99 lines
4.2 KiB
C
99 lines
4.2 KiB
C
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// crc.h
|
||
|
|
//
|
||
|
|
// Defines and Macros for CRC module.
|
||
|
|
//
|
||
|
|
// Copyright (C) 2014 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.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
#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__
|