Kaleidoscope/bin/focus-send

64 lines
1.8 KiB

#!/usr/bin/env bash
# focus-send - Trivial Focus testing tool
# Copyright (C) 2018-2022 Keyboard.io, Inc.
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, version 3.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
set -e
OS=$(uname -s)
# igncr absorbs CR from Focus CRLF line endings
# -echo is needed because raw doesn't turn it off on Linux
STTY_ARGS="9600 raw igncr -echo"
case ${OS} in
Linux)
DEVICE="${DEVICE:-/dev/ttyACM0}"
;;
Darwin)
# bash on macOS has a bug that randomly drops serial input
if [ -n "$BASH_VERSION" ] && [ -x /bin/dash ]; then
# Prevent loop in case someone exported it
export -n BASH_VERSION
exec /bin/dash "$0" "$@"
fi
DEVICE="${DEVICE:-/dev/cu.usbmodemCkbio01E}"
;;
*)
echo "Error Unknown OS : ${OS}" >&2
exit 1
;;
esac
# Redirect prior to running stty, because macOS sometimes resets termios
# state upon last close of a terminal device.
exec < "${DEVICE}"
# shellcheck disable=SC2086 # intentional word splitting
stty $STTY_ARGS
read_reply () {
while read -r line; do
if [ "${line}" = "." ]; then
break
fi
echo "${line}"
done
}
# Flush any invalid commands out of input buffer.
# This could happen after a failed upload.
echo ' ' > "${DEVICE}"
read_reply > /dev/null
echo "$@" >"${DEVICE}"
read_reply