X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=sigrok-meter;h=fcf5eb4f10c2202c778c44f3ff06817f780fee11;hb=92ba651c9ff23bf1380af73304f59fb5726d1a5d;hp=08441ac07c8cdae70388865cfd43ed82c2c44736;hpb=fd029d021d32f8e7cb11abd99d53bec2cd1d0d3e;p=sigrok-meter.git diff --git a/sigrok-meter b/sigrok-meter index 08441ac..fcf5eb4 100755 --- a/sigrok-meter +++ b/sigrok-meter @@ -1,4 +1,5 @@ -#!/usr/bin/python3 +#!/usr/bin/env python + ## ## This file is part of the sigrok-meter project. ## @@ -19,25 +20,86 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## -from gi.repository import Gtk +from multiprocessing import Process, Queue +from gi.repository import Gtk, GObject +from sigrok.core import * + +def init_and_run(queue): + def datafeed_in(device, packet): + if packet.type == PacketType.ANALOG: + data = packet.payload.data + unit, unit_str = packet.payload.unit, "" + if unit == Unit.VOLT: + unit_str = " V" + elif unit == Unit.OHM: + unit_str = " Ohm" + elif unit == Unit.AMPERE: + unit_str = " A" + mqflags, mqflags_str = packet.payload.mq_flags, "" + if QuantityFlag.AC in mqflags: + mqflags_str = " AC" + elif QuantityFlag.DC in mqflags: + mqflags_str = " DC" + for i in range(packet.payload.num_samples): + dev = "%s %s" % (device.vendor, device.model) + val = "%f%s%s" % (data[0][i], unit_str, mqflags_str) + queue.put((dev, val)) + + context = Context_create() + context.log_level = LogLevel.SPEW + drivers_to_use = ['tecpel-dmm-8061-ser'] + drivers = [context.drivers[d] for d in drivers_to_use] + devices = [d.scan(conn="/dev/ttyUSB0")[0] for d in drivers] + # devices = [d.scan()[0] for d in drivers] + # for dev in devices: + # dev.limit_samples = 1000 + 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 = 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() if __name__ == '__main__': - SigrokMeter() - Gtk.main() + s = SigrokMeter() + process = Process(target=init_and_run, args=(s.queue,)) + process.start() + Gtk.main() + process.terminate()