#include <cfg/os.h>
#include <cfg/clock.h>
#include <cfg/arch.h>
#include <cfg/arch/gpio.h>
#include <arch/cm3.h>
#include <arch/cm3/stm/stm32xxxx.h>
#include <arch/cm3/stm/stm32xxxx_rcc.h>

Include dependency graph for stm32_crc.c:

Functions
void	CRC_ResetDR (void)
	Resets the CRC Data register (DR).
uint32_t	CRC_CalcCRC (uint32_t Data)
	Computes the 32-bit CRC of a given data word(32-bit).
uint32_t	CRC_CalcBlockCRC (uint32_t pBuffer[], uint32_t BufferLength)
	Computes the 32-bit CRC of a given buffer of data word(32-bit).
uint32_t	CRC_GetCRC (void)
	Returns the current CRC value.
void	CRC_SetIDRegister (uint8_t IDValue)
	Stores a 8-bit data in the Independent Data(ID) register.
uint8_t	CRC_GetIDRegister (void)
	Returns the 8-bit data stored in the Independent Data(ID) register.
void	CRC_Init (void)
	Init the CRC machine.

Function Documentation

void CRC_ResetDR ( void )

Resets the CRC Data register (DR).

Parameters:

None

Return values:

: None

References CRC, and CRC_CR_RESET.

uint32_t CRC_CalcCRC ( uint32_t Data )

Computes the 32-bit CRC of a given data word(32-bit).

Parameters:

Data,: data word(32-bit) to compute its CRC

Return values:

:	32-bit CRC

References CRC.

uint32_t CRC_CalcBlockCRC	(	uint32_t	pBuffer[],
		uint32_t	BufferLength
	)

Computes the 32-bit CRC of a given buffer of data word(32-bit).

Parameters:

pBuffer,:	pointer to the buffer containing the data to be computed
BufferLength,:	length of the buffer to be computed

Return values:

:	32-bit CRC

References CRC.

uint32_t CRC_GetCRC ( void )

Returns the current CRC value.

Parameters:

None

Return values:

:	32-bit CRC

References CRC.

void CRC_SetIDRegister ( uint8_t IDValue )

Stores a 8-bit data in the Independent Data(ID) register.

Parameters:

IDValue,: 8-bit value to be stored in the ID register

Return values:

: None

References CRC.

uint8_t CRC_GetIDRegister ( void )

Returns the 8-bit data stored in the Independent Data(ID) register.

Parameters:

None

Return values:

:	8-bit value of the ID register

References CRC.

void CRC_Init ( void )

Init the CRC machine.

Parameters:

None

Return values:

:None

References CRC, CRC_CR_RESET, RCC, RCC_AHB1ENR_CRCEN, and RCC_AHBPeriph_CRC.

Functions

Function Documentation