def test_list_devices(self):
"""List FTDI devices."""
vid = 0x403
vids = {'ftdi': vid}
pids = {
vid: {
'230x': 0x6015,
'232r': 0x6001,
'232h': 0x6014,
'2232h': 0x6010,
'4232h': 0x6011,
}
}
devs = UsbTools.list_devices('ftdi:///?', vids, pids, vid)
self.assertEqual(len(devs), 6)
ifmap = {0x6001: 1, 0x6010: 2, 0x6011: 4, 0x6014: 1, 0x6015: 1}
for dev, desc in devs:
strings = UsbTools.build_dev_strings('ftdi', vids, pids,
[(dev, desc)])
self.assertEqual(len(strings), ifmap[dev.pid])
for url, _ in strings:
parts, _ = UsbTools.parse_url(url, 'ftdi', vids, pids, vid)
self.assertEqual(parts.vid, dev.vid)
self.assertEqual(parts.pid, dev.pid)
self.assertEqual(parts.bus, dev.bus)
self.assertEqual(parts.address, dev.address)
self.assertEqual(parts.sn, dev.sn)
devs = UsbTools.list_devices('ftdi://:232h/?', vids, pids, vid)
self.assertEqual(len(devs), 2)
devs = UsbTools.list_devices('ftdi://:2232h/?', vids, pids, vid)
self.assertEqual(len(devs), 1)
def get_identifiers(cls, url):
"""Extract the identifiers of a FTDI device from URL, if any
:param url: input URL to parse
:return: (vendor, product, index, sernum, interface)
"""
ids = UsbTools.parse_url(url, cls, cls.SCHEME, cls.VENDOR_IDS,
cls.PRODUCT_IDS, cls.DEFAULT_VENDOR)
return ids
def open(self, devclass, scheme, vdict, pdict, default_vendor):
"""Open the initialized serial port"""
from serial import SerialException
if self._port is None:
raise SerialException("Port must be configured before use.")
try:
vendor, product, interface, sernum, ix = UsbTools.parse_url(
self.portstr, devclass, scheme, vdict, pdict, default_vendor)
except UsbToolsError, e:
raise SerialException(str(e))
def open(self, devclass, scheme, vdict, pdict, default_vendor):
"""Open the initialized serial port"""
from serial import SerialException
if self._port is None:
raise SerialException("Port must be configured before use.")
try:
vendor, product, interface, sernum, ix = UsbTools.parse_url(
self.portstr, devclass, scheme, vdict, pdict, default_vendor)
except UsbToolsError, e:
raise SerialException(str(e))
def open(self, devclass, scheme, vdict, pdict, default_vendor):
"""Open the initialized serial port"""
from serial import SerialException
if self._port is None:
raise SerialException("Port must be configured before use.")
try:
vendor, product, interface, sernum, ix = UsbTools.parse_url(
self.portstr, devclass, scheme, vdict, pdict, default_vendor)
except UsbToolsError as e:
raise SerialException(str(e))
try:
self.udev = devclass()
self.udev.open(vendor, product, interface, ix, sernum)
self.flushOutput()
self.flushInput()
except IOError:
raise SerialException('Unable to open USB port %s' % self.portstr)
self._set_open_state(True)
self._reconfigurePort()
self._product = product
