コード例 #1
0
def main():
	from sampler import Sampler

	s = Sampler("/dev/ttyACM0", debug=True)
	s.set_freq(4000)
	s.set_trigger(1, 490)
	#s.set_trigger_enabled(False)
	s.print_conf()

	vcc = s.get_vcc()
	print "Vcc={}".format(vcc)

	scope = PowerScope(s)

	#scope.run(record_path="scope.avi", frames=40)
	scope.run()

	s.close()
コード例 #2
0
def main():
    from sampler import Sampler

    s = Sampler("/dev/ttyACM0", debug=True)
    s.set_freq(4000)
    s.set_trigger(1, 490)
    #s.set_trigger_enabled(False)
    s.print_conf()

    vcc = s.get_vcc()
    print "Vcc={}".format(vcc)

    scope = PowerScope(s)

    #scope.run(record_path="scope.avi", frames=40)
    scope.run()

    s.close()
コード例 #3
0
class SuperSID():
    '''
    This is the main class which creates all other objects.
    In CMV pattern, this is the Controller.
    '''
    running = False  # class attribute to indicate if the SID application is running

    def __init__(self, config_file='', read_file=None):
        self.version = "EG 1.4 20150801"
        self.timer = None
        self.sampler = None
        self.viewer = None

        # Read Config file here
        print("Reading supersid.cfg ...", end='')
        # this script accepts a .cfg file as optional argument else we default
        # so that the "historical location" or the local path are explored
        self.config = Config(os.path.expanduser(config_file) or "supersid.cfg")
        # once the .cfg read, some sanity checks are necessary
        self.config.supersid_check()
        if not self.config.config_ok:
            print("ERROR:", self.config.config_err)
            exit(1)
        else:
            print(self.config.filenames
                  )  # good for debugging: what .cfg file(s) were actually read
        self.config["supersid_version"] = self.version

        # Create Logger - Logger will read an existing file if specified as -r|--read script argument
        self.logger = Logger(self, read_file)
        if 'utc_starttime' not in self.config:
            self.config['utc_starttime'] = self.logger.sid_file.sid_params[
                "utc_starttime"]

        # Create the viewer based on the .cfg specification (or set default):
        # Note: the list of Viewers can be extended provided they implement the same interface
        if self.config['viewer'] == 'wx':
            # GUI Frame to display real-time VLF Spectrum based on wxPython
            # # special case: 'wx' module might not be installed (text mode only) nor even available (python 3)
            try:
                from wxsidviewer import wxSidViewer
                self.viewer = wxSidViewer(self)
                wx_imported = True
            except ImportError:
                print("'wx' module not imported.")
                wx_imported = False
        elif self.config['viewer'] == 'tk':
            # GUI Frame to display real-time VLF Spectrum based on tkinter (python 2 and 3)
            from tksidviewer import tkSidViewer
            self.viewer = tkSidViewer(self)
        elif self.config['viewer'] == 'text':
            # Lighter text version a.k.a. "console mode"
            from textsidviewer import textSidViewer
            self.viewer = textSidViewer(self)
        else:
            print("ERROR: Unknown viewer", sid.config['viewer'])
            exit(2)

        # Assign desired psd function for calculation after capture
        # currently: using matplotlib's psd
        if (self.config['viewer'] == 'wx'
                and wx_imported) or self.config['viewer'] == 'tk':
            self.psd = self.viewer.get_psd  # calculate psd and draw result in one call
        else:
            self.psd = mlab_psd  # calculation only

        # calculate Stations' buffer_size
        self.buffer_size = int(24 * 60 * 60 / self.config['log_interval'])

        # Create Sampler to collect audio buffer (sound card or other server)
        self.sampler = Sampler(
            self,
            audio_sampling_rate=self.config['audio_sampling_rate'],
            NFFT=1024)
        if not self.sampler.sampler_ok:
            self.close()
            exit(3)
        else:
            self.sampler.set_monitored_frequencies(self.config.stations)

        # Link the logger.sid_file.data buffers to the config.stations
        for ibuffer, station in enumerate(self.config.stations):
            station['raw_buffer'] = self.logger.sid_file.data[ibuffer]

        # Create Timer
        self.viewer.status_display("Waiting for Timer ... ")
        self.timer = SidTimer(self.config['log_interval'], self.on_timer)

    def clear_all_data_buffers(self):
        """Clear the current memory buffers and pass to the next day"""
        self.logger.sid_file.clear_buffer(next_day=True)

    def on_timer(self):
        """Callback function triggered by SidTimer every 'log_interval' seconds"""
        # current_index is the position in the buffer calculated from current UTC time
        current_index = self.timer.data_index
        utc_now = self.timer.utc_now

        # Get new data and pass them to the View
        message = "%s  [%d]  Capturing data..." % (self.timer.get_utc_now(),
                                                   current_index)
        self.viewer.status_display(message, level=1)
        signal_strengths = []
        try:
            data = self.sampler.capture_1sec(
            )  # return a list of 1 second signal strength
            Pxx, freqs = self.psd(data, self.sampler.NFFT,
                                  self.sampler.audio_sampling_rate)
            for binSample in self.sampler.monitored_bins:
                signal_strengths.append(Pxx[binSample])
        except IndexError as idxerr:
            print("Index Error:", idxerr)
            print("Data len:", len(data))
        except TypeError as err_te:
            print("Warning:", err_te)

        # ensure that one thread at the time accesses the sid_file's' buffers
        with self.timer.lock:
            # do we need to save some files (hourly) or switch to a new day?
            if self.timer.utc_now.minute == 0 and self.timer.utc_now.second < self.config[
                    'log_interval']:
                if self.config['hourly_save'] == 'YES':
                    fileName = "hourly_current_buffers.raw.ext.%s.csv" % (
                        self.logger.sid_file.sid_params['utc_starttime'][:10])
                    self.save_current_buffers(filename=fileName,
                                              log_type='raw',
                                              log_format='supersid_extended')
                # a new day!
                if self.timer.utc_now.hour == 0:
                    # use log_type and log_format(s) requested by the user in the .cfg
                    for log_format in self.config['log_format'].split(','):
                        self.save_current_buffers(
                            log_type=self.config['log_type'],
                            log_format=log_format)
                    self.clear_all_data_buffers()
            # Save signal strengths into memory buffers ; prepare message for status bar
            message = self.timer.get_utc_now() + "  [%d]  " % current_index
            for station, strength in zip(self.config.stations,
                                         signal_strengths):
                station['raw_buffer'][current_index] = strength
                message += station['call_sign'] + "=%f " % strength
            self.logger.sid_file.timestamp[current_index] = utc_now

        # end of this thread/need to handle to View to display captured data & message
        self.viewer.status_display(message, level=2)

    def save_current_buffers(self,
                             filename='',
                             log_type='raw',
                             log_format='both'):
        ''' Save buffer data from logger.sid_file

            log_type = raw or filtered
            log_format = sid_format|sid_extended|supersid_format|supersid_extended|both|both_extended'''
        filenames = []
        if log_format.startswith('both') or log_format.startswith('sid'):
            fnames = self.logger.log_sid_format(
                self.config.stations,
                '',
                log_type=log_type,
                extended=log_format.endswith('extended')
            )  # filename is '' to ensure one file per station
            filenames += fnames
        if log_format.startswith('both') or log_format.startswith('supersid'):
            fnames = self.logger.log_supersid_format(
                self.config.stations,
                filename,
                log_type=log_type,
                extended=log_format.endswith('extended'))
            filenames += fnames
        return filenames

    def on_close(self):
        self.close()

    def run(self, wx_app=None):
        """Start the application as infinite loop accordingly to need"""
        self.__class__.running = True
        self.viewer.run()

    def close(self):
        """Call all necessary stop/close functions of children objects"""
        self.__class__.running = False
        if self.sampler:
            self.sampler.close()
        if self.timer:
            self.timer.stop()
        if self.viewer:
            self.viewer.close()

    def about_app(self):
        """return a text indicating various information on the app, incl, versions"""
        msg = """This program is designed to detect Sudden Ionosphere Disturbances (SID), \
which are caused by a blast of intense X-ray radiation when there is a Solar Flare on the Sun.\n\n""" + \
            "Controller: " + self.version + "\n" +  \
            "Sampler: " + self.sampler.version  + "\n"  \
            "Timer: " + self.timer.version  + "\n"  \
            "Config: " + self.config.version  + "\n"  \
            "Logger: " + self.logger.version  + "\n"  \
            "Sidfile: " + self.logger.sid_file.version  + "\n" + \
            "Viewer: " + self.viewer.version  + "\n"  + \
            "\n\nAuthor: Eric Gibert  [email protected]" +  \
            "\n\nVisit http://solar-center.stanford.edu/SID/sidmonitor/ for more information."
        return msg
コード例 #4
0
class SuperSID():
    '''
    This is the main class which creates all other objects.
    In CMV pattern, this is the Controller.
    '''
    running = False  # class attribute to indicate if the SID application is running

    def __init__(self, config_file='', read_file=None):
        self.version = "EG 1.4 20150801"
        self.timer = None
        self.sampler = None
        self.viewer = None

        # Read Config file here
        print("Reading supersid.cfg ...", end='')
        # this script accepts a .cfg file as optional argument else we default
        # so that the "historical location" or the local path are explored
        self.config = Config(config_file or "supersid.cfg")
        # once the .cfg read, some sanity checks are necessary
        self.config.supersid_check()
        if not self.config.config_ok:
            print("ERROR:", self.config.config_err)
            exit(1)
        else:
            print(self.config.filenames) # good for debugging: what .cfg file(s) were actually read
        self.config["supersid_version"] = self.version

        # Create Logger - Logger will read an existing file if specified as -r|--read script argument
        self.logger = Logger(self, read_file)
        if 'utc_starttime' not in self.config:
            self.config['utc_starttime'] = self.logger.sid_file.sid_params["utc_starttime"]

        # Create the viewer based on the .cfg specification (or set default):
        # Note: the list of Viewers can be extended provided they implement the same interface
        if self.config['viewer'] == 'wx' and wx_imported:
            # GUI Frame to display real-time VLF Spectrum based on wxPython
            self.viewer = wxSidViewer(self)
        elif self.config['viewer'] == 'tk':
            # GUI Frame to display real-time VLF Spectrum based on tkinter (python 2 and 3)
            self.viewer = tkSidViewer(self)
        elif self.config['viewer'] == 'text':
            # Lighter text version a.k.a. "console mode"
            self.viewer = textSidViewer(self)
        else:
            print("ERROR: Unknown viewer", sid.config['viewer'])
            exit(2)

        # Assign desired psd function for calculation after capture
        # currently: using matplotlib's psd
        if (self.config['viewer'] == 'wx' and wx_imported) or self.config['viewer'] == 'tk':
            self.psd = self.viewer.get_psd  # calculate psd and draw result in one call
        else:
            self.psd = mlab_psd             # calculation only

        # calculate Stations' buffer_size
        self.buffer_size = int(24*60*60 / self.config['log_interval'])

        # Create Sampler to collect audio buffer (sound card or other server)
        self.sampler = Sampler(self, audio_sampling_rate = self.config['audio_sampling_rate'], NFFT = 1024);
        if not self.sampler.sampler_ok:
            self.close()
            exit(3)
        else:
            self.sampler.set_monitored_frequencies(self.config.stations);

        # Link the logger.sid_file.data buffers to the config.stations
        for ibuffer, station  in enumerate(self.config.stations):
            station['raw_buffer'] =  self.logger.sid_file.data[ibuffer]

        # Create Timer
        self.viewer.status_display("Waiting for Timer ... ")
        self.timer = SidTimer(self.config['log_interval'], self.on_timer)


    def clear_all_data_buffers(self):
        """Clear the current memory buffers and pass to the next day"""
        self.logger.sid_file.clear_buffer(next_day = True)

    def on_timer(self):
        """Callback function triggered by SidTimer every 'log_interval' seconds"""
        # current_index is the position in the buffer calculated from current UTC time
        current_index = self.timer.data_index
        utc_now = self.timer.utc_now

        # Get new data and pass them to the View
        message = "%s  [%d]  Capturing data..." % (self.timer.get_utc_now(), current_index)
        self.viewer.status_display(message, level=1)
        signal_strengths = []
        try:
            data = self.sampler.capture_1sec()  # return a list of 1 second signal strength
            Pxx, freqs = self.psd(data, self.sampler.NFFT, self.sampler.audio_sampling_rate)
            for binSample in self.sampler.monitored_bins:
                signal_strengths.append(Pxx[binSample])
        except IndexError as idxerr:
            print("Index Error:", idxerr)
            print("Data len:", len(data))
        except TypeError as err_te:
            print("Warning:", err_te)

        # ensure that one thread at the time accesses the sid_file's' buffers
        with self.timer.lock:
            # do we need to save some files (hourly) or switch to a new day?
            if self.timer.utc_now.minute == 0 and self.timer.utc_now.second < self.config['log_interval']:
                if self.config['hourly_save'] == 'YES':
                    fileName = "hourly_current_buffers.raw.ext.%s.csv" % (self.logger.sid_file.sid_params['utc_starttime'][:10])
                    self.save_current_buffers(filename=fileName, log_type='raw', log_format='supersid_extended')
                # a new day!
                if self.timer.utc_now.hour == 0:
                    # use log_type and log_format(s) requested by the user in the .cfg
                    for log_format in self.config['log_format'].split(','):
                        self.save_current_buffers(log_type=self.config['log_type'], log_format=log_format)
                    self.clear_all_data_buffers()
            # Save signal strengths into memory buffers ; prepare message for status bar
            message = self.timer.get_utc_now() + "  [%d]  " % current_index
            for station, strength in zip(self.config.stations, signal_strengths):
                station['raw_buffer'][current_index] = strength
                message +=  station['call_sign'] + "=%f " % strength
            self.logger.sid_file.timestamp[current_index] = utc_now

        # end of this thread/need to handle to View to display captured data & message
        self.viewer.status_display(message, level=2)

    def save_current_buffers(self, filename='', log_type='raw', log_format = 'both'):
        ''' Save buffer data from logger.sid_file

            log_type = raw or filtered
            log_format = sid_format|sid_extended|supersid_format|supersid_extended|both|both_extended'''
        filenames = []
        if log_format.startswith('both') or log_format.startswith('sid'):
            fnames = self.logger.log_sid_format(self.config.stations, '', log_type=log_type, extended=log_format.endswith('extended')) # filename is '' to ensure one file per station
            filenames += fnames
        if log_format.startswith('both') or log_format.startswith('supersid'):
            fnames = self.logger.log_supersid_format(self.config.stations, filename, log_type=log_type, extended=log_format.endswith('extended'))
            filenames += fnames
        return filenames

    def on_close(self):
        self.close()

    def run(self, wx_app = None):
        """Start the application as infinite loop accordingly to need"""
        self.__class__.running = True
        self.viewer.run()

    def close(self):
        """Call all necessary stop/close functions of children objects"""
        self.__class__.running = False
        if self.sampler:
            self.sampler.close()
        if self.timer:
            self.timer.stop()
        if self.viewer:
            self.viewer.close()

    def about_app(self):
        """return a text indicating various information on the app, incl, versions"""
        msg = """This program is designed to detect Sudden Ionosphere Disturbances (SID), \
which are caused by a blast of intense X-ray radiation when there is a Solar Flare on the Sun.\n\n""" + \
            "Controller: " + self.version + "\n" +  \
            "Sampler: " + self.sampler.version  + "\n"  \
            "Timer: " + self.timer.version  + "\n"  \
            "Config: " + self.config.version  + "\n"  \
            "Logger: " + self.logger.version  + "\n"  \
            "Sidfile: " + self.logger.sid_file.version  + "\n" + \
            "Viewer: " + self.viewer.version  + "\n"  + \
            "\n\nAuthor: Eric Gibert  [email protected]" +  \
            "\n\nVisit http://solar-center.stanford.edu/SID/sidmonitor/ for more information."
        return msg
コード例 #5
0
class SuperSID_scanner():
    '''
    This is the main class which creates all other objects.
    In CMV pattern, this is the Controller.
    '''
    running = False  # class attribute to indicate if the SID application is running

    def __init__(self, config_file='', scan_params=(15, 16000, 24000)):
        self.version = "1.3.1 20130910"
        self.timer = None
        self.sampler = None
        self.viewer = None

        # Read Config file here
        print("Reading supersid.cfg ...", end='')
        # this script accepts a .cfg file as optional argument else we default
        # so that the "historical location" or the local path are explored
        self.config = Config(config_file or "supersid.cfg")
        # once the .cfg read, some sanity checks are necessary
        self.config.supersid_check()
        if not self.config.config_ok:
            print("ERROR:", self.config.config_err)
            exit(1)
        else:
            print(self.config.filenames
                  )  # good for debugging: what .cfg file(s) were actually read

        (self.scan_duration, self.scan_from, self.scan_to) = scan_params
        print("Scanning for %d minutes on [%d:%d]..." % scan_params)
        # create an artificial list of stations
        self.config.stations = []
        for freq in range(self.scan_from, self.scan_to + 100, 100):
            new_station = {}
            new_station['call_sign'] = "ST_%d" % freq
            new_station['frequency'] = str(freq)
            self.config.stations.append(new_station)

        # Create Logger - Logger will read an existing file if specified as -r|--read script argument
        self.logger = Logger(self, '')
        if 'utc_starttime' not in self.config:
            self.config['utc_starttime'] = self.logger.sid_file.sid_params[
                "utc_starttime"]

        # Create the viewer based on the .cfg specification (or set default):
        # Note: the list of Viewers can be extended provided they implement the same interface
        self.config[
            'viewer'] = 'text'  # Lighter text version a.k.a. "console mode"
        self.viewer = textSidViewer(self)
        self.psd = mlab_psd  # calculation only

        # calculate Stations' buffer_size
        self.buffer_size = int(24 * 60 * 60 / self.config['log_interval'])

        # Create Sampler to collect audio buffer (sound card or other server)
        self.sampler = Sampler(
            self,
            audio_sampling_rate=self.config['audio_sampling_rate'],
            NFFT=1024)
        if not self.sampler.sampler_ok:
            self.close()
            exit(3)
        else:
            self.sampler.set_monitored_frequencies(self.config.stations)

        # Link the logger.sid_file.data buffers to the config.stations
        for ibuffer, station in enumerate(self.config.stations):
            station['raw_buffer'] = self.logger.sid_file.data[ibuffer]

        # Create Timer
        self.viewer.status_display("Waiting for Timer ... ")
        self.timer = SidTimer(self.config['log_interval'],
                              self.on_timer,
                              delay=2)
        self.scan_end_time = self.timer.start_time + 60 * self.scan_duration

    def clear_all_data_buffers(self):
        """Clear the current memory buffers and pass to the next day"""
        self.logger.sid_file.clear_buffer(next_day=True)

    def on_timer(self):
        """Callback function triggered by SidTimer every 'log_interval' seconds"""
        # current_index is the position in the buffer calculated from current UTC time
        current_index = self.timer.data_index
        utc_now = self.timer.utc_now
        # clear the View to prepare for new data display
        self.viewer.clear()

        # Get new data and pass them to the View
        message = "%s  [%d]  Capturing data..." % (self.timer.get_utc_now(),
                                                   current_index)
        self.viewer.status_display(message, level=1)

        try:
            data = self.sampler.capture_1sec(
            )  # return a list of 1 second signal strength
            Pxx, freqs = self.psd(data, self.sampler.NFFT,
                                  self.sampler.audio_sampling_rate)
        except IndexError as idxerr:
            print("Index Error:", idxerr)
            print("Data len:", len(data))

        signal_strengths = []
        for binSample in self.sampler.monitored_bins:
            signal_strengths.append(Pxx[binSample])

        # ensure that one thread at the time accesses the sid_file's' buffers
        with self.timer.lock:
            # Save signal strengths into memory buffers ; prepare message for status bar
            message = self.timer.get_utc_now() + "  [%d]  " % current_index
            message += "%d" % (self.scan_end_time - self.timer.time_now)
            for station, strength in zip(self.config.stations,
                                         signal_strengths):
                station['raw_buffer'][current_index] = strength
            self.logger.sid_file.timestamp[current_index] = utc_now

            # did we complete the expected scanning duration?
            if self.timer.time_now >= self.scan_end_time:
                fileName = "scanner_buffers.raw.ext.%s.csv" % (
                    self.logger.sid_file.sid_params['utc_starttime'][:10])
                fsaved = self.save_current_buffers(
                    filename=fileName,
                    log_type='raw',
                    log_format='supersid_extended')
                print(fsaved, "saved.")
                self.close()
                exit(0)

        # end of this thread/need to handle to View to display captured data & message
        self.viewer.status_display(message, level=2)

    def save_current_buffers(self,
                             filename='',
                             log_type='raw',
                             log_format='both'):
        """ Save buffer data from logger.sid_file

            log_type = raw or filtered
            log_format = sid_format|sid_extended|supersid_format|supersid_extended|both|both_extended"""
        filenames = []
        if log_format.startswith('both') or log_format.startswith('sid'):
            fnames = self.logger.log_sid_format(
                self.config.stations,
                '',
                log_type=log_type,
                extended=log_format.endswith('extended')
            )  # filename is '' to ensure one file per station
            filenames += fnames
        if log_format.startswith('both') or log_format.startswith('supersid'):
            fnames = self.logger.log_supersid_format(
                self.config.stations,
                filename,
                log_type=log_type,
                extended=log_format.endswith('extended'))
            filenames += fnames
        return filenames

    def on_close(self):
        self.close()

    def run(self, wx_app=None):
        """Start the application as infinite loop accordingly to need"""
        self.__class__.running = True
        if self.config['viewer'] == 'wx':
            wx_app.MainLoop()
        elif self.config['viewer'] == 'text':
            try:
                while (self.__class__.running):
                    sleep(1)
            except (KeyboardInterrupt, SystemExit):
                pass

    def close(self):
        """Call all necessary stop/close functions of children objects"""
        if self.sampler:
            self.sampler.close()
        if self.timer:
            self.timer.stop()
        if self.viewer:
            self.viewer.close()
        self.__class__.running = False