Exemplos de LL_CRC_Write_IDR em C++ (Cpp)

Exemplo n.º 1

Arquivo: stm32f3xx_ll_crc.c Projeto: Archcady/mbed-os

/**
  * @brief  De-initialize CRC registers (Registers restored to their default values).
  * @param  CRCx CRC Instance
  * @retval An ErrorStatus enumeration value:
  *          - SUCCESS: CRC registers are de-initialized
  *          - ERROR: CRC registers are not de-initialized
  */
ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx)
{
  ErrorStatus status = SUCCESS;

  /* Check the parameters */
  assert_param(IS_CRC_ALL_INSTANCE(CRCx));

  if (CRCx == CRC)
  {
    /* Set programmable polynomial size in CR register to reset value (32 bits)*/
    LL_CRC_SetPolynomialSize(CRCx, LL_CRC_POLYLENGTH_32B);

    /* Set programmable polynomial in POL register to reset value */
    LL_CRC_SetPolynomialCoef(CRCx, LL_CRC_DEFAULT_CRC32_POLY);

    /* Set INIT register to reset value */
    LL_CRC_SetInitialData(CRCx, LL_CRC_DEFAULT_CRC_INITVALUE);

    /* Set Reversibility options on I/O data values in CR register to reset value */
    LL_CRC_SetInputDataReverseMode(CRCx, LL_CRC_INDATA_REVERSE_NONE);
    LL_CRC_SetOutputDataReverseMode(CRCx, LL_CRC_OUTDATA_REVERSE_NONE);

    /* Reset the CRC calculation unit */
    LL_CRC_ResetCRCCalculationUnit(CRCx);

    /* Reset IDR register */
    LL_CRC_Write_IDR(CRCx, 0x00U);
  }
  else
  {
    status = ERROR;
  }

  return (status);
}

Exemplo n.º 2

Arquivo: stm32f1xx_ll_crc.c Projeto: 4712/cleanflight

/**
  * @brief  De-initialize CRC registers (Registers restored to their default values).
  * @param  CRCx CRC Instance
  * @retval An ErrorStatus enumeration value:
  *          - SUCCESS: CRC registers are de-initialized
  *          - ERROR: CRC registers are not de-initialized
  */
ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx)
{
  ErrorStatus status = SUCCESS;

  /* Check the parameters */
  assert_param(IS_CRC_ALL_INSTANCE(CRCx));

  if (CRCx == CRC)
  {

    /* Reset the CRC calculation unit */
    LL_CRC_ResetCRCCalculationUnit(CRCx);

    /* Reset IDR register */
    LL_CRC_Write_IDR(CRCx, 0x00U);
  }
  else
  {
    status = ERROR;
  }

  return (status);
}