1 # Copyright (C) 2010 The Android Open Source Project 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 15 # 16 # Input Device Calibration File for the Crespo touch screen. 17 # 18 # These calibration values are derived from empirical measurements 19 # and may not be appropriate for use with other touch screens. 20 # Refer to the input device calibration documentation for more details. 21 # 22 23 # Touch Size 24 touch.touchSize.calibration = pressure 25 26 # Tool Size 27 # Driver reports tool size as an area measurement. 28 # 29 # Based on empirical measurements, we estimate the size of the tool 30 # using size = sqrt(22 * rawToolArea + 0) * 9.2 + 0. 31 touch.toolSize.calibration = area 32 touch.toolSize.areaScale = 22 33 touch.toolSize.areaBias = 0 34 touch.toolSize.linearScale = 9.2 35 touch.toolSize.linearBias = 0 36 touch.toolSize.isSummed = 0 37 38 # Pressure 39 # Driver reports signal strength as pressure. 40 # 41 # A normal thumb touch typically registers about 100 signal strength 42 # units although we don't expect these values to be accurate. 43 touch.pressure.calibration = amplitude 44 touch.pressure.source = default 45 touch.pressure.scale = 0.01 46 47 # Size 48 touch.size.calibration = normalized 49 50 # Orientation 51 touch.orientation.calibration = none 52 53
