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5add80f6 JS |
1 | #!/usr/bin/env python |
2 | ||
c09ca11b UH |
3 | ## |
4 | ## This file is part of the sigrok-meter project. | |
5 | ## | |
6 | ## Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de> | |
7 | ## | |
8 | ## This program is free software; you can redistribute it and/or modify | |
9 | ## it under the terms of the GNU General Public License as published by | |
10 | ## the Free Software Foundation; either version 2 of the License, or | |
11 | ## (at your option) any later version. | |
12 | ## | |
13 | ## This program is distributed in the hope that it will be useful, | |
14 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | ## GNU General Public License for more details. | |
17 | ## | |
18 | ## You should have received a copy of the GNU General Public License | |
19 | ## along with this program; if not, write to the Free Software | |
20 | ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | ## | |
22 | ||
13e332b7 UH |
23 | from multiprocessing import Process, Queue |
24 | from gi.repository import Gtk, GObject | |
97f3176e | 25 | from sigrok.core import * |
13e332b7 UH |
26 | |
27 | def init_and_run(queue): | |
28 | def datafeed_in(device, packet): | |
92ba651c | 29 | if packet.type == PacketType.ANALOG: |
13e332b7 UH |
30 | data = packet.payload.data |
31 | unit, unit_str = packet.payload.unit, "" | |
92ba651c | 32 | if unit == Unit.VOLT: |
13e332b7 | 33 | unit_str = " V" |
92ba651c | 34 | elif unit == Unit.OHM: |
13e332b7 | 35 | unit_str = " Ohm" |
92ba651c | 36 | elif unit == Unit.AMPERE: |
13e332b7 | 37 | unit_str = " A" |
92ba651c | 38 | mqflags, mqflags_str = packet.payload.mq_flags, "" |
97f3176e | 39 | if QuantityFlag.AC in mqflags: |
13e332b7 | 40 | mqflags_str = " AC" |
97f3176e | 41 | elif QuantityFlag.DC in mqflags: |
13e332b7 UH |
42 | mqflags_str = " DC" |
43 | for i in range(packet.payload.num_samples): | |
53fed2c3 | 44 | dev = "%s %s" % (device.vendor, device.model) |
92ba651c | 45 | val = "%f%s%s" % (data[0][i], unit_str, mqflags_str) |
49e0ee28 | 46 | queue.put((dev, val)) |
13e332b7 | 47 | |
92ba651c JS |
48 | context = Context_create() |
49 | context.log_level = LogLevel.SPEW | |
53fed2c3 | 50 | drivers_to_use = ['tecpel-dmm-8061-ser'] |
49e0ee28 | 51 | drivers = [context.drivers[d] for d in drivers_to_use] |
53fed2c3 UH |
52 | devices = [d.scan(conn="/dev/ttyUSB0")[0] for d in drivers] |
53 | # devices = [d.scan()[0] for d in drivers] | |
54 | # for dev in devices: | |
55 | # dev.limit_samples = 1000 | |
92ba651c | 56 | session = context.create_session() |
49e0ee28 UH |
57 | for dev in devices: |
58 | session.add_device(dev) | |
92ba651c JS |
59 | dev.open() |
60 | session.add_datafeed_callback(datafeed_in) | |
13e332b7 UH |
61 | session.start() |
62 | session.run() | |
63 | session.stop() | |
c09ca11b | 64 | |
730cbd1f UH |
65 | class SigrokMeter: |
66 | def __init__(self): | |
67 | self.builder = Gtk.Builder() | |
68 | self.builder.add_from_file("sigrok-meter.glade") | |
69 | self.builder.connect_signals(self) | |
13e332b7 | 70 | self.value_label = self.builder.get_object("value_label") |
49e0ee28 | 71 | self.value_label2 = self.builder.get_object("value_label2") |
fd029d02 | 72 | self.win = self.builder.get_object("mainwindow") |
730cbd1f | 73 | self.win.show_all() |
13e332b7 UH |
74 | self.queue = Queue() |
75 | GObject.timeout_add(100, self.update_label_if_needed) | |
76 | ||
77 | def update_label_if_needed(self): | |
78 | try: | |
79 | t = self.queue.get_nowait() | |
49e0ee28 UH |
80 | l = self.value_label if t[0] != "Victor" else self.value_label2 |
81 | l.set_text("%s: %s" % (t[0], t[1])) | |
13e332b7 UH |
82 | except: |
83 | pass | |
84 | GObject.timeout_add(100, self.update_label_if_needed) | |
730cbd1f | 85 | |
fd029d02 | 86 | def on_quit(self, *args): |
2f5ef701 | 87 | Gtk.main_quit(*args) |
730cbd1f | 88 | |
fd029d02 | 89 | def on_about(self, action): |
730cbd1f | 90 | about = self.builder.get_object("aboutdialog") |
92ba651c JS |
91 | context = Context_create() |
92 | sr_pkg = context.package_version | |
93 | sr_lib = context.lib_version | |
a683a5e2 UH |
94 | s = "Using libsigrok %s (lib version %s)." % (sr_pkg, sr_lib) |
95 | about.set_comments(s) | |
dd73092b UH |
96 | about.run() |
97 | about.hide() | |
2f5ef701 | 98 | |
730cbd1f | 99 | if __name__ == '__main__': |
9e7bd3d2 UH |
100 | s = SigrokMeter() |
101 | process = Process(target=init_and_run, args=(s.queue,)) | |
102 | process.start() | |
103 | Gtk.main() | |
104 | process.terminate() | |
c09ca11b | 105 |