Ejemplo n.º 1
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def get_devices(include_links=False):
    if os.name == 'nt' or sys.platform == 'win32':
        from serial.tools.list_ports_windows import comports
    elif os.name == 'posix':
        from serial.tools.list_ports_posix import comports

    if pyserial_34:
        ports = comports(include_links=include_links)
    else:
        ports = comports()

    return sorted(ports)
Ejemplo n.º 2
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def enum_ports():
    hits = 0
    # get iteraror w/ or w/o filter
    iterator = sorted(comports())

    for i in iterator:
        yield i[0]
Ejemplo n.º 3
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def show_ports():
    iterator = sorted(comports())
    sys.stdout.write('Available ports: \n')
    for n, (port, desc, hwid) in enumerate(iterator, 1):
        sys.stdout.write('{:20}\n'.format(port))
        sys.stdout.write('    desc: {}\n'.format(desc))
        sys.stdout.write('    hwid: {}\n'.format(hwid))
Ejemplo n.º 4
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def comports():
    """Generator for comports found from list ports windows and comports found
    in the windows registry.

    See Also:
        list_ports_winreg.comports_list(), list_ports_winreg.winreg_comports(),
        list_ports_windows.comports()

    Note:
        This should include virtual comports. This method contains all
        list_ports_windows.comports() and winreg_comports() that were not found
        from list_ports_windows.

    Yields:
        comport (ListPortInfo): Comport details.

    Returns:
        comports (generator): Generator of ListPortInfo comports.
    """
    existing = []
    for comport in list_ports_windows.comports():
        existing.append(comport)
        yield comport

    for li in winreg_comports():
        if li not in existing:
            existing.append(li)
            yield li
Ejemplo n.º 5
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def enum_ports():
    hits = 0
    # get iteraror w/ or w/o filter
    iterator = sorted(comports())

    for i in iterator:
        yield i[0]
Ejemplo n.º 6
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    def find_all_ports(self):
        '''Return a list of port names found. OS independent in nature. Unsupported OS raises OSError exception'''

        port_list=[] #List to return ports information

        #Find all ports for windows
        if sys.platform.startswith('win'):
            import serial.tools.list_ports_windows as sertoolswin
            ports = sertoolswin.comports()

        #Find all ports for Linux based OSes
        elif sys.platform.startswith('linux') or sys.platform.startswith('cygwin'):
            import serial.tools.list_ports_linux as sertoolslin
            ports = sertoolslin.comports()
        
        #Find all ports for MacOSX
        elif sys.platform.startswith('darwin'):
            import serial.tools.list_ports_osx as sertoolsosx
            ports = sertoolsosx.comports()

        #Raise exception for unsupported OS
        else:
            raise OSError("Unsupported Platform/OS")

        #Fill the return list with information found
        print('Available ports are:')
        for port, desc, hwid in sorted(ports):
            port_list.append(port)
            print("{}: {} with id: {}".format(port, desc, hwid))
        
        return port_list
Ejemplo n.º 7
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def auto_detect_serial_win32(preferred_list=['*']):
    '''try to auto-detect serial ports on win32'''
    try:
        from serial.tools.list_ports_windows import comports
        list = sorted(comports())
    except:
        return []
    ret = []
    others = []
    for port, description, hwid in list:
        matches = False
        p = SerialPort(port, description=description, hwid=hwid)
        for preferred in preferred_list:
            if fnmatch.fnmatch(description, preferred) or fnmatch.fnmatch(
                    hwid, preferred):
                matches = True
        if matches:
            ret.append(p)
        else:
            others.append(p)
    if len(ret) > 0:
        return ret
    # now the rest
    ret.extend(others)
    return ret
Ejemplo n.º 8
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    def getSerialPorts(cls) -> List[Optional[str]]:
        """Lists serial port names

        :raises EnvironmentError:
            On unsupported or unknown platforms
        :returns:
            A list of the serial ports available on the system
        """
        if isWindows():
            ports = [port.device for port in comports()]
        elif isLinux():
            # this excludes your current terminal "/dev/tty"
            ports = glob.glob("/dev/tty[A-Za-z]*")
        elif isMacOS():
            ports = glob.glob("/dev/tty.*")
        else:
            raise EnvironmentError("Unsupported platform")

        valid: List[str] = ports

        result: List[Optional[str]] = []

        if len(valid) > 0:
            valid.sort()

        result.append(None)  # Add the None option
        result.extend(valid)

        return result
Ejemplo n.º 9
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def find_port():
    logging.debug('Searching for port...')
    for port in comports():
        device = port[0]
        if 'bluetooth' in device.lower():
            continue
        if port.pid != 0xea60 and port.vid != 0x10c4:
            logging.debug(f'skipping: {port.hwid}')
            continue
        try:
            logging.debug('Trying %s', device)
            s = serial.Serial(device)
        except serial.SerialException:
            logging.debug('Port is busy, continuing...')
            continue
        else:
            s.close()
            logging.debug('Port is found! - %s', device)
            if (sys.version_info.major == 2):
                if isinstance(device, unicode):
                    device = device.encode('utf-8')
            return device
    else:
        logging.debug('Port not found')
        return
Ejemplo n.º 10
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def get_serialports():
    if os.name == "nt":
        from serial.tools.list_ports_windows import comports
    elif os.name == "posix":
        from serial.tools.list_ports_posix import comports
    else:
        raise exception.GetSerialPortsError(os.name)
    return [{"port": p, "description": d, "hwid": h} for p, d, h in comports()]
Ejemplo n.º 11
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def find_teensy():
    """Returns a list of ports for all Teensy devices."""

    result = []
    for usb_dev in sorted(comports()):
        if usb_dev.vid == VendorID and usb_dev.pid == ProductID:
            result.append(usb_dev)
    return result
Ejemplo n.º 12
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def devices():
    '''Print available devices.'''
    if os.name == 'nt' or sys.platform == 'win32':
        from serial.tools.list_ports_windows import comports
    elif os.name == 'posix':
        from serial.tools.list_ports_posix import comports
    for port in sorted(comports()):
        click.echo(port[0], err=True)
Ejemplo n.º 13
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 def getComPortsList():
     log.debug(f"Update thread ID: {int(QThread.currentThreadId())}")
     log.debug("Fetching com ports...")
     newComPorts: List[ComPortInfo] = comports()
     log.debug(
         f"New com ports list: {', '.join(port.device for port in newComPorts)} ({len(newComPorts)} items)"
     )
     return newComPorts
Ejemplo n.º 14
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def ini_serial():
    global SER_COM
    global ser
    for info in comports(False):
        if 'USB Serial Port' in info.description:
            SER_COM=info.device
            print(SER_COM)
    ser = serial.Serial(port=SER_COM, baudrate=921600,timeout=None, xonxoff=0, rtscts=1)#parity
Ejemplo n.º 15
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def get_serialports():
    if os.name == "nt":
        from serial.tools.list_ports_windows import comports
    elif os.name == "posix":
        from serial.tools.list_ports_posix import comports
    else:
        raise exception.GetSerialPortsError(os.name)
    return [{"port": p, "description": d, "hwid": h} for p, d, h in comports()]
Ejemplo n.º 16
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def get_ports_list():
    import argparse

    parser = argparse.ArgumentParser(description='Serial port enumeration')

    parser.add_argument('regexp',
                        nargs='?',
                        help='only show ports that match this regex')

    parser.add_argument('-v',
                        '--verbose',
                        action='store_true',
                        help='show more messages')

    parser.add_argument('-q',
                        '--quiet',
                        action='store_true',
                        help='suppress all messages')

    parser.add_argument('-n', type=int, help='only output the N-th entry')

    parser.add_argument(
        '-s',
        '--include-links',
        action='store_true',
        help='include entries that are symlinks to real devices')

    args = parser.parse_args()

    hits = 0
    serial_results = []
    # get iteraror w/ or w/o filter
    if args.regexp:
        if not args.quiet:
            sys.stderr.write("Filtered list with regexp: {!r}\n".format(
                args.regexp))
        iterator = sorted(grep(args.regexp, include_links=args.include_links))
    else:
        iterator = sorted(comports(include_links=args.include_links))

    # list them
    for n, (port, desc, hwid) in enumerate(iterator, 1):
        if args.n is None or args.n == n:
            # sys.stdout.write("{:20}\n".format(port))
            port_result = [port, desc, hwid]
            serial_results.append(port_result)
            if args.verbose:
                sys.stdout.write("    desc: {}\n".format(desc))
                sys.stdout.write("    hwid: {}\n".format(hwid))
        hits += 1
    if not args.quiet:
        if hits:
            # sys.stderr.write("{} ports found\n".format(hits))
            pass
        else:
            sys.stderr.write("no ports found\n")

    return serial_results
Ejemplo n.º 17
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 def findarduino(self):
     ports = list_ports_windows.comports()
     port_list = []
     for x in ports:
         #print(x.__str__()) #                   TODO: bewonder dit lijstje
         if 'Arduino' in x.__str__():  # comport met arduino?
             port_list.append(x.__str__()[:5].strip(
             ))  # sla de eerste 5 tekens op("COM##" of "COM# ")
     return port_list
Ejemplo n.º 18
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def command_devices(verbose=False, include_links=False):
    if os.name == 'nt' or sys.platform == 'win32':
        from serial.tools.list_ports_windows import comports
    elif os.name == 'posix':
        from serial.tools.list_ports_posix import comports

    if pyserial_34:
        ports = comports(include_links=include_links)
    else:
        ports = comports()

    sorted(ports)

    for port, desc, hwid in ports:
        sys.stdout.write("{:20}\n".format(port))
        if verbose:
            sys.stdout.write("    desc: {}\n".format(desc))
            sys.stdout.write("    hwid: {}\n".format(hwid))
Ejemplo n.º 19
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def grep(regexp):
    """\
    Search for ports using a regular expression. Port name, description and
    hardware ID are searched. The function returns an iterable that returns the
    same tuples as comport() would do.
    """
    r = re.compile(regexp, re.I)
    for port, desc, hwid in comports():
        if r.search(port) or r.search(desc) or r.search(hwid):
            yield port, desc, hwid
Ejemplo n.º 20
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def grep(regexp):
    """\
    Search for ports using a regular expression. Port name, description and
    hardware ID are searched. The function returns an iterable that returns the
    same tuples as comport() would do.
    """
    r = re.compile(regexp, re.I)
    for port, desc, hwid in comports():
        if r.search(port) or r.search(desc) or r.search(hwid):
            yield port, desc, hwid
Ejemplo n.º 21
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def find_smoothie():

    iterator = sorted(comports())

    for n, (port, name, desc) in enumerate(iterator, 1):
        # parse the USB serial port's description string
        port_data = parse_port_descriptors(port, name, desc)
        # all smoothieboards have a 'name' attribute
        if port_data.get('pid')=='6015':
            return port_data
Ejemplo n.º 22
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 def list_ports(self):
     import os
     if os.name == 'nt':
         from serial.tools.list_ports_windows import comports
     elif os.name == 'posix':
         from serial.tools.list_ports_posix import comports
     else:
         raise ImportError("Sorry: no implementation for your platform ('%s') available" % (os.name,))
     ports = sorted(comports())
     for n, (port, desc, hwid) in enumerate(ports, 1):
         self.port_list.append(port)
Ejemplo n.º 23
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 def list_ports(self):
     import os
     if os.name == 'nt':
         from serial.tools.list_ports_windows import comports
     elif os.name == 'posix':
         from serial.tools.list_ports_posix import comports
     else:
         raise ImportError("Sorry: no implementation for your platform ('%s') available" % (os.name,))
     ports = sorted(comports())
     for n, (port, desc, hwid) in enumerate(ports, 1):
         self.port_list.append(port)
Ejemplo n.º 24
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    def main(self):
        if os.name == 'nt':  # sys.platform == 'win32':
            from serial.tools.list_ports_windows import comports
        elif os.name == 'posix':
            from serial.tools.list_ports_posix import comports
        else:
            raise ImportError(
                "Sorry: no implementation for your platform ('{}') available".
                format(os.name))

        for info in comports():
            print(info.device)
Ejemplo n.º 25
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 def find_possible_port():
     if os.name == 'nt':
         from serial.tools.list_ports_windows import comports
     elif os.name == 'posix':
         from serial.tools.list_ports_posix import comports
     else:
         raise ImportError(
             "Sorry: no implementation for your platform ('{}') available".
             format(os.name))
     ports = comports(True)
     outputs = [port.device for port in ports]
     return outputs
Ejemplo n.º 26
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def main():
    import argparse

    parser = argparse.ArgumentParser(description='Serial port enumeration')

    parser.add_argument(
        'regexp',
        nargs='?',
        help='only show ports that match this regex')

    parser.add_argument(
        '-v', '--verbose',
        action='store_true',
        help='show more messages')

    parser.add_argument(
        '-q', '--quiet',
        action='store_true',
        help='suppress all messages')

    parser.add_argument(
        '-n',
        type=int,
        help='only output the N-th entry')

    parser.add_argument(
        '-s', '--include-links',
        action='store_true',
        help='include entries that are symlinks to real devices')

    args = parser.parse_args()

    hits = 0
    # get iteraror w/ or w/o filter
    if args.regexp:
        if not args.quiet:
            sys.stderr.write("Filtered list with regexp: {!r}\n".format(args.regexp))
        iterator = sorted(grep(args.regexp, include_links=args.include_links))
    else:
        iterator = sorted(comports(include_links=args.include_links))
    # list them
    for n, (port, desc, hwid) in enumerate(iterator, 1):
        if args.n is None or args.n == n:
            sys.stdout.write("{:20}\n".format(port))
            if args.verbose:
                sys.stdout.write("    desc: {}\n".format(desc))
                sys.stdout.write("    hwid: {}\n".format(hwid))
        hits += 1
    if not args.quiet:
        if hits:
            sys.stderr.write("{} ports found\n".format(hits))
        else:
            sys.stderr.write("no ports found\n")
Ejemplo n.º 27
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 def run(self) -> None:
     # ---
     EdgeService.run(self)
     # --- 1A86:7523
     # --------------------------------------------- SERIAL
     import sys
     import os
     from serial.tools.list_ports_common import ListPortInfo
     if os.name == 'nt' or sys.platform == 'win32':
         from serial.tools.list_ports_windows import comports
     elif os.name == 'posix':
         from serial.tools.list_ports_posix import comports
     else:
         raise ImportError(
             "Sorry: no implementation for your platform ('{}') available".
             format(os.name))
     # ---
     target_vid = "0x1A86"
     target_pid = "0x7523"
     # ---
     tmp_comp = comports(include_links=None)
     for item in tmp_comp:
         tmp_item: ListPortInfo = item
         print("ARDUINO: {:20} desc: {} hwid: {}".format(
             tmp_item.device, tmp_item.description, tmp_item.hwid))
         if tmp_item.vid and tmp_item.pid and not self.serial_port:
             print(hex(tmp_item.vid), tmp_item.vid == int(target_vid, 16))
             print(hex(tmp_item.pid), tmp_item.pid == int(target_pid, 16))
             # --- 1A86:7523
             if tmp_item.vid == int(target_vid, 16) and tmp_item.pid == int(
                     target_pid, 16):
                 print("-----> arduino add port {}".format(tmp_item))
                 self.serialport = tmp_item.device
                 try:
                     self.serial_port = serial.Serial(self.serialport,
                                                      self.baud,
                                                      timeout=1)
                 except Exception as e:
                     print("{} error: {}".format(self.__class__.__name__,
                                                 e))
                     self.serial_port = None
     # -----------------------------------------------
     while True:
         # ---
         if self.serial_port:
             self.read_serial_device()
             time.sleep(1)
         else:
             # ---
             # ToDo: make plug&play loop scan if new arduino plugged
             # ---
             pass
def show_ports(args):
    logger.info('Searching for available ports')
    logger.info('Available ports are:')

    ports = sorted(comports())
    avail_ports = []

    for n, (port, desc, hwid) in enumerate(ports, 1):
        logger.info('\t{}'.format(port))
        avail_ports.append(port)

    logger.debug('Finished searching for available ports')
    return avail_ports
Ejemplo n.º 29
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def check_mcu_port():
    global MCUport
    global MCUserialport

    if MCUserialport[0] != None:
        MCUserialport[0] = None
    time.sleep(2)
    for port, desc, hwid in sorted(list_ports_windows.comports()):
        #print("{}: {} [{}]".format(port, desc, hwid)+"\n")
        if MCUserialport[0] == None:
            if "STM32_MCU" in hwid:
                MCUport[0] = port
                MCUserialport[0] = serial.Serial(MCUport[0], 115200, timeout=1)
                print("\nCommunication_Link = {}\n".format(MCUserialport[0]))
                print(MCUport[0])
Ejemplo n.º 30
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def get_serial_ports():
    try:
        if os.name == 'nt':
            from serial.tools.list_ports_windows import comports
        elif os.name == 'posix':
            from serial.tools.list_ports_posix import comports
        else:
            raise ImportError("Sorry: no implementation for your"
            "platform ('%s') available" % (os.name,))
    except ImportError:
        yield "(couldn't import PySerial)", None
    else:
        yield "(disabled)", None
        for port, desc, _ in comports():
            yield '{0} ({1})'.format(port, desc.strip()), port
Ejemplo n.º 31
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def get_serial_ports():
    try:
        if os.name == 'nt':
            from serial.tools.list_ports_windows import comports
        elif os.name == 'posix':
            from serial.tools.list_ports_posix import comports
        else:
            raise ImportError("Sorry: no implementation for your"
                              "platform ('%s') available" % (os.name, ))
    except ImportError:
        yield "(couldn't import PySerial)", None
    else:
        yield "(disabled)", None
        for port, desc, _ in comports():
            yield '{0} ({1})'.format(port, desc.strip()), port
Ejemplo n.º 32
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def print_ports():
    if os.name == 'nt':  # sys.platform == 'win32':
        from serial.tools.list_ports_windows import comports
    elif os.name == 'posix':
        from serial.tools.list_ports_posix import comports
    #~ elif os.name == 'java':
    else:
        raise ImportError(
            "Sorry: no implementation for your platform ('{}') available".
            format(os.name))

    serial_ports = comports()

    for n, (port, desc, hwid) in enumerate(serial_ports, 1):
        print("PORT NAME: {} \t\t  DESCRIPTION: {} \t\t  HWID: {} ".format(
            port, desc, hwid))
Ejemplo n.º 33
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def check_usb_port():
    global UARTport
    global UARTserialport

    if UARTserialport[0] != None:
        UARTserialport[0] = None
    time.sleep(2)
    for port, desc, hwid in sorted(list_ports_windows.comports()):
        print("{}: {} [{}]".format(port, desc, hwid) + "\n")
        if UARTserialport[0] == None:
            if "CHERRY_UART" in hwid:
                UARTport[0] = port
                UARTserialport[0] = serial.Serial(UARTport[0],
                                                  115200,
                                                  timeout=1)
                print("\nCommunication_Link = {}\n".format(UARTserialport[0]))
                print(UARTport[0])
Ejemplo n.º 34
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def main():
    import argparse

    parser = argparse.ArgumentParser(description='Serial port enumeration')

    parser.add_argument('regexp',
                        nargs='?',
                        help='only show ports that match this regex')

    parser.add_argument('-v',
                        '--verbose',
                        action='store_true',
                        help='show more messages')

    parser.add_argument('-q',
                        '--quiet',
                        action='store_true',
                        help='suppress all messages')

    parser.add_argument('-n', type=int, help='only output the N-th entry')

    args = parser.parse_args()

    hits = 0
    # get iteraror w/ or w/o filter
    if args.regexp:
        if not args.quiet:
            sys.stderr.write("Filtered list with regexp: %r\n" %
                             (args.regexp, ))
        iterator = sorted(grep(args.regexp))
    else:
        iterator = sorted(comports())
    # list them
    for n, (port, desc, hwid) in enumerate(iterator, 1):
        if args.n is None or args.n == n:
            sys.stdout.write("{:20}\n".format(port))
            if args.verbose:
                sys.stdout.write("    desc: {}\n".format(desc))
                sys.stdout.write("    hwid: {}\n".format(hwid))
        hits += 1
    if not args.quiet:
        if hits:
            sys.stderr.write("{} ports found\n".format(hits))
        else:
            sys.stderr.write("no ports found\n")
Ejemplo n.º 35
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    def populate_list(self):
        """
        This function currently only works for Windows. It well use the *serial.tools.list_ports_windows.comports()*
        function to get all available serial ports. Then it will add the names to the list widget.
        """

        # clear the list
        self.listWidget_available_ports.clear()

        # search for all available serial ports and add it to a list
        self.ports = list_ports_windows.comports()

        # iterate through and add the description text to the list widget
        for p in self.ports:
            item = QtWidgets.QListWidgetItem(p.description)
            self.listWidget_available_ports.addItem(item)
        # highlight the saved port if it exists
        self.highlight_port()
Ejemplo n.º 36
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def find_port():
    logging.debug('Searching for port...')
    for port in comports():
        device = port[0]
        try:
            logging.debug('Trying %s', device)
            s = serial.Serial(device)
        except serial.SerialException:
            logging.debug('Port is busy, continuing...')
            continue
        else:
            s.close()
            logging.debug('Port is found! - %s', device)
            if isinstance(device, unicode):
                device = device.encode('utf-8')
            return device
    else:
        logging.debug('Port not found')
        return
Ejemplo n.º 37
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def comports_list():
    """Return a list of comports found from list_ports_windows and comports
    found in the window registry.

    See Also:
        list_ports_winreg.comports(), list_ports_winreg.winreg_comports(),
        list_ports_windows.comports()
    Note:
        This should include virtual comports. This method contains all
        list_ports_windows.comports() and winreg_comports() that were not found
        from list_ports_windows.
    Returns:
        comports (list): List of ListPortInfo comport details.
    """
    comports = list(list_ports_windows.comports())

    comports[len(comports):] = [
        li for li in winreg_comports() if li not in comports
    ]

    return comports
Ejemplo n.º 38
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def comports_list():
    """Return a list of comports found from list_ports_windows and comports
    found in the window registry.
    
    See Also:
        list_ports_winreg.comports(), list_ports_winreg.winreg_comports(),
        list_ports_windows.comports()

    Note:
        This should include virtual comports. This method contains all
        list_ports_windows.comports() and winreg_comports() that were not found
        from list_ports_windows.

    Returns:
        comports (list): List of ListPortInfo comport details.
    """
    comports = list(list_ports_windows.comports())

    comports[len(comports): ] = [li for li in winreg_comports()
                                 if li not in comports]

    return comports
Ejemplo n.º 39
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def main():
    import argparse

    parser = argparse.ArgumentParser(description="Serial port enumeration")

    parser.add_argument("regexp", nargs="?", help="only show ports that match this regex")

    parser.add_argument("-v", "--verbose", action="store_true", help="show more messages")

    parser.add_argument("-q", "--quiet", action="store_true", help="suppress all messages")

    parser.add_argument("-n", type=int, help="only output the N-th entry")

    args = parser.parse_args()

    hits = 0
    # get iteraror w/ or w/o filter
    if args.regexp:
        if not args.quiet:
            sys.stderr.write("Filtered list with regexp: {!r}\n".format(args.regexp))
        iterator = sorted(grep(args.regexp))
    else:
        iterator = sorted(comports())
    # list them
    for n, (port, desc, hwid) in enumerate(iterator, 1):
        if args.n is None or args.n == n:
            sys.stdout.write("{:20}\n".format(port))
            if args.verbose:
                sys.stdout.write("    desc: {}\n".format(desc))
                sys.stdout.write("    hwid: {}\n".format(hwid))
        hits += 1
    if not args.quiet:
        if hits:
            sys.stderr.write("{} ports found\n".format(hits))
        else:
            sys.stderr.write("no ports found\n")
Ejemplo n.º 40
0
def comports():
    """Generator for comports found from list ports windows and comports found
    in the windows registry.
    See Also:
        list_ports_winreg.comports_list(), list_ports_winreg.winreg_comports(),
        list_ports_windows.comports()
    Note:
        This should include virtual comports. This method contains all
        list_ports_windows.comports() and winreg_comports() that were not found
        from list_ports_windows.
    Yields:
        comport (ListPortInfo): Comport details.
    Returns:
        comports (generator): Generator of ListPortInfo comports.
    """
    existing = []
    for comport in list_ports_windows.comports():
        existing.append(comport)
        yield comport

    for li in winreg_comports():
        if li not in existing:
            existing.append(li)
            yield li
Ejemplo n.º 41
0
Archivo: link.py Proyecto: duparq/hwa
def list():
    return sorted([ i[0] for i in comports() ])
Ejemplo n.º 42
0
      if DEBUG: print "Leaving %s thread" %ME
      time.sleep(1) # Allow time to close the serial port
   except Exception as e:
      showError("Error in execution thread:", str(e) )
   finally:
      return None

# ------------------------------------------------------------------------------
# Get a list of valid com ports for this system 
if os.name == 'nt':  # sys.platform == 'win32':
    from serial.tools.list_ports_windows import comports
elif os.name == 'posix':
    from serial.tools.list_ports_posix import comports
else:
    raise ImportError("Sorry: no implementation for your platform ('{}') available".format(os.name))
ports =  comports()
for n, (port, desc, hwid) in enumerate(ports, 1):
   COM_PORTS.append(port)
   # sys.stdout.write("{:20}\n".format(port))
   # sys.stdout.write("    desc: {}\n".format(desc))
   # sys.stdout.write("    hwid: {}\n".format(hwid))

# ------------------------------------------------------------------------------   
# Check to see that we have at least one usable com port or notify and quit
if len(COM_PORTS) < 1:
   showError("Unable to identify any usable com ports"      , 
             "Please ensure that your device is connected." )
   sys.exit(15)

# ------------------------------------------------------------------------------   
# Default Values for Serial Connections