| // Class for handling interrupts. | |
| // Copyright (c) National Instruments 2008. All Rights Reserved. | |
| #ifndef __tInterruptManager_h__ | |
| #define __tInterruptManager_h__ | |
| #include "NiRio.h" | |
| #include "tSystem.h" | |
| #include <semLib.h> | |
| namespace nFPGA | |
| { | |
| typedef void (*tInterruptHandler)(uint32_t interruptAssertedMask, void *param); | |
| class tInterruptManager : public tSystem | |
| { | |
| public: | |
| tInterruptManager(uint32_t interruptMask, bool watcher, tRioStatusCode *status); | |
| ~tInterruptManager(); | |
| void registerHandler(tInterruptHandler handler, void *param, tRioStatusCode *status); | |
| uint32_t watch(int32_t timeoutInMs, tRioStatusCode *status); | |
| void enable(tRioStatusCode *status); | |
| void disable(tRioStatusCode *status); | |
| bool isEnabled(tRioStatusCode *status); | |
| private: | |
| void handler(); | |
| static int handlerWrapper(tInterruptManager *pInterrupt); | |
| void acknowledge(tRioStatusCode *status); | |
| void reserve(tRioStatusCode *status); | |
| void unreserve(tRioStatusCode *status); | |
| tInterruptHandler _handler; | |
| uint32_t _interruptMask; | |
| int32_t _taskId; | |
| NiFpga_IrqContext _rioContext; | |
| bool _watcher; | |
| bool _enabled; | |
| void *_userParam; | |
| // maintain the interrupts that are already dealt with. | |
| static uint32_t _globalInterruptMask; | |
| static SEM_ID _globalInterruptMaskSemaphore; | |
| }; | |
| } | |
| #endif // __tInterruptManager_h__ | |