141 lines
6.1 KiB
C
141 lines
6.1 KiB
C
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//*****************************************************************************
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//
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// des.h - Defines and Macros for the DES module.
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//
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// Copyright (c) 2012-2014 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 2.1.0.12573 of the Tiva Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __DRIVERLIB_DES_H__
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#define __DRIVERLIB_DES_H__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// The following defines are used to specify the direction with the
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// ui32Config argument in the DESConfig() function. Only one is permitted.
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//
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//*****************************************************************************
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#define DES_CFG_DIR_DECRYPT 0x00000000
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#define DES_CFG_DIR_ENCRYPT 0x00000004
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//*****************************************************************************
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//
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// The following defines are used to specify the operational with the
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// ui32Config argument in the DESConfig() function. Only one is permitted.
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//
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//*****************************************************************************
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#define DES_CFG_MODE_ECB 0x00000000
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#define DES_CFG_MODE_CBC 0x00000010
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#define DES_CFG_MODE_CFB 0x00000020
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//*****************************************************************************
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//
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// The following defines are used to select between single DES and triple DES
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// with the ui32Config argument in the DESConfig() function. Only one is
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// permitted.
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//
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//*****************************************************************************
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#define DES_CFG_SINGLE 0x00000000
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#define DES_CFG_TRIPLE 0x00000008
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//*****************************************************************************
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//
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// The following defines are used with the DESIntEnable(), DESIntDisable() and
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// DESIntStatus() functions.
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//
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//*****************************************************************************
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#define DES_INT_CONTEXT_IN 0x00000001
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#define DES_INT_DATA_IN 0x00000002
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#define DES_INT_DATA_OUT 0x00000004
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#define DES_INT_DMA_CONTEXT_IN 0x00010000
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#define DES_INT_DMA_DATA_IN 0x00020000
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#define DES_INT_DMA_DATA_OUT 0x00040000
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//*****************************************************************************
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//
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// The following defines are used with the DESEnableDMA() and DESDisableDMA()
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// functions.
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//
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//*****************************************************************************
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#define DES_DMA_CONTEXT_IN 0x00000080
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#define DES_DMA_DATA_OUT 0x00000040
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#define DES_DMA_DATA_IN 0x00000020
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//*****************************************************************************
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//
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// API Function prototypes
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//
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//*****************************************************************************
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extern void DESConfigSet(uint32_t ui32Base, uint32_t ui32Config);
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extern void DESDataRead(uint32_t ui32Base, uint32_t *pui32Dest);
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extern bool DESDataReadNonBlocking(uint32_t ui32Base, uint32_t *pui32Dest);
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extern bool DESDataProcess(uint32_t ui32Base, uint32_t *pui32Src,
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uint32_t *pui32Dest, uint32_t ui32Length);
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extern void DESDataWrite(uint32_t ui32Base, uint32_t *pui32Src);
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extern bool DESDataWriteNonBlocking(uint32_t ui32Base, uint32_t *pui32Src);
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extern void DESDMADisable(uint32_t ui32Base, uint32_t ui32Flags);
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extern void DESDMAEnable(uint32_t ui32Base, uint32_t ui32Flags);
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extern void DESIntClear(uint32_t ui32Base, uint32_t ui32IntFlags);
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extern void DESIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
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extern void DESIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
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extern void DESIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
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extern uint32_t DESIntStatus(uint32_t ui32Base, bool bMasked);
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extern void DESIntUnregister(uint32_t ui32Base);
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extern bool DESIVSet(uint32_t ui32Base, uint32_t *pui32IVdata);
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extern void DESKeySet(uint32_t ui32Base, uint32_t *pui32Key);
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extern void DESLengthSet(uint32_t ui32Base, uint32_t ui32Length);
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extern void DESReset(uint32_t ui32Base);
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // __DRIVERLIB_DES_H__
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