get_interrupt1.c

universeII驱动

#include <vme/vme.h>
#include <vme/vme_api.h>
#include <signal.h>
#include <stdio.h>

#define LEVEL             VME_INTERRUPT_VIRQ3
#define VECTOR            0x10


int main()
{
	vme_bus_handle_t bus_handle;
	vme_interrupt_handle_t interrupt_handle;
	int data;

	if (vme_init(&bus_handle)) {
		perror("Error initializing the VMEbus");
		return -1;
	}

	if (vme_interrupt_attach(bus_handle, &interrupt_handle, LEVEL,
				 VECTOR, VME_INTERRUPT_BLOCKING, &data)) {
		perror("Error attaching to the interrupt");
		vme_term(bus_handle);
		return -1;
	}

	/* For VMEbus interrupts, the returned data is (level << 8) & vector */
	printf("VMEbus interrupt occured on level %d, vector 0x%x\n",
	       data >> 8, data & 0xff);

	if (vme_term(bus_handle)) {
		perror("Error terminating");
		return -1;
	}

	return 0;
}