| #!/bin/sh |
| |
| # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # This script invokes awk_process_syn to compute and print the |
| # intervals between SYN_REPORT packets generated by the specified |
| # touch device. |
| |
| # Usage: tools/print_syn.sh |
| # press 'q' to terminate |
| |
| . /usr/share/misc/shflags |
| DEFINE_string device "touchpad" "the touch device (touchpad or touchscreen)" "d" |
| DEFINE_string file "/tmp/interval_event.dat" "the event data filename" "f" |
| |
| FLAGS_HELP="USAGE: $PROG [flags]" |
| |
| FLAGS "$@" || exit 1 |
| eval set -- "${FLAGS_ARGV}" |
| set -e |
| |
| |
| # Derive the device node of the specified device. |
| if [ $FLAGS_device = "touchscreen" ]; then |
| control_script="/opt/google/touchscreen/tscontrol status" |
| else |
| FLAGS_device="touchpad" |
| control_script="/opt/google/touchpad/tpcontrol status" |
| fi |
| |
| # device_node_info looks like: |
| # Device Node (250): "/dev/input/event8" |
| device_node_info=`$control_script | grep -i "Device Node"` |
| device_node=`echo $device_node_info | sed -n "s/.*\"\(.*\)\"/\1/p"` |
| echo "device_node for ${FLAGS_device}: $device_node" |
| |
| echo "Large intervals are preceded with *****." |
| echo "Remember to press 'q' to terminate.\n" |
| |
| |
| # Get the directory of the awk script. |
| SYN_PROG="awk_process_syn" |
| syn_dir=`dirname $0` |
| |
| cmd="DISPLAY=:0 mtplot $device_node | tee $FLAGS_file | $syn_dir/${SYN_PROG}" |
| echo "Executing ... $cmd" |
| eval $cmd |
