#include "xl_crc.h"
#include "Hal_crc.h"
#include "xl_sim.h"

#define SELECT_16or32 1

extern void Hal_CrcInit(void)
{
    SIM_SCGC_Cmd(SIM_SCGC_CRC, ENABLE);
#if (0 == SELECT_16or32)
    CRC_InitTypeDef CRC_InitStructure;
    CRC_InitStructure.CRC_DataOutInvert = CRC_DATAOUT_NoInvert; // no invert
    CRC_InitStructure.CRC_DataWidth = CRC_Width16Bits;
    CRC_InitStructure.CRC_PolyData = 0x8005;
    CRC_InitStructure.CRC_Transpose16Only = CRC16_TRANSPOSE_IN16;
    CRC_InitStructure.CRC_WriteTranspose = CRC_NoTranspose;
    CRC_Init(&CRC_InitStructure);
#else
    CRC_InitTypeDef CRC_InitStructure;
    CRC_InitStructure.CRC_DataOutInvert = CRC_DATAOUT_Invert; // no invert
    CRC_InitStructure.CRC_DataWidth = CRC_Width32Bits;
    CRC_InitStructure.CRC_PolyData = 0x04c11db7;
    CRC_InitStructure.CRC_Transpose16Only = CRC16_TRANSPOSE_IN32;
    CRC_InitStructure.CRC_WriteTranspose = CRC_TransposeBoth;
    CRC_Init(&CRC_InitStructure);
#endif
}