1# Copyright (C) 2012 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 Configuration File for the Atmel Maxtouch 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 configuration documentation for more details. 21# 22 23# Basic Parameters 24touch.deviceType = touchScreen 25touch.orientationAware = 1 26 27# Touch Size 28touch.touchSize.calibration = pressure 29 30# Tool Size 31# Driver reports tool size as an area measurement. 32# 33# Based on empirical measurements, we estimate the size of the tool 34# using size = sqrt(22 * rawToolArea + 0) * 6 + 0. 35touch.toolSize.calibration = area 36touch.toolSize.areaScale = 22 37touch.toolSize.areaBias = 0 38touch.toolSize.linearScale = 6 39touch.toolSize.linearBias = 0 40touch.toolSize.isSummed = 0 41 42# Pressure 43# Driver reports signal strength as pressure. 44# 45# A normal index finger touch typically registers about 80 signal strength 46# units although we don't expect these values to be accurate. 47touch.pressure.calibration = amplitude 48touch.pressure.source = default 49touch.pressure.scale = 0.0125 50 51# Size 52touch.size.calibration = normalized 53 54# Orientation 55touch.orientation.calibration = vector 56