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RIOT/cpu/stellaris_common/include/vendor/stellaris_periph/interrupt.h 3.94 KB
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  //*****************************************************************************
  //
  // interrupt.h - Prototypes for the NVIC Interrupt Controller 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 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 */