 0x83a9,
|
||||
0x3b8, 0x83bd, 0x83b7, 0x3b2, 0x390, 0x8395, 0x839f, 0x39a, 0x838b, 0x38e, 0x384, 0x8381,
|
||||
0x280, 0x8285, 0x828f, 0x28a, 0x829b, 0x29e, 0x294, 0x8291, 0x82b3, 0x2b6, 0x2bc, 0x82b9,
|
||||
0x2a8, 0x82ad, 0x82a7, 0x2a2, 0x82e3, 0x2e6, 0x2ec, 0x82e9, 0x2f8, 0x82fd, 0x82f7, 0x2f2,
|
||||
0x2d0, 0x82d5, 0x82df, 0x2da, 0x82cb, 0x2ce, 0x2c4, 0x82c1, 0x8243, 0x246, 0x24c, 0x8249,
|
||||
0x258, 0x825d, 0x8257, 0x252, 0x270, 0x8275, 0x827f, 0x27a, 0x826b, 0x26e, 0x264, 0x8261,
|
||||
0x220, 0x8225, 0x822f, 0x22a, 0x823b, 0x23e, 0x234, 0x8231, 0x8213, 0x216, 0x21c, 0x8219
|
||||
};
|
||||
|
||||
extern const uint32_t Table_CRC_32bit_ANSI[MBED_CRC_TABLE_SIZE] = {
|
||||
0x0, 0x4c11db7, 0x9823b6e, 0xd4326d9, 0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005,
|
||||
0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd,
|
||||
0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
|
||||
0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd,
|
||||
0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5,
|
||||
0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
|
||||
0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95,
|
||||
0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d,
|
||||
0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
|
||||
0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x18aeb13, 0x54bf6a4, 0x808d07d, 0xcc9cdca,
|
||||
0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02,
|
||||
0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
|
||||
0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692,
|
||||
0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a,
|
||||
0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
|
||||
0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, 0xdc3abded, 0xd8fba05a,
|
||||
0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb,
|
||||
0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
|
||||
0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b,
|
||||
0x315d626, 0x7d4cb91, 0xa97ed48, 0xe56f0ff, 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623,
|
||||
0xf12f560e, 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
|
||||
0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3,
|
||||
0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b,
|
||||
0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
|
||||
0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c,
|
||||
0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24,
|
||||
0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30, 0x29f3d35, 0x65e2082, 0xb1d065b, 0xfdc1bec,
|
||||
0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654,
|
||||
0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c,
|
||||
0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
|
||||
0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c,
|
||||
0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
|
||||
};
|
||||
|
||||
/** @}*/
|
||||
} // namespace mbed
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2017 ARM Limited
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef TABLE_CRC_H
|
||||
#define TABLE_CRC_H
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
namespace mbed {
|
||||
/** \addtogroup drivers */
|
||||
/** @{*/
|
||||
|
||||
#define MBED_CRC_TABLE_SIZE 256
|
||||
|
||||
extern const uint8_t Table_CRC_7Bit_SD[MBED_CRC_TABLE_SIZE];
|
||||
extern const uint8_t Table_CRC_8bit_CCITT[MBED_CRC_TABLE_SIZE];
|
||||
extern const uint16_t Table_CRC_16bit_CCITT[MBED_CRC_TABLE_SIZE];
|
||||
extern const uint16_t Table_CRC_16bit_IBM[MBED_CRC_TABLE_SIZE];
|
||||
extern const uint32_t Table_CRC_32bit_ANSI[MBED_CRC_TABLE_SIZE];
|
||||
|
||||
/** @}*/
|
||||
} // namespace mbed
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue