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#!/usr/bin/env python
#
# Copyright (C) 2015 Analog Devices, Inc.
# Author: Paul Cercueil <paul.cercueil@analog.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
import iio
from sys import argv
def main():
print('Library version: %u.%u (git tag: %s)' % iio.version)
if len(argv) == 3 and argv[1] == '--uri':
uri = argv[2]
else:
contexts = iio.scan_contexts()
if len(contexts) > 1:
print('Multiple contexts found. Please select one using --uri:')
for index, each in enumerate(contexts):
print('\t%d: %s [%s]' % (index, contexts[each], each))
return
uri = next(iter(contexts), None)
ctx = iio.Context(uri)
if uri is not None:
print('Using auto-detected IIO context at URI \"%s\"' % uri)
print('IIO context created: ' + ctx.name)
print('Backend version: %u.%u (git tag: %s)' % ctx.version)
print('Backend description string: ' + ctx.description)
if len(ctx.attrs) > 0:
print('IIO context has %u attributes:' % len(ctx.attrs))
for attr, value in ctx.attrs.items():
print('\t' + attr + ': ' + value)
print('IIO context has %u devices:' % len(ctx.devices))
for dev in ctx.devices:
print('\t' + dev.id + ': ' + dev.name)
if dev is iio.Trigger:
print('Found trigger! Rate: %u Hz' % dev.frequency)
print('\t\t%u channels found:' % len(dev.channels))
for chn in dev.channels:
print('\t\t\t%s: %s (%s)' % (chn.id, chn.name or "", 'output' if chn.output else 'input'))
if len(chn.attrs) != 0:
print('\t\t\t%u channel-specific attributes found:' % len(chn.attrs))
for attr in chn.attrs:
try:
print('\t\t\t\t' + attr + ', value: ' + chn.attrs[attr].value)
except OSError as e:
print('Unable to read ' + attr + ': ' + e.strerror)
if len(dev.attrs) != 0:
print('\t\t%u device-specific attributes found:' % len(dev.attrs))
for attr in dev.attrs:
try:
print('\t\t\t' + attr + ', value: ' + dev.attrs[attr].value)
except OSError as e:
print('Unable to read ' + attr + ': ' + e.strerror)
if len(dev.debug_attrs) != 0:
print('\t\t%u debug attributes found:' % len(dev.debug_attrs))
for attr in dev.debug_attrs:
try:
print('\t\t\t' + attr + ', value: ' + dev.debug_attrs[attr].value)
except OSError as e:
print('Unable to read ' + attr + ': ' + e.strerror)
if __name__ == '__main__':
main()