+from multiprocessing import Process, Queue
+from gi.repository import Gtk, GObject
+import sigrok.core as sr
+
+def init_and_run(queue):
+ def datafeed_in(device, packet):
+ if packet.type == sr.PacketType.ANALOG:
+ data = packet.payload.data
+ unit, unit_str = packet.payload.unit, ""
+ if unit == sr.Unit.VOLT:
+ unit_str = " V"
+ elif unit == sr.Unit.OHM:
+ unit_str = " Ohm"
+ elif unit == sr.Unit.AMPERE:
+ unit_str = " A"
+ 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)
+ val = "%f%s%s" % (data[0][i], unit_str, mqflags_str)
+ queue.put((dev, val))
+
+ context = sr.Context_create()
+ context.log_level = sr.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()