/*
 *  Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/ 
 *  
 *  Redistribution and use in source and binary forms, with or without 
 *  modification, are permitted provided that the following conditions 
 *  are met:
 *
 *    Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer.
 *
 *    Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the   
 *    distribution.
 *
 *    Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *  
 */
//*****************************************************************************
//
//  crc.h
//
//  Defines and Macros for CRC module.
//
//*****************************************************************************

#ifndef __DRIVERLIB_CRC_H__
#define __DRIVERLIB_CRC_H__

//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif

//*****************************************************************************
//
// The following defines are used in the ui32Config argument of the
// ECConfig function.
//
//*****************************************************************************
#define CRC_CFG_INIT_SEED       0x00000000  // Initialize with seed
#define CRC_CFG_INIT_0          0x00004000  // Initialize to all '0s'
#define CRC_CFG_INIT_1          0x00006000  // Initialize to all '1s'
#define CRC_CFG_SIZE_8BIT       0x00001000  // Input Data Size
#define CRC_CFG_SIZE_32BIT      0x00000000  // Input Data Size
#define CRC_CFG_RESINV          0x00000200  // Result Inverse Enable
#define CRC_CFG_OBR             0x00000100  // Output Reverse Enable
#define CRC_CFG_IBR             0x00000080  // Bit reverse enable
#define CRC_CFG_ENDIAN_SBHW     0x00000000  // Swap byte in half-word
#define CRC_CFG_ENDIAN_SHW      0x00000010  // Swap half-word
#define CRC_CFG_TYPE_P8005      0x00000000  // Polynomial 0x8005
#define CRC_CFG_TYPE_P1021      0x00000001  // Polynomial 0x1021
#define CRC_CFG_TYPE_P4C11DB7   0x00000002  // Polynomial 0x4C11DB7
#define CRC_CFG_TYPE_P1EDC6F41  0x00000003  // Polynomial 0x1EDC6F41
#define CRC_CFG_TYPE_TCPCHKSUM  0x00000008  // TCP checksum

//*****************************************************************************
//
// Function prototypes.
//
//*****************************************************************************
extern void CRCConfigSet(uint32_t ui32Base, uint32_t ui32CRCConfig);
extern uint32_t CRCDataProcess(uint32_t ui32Base, void *puiDataIn,
               uint32_t ui32DataLength, uint32_t ui32Config);
extern void CRCDataWrite(uint32_t ui32Base, uint32_t ui32Data);
extern uint32_t CRCResultRead(uint32_t ui32Base);
extern void CRCSeedSet(uint32_t ui32Base, uint32_t ui32Seed);


//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif

#endif // __DRIVERLIB_CRC_H__