rt-thread-official/bsp/tm4c129x/libraries/driverlib/interrupt.h

//*****************************************************************************
//
// interrupt.h - Prototypes for the NVIC Interrupt Controller Driver.
//
// Copyright (c) 2005-2020 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_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__