BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, unsigned int cbFrameLength)
{
DWORD dwCRC;
dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4);
if (cpu_to_le32(*((PDWORD)(pbyBuffer + cbFrameLength - 4))) != dwCRC)
return FALSE;
return TRUE;
}
/*
* Description: Check CRC value of the buffer if Ok or not
*
* Parameters:
* In:
* pbyBuffer - pointer of buffer (normally is rx buffer)
* cbFrameLength - length of buffer, including CRC portion
* Out:
* none
*
* Return Value: true if ok; false if error.
*
*/
bool ETHbIsBufferCrc32Ok (unsigned char *pbyBuffer, unsigned int cbFrameLength)
{
unsigned long dwCRC;
dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4);
if (cpu_to_le32(*((unsigned long *)(pbyBuffer + cbFrameLength - 4))) != dwCRC) {
return false;
}
return true;
}
