DOKK / manpages / debian 11 / libts0 / ts_test.1.en
TS_TEST(1) tslib TS_TEST(1)

ts_test - A basic test routine for tslib.

ts_test

ts_test is used to manually test tslib using ts_read(). It draws a crosshair and mode buttons to the framebuffer and lets you test the behaviour of input samples with your configured filters applied, see ts.conf (5). Since it uses ts_read(), it supports single touch only.

-r, --rotate [value]

Rotate the screen. value is 0 for 0 degree, 1 for 90 degrees (CW), 2 for 180 degrees (upside down) and 3 for 270 degrees (CCW).

ts.conf (5), ts_test_mt (1), ts_calibrate (1)