tools/examples/lcd/tft/touchscreen/readme.txt

   1 OVERVIEW
   2 ============================================================
   3 This example continually samples the touch screen and
   4 whenever a valid reading occurs draws a pixel at the
   5 corresponding X/Y position.
   6
   7 This sample demonstrates the following features
   8 ============================================================
   9
  10 - Waiting for a valid TS reading (ignoring X/Y mismatches)
  11 - Getting the X/Y position from TS events