| /* |
| * ------------------------------------------- |
| * MSP432 DriverLib - v3_10_00_09 |
| * ------------------------------------------- |
| * |
| * --COPYRIGHT--,BSD,BSD |
| * Copyright (c) 2014, Texas Instruments Incorporated |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * * Neither the name of Texas Instruments Incorporated nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * --/COPYRIGHT--*/ |
| #ifndef _CRC_32_H |
| |
| //***************************************************************************** |
| // |
| //! \addtogroup crc32_api |
| //! @{ |
| // |
| //***************************************************************************** |
| |
| #include <stdint.h> |
| |
| #define CRC16_MODE 0x00 |
| #define CRC32_MODE 0x01 |
| |
| //***************************************************************************** |
| // |
| //! Sets the seed for the CRC. |
| //! |
| //! \param seed is the seed for the CRC to start generating a signature from. |
| //! Modified bits are \b CRC16INIRESL0 of \b CRC16INIRESL0 register. |
| //! \b CRC32INIRESL0 of \b CRC32INIRESL0 register |
| //! \param crcType selects between CRC32 and CRC16 |
| //! Valid values are \b CRC16_MODE and \b CRC32_MODE |
| //! |
| //! This function sets the seed for the CRC to begin generating a signature with |
| //! the given seed and all passed data. Using this function resets the CRC32 |
| //! signature. |
| //! |
| //! \return NONE |
| // |
| //***************************************************************************** |
| extern void CRC32_setSeed(uint32_t seed, uint_fast8_t crcType); |
| |
| //***************************************************************************** |
| // |
| //! Sets the 8 Bit data to add into the CRC module to generate a new signature. |
| //! |
| //! \param dataIn is the data to be added, through the CRC module, to the |
| //! signature. |
| //! Modified bits are \b CRC16DIB0 of \b CRC16DIB0 register. |
| //! \b CRC32DIB0 of \b CRC32DIB0 register. |
| //! \param crcType selects between CRC32 and CRC16 |
| //! Valid values are \b CRC16_MODE and \b CRC32_MODE |
| //! |
| //! This function sets the given data into the CRC module to generate the new |
| //! signature from the current signature and new data. Bit 0 is |
| //! treated as LSB. |
| //! |
| //! \return NONE |
| // |
| //***************************************************************************** |
| extern void CRC32_set8BitData(uint8_t dataIn, uint_fast8_t crcType); |
| |
| //***************************************************************************** |
| // |
| //! Sets the 16 Bit data to add into the CRC module to generate a new signature. |
| //! |
| //! \param dataIn is the data to be added, through the CRC module, to the |
| //! signature. |
| //! Modified bits are \b CRC16DIW0 of \b CRC16DIW0 register. |
| //! \b CRC32DIW0 of \b CRC32DIW0 register. |
| //! \param crcType selects between CRC32 and CRC16 |
| //! Valid values are \b CRC16_MODE and \b CRC32_MODE |
| //! |
| //! This function sets the given data into the CRC module to generate the new |
| //! signature from the current signature and new data. Bit 0 is |
| //! treated as LSB |
| //! |
| //! \return NONE |
| // |
| //***************************************************************************** |
| extern void CRC32_set16BitData(uint16_t dataIn, uint_fast8_t crcType); |
| |
| //***************************************************************************** |
| // |
| //! Sets the 32 Bit data to add into the CRC module to generate a new signature. |
| //! Available only for CRC32_MODE and not for CRC16_MODE |
| //! \param dataIn is the data to be added, through the CRC module, to the |
| //! signature. |
| //! Modified bits are \b CRC32DIL0 of \b CRC32DIL0 register. |
| //! |
| //! This function sets the given data into the CRC module to generate the new |
| //! signature from the current signature and new data. Bit 0 is |
| //! treated as LSB |
| //! |
| //! \return NONE |
| // |
| //***************************************************************************** |
| extern void CRC32_set32BitData(uint32_t dataIn); |
| |
| //***************************************************************************** |
| // |
| //! Translates the data by reversing the bits in each 8 bit data and then sets |
| //! this data to add into the CRC module to generate a new signature. |
| //! |
| //! \param dataIn is the data to be added, through the CRC module, to the |
| //! signature. |
| //! Modified bits are \b CRC16DIRBB0 of \b CRC16DIRBB0 register. |
| //! \b CRC32DIRBB0 of \b CRC32DIRBB0 register. |
| //! \param crcType selects between CRC32 and CRC16 |
| //! Valid values are \b CRC16_MODE and \b CRC32_MODE |
| //! |
| //! This function first reverses the bits in each byte of the data and then |
| //! generates the new signature from the current signature and new translated |
| //! data. Bit 0 is treated as MSB. |
| //! |
| //! \return NONE |
| // |
| //***************************************************************************** |
| extern void CRC32_set8BitDataReversed(uint8_t dataIn, uint_fast8_t crcType); |
| |
| //***************************************************************************** |
| // |
| //! Translates the data by reversing the bits in each 16 bit data and then |
| //! sets this data to add into the CRC module to generate a new signature. |
| //! |
| //! \param dataIn is the data to be added, through the CRC module, to the |
| //! signature. |
| //! Modified bits are \b CRC16DIRBW0 of \b CRC16DIRBW0 register. |
| //! \b CRC32DIRBW0 of \b CRC32DIRBW0 register. |
| //! \param crcType selects between CRC32 and CRC16 |
| //! Valid values are \b CRC16_MODE and \b CRC32_MODE |
| //! |
| //! This function first reverses the bits in each byte of the data and then |
| //! generates the new signature from the current signature and new translated |
| //! data. Bit 0 is treated as MSB. |
| //! |
| //! \return NONE |
| // |
| //***************************************************************************** |
| extern void CRC32_set16BitDataReversed(uint16_t dataIn, uint_fast8_t crcType); |
| |
| //***************************************************************************** |
| // |
| //! Translates the data by reversing the bits in each 32 Bit Data and then |
| //! sets this data to add into the CRC module to generate a new signature. |
| //! Available only for CRC32 mode and not for CRC16 mode |
| //! \param dataIn is the data to be added, through the CRC module, to the |
| //! signature. |
| //! Modified bits are \b CRC32DIRBL0 of \b CRC32DIRBL0 register. |
| //! |
| //! This function first reverses the bits in each byte of the data and then |
| //! generates the new signature from the current signature and new translated |
| //! data. Bit 0 is treated as MSB. |
| //! |
| //! \return NONE |
| // |
| //***************************************************************************** |
| extern void CRC32_set32BitDataReversed(uint32_t dataIn); |
| |
| //***************************************************************************** |
| // |
| //! Returns the value of CRC Signature Result. |
| //! |
| //! \param crcType selects between CRC32 and CRC16 |
| //! Valid values are \b CRC16_MODE and \b CRC32_MODE |
| //! |
| //! This function returns the value of the signature result generated by the CRC. |
| //! Bit 0 is treated as LSB. |
| //! \return uint32_t Result |
| // |
| //***************************************************************************** |
| extern uint32_t CRC32_getResult(uint_fast8_t crcType); |
| |
| //***************************************************************************** |
| // |
| //! Returns the bit-wise reversed format of the 32 bit Signature Result. |
| //! |
| //! \param crcType selects between CRC32 and CRC16 |
| //! Valid values are \b CRC16_MODE and \b CRC32_MODE |
| //! |
| //! This function returns the bit-wise reversed format of the Signature Result. |
| //! Bit 0 is treated as MSB. |
| //! |
| //! \return uint32_t Result |
| // |
| //***************************************************************************** |
| extern uint32_t CRC32_getResultReversed(uint_fast8_t crcType); |
| |
| /* Defines for future devices that might have multiple instances */ |
| #define CRC32_setSeedMultipleInstance(a,b,c) CRC32_setSeed(b,c) |
| #define CRC32_set8BitDataMultipleInstance(a,b,c) CRC32_set8BitData(b,c) |
| #define CRC32_set16BitDataMultipleInstance(a,b,c) CRC32_set16BitData(b,c) |
| #define CRC32_set32BitDataMultipleInstance(a,b) CRC32_set32BitData(b) |
| #define CRC32_set8BitDataReversedMultipleInstance(a,b,c) CRC32_set8BitDataReversed(b,c) |
| #define CRC32_set16BitDataReversedMultipleInstance(a,b,c) CRC32_set16BitDataReversed(b,c) |
| #define CRC32_set32BitDataReversedMultipleInstance(a,b) CRC32_set32BitDataReversed(b) |
| #define CRC32_getResultMultipleInstance(a,b) CRC32_getResult() |
| #define CRC32_getResultReversedMultipleInstance(a,b) CRC32_getResultReversed(b) |
| |
| //***************************************************************************** |
| // |
| // Close the Doxygen group. |
| //! @} |
| // |
| //***************************************************************************** |
| |
| |
| #endif |