//*****************************************************************************
//
// flash.h - Prototypes for the flash driver.
//
// Copyright (c) 2005-2017 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.
//
//*****************************************************************************

#ifndef __DRIVERLIB_FLASH_H__
#define __DRIVERLIB_FLASH_H__

#include <stdint.h>
#include <stdbool.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 int32_t FlashErase(uint32_t ui32Address);
extern int32_t FlashProgram(uint32_t *pui32Data, uint32_t ui32Address,
                            uint32_t ui32Count);
extern tFlashProtection FlashProtectGet(uint32_t ui32Address);
extern int32_t FlashProtectSet(uint32_t ui32Address,
                               tFlashProtection eProtect);
extern int32_t FlashProtectSave(void);
extern int32_t FlashUserGet(uint32_t *pui32User0, uint32_t *pui32User1);
extern int32_t FlashUserSet(uint32_t ui32User0, uint32_t ui32User1);
extern int32_t FlashAllUserRegisterGet(uint32_t *pui32User0,
                                       uint32_t *pui32User1,
                                       uint32_t *pui32User2,
                                       uint32_t *pui32User3);
extern int32_t FlashAllUserRegisterSet(uint32_t ui32User0,
                                       uint32_t ui32User1,
                                       uint32_t ui32User2,
                                       uint32_t ui32User3);
extern int32_t FlashUserSave(void);
extern int32_t FlashAllUserRegisterSave(void);
extern void FlashIntRegister(void (*pfnHandler)(void));
extern void FlashIntUnregister(void);
extern void FlashIntEnable(uint32_t ui32IntFlags);
extern void FlashIntDisable(uint32_t ui32IntFlags);
extern uint32_t FlashIntStatus(bool bMasked);
extern void FlashIntClear(uint32_t ui32IntFlags);

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

#endif // __DRIVERLIB_FLASH_H__