To fulfill a promise made a long time ago…
My 
became very ticklish 
Edit: Many thanks for this great improvement ! 
The thin light of dawn cuts across the top of the rookery and is met by a gentle stirring, increasing to a aggrieved muttering, punctured with the occasion swiftly exchanged peck and answering shriek.
They start to take to the air, circling the tight confines, with an increasing noise and their cries take on a rhythmic pace against the intense swirling of wings like many ships sails in a strong gale.
As one, as if signaled , the spear like a dart through the exits and reform in a purposely driven whirling pillar of motion. They rise, high above the castle walls, and once again, with one mind speed of towards one isolated cottage on the edge of town.
They career down with a bloody curdling whistle and be-splatter the croft till the windows and doors are white against the old brick.
As suddenly as they appear they disappear toward the horizon . .
The door stiffly opens and @MrDham shakes his fist at their fast disappearing shapes against the sky. . .
"Ok I’ll get your bloody 
. . . "
3 Likes
Hi,
i got a Waveshare 5inch HDMI LCD (B) with USB connection.
I read half of this thread and tried the calibration from the admin menu.
first thing: i have actually no encoders. hitting the menu with an uncalibrated touchscreen is a challenge. But i had a keyboard 
you have implemented a 3 point calibration. For this screen its maybe not enough. I had a difference between stylus and cross on the screen. The difference changed between top and lower area of the screen.
I did the calibration from the waveshare Wiki.
apt-get install -y xinput-calibrator
DISPLAY=:0.0 xinput_calibrator
With this i got a 4 point calibration. Don’t know if this is really a difference.
I put the codesnipped into /usr/share/X11/xorg.conf.d/40-libinput.conf
After a reboot the touchscreen reacts exact.
Maybe this helps someone.