tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3.. _V4L2-TCH-FMT-DELTA-TD16:
4
5********************************
6V4L2_TCH_FMT_DELTA_TD16 ('TD16')
7********************************
8
9*man V4L2_TCH_FMT_DELTA_TD16(2)*
10
1116-bit signed little endian Touch Delta
12
13
14Description
15===========
16
17This format represents delta data from a touch controller.
18
19Delta values may range from -32768 to 32767. Typically the values will vary
20through a small range depending on whether the sensor is touched or not. The
21full value may be seen if one of the touchscreen nodes has a fault or the line
22is not connected.
23
24**Byte Order.**
25Each cell is one byte.
26
27.. flat-table::
28 :header-rows: 0
29 :stub-columns: 0
30 :widths: 2 1 1 1 1 1 1 1 1
31
32 * - start + 0:
33 - D'\ :sub:`00low`
34 - D'\ :sub:`00high`
35 - D'\ :sub:`01low`
36 - D'\ :sub:`01high`
37 - D'\ :sub:`02low`
38 - D'\ :sub:`02high`
39 - D'\ :sub:`03low`
40 - D'\ :sub:`03high`
41 * - start + 8:
42 - D'\ :sub:`10low`
43 - D'\ :sub:`10high`
44 - D'\ :sub:`11low`
45 - D'\ :sub:`11high`
46 - D'\ :sub:`12low`
47 - D'\ :sub:`12high`
48 - D'\ :sub:`13low`
49 - D'\ :sub:`13high`
50 * - start + 16:
51 - D'\ :sub:`20low`
52 - D'\ :sub:`20high`
53 - D'\ :sub:`21low`
54 - D'\ :sub:`21high`
55 - D'\ :sub:`22low`
56 - D'\ :sub:`22high`
57 - D'\ :sub:`23low`
58 - D'\ :sub:`23high`
59 * - start + 24:
60 - D'\ :sub:`30low`
61 - D'\ :sub:`30high`
62 - D'\ :sub:`31low`
63 - D'\ :sub:`31high`
64 - D'\ :sub:`32low`
65 - D'\ :sub:`32high`
66 - D'\ :sub:`33low`
67 - D'\ :sub:`33high`