#!/usr/bin/env python
-
##
## This file is part of the sigrok-meter project.
##
## Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
+## Copyright (C) 2014 Jens Steinhauser <jens.steinhauser@gmail.com>
##
## 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
##
import argparse
-from multiprocessing import Process, Queue
-from gi.repository import Gtk, GObject
-import re
import sigrok.core as sr
import sys
import textwrap
-default_drivers = [('demo', {'analog_channels': 1})]
-default_loglevel = sr.LogLevel.WARN
-
-def format_unit(u):
- units = {
- sr.Unit.VOLT: 'V',
- sr.Unit.AMPERE: 'A',
- sr.Unit.OHM: u'\u03A9',
- sr.Unit.FARAD: 'F',
- sr.Unit.KELVIN: 'K',
- sr.Unit.CELSIUS: u'\u00B0C',
- sr.Unit.FAHRENHEIT: u'\u00B0F',
- sr.Unit.HERTZ: 'Hz',
- sr.Unit.PERCENTAGE: '%',
- # sr.Unit.BOOLEAN
- sr.Unit.SECOND: 's',
- sr.Unit.SIEMENS: 'S',
- sr.Unit.DECIBEL_MW: 'dBu',
- sr.Unit.DECIBEL_VOLT: 'dBV',
- # sr.Unit.UNITLESS
- sr.Unit.DECIBEL_SPL: 'dB',
- # sr.Unit.CONCENTRATION
- sr.Unit.REVOLUTIONS_PER_MINUTE: 'rpm',
- sr.Unit.VOLT_AMPERE: 'VA',
- sr.Unit.WATT: 'W',
- sr.Unit.WATT_HOUR: 'Wh',
- sr.Unit.METER_SECOND: 'm/s',
- sr.Unit.HECTOPASCAL: 'hPa',
- sr.Unit.HUMIDITY_293K: '%rF',
- sr.Unit.DEGREE: u'\u00B0',
- sr.Unit.HENRY: 'H'
- }
-
- return units.get(u, '')
-
-def init_and_run(queue, drivers, loglevel):
- def datafeed_in(device, packet):
- if packet.type == sr.PacketType.ANALOG:
- data = packet.payload.data
- unit_str = format_unit(packet.payload.unit)
- mqflags, mqflags_str = packet.payload.mq_flags, ""
-
- if sr.QuantityFlag.AC in mqflags:
- mqflags_str = "AC"
- elif sr.QuantityFlag.DC in mqflags:
- mqflags_str = "DC"
-
- for i in range(packet.payload.num_samples):
- dev = "%s %s" % (device.vendor, device.model)
- mag_str = "%f" % data[0][i]
- val = ' '.join([mag_str, unit_str, mqflags_str])
- queue.put((dev, val))
-
- context = sr.Context_create()
- context.log_level = loglevel
-
- devices = []
- for name, options in drivers:
- try:
- dr = context.drivers[name]
- devices.append(dr.scan(**options)[0])
- except:
- print('error getting device for driver "{}", skipping'.format(name))
-
- if not devices:
- print('no devices found')
- return
-
- session = context.create_session()
- for dev in devices:
- session.add_device(dev)
- dev.open()
- session.add_datafeed_callback(datafeed_in)
- session.start()
- session.run()
- session.stop()
-
-class SigrokMeter:
- def __init__(self):
- self.builder = Gtk.Builder()
- self.builder.add_from_file("sigrok-meter.glade")
- self.builder.connect_signals(self)
- self.value_label = self.builder.get_object("value_label")
- self.value_label2 = self.builder.get_object("value_label2")
- self.win = self.builder.get_object("mainwindow")
- self.win.show_all()
- self.queue = Queue()
- GObject.timeout_add(100, self.update_label_if_needed)
-
- def update_label_if_needed(self):
- try:
- t = self.queue.get_nowait()
- l = self.value_label if t[0] != "Victor" else self.value_label2
- l.set_text("%s: %s" % (t[0], t[1]))
- except:
- pass
- GObject.timeout_add(100, self.update_label_if_needed)
-
- def on_quit(self, *args):
- Gtk.main_quit(*args)
-
- def on_about(self, action):
- about = self.builder.get_object("aboutdialog")
- context = sr.Context_create()
- sr_pkg = context.package_version
- sr_lib = context.lib_version
- s = "Using libsigrok %s (lib version %s)." % (sr_pkg, sr_lib)
- about.set_comments(s)
- about.run()
- about.hide()
+default_drivers = [('demo:analog_channels=4', 'samplerate=4')]
+default_loglevel = 2
def parse_cli():
parser = argparse.ArgumentParser(
description='Simple sigrok GUI for multimeters and dataloggers.',
epilog=textwrap.dedent('''\
- The DRIVER string is the same as for sigrok-cli(1).
+ The DRIVER string is the same as for sigrok-cli(1). Multiple
+ DRIVER and CONFIG items can be supplied. The nth CONFIG is applied
+ to the nth DRIVER. If there are more drivers than configs, the
+ remaining drivers use the default configuration.
- examples:
+ Examples:
%(prog)s --driver tecpel-dmm-8061-ser:conn=/dev/ttyUSB0
%(prog)s --driver uni-t-ut61e:conn=1a86.e008
+
+ %(prog)s --driver demo:analog_channels=1 \\
+ --config samplerate=10
+
+ %(prog)s --driver voltcraft-k204:conn=/dev/ttyUSB0 \\
+ --driver uni-t-ut61d:conn=1a86.e008 \\
+ --driver uni-t-ut61e-ser:conn=/dev/ttyUSB1
'''),
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument('-d', '--driver',
action='append',
+ default=[],
help='The driver to use')
+ parser.add_argument('-c', '--config',
+ action='append',
+ default=[],
+ help='Specify device configuration options')
parser.add_argument('-l', '--loglevel',
type=int,
+ default=default_loglevel,
help='Set loglevel (5 is most verbose)')
+ parser.add_argument('--pyside',
+ action='store_true',
+ default=False,
+ help='Force use of PySide (default is to use PyQt4)')
args = parser.parse_args()
- result = {
- 'drivers': default_drivers,
- 'loglevel': default_loglevel
- }
+ if len(args.config) > len(args.driver):
+ sys.exit('Error: More configurations than drivers given.')
+ # Merge drivers and configurations into a list of tuples.
+ setattr(args, 'drivers', [])
+ if not args.driver:
+ args.drivers = default_drivers
+ sys.stderr.write('No driver given, using demo driver.\n')
if args.driver:
- result['drivers'] = []
- for d in args.driver:
- m = re.match('(?P<name>[^:]+)(?P<opts>(:[^:=]+=[^:=]+)*)', d)
- if not m:
- sys.exit('error parsing option "{}"'.format(d))
+ args.config.extend([''] * (len(args.driver) - len(args.config)))
+ args.drivers = zip(args.driver, args.config)
+ del args.driver
+ del args.config
- opts = m.group('opts').split(':')[1:]
- opts = [tuple(kv.split('=')) for kv in opts]
- opts = dict(opts)
+ return args
- result['drivers'].append((m.group('name'), opts))
+if __name__ == '__main__':
+ args = parse_cli()
- if args.loglevel != None:
- try:
- result['loglevel'] = sr.LogLevel.get(args.loglevel)
- except:
- sys.exit('error: invalid log level')
+ import qtcompat
+ qtcompat.load_modules(args.pyside)
+ QtCore = qtcompat.QtCore
+ QtGui = qtcompat.QtGui
+ import mainwindow
- return result
+ context = sr.Context_create()
+ try:
+ loglevel = sr.LogLevel.get(args.loglevel)
+ context.log_level = loglevel
+ except:
+ sys.exit('Error: invalid log level.')
-if __name__ == '__main__':
- args = parse_cli()
- s = SigrokMeter()
- process = Process(target=init_and_run,
- args=(s.queue, args['drivers'], args['loglevel']))
- process.start()
- Gtk.main()
- process.terminate()
+ app = QtGui.QApplication([])
+ s = mainwindow.MainWindow(context, args.drivers)
+ s.show()
+ sys.exit(app.exec_())
projects / sigrok-meter.git / blobdiff