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//***************************************************************************** | |
// | |
// crc32.h - Driver for the CRC32 Module. | |
// | |
//***************************************************************************** | |
#ifndef __MSP430WARE_CRC32_H__ | |
#define __MSP430WARE_CRC32_H__ | |
#include "inc/hw_memmap.h" | |
#ifdef __MSP430_HAS_CRC32__ | |
//***************************************************************************** | |
// | |
// If building with a C++ compiler, make all of the definitions in this header | |
// have a C binding. | |
// | |
//***************************************************************************** | |
#ifdef __cplusplus | |
extern "C" | |
{ | |
#endif | |
//***************************************************************************** | |
// | |
// The following are values that can be passed to the crcMode parameter for | |
// functions: CRC32_setSeed(), CRC32_getResult(), CRC32_getResultReversed(), | |
// CRC32_set8BitDataReversed(), CRC32_set16BitDataReversed(), | |
// CRC32_set8BitData(), and CRC32_set16BitData(). | |
// | |
//***************************************************************************** | |
#define CRC32_MODE (0x01) | |
#define CRC16_MODE (0x00) | |
//***************************************************************************** | |
// | |
// Prototypes for the APIs. | |
// | |
//***************************************************************************** | |
//***************************************************************************** | |
// | |
//! \brief Sets the seed for the CRC32. | |
//! | |
//! This function sets the seed for the CRC32 to begin generating a signature | |
//! with the given seed and all passed data. Using this function resets the | |
//! CRC32 signature. | |
//! | |
//! \param seed is the seed for the CRC32 to start generating a signature from. | |
//! \n Modified bits are \b CRC32INIRESL0 of \b CRC32INIRESL0 register. | |
//! \param crcMode selects the mode of operation for the CRC32 | |
//! Valid values are: | |
//! - \b CRC32_MODE - 32 Bit Mode | |
//! - \b CRC16_MODE - 16 Bit Mode | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC32_setSeed(uint32_t seed, | |
uint8_t crcMode); | |
//***************************************************************************** | |
// | |
//! \brief Sets the 8 bit data to add into the CRC32 module to generate a new | |
//! signature. | |
//! | |
//! This function sets the given data into the CRC32 module to generate the new | |
//! signature from the current signature and new data. Bit 0 is treated as the | |
//! LSB. | |
//! | |
//! \param dataIn is the data to be added, through the CRC32 module, to the | |
//! signature. | |
//! \param crcMode selects the mode of operation for the CRC32 | |
//! Valid values are: | |
//! - \b CRC32_MODE - 32 Bit Mode | |
//! - \b CRC16_MODE - 16 Bit Mode | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC32_set8BitData(uint8_t dataIn, | |
uint8_t crcMode); | |
//***************************************************************************** | |
// | |
//! \brief Sets the 16 bit data to add into the CRC32 module to generate a new | |
//! signature. | |
//! | |
//! This function sets the given data into the CRC32 module to generate the new | |
//! signature from the current signature and new data. Bit 0 is treated as the | |
//! LSB. | |
//! | |
//! \param dataIn is the data to be added, through the CRC32 module, to the | |
//! signature. | |
//! \param crcMode selects the mode of operation for the CRC32 | |
//! Valid values are: | |
//! - \b CRC32_MODE - 32 Bit Mode | |
//! - \b CRC16_MODE - 16 Bit Mode | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC32_set16BitData(uint16_t dataIn, | |
uint8_t crcMode); | |
//***************************************************************************** | |
// | |
//! \brief Sets the 32 bit data to add into the CRC32 module to generate a new | |
//! signature. | |
//! | |
//! This function sets the given data into the CRC32 module to generate the new | |
//! signature from the current signature and new data. Bit 0 is treated as the | |
//! LSB. | |
//! | |
//! \param dataIn is the data to be added, through the CRC32 module, to the | |
//! signature. | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC32_set32BitData(uint32_t dataIn); | |
//***************************************************************************** | |
// | |
//! \brief Translates the data by reversing the bits in each 8 bit data and | |
//! then sets this data to add into the CRC32 module to generate a new | |
//! signature. | |
//! | |
//! 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 the MSB. | |
//! | |
//! \param dataIn is the data to be added, through the CRC32 module, to the | |
//! signature. | |
//! \param crcMode selects the mode of operation for the CRC32 | |
//! Valid values are: | |
//! - \b CRC32_MODE - 32 Bit Mode | |
//! - \b CRC16_MODE - 16 Bit Mode | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC32_set8BitDataReversed(uint8_t dataIn, | |
uint8_t crcMode); | |
//***************************************************************************** | |
// | |
//! \brief Translates the data by reversing the bits in each 16 bit data and | |
//! then sets this data to add into the CRC32 module to generate a new | |
//! signature. | |
//! | |
//! 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 the MSB. | |
//! | |
//! \param dataIn is the data to be added, through the CRC32 module, to the | |
//! signature. | |
//! \param crcMode selects the mode of operation for the CRC32 | |
//! Valid values are: | |
//! - \b CRC32_MODE - 32 Bit Mode | |
//! - \b CRC16_MODE - 16 Bit Mode | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC32_set16BitDataReversed(uint16_t dataIn, | |
uint8_t crcMode); | |
//***************************************************************************** | |
// | |
//! \brief Translates the data by reversing the bits in each 32 bit data and | |
//! then sets this data to add into the CRC32 module to generate a new | |
//! signature. | |
//! | |
//! 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 the MSB. | |
//! | |
//! \param dataIn is the data to be added, through the CRC32 module, to the | |
//! signature. | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC32_set32BitDataReversed(uint32_t dataIn); | |
//***************************************************************************** | |
// | |
//! \brief Returns the value of the signature result. | |
//! | |
//! This function returns the value of the signature result generated by the | |
//! CRC32. Bit 0 is treated as LSB. | |
//! | |
//! \param crcMode selects the mode of operation for the CRC32 | |
//! Valid values are: | |
//! - \b CRC32_MODE - 32 Bit Mode | |
//! - \b CRC16_MODE - 16 Bit Mode | |
//! | |
//! \return The signature result | |
// | |
//***************************************************************************** | |
extern uint32_t CRC32_getResult(uint8_t crcMode); | |
//***************************************************************************** | |
// | |
//! \brief Returns the bit-wise reversed format of the 32 bit signature result. | |
//! | |
//! This function returns the bit-wise reversed format of the signature result. | |
//! Bit 0 is treated as MSB. | |
//! | |
//! \param crcMode selects the mode of operation for the CRC32 | |
//! Valid values are: | |
//! - \b CRC32_MODE - 32 Bit Mode | |
//! - \b CRC16_MODE - 16 Bit Mode | |
//! | |
//! \return The bit-wise reversed format of the signature result | |
// | |
//***************************************************************************** | |
extern uint32_t CRC32_getResultReversed(uint8_t crcMode); | |
//***************************************************************************** | |
// | |
// Mark the end of the C bindings section for C++ compilers. | |
// | |
//***************************************************************************** | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif | |
#endif // __MSP430WARE_CRC32_H__ |