OpenCloudOS-Kernel/Documentation/media/uapi/v4l/pixfmt-tch-td16.rst

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ReStructuredText

.. -*- coding: utf-8; mode: rst -*-
.. _V4L2-TCH-FMT-DELTA-TD16:
********************************
V4L2_TCH_FMT_DELTA_TD16 ('TD16')
********************************
*man V4L2_TCH_FMT_DELTA_TD16(2)*
16-bit signed Touch Delta
Description
===========
This format represents delta data from a touch controller.
Delta values may range from -32768 to 32767. Typically the values will vary
through a small range depending on whether the sensor is touched or not. The
full value may be seen if one of the touchscreen nodes has a fault or the line
is not connected.
**Byte Order.**
Each cell is one byte.
.. flat-table::
:header-rows: 0
:stub-columns: 0
:widths: 2 1 1 1 1 1 1 1 1
* - start + 0:
- D'\ :sub:`00high`
- D'\ :sub:`00low`
- D'\ :sub:`01high`
- D'\ :sub:`01low`
- D'\ :sub:`02high`
- D'\ :sub:`02low`
- D'\ :sub:`03high`
- D'\ :sub:`03low`
* - start + 8:
- D'\ :sub:`10high`
- D'\ :sub:`10low`
- D'\ :sub:`11high`
- D'\ :sub:`11low`
- D'\ :sub:`12high`
- D'\ :sub:`12low`
- D'\ :sub:`13high`
- D'\ :sub:`13low`
* - start + 16:
- D'\ :sub:`20high`
- D'\ :sub:`20low`
- D'\ :sub:`21high`
- D'\ :sub:`21low`
- D'\ :sub:`22high`
- D'\ :sub:`22low`
- D'\ :sub:`23high`
- D'\ :sub:`23low`
* - start + 24:
- D'\ :sub:`30high`
- D'\ :sub:`30low`
- D'\ :sub:`31high`
- D'\ :sub:`31low`
- D'\ :sub:`32high`
- D'\ :sub:`32low`
- D'\ :sub:`33high`
- D'\ :sub:`33low`