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 24touch.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. 31touch.toolSize.calibration = area 32touch.toolSize.areaScale = 22 33touch.toolSize.areaBias = 0 34touch.toolSize.linearScale = 9.2 35touch.toolSize.linearBias = 0 36touch.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. 43touch.pressure.calibration = amplitude 44touch.pressure.source = default 45touch.pressure.scale = 0.01 46 47# Size 48touch.size.calibration = normalized 49 50# Orientation 51touch.orientation.calibration = none 52 53