testuserbtn: switched from GPIO to evtest

Author: jadonk

testuserbtn

@@ -1,15 +1,2 @@
 #!/bin/sh
-GPIO = "/sys/class/gpio"
-PIN = "4"
-echo "$PIN" > $GPIO/export
-echo "in" > $GPIO/gpio$PIN/direction
-echo "Press the USR button..."
-VAL = `cat $GPIO/gpio$PIN/value`
-while [ "$VAL" = "0" ]; do
- VAL = `cat $GPIO/gpio$PIN/value`
-done
-echo "Release the USR button..."
-while [ "$VAL" = "1" ]; do
- VAL = `cat $GPIO/gpio$PIN/value`
-done
-
+evtest /dev/input/event0