HS3001_FIXPOINT_ARITH
u32 temp = (raw >> 2) * HS3001_FIXPOINT_ARITH * 165;
return (int)temp - 40 * HS3001_FIXPOINT_ARITH;
u32 hum = (raw & HS3001_MASK_HUMIDITY_0X3FFF) * HS3001_FIXPOINT_ARITH * 100;