man V4L2_TCH_FMT_DELTA_TD16(2)
16-bit signed Touch Delta
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.
| start + 0: | D’00high | D’00low | D’01high | D’01low | D’02high | D’02low | D’03high | D’03low |
| start + 8: | D’10high | D’10low | D’11high | D’11low | D’12high | D’12low | D’13high | D’13low |
| start + 16: | D’20high | D’20low | D’21high | D’21low | D’22high | D’22low | D’23high | D’23low |
| start + 24: | D’30high | D’30low | D’31high | D’31low | D’32high | D’32low | D’33high | D’33low |