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//***************************************************************************** | |
// | |
// crc.h - Driver for the CRC Module. | |
// | |
//***************************************************************************** | |
#ifndef __MSP430WARE_CRC_H__ | |
#define __MSP430WARE_CRC_H__ | |
#include "inc/hw_memmap.h" | |
#ifdef __MSP430_HAS_CRC__ | |
//***************************************************************************** | |
// | |
// If building with a C++ compiler, make all of the definitions in this header | |
// have a C binding. | |
// | |
//***************************************************************************** | |
#ifdef __cplusplus | |
extern "C" | |
{ | |
#endif | |
//***************************************************************************** | |
// | |
// Prototypes for the APIs. | |
// | |
//***************************************************************************** | |
//***************************************************************************** | |
// | |
//! \brief Sets the seed for the CRC. | |
//! | |
//! 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 CRC | |
//! signature. | |
//! | |
//! \param baseAddress is the base address of the CRC module. | |
//! \param seed is the seed for the CRC to start generating a signature from. | |
//! \n Modified bits are \b CRCINIRES of \b CRCINIRES register. | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC_setSeed(uint16_t baseAddress, | |
uint16_t seed); | |
//***************************************************************************** | |
// | |
//! \brief Sets the 16 bit data to add into the CRC module to generate a new | |
//! signature. | |
//! | |
//! This function sets the given data into the CRC module to generate the new | |
//! signature from the current signature and new data. | |
//! | |
//! \param baseAddress is the base address of the CRC module. | |
//! \param dataIn is the data to be added, through the CRC module, to the | |
//! signature. | |
//! \n Modified bits are \b CRCDI of \b CRCDI register. | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC_set16BitData(uint16_t baseAddress, | |
uint16_t dataIn); | |
//***************************************************************************** | |
// | |
//! \brief Sets the 8 bit data to add into the CRC module to generate a new | |
//! signature. | |
//! | |
//! This function sets the given data into the CRC module to generate the new | |
//! signature from the current signature and new data. | |
//! | |
//! \param baseAddress is the base address of the CRC module. | |
//! \param dataIn is the data to be added, through the CRC module, to the | |
//! signature. | |
//! \n Modified bits are \b CRCDI of \b CRCDI register. | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC_set8BitData(uint16_t baseAddress, | |
uint8_t dataIn); | |
//***************************************************************************** | |
// | |
//! \brief Translates the 16 bit data by reversing the bits in each byte and | |
//! then sets this data to add into the CRC 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. | |
//! | |
//! \param baseAddress is the base address of the CRC module. | |
//! \param dataIn is the data to be added, through the CRC module, to the | |
//! signature. | |
//! \n Modified bits are \b CRCDIRB of \b CRCDIRB register. | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC_set16BitDataReversed(uint16_t baseAddress, | |
uint16_t dataIn); | |
//***************************************************************************** | |
// | |
//! \brief Translates the 8 bit data by reversing the bits in each byte and | |
//! then sets this data to add into the CRC 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. | |
//! | |
//! \param baseAddress is the base address of the CRC module. | |
//! \param dataIn is the data to be added, through the CRC module, to the | |
//! signature. | |
//! \n Modified bits are \b CRCDIRB of \b CRCDIRB register. | |
//! | |
//! \return None | |
// | |
//***************************************************************************** | |
extern void CRC_set8BitDataReversed(uint16_t baseAddress, | |
uint8_t dataIn); | |
//***************************************************************************** | |
// | |
//! \brief Returns the value currently in the Data register. | |
//! | |
//! This function returns the value currently in the data register. If set in | |
//! byte bits reversed format, then the translated data would be returned. | |
//! | |
//! \param baseAddress is the base address of the CRC module. | |
//! | |
//! \return The value currently in the data register | |
// | |
//***************************************************************************** | |
extern uint16_t CRC_getData(uint16_t baseAddress); | |
//***************************************************************************** | |
// | |
//! \brief Returns the value pf the Signature Result. | |
//! | |
//! This function returns the value of the signature result generated by the | |
//! CRC. | |
//! | |
//! \param baseAddress is the base address of the CRC module. | |
//! | |
//! \return The value currently in the data register | |
// | |
//***************************************************************************** | |
extern uint16_t CRC_getResult(uint16_t baseAddress); | |
//***************************************************************************** | |
// | |
//! \brief Returns the bit-wise reversed format of the Signature Result. | |
//! | |
//! This function returns the bit-wise reversed format of the Signature Result. | |
//! | |
//! \param baseAddress is the base address of the CRC module. | |
//! | |
//! \return The bit-wise reversed format of the Signature Result | |
// | |
//***************************************************************************** | |
extern uint16_t CRC_getResultBitsReversed(uint16_t baseAddress); | |
//***************************************************************************** | |
// | |
// Mark the end of the C bindings section for C++ compilers. | |
// | |
//***************************************************************************** | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif | |
#endif // __MSP430WARE_CRC_H__ |