inverted display, so inverted input

busunit/DIUv2/diu_kiosk

@@ -22,6 +22,10 @@ export BASEDIR=/home/pi
 
 export DISPLAY=:0
 
+# we've inverted the display, make sure to invert touchscreen
+#
+xinput --set-prop 'ADS7846 Touchscreen' 'Coordinate Transformation Matrix' -1.000000 0.000000 1.000000 0.000000 -1.000000 1.00000 0.000000 0.000000 1.000000
+
 # turn off screensave/screen blanking
 #
 xset s noblank