65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
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# Copyright (C) 2010 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Input Device Calibration File for the Leo touch screen.
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#
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# These calibration values are derived from empirical measurements
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# and may not be appropriate for use with other touch screens.
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# Refer to the input device calibration documentation for more details.
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#
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touch.deviceType = touchScreen
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touch.orientationAware = 1
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# Touch Size
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touch.touchSize.calibration = pressure
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# Tool Size
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# Driver reports tool size as a linear width measurement summed over
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# all contact points.
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#
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# Raw width field measures approx. 1 unit per millimeter
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# of tool size on the surface where a raw width of 1 corresponds
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# to about 17mm of physical size. Given that the display resolution
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# is 10px per mm we obtain a scale factor of 10 pixels / unit and
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# a bias of 160 pixels. In addition, the raw width represents a
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# sum of all contact area so we note this fact in the calibration.
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touch.toolSize.calibration = linear
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touch.toolSize.linearScale = 10
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touch.toolSize.linearBias = 160
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touch.toolSize.isSummed = 1
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# Pressure
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# Driver reports signal strength as pressure.
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#
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# A normal thumb touch while touching the back of the device
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# typically registers about 100 signal strength units although
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# this value is highly variable and is sensitive to contact area,
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# manner of contact and environmental conditions. We set the
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# scale so that a normal touch with good signal strength will be
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# reported as having a pressure somewhere in the vicinity of 1.0,
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# a featherlight touch will be below 1.0 and a heavy or large touch
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# will be above 1.0. We don't expect these values to be accurate.
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touch.pressure.calibration = amplitude
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touch.pressure.source = default
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touch.pressure.scale = 0.01
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# Size
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touch.size.calibration = normalized
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# Orientation
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touch.orientation.calibration = none
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