X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=sigrok-meter;h=4355ff733171310819da5ee13c23ae8efef429a7;hb=9e7bd3d2aed8e7e292a42c8d6bd4b79e1566ac73;hp=d1c98636743a3c4e0f4b2b384e86fc07de1a4b88;hpb=dd73092bcdc3de3618887c9cd2d25cc6361450e6;p=sigrok-meter.git diff --git a/sigrok-meter b/sigrok-meter index d1c9863..4355ff7 100755 --- a/sigrok-meter +++ b/sigrok-meter @@ -19,21 +19,84 @@ ## 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 * -# Handler class for various GTK+ signals. -class Handler: - def onDeleteWindow(self, *args): +def init_and_run(queue): + def datafeed_in(device, packet): + if packet.type is PacketType.ANALOG: + data = packet.payload.data + unit, unit_str = packet.payload.unit, "" + if unit is Unit.VOLT: + unit_str = " V" + elif unit is Unit.OHM: + unit_str = " Ohm" + elif unit is unit.AMPERE: + unit_str = " A" + mqflags, mqflags_str = packet.payload.mqflags, "" + 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" % device.vendor + val = "%f%s%s" % (data[i], unit_str, mqflags_str) + queue.put((dev, val)) + + # log = Log() + # log.level = LogLevel.SPEW + context = Context() + drivers_to_use = ['voltcraft-vc820', 'victor-dmm'] + drivers = [context.drivers[d] for d in drivers_to_use] + devices = [d.scan()[0] for d in drivers] + for dev in devices: + dev.limit_samples = 1000 + session = Session(context) + for dev in devices: + session.add_device(dev) + session.add_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_imagemenuitemAbout_activate(self, *args): - about = builder.get_object("aboutdialog") + + def on_about(self, action): + about = self.builder.get_object("aboutdialog") + sr_pkg = ll.sr_package_version_string_get() + sr_lib = ll.sr_lib_version_string_get() + s = "Using libsigrok %s (lib version %s)." % (sr_pkg, sr_lib) + about.set_comments(s) about.run() about.hide() -builder = Gtk.Builder() -builder.add_from_file("sigrok-meter.glade") -builder.connect_signals(Handler()) -win = builder.get_object("main-window") -win.show_all() -Gtk.main() +if __name__ == '__main__': + s = SigrokMeter() + process = Process(target=init_and_run, args=(s.queue,)) + process.start() + Gtk.main() + process.terminate()