//*****************************************************************************
//
// interrupt.h - Prototypes for the NVIC Interrupt Controller Driver.
//
// Copyright (c) 2005-2017 Texas Instruments Incorporated.  All rights reserved.
// Software License Agreement
// 
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//   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
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//   Neither the name of Texas Instruments Incorporated nor the names of
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// 
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// 
// This is part of revision 2.1.4.178 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************

#ifndef __DRIVERLIB_INTERRUPT_H__
#define __DRIVERLIB_INTERRUPT_H__

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

//*****************************************************************************
//
// Macro to generate an interrupt priority mask based on the number of bits
// of priority supported by the hardware.
//
//*****************************************************************************
#define INT_PRIORITY_MASK       ((0xFF << (8 - NUM_PRIORITY_BITS)) & 0xFF)

//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern bool IntMasterEnable(void);
extern bool IntMasterDisable(void);
extern void IntRegister(uint32_t ui32Interrupt, void (*pfnHandler)(void));
extern void IntUnregister(uint32_t ui32Interrupt);
extern void IntPriorityGroupingSet(uint32_t ui32Bits);
extern uint32_t IntPriorityGroupingGet(void);
extern void IntPrioritySet(uint32_t ui32Interrupt,
                           uint8_t ui8Priority);
extern int32_t IntPriorityGet(uint32_t ui32Interrupt);
extern void IntEnable(uint32_t ui32Interrupt);
extern void IntDisable(uint32_t ui32Interrupt);
extern uint32_t IntIsEnabled(uint32_t ui32Interrupt);
extern void IntPendSet(uint32_t ui32Interrupt);
extern void IntPendClear(uint32_t ui32Interrupt);
extern void IntPriorityMaskSet(uint32_t ui32PriorityMask);
extern uint32_t IntPriorityMaskGet(void);
extern void IntTrigger(uint32_t ui32Interrupt);

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

#endif // __DRIVERLIB_INTERRUPT_H__
