nut-debian/scripts/subdriver/gen-usbhid-subdriver.sh
2022-07-10 09:23:45 +02:00

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#!/bin/bash
# an auxiliary script to produce a "stub" usbhid-ups subdriver from
# the output of
#
# drivers/usbhid-ups -DD -u root -x generic -x vendorid=XXXX auto
#
# Usage: cat debuginfo | gen-usbhid-subdriver.sh
#
# See also: docs/hid-subdrivers.txt
usage() {
echo "Usage: $0 [options] [file]"
echo "Options:"
echo " -h, --help -- show this message and quit"
echo " -n name -- driver name (use natural capitalization)"
echo " -v XXXX -- vendor id"
echo " -p XXXX -- product id"
echo " -k -- keep temporary files (for debugging)"
echo " file -- read from file instead of stdin"
}
DRIVER=""
VENDORID=""
PRODUCTID=""
KEEP=""
while [ $# -gt 0 ]; do
if [ $# -gt 1 -a "$1" = "-n" ]; then
DRIVER="$2"
shift 2
elif [ $# -gt 1 -a "$1" = "-v" ]; then
VENDORID="$2"
shift 2
elif [ $# -gt 1 -a "$1" = "-p" ]; then
PRODUCTID="$2"
shift 2
elif [ "$1" = "-k" ]; then
KEEP=yes
shift
elif echo "$1" | grep -qv '^-'; then
FILE="$1"
shift
elif [ "$1" = "--help" -o "$1" = "-h" ]; then
usage
exit 0
else
echo "Illegal option $1. Try --help for more info." >&2
exit 1
fi
done
# delete temporary files: this is called just before exiting.
cleanup () {
rm -f "$DEBUG" "$UTABLE" "$USAGES" "$SUBST" "$SEDFILE" "$NEWUTABLE"
}
if [ -z "$KEEP" ]; then
trap cleanup EXIT
fi
NAME=gen-usbhid-subdriver
TMPDIR="${TEMPDIR:-/tmp}"
DEBUG=`mktemp "$TMPDIR/$NAME-DEBUG.XXXXXX"`
UTABLE=`mktemp "$TMPDIR/$NAME-UTABLE.XXXXXX"`
USAGES=`mktemp "$TMPDIR/$NAME-USAGES.XXXXXX"`
SUBST=`mktemp "$TMPDIR/$NAME-SUBST.XXXXXX"`
SEDFILE=`mktemp "$TMPDIR/$NAME-SEDFILE.XXXXXX"`
NEWUTABLE=`mktemp "$TMPDIR/$NAME-NEWUTABLE.XXXXXX"`
# save standard input to a file
if [ -z "$FILE" ]; then
FILE="$DEBUG"
cat > "$DEBUG"
fi
# prompt use for name of driver
while [ -z "$DRIVER" ]; do
echo "
Please enter a name for this driver. Use only letters and numbers. Use
natural (upper- and lowercase) capitalization, e.g., 'Belkin', 'APC'."
read -p "Name of subdriver: " DRIVER < /dev/tty
if echo $DRIVER | egrep -q '[^a-zA-Z0-9]'; then
echo "Please use only letters and digits"
DRIVER=""
fi
done
# try to determine product and vendor id
VENDORID=`cat "$FILE" | sed -n 's/.*- VendorID: \([0-9a-fA-F]*\).*/\1/p' | tail -1`
PRODUCTID=`cat "$FILE" | sed -n 's/.*- ProductID: \([0-9a-fA-F]*\).*/\1/p' | tail -1`
# prompt for productid, vendorid if necessary
if [ -z "$VENDORID" ]; then
read -p "Vendor ID: " VENDORID < /dev/tty
fi
if [ -z "$PRODUCTID" ]; then
read -p "Product ID: " PRODUCTID < /dev/tty
fi
LDRIVER=`echo $DRIVER | tr A-Z a-z`
UDRIVER=`echo $DRIVER | tr a-z A-Z`
CFILE="$LDRIVER-hid.c"
HFILE="$LDRIVER-hid.h"
# extract Usage Table
cat "$FILE" | sed -n 's/.*Path: \([^,][^,]*\), Type:.*/\1/p' > "$UTABLE"
# extract Usage codes
cat "$UTABLE" | tr '.' $'\n' | sort -u > "$USAGES"
# make up dummy names for unknown usages
count=0
cat "$USAGES" | egrep '[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]' |\
while read U; do
count=`expr $count + 1`
echo "$U $UDRIVER$count"
done > "$SUBST"
# create an sed script for substitutions
cat "$SUBST" | sed 's/\(.*\) \(.*\)/s!\1!\2!g;/' > "$SEDFILE"
# create modified usage table
sed -f "$SEDFILE" < "$UTABLE" > "$NEWUTABLE"
# generate header file
echo "Creating $HFILE"
cat > "$HFILE" <<EOF
/* ${HFILE} - subdriver to monitor ${DRIVER} USB/HID devices with NUT
*
* Copyright (C)
* 2003 - 2009 Arnaud Quette <ArnaudQuette@Eaton.com>
* 2005 - 2006 Peter Selinger <selinger@users.sourceforge.net>
* 2008 - 2009 Arjen de Korte <adkorte-guest@alioth.debian.org>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef ${UDRIVER}_HID_H
#define ${UDRIVER}_HID_H
#include "usbhid-ups.h"
extern subdriver_t ${LDRIVER}_subdriver;
#endif /* ${UDRIVER}_HID_H */
EOF
# generate source file
echo "Creating $CFILE"
cat > "$CFILE" <<EOF
/* ${CFILE} - subdriver to monitor ${DRIVER} USB/HID devices with NUT
*
* Copyright (C)
* 2003 - 2012 Arnaud Quette <ArnaudQuette@Eaton.com>
* 2005 - 2006 Peter Selinger <selinger@users.sourceforge.net>
* 2008 - 2009 Arjen de Korte <adkorte-guest@alioth.debian.org>
* 2013 Charles Lepple <clepple+nut@gmail.com>
*
* TODO: Add year and name for new subdriver author (contributor)
* Mention in docs/acknowledgements.txt if this is a vendor contribution
*
* Note: this subdriver was initially generated as a "stub" by the
* gen-usbhid-subdriver script. It must be customized.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "usbhid-ups.h"
#include "${HFILE}"
#include "main.h" /* for getval() */
#include "usb-common.h"
#define ${UDRIVER}_HID_VERSION "${DRIVER} HID 0.1"
/* FIXME: experimental flag to be put in upsdrv_info */
/* ${DRIVER} */
#define ${UDRIVER}_VENDORID 0x${VENDORID}
/* USB IDs device table */
static usb_device_id_t ${LDRIVER}_usb_device_table[] = {
/* ${DRIVER} */
{ USB_DEVICE(${UDRIVER}_VENDORID, 0x${PRODUCTID}), NULL },
/* Terminating entry */
{ 0, 0, NULL }
};
/* --------------------------------------------------------------- */
/* Vendor-specific usage table */
/* --------------------------------------------------------------- */
/* ${UDRIVER} usage table */
static usage_lkp_t ${LDRIVER}_usage_lkp[] = {
EOF
cat "$SUBST" | sed 's/\(.*\) \(.*\)/\t{ "\2",\t0x\1 },/' >> "$CFILE"
cat >> "$CFILE" <<EOF
{ NULL, 0 }
};
static usage_tables_t ${LDRIVER}_utab[] = {
${LDRIVER}_usage_lkp,
hid_usage_lkp,
NULL,
};
/* --------------------------------------------------------------- */
/* HID2NUT lookup table */
/* --------------------------------------------------------------- */
static hid_info_t ${LDRIVER}_hid2nut[] = {
EOF
cat "$NEWUTABLE" | sort -u | while read U; do
UL=`echo $U | tr A-Z a-z`
cat >> "$CFILE" <<EOF
{ "unmapped.${UL}", 0, 0, "${U}", NULL, "%.0f", 0, NULL },
EOF
done
cat >> "$CFILE" <<EOF
/* end of structure. */
{ NULL, 0, 0, NULL, NULL, NULL, 0, NULL }
};
static const char *${LDRIVER}_format_model(HIDDevice_t *hd) {
return hd->Product;
}
static const char *${LDRIVER}_format_mfr(HIDDevice_t *hd) {
return hd->Vendor ? hd->Vendor : "${DRIVER}";
}
static const char *${LDRIVER}_format_serial(HIDDevice_t *hd) {
return hd->Serial;
}
/* this function allows the subdriver to "claim" a device: return 1 if
* the device is supported by this subdriver, else 0. */
static int ${LDRIVER}_claim(HIDDevice_t *hd)
{
int status = is_usb_device_supported(${LDRIVER}_usb_device_table, hd);
switch (status)
{
case POSSIBLY_SUPPORTED:
/* by default, reject, unless the productid option is given */
if (getval("productid")) {
return 1;
}
possibly_supported("${DRIVER}", hd);
return 0;
case SUPPORTED:
return 1;
case NOT_SUPPORTED:
default:
return 0;
}
}
subdriver_t ${LDRIVER}_subdriver = {
${UDRIVER}_HID_VERSION,
${LDRIVER}_claim,
${LDRIVER}_utab,
${LDRIVER}_hid2nut,
${LDRIVER}_format_model,
${LDRIVER}_format_mfr,
${LDRIVER}_format_serial,
fix_report_desc, /* may optionally be customized, see cps-hid.c for example */
};
EOF
cat <<EOF
Done.
Do not forget to:
* add #include "${HFILE}" to drivers/usbhid-ups.c,
* add &${LDRIVER}_subdriver to drivers/usbhid-ups.c:subdriver_list,
* add ${LDRIVER}-hid.c to USBHID_UPS_SUBDRIVERS in drivers/Makefile.am
* add ${LDRIVER}-hid.h to dist_noinst_HEADERS in drivers/Makefile.am
* "autoreconf" from the top level directory
EOF