//
// file: utility.h
// Purpose: various helper function useful for hardware testing.
//
//
#ifndef _VME_UTILITY_
#define _VME_UTILITY_


// sleep some time
inline void rsleep(int i) { // sleep in microseconds
  for(int k=0;k<i;k++) {
    float temp;
    for(int j=0;j<100;j++) temp+=j*j;
  }
}

// change bit in variable to value (0 or 1)
inline unsigned int setBit(unsigned int variable,unsigned int bit,unsigned int value)
{
	// make sure bits are between 0 and 31
	bit=bit%0x20;
  if(value>1) value=1;
  // create a bit pattern with a single 0
  unsigned int mask0=~(0x1<<bit);
  // mask out that bit in variable
  unsigned int mask1=variable&mask0;
  // change the value
  unsigned int newbit=value<<bit;
  return(mask1|newbit);
}
#endif


// helper function that sets a single bit