ST STM32F31xx

UM1581
CRC calculation unit (CRC)
DocID023800 Rev 1
155/584
Parameters
 CRC_ReverseInputData : Specifies the reverse operation
on input data. This parameter can be:
 CRC_ReverseInputData_No : No reverse operation is
performed
 CRC_ReverseInputData_8bits : reverse operation
performed on 8 bits
 CRC_ReverseInputData_16bits : reverse operation
performed on 16 bits
 CRC_ReverseInputData_32bits : reverse operation
performed on 32 bits
Return values
 None.
Notes
 None.
6.2.5.5 CRC_ReverseOutputDataCmd
Function Name
void CRC_ReverseOutputDataCmd ( FunctionalState
NewState)
Function Description
Enables or disable the reverse operation on output data.
Parameters
 NewState : new state of the reverse operation on output
data. This parameter can be: ENABLE or DISABLE.
Return values
 None.
Notes
 None.
6.2.5.6 CRC_SetInitRegister
Function Name
void CRC_SetInitRegister ( uint32_t CRC_InitValue)
Function Description
Initializes the INIT register.
Parameters
 CRC_InitValue : Programmable initial CRC value
Return values
 None.
Notes
 After resetting CRC calculation unit, CRC_InitValue is stored
in DR register