/* Functions:
   Errors
   whichbutton
   waitforenter
   waitfornext
   pause       -- obsolete now
 */

/*****************
 * Error Routine *
 *****************/

void Errors(char msg[]) {
  printf("\nError: %s\n",msg);
  while (1) {hog_processor();}
}

/***************************
 * Miscellaneous Accessors *
 ***************************/

/*Determines which Menu button was pressed: Returns  1=previous, 2=next, 3=enter */
int whichbutton() {
  int pressed = 0;

  while (pressed == 0) {
    if (prevbutton == 1) {
      pressed = 1;
    }
    if (nextbutton == 1) {
      pressed = 2;
    }
    if (enterbutton == 1) {
      pressed = 3;
    }
  }
  
  while (prevbutton || nextbutton || enterbutton)
    ;
  return pressed;
}


/* waits for push button "next" to be pressed */
void waitfornext() {
  while(!nextbutton)
    ;
  while(nextbutton)
    ;
}

/* waits for push button "enter" to be pressed */
void waitforenter() {
  while(!enterbutton)
    ;
  while(enterbutton)
    ;
}


/* brief pause */

void pause() {
  msleep(1000L);
}