Subaru trigger converter from 6+7tooth to 4+1:

Primary subaru trigger handler:
sectriggercounter=0; /* Reset the secondary trigger counter every time there is a primary pulse.
pritriggercounter++;
if(pritriggercounter=2) Only use the second pulse (65 deg BTDC).
  {
  pritriggercounter=0:
  }
else RETURN();



Secondary Subaru trigger handler:
pritriggercounter=0; /*Reset the primary trigger counter every time there is a secondary pulse.
sectriggercounter++;
if(sectriggercounter=3)
  {
  sectriggercounter=0;
  }
else RETURN();