1 #!/bin/sh 2 3 # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 # This script invokes awk_process_syn to compute and print the 8 # intervals between SYN_REPORT packets generated by the specified 9 # touch device. 10 11 # Usage: tools/print_syn.sh 12 # press 'q' to terminate 13 14 . /usr/share/misc/shflags 15 DEFINE_string device "touchpad" "the touch device (touchpad or touchscreen)" "d" 16 DEFINE_string file "/tmp/interval_event.dat" "the event data filename" "f" 17 18 FLAGS_HELP="USAGE: $PROG [flags]" 19 20 FLAGS "$@" || exit 1 21 eval set -- "${FLAGS_ARGV}" 22 set -e 23 24 25 # Derive the device node of the specified device. 26 if [ $FLAGS_device = "touchscreen" ]; then 27 control_script="/opt/google/touchscreen/tscontrol status" 28 else 29 FLAGS_device="touchpad" 30 control_script="/opt/google/touchpad/tpcontrol status" 31 fi 32 33 # device_node_info looks like: 34 # Device Node (250): "/dev/input/event8" 35 device_node_info=`$control_script | grep -i "Device Node"` 36 device_node=`echo $device_node_info | sed -n "s/.*\"\(.*\)\"/\1/p"` 37 echo "device_node for ${FLAGS_device}: $device_node" 38 39 echo "Large intervals are preceded with *****." 40 echo "Remember to press 'q' to terminate.\n" 41 42 43 # Get the directory of the awk script. 44 SYN_PROG="awk_process_syn" 45 syn_dir=`dirname $0` 46 47 cmd="DISPLAY=:0 mtplot $device_node | tee $FLAGS_file | $syn_dir/${SYN_PROG}" 48 echo "Executing ... $cmd" 49 eval $cmd 50
