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