version13

version 11/12 auch noch
This commit is contained in:
2025-05-23 11:44:24 +02:00
parent ec01320c33
commit b98c372f7e
71 changed files with 13172 additions and 16350 deletions

View File

@ -94,44 +94,53 @@ HAL_StatusTypeDef HAL_CRCEx_Polynomial_Set(CRC_HandleTypeDef *hcrc, uint32_t Pol
/* Check the parameters */
assert_param(IS_CRC_POL_LENGTH(PolyLength));
/* check polynomial definition vs polynomial size:
* polynomial length must be aligned with polynomial
* definition. HAL_ERROR is reported if Pol degree is
* larger than that indicated by PolyLength.
* Look for MSB position: msb will contain the degree of
* the second to the largest polynomial member. E.g., for
* X^7 + X^6 + X^5 + X^2 + 1, msb = 6. */
while ((msb-- > 0U) && ((Pol & ((uint32_t)(0x1U) << (msb & 0x1FU))) == 0U))
/* Ensure that the generating polynomial is odd */
if ((Pol & (uint32_t)(0x1U)) == 0U)
{
status = HAL_ERROR;
}
switch (PolyLength)
else
{
case CRC_POLYLENGTH_7B:
if (msb >= HAL_CRC_LENGTH_7B)
{
status = HAL_ERROR;
}
break;
case CRC_POLYLENGTH_8B:
if (msb >= HAL_CRC_LENGTH_8B)
{
status = HAL_ERROR;
}
break;
case CRC_POLYLENGTH_16B:
if (msb >= HAL_CRC_LENGTH_16B)
{
status = HAL_ERROR;
}
break;
/* check polynomial definition vs polynomial size:
* polynomial length must be aligned with polynomial
* definition. HAL_ERROR is reported if Pol degree is
* larger than that indicated by PolyLength.
* Look for MSB position: msb will contain the degree of
* the second to the largest polynomial member. E.g., for
* X^7 + X^6 + X^5 + X^2 + 1, msb = 6. */
while ((msb-- > 0U) && ((Pol & ((uint32_t)(0x1U) << (msb & 0x1FU))) == 0U))
{
}
case CRC_POLYLENGTH_32B:
/* no polynomial definition vs. polynomial length issue possible */
break;
default:
status = HAL_ERROR;
break;
switch (PolyLength)
{
case CRC_POLYLENGTH_7B:
if (msb >= HAL_CRC_LENGTH_7B)
{
status = HAL_ERROR;
}
break;
case CRC_POLYLENGTH_8B:
if (msb >= HAL_CRC_LENGTH_8B)
{
status = HAL_ERROR;
}
break;
case CRC_POLYLENGTH_16B:
if (msb >= HAL_CRC_LENGTH_16B)
{
status = HAL_ERROR;
}
break;
case CRC_POLYLENGTH_32B:
/* no polynomial definition vs. polynomial length issue possible */
break;
default:
status = HAL_ERROR;
break;
}
}
if (status == HAL_OK)
{
@ -201,8 +210,6 @@ HAL_StatusTypeDef HAL_CRCEx_Output_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_
}
/**
* @}
*/