def enumerate_device_serials(vid=FT232H_VID, pid=FT232H_PID):
    """Return a list of all FT232H device serial numbers connected to the
    machine.  You can use these serial numbers to open a specific FT232H device
    by passing it to the FT232H initializer's serial parameter.
    """
    try:
        # Create a libftdi context.
        ctx = None
        ctx = ftdi.new()
        # Enumerate FTDI devices.
        device_list = None
        count, device_list = ftdi.usb_find_all(ctx, vid, pid)
        if count < 0:
            raise RuntimeError('ftdi_usb_find_all returned error {0}: {1}'.format(count, ftdi.get_error_string(self._ctx)))
        # Walk through list of devices and assemble list of serial numbers.
        devices = []
        while device_list is not None:
            # Get USB device strings and add serial to list of devices.
            ret, manufacturer, description, serial = ftdi.usb_get_strings(ctx, device_list.dev, 256, 256, 256)
            if serial is not None:
                devices.append(serial)
            device_list = device_list.next
        return devices
    finally:
        # Make sure to clean up list and context when done.
        if device_list is not None:
            ftdi.list_free(device_list)
        if ctx is not None:
            ftdi.free(ctx)
def enumerate_device_serials(vid=FT232H_VID, pid=FT232H_PID):
    """Return a list of all FT232H device serial numbers connected to the
    machine.  You can use these serial numbers to open a specific FT232H device
    by passing it to the FT232H initializer's serial parameter.
    """
    try:
        # Create a libftdi context.
        ctx = None
        ctx = ftdi.new()
        # Enumerate FTDI devices.
        device_list = None
        count, device_list = ftdi.usb_find_all(ctx, vid, pid)
        if count < 0:
            raise RuntimeError('ftdi_usb_find_all returned error {0}: {1}'.format(count, ftdi.get_error_string(self._ctx)))
        # Walk through list of devices and assemble list of serial numbers.
        devices = []
        while device_list is not None:
            # Get USB device strings and add serial to list of devices.
            ret, manufacturer, description, serial = ftdi.usb_get_strings(ctx, device_list.dev, 256, 256, 256)
            if serial is not None:
                devices.append(serial)
            device_list = device_list.next
        return devices
    finally:
        # Make sure to clean up list and context when done.
        if device_list is not None:
            ftdi.list_free(device_list)
        if ctx is not None:
            ftdi.free(ctx)
def enumerate_device_serials ( vid = FT232H_VID , pid = FT232H_PID ) : try : # Create a libftdi context. ctx = None ctx = ftdi . new ( ) # Enumerate FTDI devices. device_list = None count , device_list = ftdi . usb_find_all ( ctx , vid , pid ) if count < 0 : raise RuntimeError ( 'ftdi_usb_find_all returned error {0}: {1}' . format ( count , ftdi . get_error_string ( self . _ctx ) ) ) # Walk through list of devices and assemble list of serial numbers. devices = [ ] while device_list is not None : # Get USB device strings and add serial to list of devices. ret , manufacturer , description , serial = ftdi . usb_get_strings ( ctx , device_list . dev , 256 , 256 , 256 ) if serial is not None : devices . append ( serial ) device_list = device_list . next return devices finally : # Make sure to clean up list and context when done. if device_list is not None : ftdi . list_free ( device_list ) if ctx is not None : ftdi . free ( ctx )
Return a list of all FT232H device serial numbers connected to the
    machine.  You can use these serial numbers to open a specific FT232H device
    by passing it to the FT232H initializer's serial parameter.
Return a list of all FT232H device serial numbers connected to the machine . You can use these serial numbers to open a specific FT232H device by passing it to the FT232H initializer s serial parameter .