interrupt.h 3.94 KB
//*****************************************************************************
//
// interrupt.h - Prototypes for the NVIC Interrupt Controller Driver.
//
// Copyright (c) 2005-2012 Texas Instruments Incorporated.  All rights reserved.
// Software License Agreement
//
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//   modification, are permitted provided that the following conditions
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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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//   distribution.
//
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//   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,
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// 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 STELLARIS_INTERRUPT_H
#define STELLARIS_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 tBoolean IntMasterEnable(void);
extern tBoolean IntMasterDisable(void);
extern void IntRegister(unsigned long ulInterrupt, void (*pfnHandler)(void));
extern void IntUnregister(unsigned long ulInterrupt);
extern void IntPriorityGroupingSet(unsigned long ulBits);
extern unsigned long IntPriorityGroupingGet(void);
extern void IntPrioritySet(unsigned long ulInterrupt,
                           unsigned char ucPriority);
extern long IntPriorityGet(unsigned long ulInterrupt);
extern void IntEnable(unsigned long ulInterrupt);
extern void IntDisable(unsigned long ulInterrupt);
extern unsigned long IntIsEnabled(unsigned long ulInterrupt);
extern void IntPendSet(unsigned long ulInterrupt);
extern void IntPendClear(unsigned long ulInterrupt);
extern void IntPriorityMaskSet(unsigned long ulPriorityMask);
extern unsigned long IntPriorityMaskGet(void);

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

#endif /* STELLARIS_INTERRUPT_H */