def run(self):
        try:
            timer = IntervalTimer(self.__sample_interval)

            while timer.true():
                # position...
                gga = self.__gps.report(GPGGA)
                datum = GPSDatum.construct_from_gga(gga)

                if datum is None:
                    continue

                # average...
                if datum.quality > 0:
                    self.__averaging.append(
                        datum)  # only append valid positional fixes

                value = self.__averaging.compute()

                if value is None:
                    value = datum  # provide current datum when there is no average

                # report...
                with self._lock:
                    value.as_list(self._value)

        except KeyboardInterrupt:
            pass
    def run(self):
        try:
            timer = IntervalTimer(self.item.interval)

            while timer.true():
                # enable sampler...
                self.__mutex.release()

                time.sleep(Scheduler.RELEASE_PERIOD
                           )  # release period: hand semaphore to sampler

                try:
                    # disable sampler...
                    self.__mutex.acquire(self.item.interval)

                except BusyError:
                    # release...
                    self.__mutex.release()

                    print('%s.run: released on busy' % self.item.name,
                          file=sys.stderr)
                    sys.stderr.flush()

        except (ConnectionError, KeyboardInterrupt, SignalError, SystemExit):
            pass
Пример #3
0
    def run(self):
        try:
            timer = IntervalTimer(60)  # self.__conf.sample_period

            while timer.true():
                datum = self.__psu.status()

                with self._lock:
                    datum.as_list(self._value)

        except KeyboardInterrupt:
            pass
Пример #4
0
    def run(self):
        self.__opc.sample()  # reset counts

        try:
            timer = IntervalTimer(self.__conf.sample_period)

            while timer.true():
                datum = self.__opc.sample()

                with self._lock:
                    datum.as_list(self._value)

        except KeyboardInterrupt:
            pass
Пример #5
0
    def run(self):
        try:
            timer = IntervalTimer(self.UPDATE_INTERVAL)

            while timer.true():
                with self._lock:
                    status = SystemStatus.construct_from_jdict(
                        OrderedDict(self._value))

                if status is not None:
                    self.__display.status_message = status.message

                self.__display.update()

        except (BrokenPipeError, KeyboardInterrupt, SystemExit):
            pass
Пример #6
0
    def run(self):
        try:
            # clean...
            self.__opc.clean()

            # sample...
            timer = IntervalTimer(self.__conf.sample_period)

            while timer.true():
                try:
                    if not self.__opc.data_ready():
                        print("OPCMonitor.run: data not ready.",
                              file=sys.stderr)
                        self.__empty()
                        continue

                    datum = self.__opc.sample()

                    if datum.is_zero() and not self.__first_reading:
                        raise ValueError("zero reading")

                    if not self.__first_reading:
                        with self._lock:
                            datum.as_list(self._value)

                except LockTimeout as ex:
                    print("OPCMonitor.run: %s" % ex, file=sys.stderr)
                    self.__empty()

                except ValueError as ex:
                    print("OPCMonitor.run: %s" % ex, file=sys.stderr)
                    self.__empty()
                    self.__power_cycle()

                except OSError as ex:
                    print("OPCMonitor.run: %s" % ex, file=sys.stderr)
                    self.__error(self.__FATAL_ERROR)
                    break

                if self.__first_reading:
                    self.__first_reading = False

        except KeyboardInterrupt:
            pass
Пример #7
0
    def run(self):
        self.__opc.sample()  # reset counts

        try:
            timer = IntervalTimer(self.__conf.sample_period)

            while timer.true():
                sample = self.__opc.sample()

                # report...
                with self._lock:
                    sample.as_list(self._value)

                # monitor...
                if sample.is_zero():
                    self.__power_cycle()

        except KeyboardInterrupt:
            pass
Пример #8
0
class TimedRunner(Runner):
    """
    classdocs
    """

    # ----------------------------------------------------------------------------------------------------------------

    def __init__(self, interval, sample_count=None):
        """
        Constructor
        """
        self.__timer = IntervalTimer(interval)
        self.__sample_count = sample_count

    # ----------------------------------------------------------------------------------------------------------------

    def reset(self):
        self.__timer = IntervalTimer(self.__timer.interval)

    def samples(self, sampler):
        if self.__sample_count is None:
            while self.__timer.true():
                yield sampler.sample()

        else:
            for _ in self.__timer.range(self.__sample_count):
                yield sampler.sample()

    # ----------------------------------------------------------------------------------------------------------------

    @property
    def timer(self):
        return self.__timer

    @property
    def sample_count(self):
        return self.__sample_count

    # ----------------------------------------------------------------------------------------------------------------

    def __str__(self, *args, **kwargs):
        return "TimedRunner:{timer:%s, sample_count:%s}" % (
            self.__timer, self.__sample_count)
Пример #9
0
    def run(self):
        sleep_time = self.__ndir.get_sample_interval()
        timer = IntervalTimer(sleep_time + 0.2)

        try:
            while timer.true():
                self.__ndir.sample()
                time.sleep(sleep_time)

                datum = NDIRVoltages(*self.__ndir.get_sample_voltage()) if self.__raw else self.__ndir.get_sample_gas()

                self.__averaging.append(datum)
                average = self.__averaging.mid()

                # report...
                with self._lock:
                    average.as_list(self._value)

        except (ConnectionError, KeyboardInterrupt, LockTimeout):
            pass
Пример #10
0
    def run(self):
        # initialise fuel guage...
        batt_pack = self.__psu.batt_pack

        if batt_pack is not None:
            params = batt_pack.initialise(self.__host, force_config=False)

            if params:
                print("PSUMonitor.run: battery pack initialised: %s" % params, file=sys.stderr)
                sys.stderr.flush()

        # monitor PSU...
        try:
            timer = IntervalTimer(self.__MONITOR_INTERVAL)

            while timer.true():
                status = self.__psu.status()

                if status is None:
                    continue

                # report...
                with self._lock:
                    status.as_list(self._value)

                # fuel gauge...
                self.__save_fuel_gauge_params(batt_pack)

                # shutdown...
                if not self.__ignore_standby and status.standby:
                    self.__enter_host_shutdown("STANDBY")

                if not self.__ignore_threshold and status.below_power_threshold(self.__psu.charge_min()):
                    self.__enter_host_shutdown("BELOW POWER THRESHOLD")

        except (ConnectionError, KeyboardInterrupt, SystemExit):
            pass
from scs_ndir.gas.ndir.spi_ndir_x1.spi_ndir_x1 import SPINDIRx1


# --------------------------------------------------------------------------------------------------------------------

try:
    I2C.Sensors.open()

    ndir = SPINDIRx1(False, Host.ndir_spi_bus(), Host.ndir_spi_device())
    print(ndir, file=sys.stderr)
    print("-", file=sys.stderr)

    ndir.power_on()

    start_time = time.time()
    timer = IntervalTimer(3.0)

    for _ in timer.range(4000):
        ndir.get_sample_mode(True)
        rec = LocalizedDatetime.now().utc()
        co2_datum = ndir.sample()

        sample = GasesSample('', rec, co2_datum, None, None)

        print(JSONify.dumps(sample))
        sys.stdout.flush()

except KeyboardInterrupt:
    print("")

finally:
Пример #12
0
    ndir.sample()
    time.sleep(interval)

    datum = ndir.get_sample_gas()

    print("response after %s secs..." % interval)
    print("datum: %s" % datum)
    print("-")

    ndir.sample()

    start_time = time.time()
    time.sleep(0.7)

    timer = IntervalTimer(0.1)

    for i in timer.range(15):
        elapsed_time = time.time() - start_time

        try:
            datum = ndir.get_sample_gas()
        except NDIRException as ex:
            datum = ex

        print("%0.3f: datum: %s" % (elapsed_time, datum))

    print("-")

    version = ndir.version()
    print("version: %s" % version)
Пример #13
0
 def reset(self):
     self.__timer = IntervalTimer(self.__timer.interval)
Пример #14
0
 def __init__(self, interval, sample_count=None):
     """
     Constructor
     """
     self.__timer = IntervalTimer(interval)
     self.__sample_count = sample_count
from scs_ndir.gas.ndir.spi_ndir_x1.spi_ndir_x1 import SPINDIRx1


# --------------------------------------------------------------------------------------------------------------------

try:
    I2C.Sensors.open()

    ndir = SPINDIRx1(False, Host.ndir_spi_bus(), Host.ndir_spi_device())
    print(ndir, file=sys.stderr)
    print("-", file=sys.stderr)

    ndir.power_on()

    start_time = time.time()
    timer = IntervalTimer(1.0)

    print("rec, pile_ref_amplitude, pile_act_amplitude, pile_diff, thermistor_avg")

    while timer.true():
        elapsed_time = time.time() - start_time
        pile_ref_amplitude, pile_act_amplitude, thermistor_avg = ndir.get_sample_voltage()
        diff = pile_ref_amplitude - pile_act_amplitude

        print("%7.3f, %0.4f, %0.4f, %0.4f, %0.4f" %
              (elapsed_time, pile_ref_amplitude, pile_act_amplitude, diff, thermistor_avg))
        sys.stdout.flush()

except KeyboardInterrupt:
    print("")
    print(ndir, file=sys.stderr)
    print("-", file=sys.stderr)

    ndir.power_on()

    status = ndir.status()
    jstr = JSONify.dumps(status)

    print("status: %s" % jstr, file=sys.stderr)
    print("-", file=sys.stderr)

    print("calibrating...", file=sys.stderr)
    ndir.measure_calibrate()

    start_time = time.time()
    timer = IntervalTimer(interval)

    print("rec, pile_ref, pile_act, thermistor")

    for _ in timer.range(sample_count):
        pile_ref_voltage, pile_act_voltage, thermistor_voltage = ndir.measure_raw(
        )
        elapsed_time = time.time() - start_time

        # fluked_thermistor = thermistor_voltage - 65536

        # print("%0.3f, %0.4f, %0.4f, %0.4f" % (elapsed_time, pile_ref_voltage, pile_act_voltage, thermistor_voltage))
        print("%0.3f, %s, %s, %s" % (elapsed_time, pile_ref_voltage,
                                     pile_act_voltage, thermistor_voltage))
        sys.stdout.flush()