//***************************************************************************** // // crc.h - Defines and Macros for CRC module. // // Copyright (c) 2012-2020 Texas Instruments Incorporated. All rights reserved. // Software License Agreement // // 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. // // This is part of revision 2.2.0.295 of the Tiva Peripheral Driver Library. // //***************************************************************************** #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 0x00000020 // 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. // //***************************************************************************** #if 0 extern void ECClockGatingReqest(uint32_t ui32Base, uint32_t ui32ECIP, bool bGate); #endif extern void CRCConfigSet(uint32_t ui32Base, uint32_t ui32CRCConfig); extern uint32_t CRCDataProcess(uint32_t ui32Base, uint32_t *pui32DataIn, uint32_t ui32DataLength, bool bPPResult); extern void CRCDataWrite(uint32_t ui32Base, uint32_t ui32Data); extern uint32_t CRCResultRead(uint32_t ui32Base, bool bPPResult); 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__