gistfile1.cpp

    for (i = 0; i < 2; i++) {
      input_set_abs_params(input_dev, ABS_X+i, 32, 223, 0, 10); //In theory, all axes operate from 0 to 255.  In practice, the plastic enclosure and other mechanical realities limit extremes and there is a great variance in achievable extremes and centers.  Values below are based on worst-case scenarios for extremes among a set of controllers.  -Jeff Griffin
      input_set_abs_params(input_dev, ABS_RX+i, 50, 205, 0, 10);
      input_set_abs_params(input_dev, ABS_GAS+i, -149, 222, 0, 10); // False bottom prevents negative gas/brake.  In practice,  min/center~35, max~222
      input_set_abs_params(input_dev, ABS_HAT0X+i, -1, 1, 0, 0);
    }