51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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#ifndef OS_RTEMS_INTERRUPT_H_
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#define OS_RTEMS_INTERRUPT_H_
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#include <framework/returnvalues/HasReturnvaluesIF.h>
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#include <cstring>
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#include <rtems.h>
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typedef rtems_isr_entry IsrHandler_t;
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typedef rtems_isr IsrReturn_t;
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typedef rtems_vector_number InterruptNumber_t;
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class Interrupt {
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public:
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virtual ~Interrupt(){};
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/**
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* Establishes a new interrupt service routine.
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* @param handler The service routine to establish
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* @param interrupt The interrupt (NOT trap type) the routine shall react to.
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* @return RETURN_OK on success. Otherwise, the OS failure code is returned.
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*/
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static ReturnValue_t setInterruptServiceRoutine(IsrHandler_t handler,
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InterruptNumber_t interrupt, IsrHandler_t *oldHandler = NULL);
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static ReturnValue_t enableInterrupt(InterruptNumber_t interruptNumber);
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static ReturnValue_t disableInterrupt(InterruptNumber_t interruptNumber);
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/**
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* Enables the interrupt given.
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* The function tests, if the InterruptMask register was written successfully.
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* @param interrupt The interrupt to enable.
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* @return RETURN_OK if the interrupt was set successfully. RETURN_FAILED else.
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*/
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static ReturnValue_t enableGpioInterrupt(InterruptNumber_t interrupt);
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/**
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* Disables the interrupt given.
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* @param interrupt The interrupt to disable.
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* @return RETURN_OK if the interrupt was set successfully. RETURN_FAILED else.
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*/
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static ReturnValue_t disableGpioInterrupt(InterruptNumber_t interrupt);
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/**
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* Checks if the current executing context is an ISR.
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* @return true if handling an interrupt, false else.
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*/
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static bool isInterruptInProgress();
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};
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#endif /* OS_RTEMS_INTERRUPT_H_ */
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