1 //*****************************************************************************
2 //
3 // interrupt.h - Prototypes for the NVIC Interrupt Controller Driver.
4 //
5 // Copyright (c) 2005-2012 Texas Instruments Incorporated.  All rights reserved.
6 // Software License Agreement
7 //
8 //   Redistribution and use in source and binary forms, with or without
9 //   modification, are permitted provided that the following conditions
10 //   are met:
11 //
12 //   Redistributions of source code must retain the above copyright
13 //   notice, this list of conditions and the following disclaimer.
14 //
15 //   Redistributions in binary form must reproduce the above copyright
16 //   notice, this list of conditions and the following disclaimer in the
17 //   documentation and/or other materials provided with the
18 //   distribution.
19 //
20 //   Neither the name of Texas Instruments Incorporated nor the names of
21 //   its contributors may be used to endorse or promote products derived
22 //   from this software without specific prior written permission.
23 //
24 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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30 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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34 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 //
36 // This is part of revision 9453 of the Stellaris Peripheral Driver Library.
37 //
38 //*****************************************************************************
39 
40 #ifndef __INTERRUPT_H__
41 #define __INTERRUPT_H__
42 
43 //*****************************************************************************
44 //
45 // If building with a C++ compiler, make all of the definitions in this header
46 // have a C binding.
47 //
48 //*****************************************************************************
49 #ifdef __cplusplus
50 extern "C"
51 {
52 #endif
53 
54 //*****************************************************************************
55 //
56 // Macro to generate an interrupt priority mask based on the number of bits
57 // of priority supported by the hardware.
58 //
59 //*****************************************************************************
60 #define INT_PRIORITY_MASK       ((0xFF << (8 - NUM_PRIORITY_BITS)) & 0xFF)
61 
62 //*****************************************************************************
63 //
64 // Prototypes for the APIs.
65 //
66 //*****************************************************************************
67 extern tBoolean IntMasterEnable(void);
68 extern tBoolean IntMasterDisable(void);
69 extern void IntRegister(unsigned long ulInterrupt, void (*pfnHandler)(void));
70 extern void IntUnregister(unsigned long ulInterrupt);
71 extern void IntPriorityGroupingSet(unsigned long ulBits);
72 extern unsigned long IntPriorityGroupingGet(void);
73 extern void IntPrioritySet(unsigned long ulInterrupt,
74                            unsigned char ucPriority);
75 extern long IntPriorityGet(unsigned long ulInterrupt);
76 extern void IntEnable(unsigned long ulInterrupt);
77 extern void IntDisable(unsigned long ulInterrupt);
78 extern unsigned long IntIsEnabled(unsigned long ulInterrupt);
79 extern void IntPendSet(unsigned long ulInterrupt);
80 extern void IntPendClear(unsigned long ulInterrupt);
81 extern void IntPriorityMaskSet(unsigned long ulPriorityMask);
82 extern unsigned long IntPriorityMaskGet(void);
83 
84 //*****************************************************************************
85 //
86 // Mark the end of the C bindings section for C++ compilers.
87 //
88 //*****************************************************************************
89 #ifdef __cplusplus
90 }
91 #endif
92 
93 #endif // __INTERRUPT_H__
94