mcuxClCrc_Crc32_example.c

Example of using function computeCRC32 to perform a CRC-32 checksum generation on a given data buffer.

Example of using function computeCRC32 to perform a CRC-32 checksum generation on a given data buffer.

/*--------------------------------------------------------------------------*/
/* Copyright 2021, 2023 NXP                                                 */
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#include <stdint.h>
#include <stddef.h>
 
#include <mcuxClCrc.h> // Interface to the entire mcuxClCrc component
#include <mcuxClCore_Examples.h>
#include <mcuxCsslFlowProtection.h>
#include <mcuxClCore_FunctionIdentifiers.h> // Code flow protection
 
/**********************************************************/
/* Example test vectors                                   */
/**********************************************************/

static const uint8_t data[] = {
    0xA1u, 0xEBu, 0xC4u, 0xBFu, 0x58u, 0xE7u, 0xB3u, 0xA3u,
    0xD3u, 0x08u, 0x41u, 0xEDu, 0x0Bu, 0x99u, 0x56u, 0x2Au,
    0xEBu, 0xB8u, 0xDEu, 0x6Du, 0x15u, 0xAEu, 0x26u
 };
 
 
#define NCP_CL_CRC_REF_RESULT 0x08245E2Fu   // Reference result of CRC-32 operation on given data buffer.
 

MCUXCLEXAMPLE_FUNCTION(mcuxClCrc_Crc32_example)
{
    MCUX_CSSL_FP_FUNCTION_CALL_BEGIN(result, token, mcuxClCrc_computeCRC32(
                                            data,
                                            sizeof(data))
    );
 
    if((MCUX_CSSL_FP_FUNCTION_CALLED(mcuxClCrc_computeCRC32) != token) || (NCP_CL_CRC_REF_RESULT != result))
    {
        return MCUXCLEXAMPLE_STATUS_ERROR;
    }
    MCUX_CSSL_FP_FUNCTION_CALL_END();
 
    return MCUXCLEXAMPLE_STATUS_OK;
}