| jerrym | f157933 | 2013-02-07 01:56:28 +0000 | [diff] [blame^] | 1 | // Class for handling interrupts.
|
| 2 | // Copyright (c) National Instruments 2008. All Rights Reserved.
|
| 3 |
|
| 4 | #ifndef __tInterruptManager_h__
|
| 5 | #define __tInterruptManager_h__
|
| 6 |
|
| 7 | #include "NiRio.h"
|
| 8 | #include "tSystem.h"
|
| 9 | #include <semLib.h>
|
| 10 |
|
| 11 | namespace nFPGA
|
| 12 | {
|
| 13 |
|
| 14 | typedef void (*tInterruptHandler)(uint32_t interruptAssertedMask, void *param);
|
| 15 |
|
| 16 | class tInterruptManager : public tSystem
|
| 17 | {
|
| 18 | public:
|
| 19 | tInterruptManager(uint32_t interruptMask, bool watcher, tRioStatusCode *status);
|
| 20 | ~tInterruptManager();
|
| 21 | void registerHandler(tInterruptHandler handler, void *param, tRioStatusCode *status);
|
| 22 | uint32_t watch(int32_t timeoutInMs, tRioStatusCode *status);
|
| 23 | void enable(tRioStatusCode *status);
|
| 24 | void disable(tRioStatusCode *status);
|
| 25 | bool isEnabled(tRioStatusCode *status);
|
| 26 | private:
|
| 27 | void handler();
|
| 28 | static int handlerWrapper(tInterruptManager *pInterrupt);
|
| 29 |
|
| 30 | void acknowledge(tRioStatusCode *status);
|
| 31 | void reserve(tRioStatusCode *status);
|
| 32 | void unreserve(tRioStatusCode *status);
|
| 33 | tInterruptHandler _handler;
|
| 34 | uint32_t _interruptMask;
|
| 35 | int32_t _taskId;
|
| 36 | NiFpga_IrqContext _rioContext;
|
| 37 | bool _watcher;
|
| 38 | bool _enabled;
|
| 39 | void *_userParam;
|
| 40 |
|
| 41 | // maintain the interrupts that are already dealt with.
|
| 42 | static uint32_t _globalInterruptMask;
|
| 43 | static SEM_ID _globalInterruptMaskSemaphore;
|
| 44 | };
|
| 45 |
|
| 46 | }
|
| 47 |
|
| 48 |
|
| 49 | #endif // __tInterruptManager_h__
|
| 50 |
|