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#!/usr/bin/python -tt
# Copyright 2015-present Facebook. All rights reserved.
#
# This program file 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 2 of the License.
#
# 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 in a file named COPYING; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301 USA
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from soc_gpio_table import soc_gpio_table
import openbmc_gpio
import openbmc_gpio_table
import argparse
import logging
import sys
def _get_gpio_table():
gpio = openbmc_gpio_table.SocGPIOTable(soc_gpio_table)
return gpio
def dump_func(args):
gpio = _get_gpio_table()
gpio.dump_functions()
return 0
def config_func(args):
gpio = _get_gpio_table()
try:
gpio.config_function(args.function)
except openbmc_gpio_table.NotSmartEnoughException as e:
print('The code is not smart enough to set function "%s": %s\n'
'Please set the function manually.'
% (args.function, str(e)))
print('The current HW setting for this function is:')
gpio.dump_function(args.function)
return -1
except Exception as e:
print('Failed to set function "%s": %s\n'
'Please set the function manually.'
% (args.function, str(e)))
print('The current HW setting for this function is:')
gpio.dump_function(args.function)
logging.exception('Exception:')
return -2
print('Function "%s" is set' % args.function)
return 0
def export_func(args):
openbmc_gpio.gpio_export(args.gpio, args.shadow)
def set_func(args):
openbmc_gpio.gpio_set(args.gpio, args.value,
change_direction=False if args.keep else True)
def get_func(args):
val = openbmc_gpio.gpio_get(
args.gpio, change_direction=False if args.keep else True)
print('%d' % val)
def info_func(args):
res = openbmc_gpio.gpio_info(args.gpio)
print('GPIO info for %s:' % args.gpio)
print('Path: %s\nShadow: %s\nDirection: %s\nValue: %s'
% (res['path'], res['shadow'], res['direction'], res['value']))
def main():
ap = argparse.ArgumentParser()
ap.add_argument('--debug', action='store_true',
help='Enable debug messages')
subparser = ap.add_subparsers()
dump_parser = subparser.add_parser(
'dump', help='Dump the current HW GPIO settings')
dump_parser.set_defaults(func=dump_func)
config_parser = subparser.add_parser(
'config', help='Configure one HW pin to a function')
config_parser.add_argument(
'function', help='The function name to set')
config_parser.set_defaults(func=config_func)
export_parser = subparser.add_parser(
'export', help='Export a GPIO directory')
export_parser.add_argument(
'gpio', help='The GPIO name, i.e. "A4", or "GPIOD2"')
export_parser.add_argument(
'shadow', default=None,
help='The shadow name given to this GPIO')
export_parser.set_defaults(func=export_func)
set_parser = subparser.add_parser(
'set', help='Set a value for a GPIO')
set_parser.add_argument(
'gpio', help='The GPIO name or number')
set_parser.add_argument(
'value', type=int, choices=[0, 1],
help='The value to set')
set_parser.add_argument(
'-k', '--keep', action='store_true',
help='Keep the GPIO direction')
set_parser.set_defaults(func=set_func)
get_parser = subparser.add_parser(
'get', help='Get a GPIO\'s value')
get_parser.add_argument(
'gpio', help='The GPIO name or number')
get_parser.add_argument(
'-k', '--keep', action='store_true',
help='Keep the GPIO direction')
get_parser.set_defaults(func=get_func)
info_parser = subparser.add_parser(
'info', help='Get a GPIO\'s info')
info_parser.add_argument(
'gpio', help='The GPIO name or number')
info_parser.set_defaults(func=info_func)
args = ap.parse_args()
logging.basicConfig(level=logging.DEBUG if args.debug else logging.INFO,
format='%(asctime)s: %(message)s')
return args.func(args)
rc = main()
sys.exit(rc)
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