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|
#!/usr/bin/env bash
function help()
{
cat << EOF
Usage: devinput.sh [-i] [input.h path] > outfile
devinput.sh parses a linux input.h header file and produces a
lircd.conf file for the devinput driver tailored for the local
system. Using the -i option, it produces an internal format
used when building lirc.
input.h path defaults to /usr/include/linux/input.h, often in
the kernel-headers package.
Script uses the python interpreter defined by the PYTHON
environment variable, falling back to 'python'
EOF
}
here=$(dirname $(${PYTHON:-'python'} -c "import os; print(os.path.realpath(\"$0\"))"))
# Use gnu-sed if available
if which gsed &>/dev/null; then SED=gsed; else SED=sed; fi
lirc_map=''
if [[ "$1" = '-h' || "$1" = '--help' ]]; then
help
exit 0
elif [[ "$1" = -i ]]; then
lirc_map="true"
shift
fi
readonly TYPES="KEY BTN"
if test -e "/usr/include/linux/input-event-codes.h"; then
readonly file=${1:-/usr/include/linux/input-event-codes.h}
elif test -e "/usr/include/linux/input.h"; then
readonly file=${1:-/usr/include/linux/input.h}
elif test -e "$here/../include/linux/input-event-codes.h"; then
readonly file=${1:-$here/../include/linux/input-event-codes.h}
fi
tmpfile=$( mktemp "${TMPDIR:-/tmp}/devinput.XXXXXXXXX" )
if ! test -f $file; then
echo "Cannot access $file. Giving up" >&2
exit 1
fi
for type in $TYPES; do
grep "^#define ${type}_" < $file | \
sort | \
$SED -ne "s/^#define \([^ \t]*\)[ \t][ \t]*\([0-9][0-9a-fA-FxX]*\).*/{\"\1\", \2},/p"
done > $tmpfile
if test -n "$lirc_map"; then
cat $tmpfile
rm -f $tmpfile
exit 0
fi
echo "# Generated by $(basename $0)"
cat <<EOF
begin remote
name devinput-64
bits 16
eps 30
aeps 100
pre_data_bits 16
pre_data 0x0001
post_data_bits 32
post_data 0x00000001
gap 132799
toggle_bit 0
driver devinput
begin codes
EOF
sed "s/^{\"\([^\"]*\)\", \(.*\)},/ \1 \2/" <$tmpfile
cat <<EOF
end codes
end remote
EOF
echo
echo "# generated by $(basename $0) (obsolete 32 bit version)"
cat <<EOF
begin remote
name devinput-32
bits 16
eps 30
aeps 100
pre_data_bits 16
pre_data 0x8001
gap 132799
toggle_bit 0
driver devinput
begin codes
EOF
sed "s/^{\"\([^\"]*\)\", \(.*\)},/ \1 \2/" < $tmpfile
cat <<EOF
end codes
end remote
EOF
rm -f $tmpfile
|
