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Interrupt on e7t AEB2


Hi all..

I'm using arm evaluation board ARM evaluator 7T and
redboot

When i try debugg the following program (this programm
was provided for JL) the ISR and DRS no are executed.

anybody can help me


Thanks


Carlos Camargo

***********************************


#include <cyg/kernel/kapi.h>
#include <stdio.h>
#include <cyg/hal/hal_intr.h>

#define SYSCFG		0x03ff0000
#define IOPMOD          ((volatile unsigned
*)(SYSCFG+0x5000))
#define IOPDATA         ((volatile unsigned
*)(SYSCFG+0x5008))
#define	SEG_MASK	(0x1fc00)


volatile int i=0;
 
/* this is the ISR for ext 0 interrupts */
cyg_uint32 int_0_isr(cyg_vector_t vector,
cyg_addrword_t data)
{
  /* ISRs must acknowledge the interrupt, or they
might be invoked
     again */
  cyg_interrupt_acknowledge(vector);
  return CYG_ISR_CALL_DSR;
}
 
/* this is the DSR for ext 0 interrupts */
void int_0_dsr(cyg_vector_t vector, cyg_ucount32
count, cyg_addrword_t data)
{
  /* put your code here; for details of ISRs and DSRs
see eCos documentation */
  /* the following serves only as an example: */
    *IOPDATA &= ~SEG_MASK;
    *IOPDATA |= 0xff;
    i += count;
}

int main( int argc, char *argv[] )
{
  cyg_handle_t int_0_ISR_H;
  cyg_interrupt intr;
  int oldi = 0;

  cyg_interrupt_create(CYGNUM_HAL_INTERRUPT_EXT0, 0,
0, &int_0_isr, 
                       &int_0_dsr, &int_0_ISR_H,
&intr);
 
  cyg_interrupt_attach(int_0_ISR_H);

  for (;;) {
      if (i != oldi) {
          printf("Now received %d interrupts\n", i);
          oldi = i;
      }
  }

  return 0;
*************************************



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