//*****************************************************************************
//
// flash.h - Prototypes for the flash driver.
//
// Copyright (c) 2005-2012 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 9453 of the Stellaris Peripheral Driver Library.
//
//*****************************************************************************

#ifndef __FLASH_H__
#define __FLASH_H__

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

//*****************************************************************************
//
// Values that can be passed to FlashProtectSet(), and returned by
// FlashProtectGet().
//
//*****************************************************************************
typedef enum
{
    FlashReadWrite,                         // Flash can be read and written
    FlashReadOnly,                          // Flash can only be read
    FlashExecuteOnly                        // Flash can only be executed
}
tFlashProtection;

//*****************************************************************************
//
// Values passed to FlashIntEnable(), FlashIntDisable() and FlashIntClear() and
// returned from FlashIntStatus().
//
//*****************************************************************************
#define FLASH_INT_PROGRAM     0x00000002 // Programming Interrupt Mask
#define FLASH_INT_ACCESS      0x00000001 // Access Interrupt Mask
#define FLASH_INT_EEPROM      0x00000004 // EEPROM Interrupt Mask
#define FLASH_INT_VOLTAGE_ERR 0x00000200 // Voltage Error Interrupt Mask
#define FLASH_INT_DATA_ERR    0x00000400 // Invalid Data Interrupt Mask
#define FLASH_INT_ERASE_ERR   0x00000800 // Erase Error Interrupt Mask
#define FLASH_INT_PROGRAM_ERR 0x00002000 // Program Verify Error Interrupt Mask

//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern unsigned long FlashUsecGet(void);
extern void FlashUsecSet(unsigned long ulClocks);
extern long FlashErase(unsigned long ulAddress);
extern long FlashProgram(unsigned long *pulData, unsigned long ulAddress,
                         unsigned long ulCount);
extern tFlashProtection FlashProtectGet(unsigned long ulAddress);
extern long FlashProtectSet(unsigned long ulAddress,
                            tFlashProtection eProtect);
extern long FlashProtectSave(void);
extern long FlashUserGet(unsigned long *pulUser0, unsigned long *pulUser1);
extern long FlashUserSet(unsigned long ulUser0, unsigned long ulUser1);
extern long FlashUserSave(void);
extern void FlashIntRegister(void (*pfnHandler)(void));
extern void FlashIntUnregister(void);
extern void FlashIntEnable(unsigned long ulIntFlags);
extern void FlashIntDisable(unsigned long ulIntFlags);
extern unsigned long FlashIntStatus(tBoolean bMasked);
extern void FlashIntClear(unsigned long ulIntFlags);

//*****************************************************************************
//
// Deprecated function names.  These definitions ensure backwards compatibility
// but new code should avoid using deprecated function names since these will
// be removed at some point in the future.
//
//*****************************************************************************
#ifndef DEPRECATED
#define FlashIntGetStatus       FlashIntStatus
#endif

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

#endif // __FLASH_H__
