def test_list_devices(self):
"""List FTDI devices."""
devs = Ftdi.list_devices('ftdi:///?')
self.assertEqual(len(devs), 6)
devs = Ftdi.list_devices('ftdi://:232h/?')
self.assertEqual(len(devs), 2)
devs = Ftdi.list_devices('ftdi://:2232h/?')
self.assertEqual(len(devs), 1)
devs = Ftdi.list_devices('ftdi://:4232h/?')
self.assertEqual(len(devs), 1)
out = StringIO()
Ftdi.show_devices('ftdi:///?', out)
lines = [l.strip() for l in out.getvalue().split('\n')]
lines.pop(0) # "Available interfaces"
while lines and not lines[-1]:
lines.pop()
self.assertEqual(len(lines), 10)
portmap = defaultdict(int)
reference = {'232': 1, '2232': 2, '4232': 4, '232h': 2, '230x': 1}
for line in lines:
url = line.split(' ')[0].strip()
parts = urlsplit(url)
self.assertEqual(parts.scheme, 'ftdi')
self.assertRegex(parts.path, r'^/[1-4]$')
product = parts.netloc.split(':')[1]
portmap[product] += 1
self.assertEqual(portmap, reference)
def query_devices(ignored_devices):
if ignored_devices is not None and not hasattr(ignored_devices, '__iter__'):
raise ValueError("Invalid ignored devices variable")
ignored_ids = list(map(lambda d: d.device_id, ignored_devices))
def map_url(dev):
usb: UsbDeviceDescriptor = dev[0]
vid = usb.vid
pid = usb.pid
if vid == 0x0403:
vid = "ftdi"
if pid == 0x6001:
pid = "232"
interface = dev[1]
return f"ftdi://{vid}:{pid}:{usb.sn}/{interface}"
all_devices = list(map(map_url, Ftdi.list_devices()))
def not_ignored(dev):
return dev not in ignored_ids
if ignored_devices is None:
to_query = all_devices
else:
to_query = list(filter(not_ignored, all_devices))
discovered_boards = []
for t in to_query:
try:
qb = ReaderBoard(deviceid=t)
discovered_boards.append(qb.__repr__())
qb.shutdown()
except:
pass
return discovered_boards
def test_descriptor_update(self):
"""Check EEPROM content overrides YaML configuration."""
# this test is more about testing the virtual FTDI infrastructure
# than a pure PyFtdi test
devs = Ftdi.list_devices('ftdi:///?')
self.assertEqual(len(devs), 1)
desc = devs[0][0]
# these values are not the ones defined in YaML, but stored in EEPROM
self.assertEqual(desc.sn, 'FT3KMGTL')
self.assertEqual(desc.description, 'LC231X')
def scan_devices(sn):
ftdi = Ftdi()
devices = [d[0] for d in ftdi.list_devices()]
# If the caller gave us a serial or a regex, keep only matching devices
if sn:
devices = [d for d in devices if re.search(sn, d.sn)]
# Sorty devices by their serials so that the presentation order does not
# depend on the order in which the devices were connected or reset.
devices = sorted(devices, key=lambda d: d.sn)
# Construct the FtdiEeprom object for each matching device
devices = [load_eeprom(d.vid, d.pid, d.sn) for d in devices]
return devices
def ftdiPorts(cls):
# FIXME: for some reason, I can't get the Sutter URls with the
# wildcard and I must handcode the following. It appears the wildcard
# ftdi:///? does not work for some reason.
vidpids = [(4930, 1)] # Must add custom pairs in the future.
urls = []
for vid, pid in vidpids:
pyftdidevices = Ftdi.list_devices(url="ftdi://{0}:{1}/1".format(vid, pid))
for device, address in pyftdidevices:
thePort = ListPortInfo(device="")
thePort.vid = device.vid
thePort.pid = device.pid
thePort.serial_number = device.sn
thePort.device = "ftdi://{0}:{1}:{2}/{3}".format(device.vid, device.pid, device.sn, address)
urls.append(thePort)
return urls
def get_ftdi_devices(rtype=0):
try:
devs = Ftdi.list_devices()
except:
devs = []
if rtype==0:
return len(devs)
elif rtype==1:
return devs
elif rtype==2:
try:
res = UsbTools.build_dev_strings(Ftdi.SCHEME,Ftdi.VENDOR_IDS,Ftdi.PRODUCT_IDS,devs)
except:
res = []
# res.append( ('ftdi://ftdi:232h:3:9/1', '(Single RS232-HS)') ) # debug
# res.append( ('ftdi://ftdi:232h:3:9/2', '(Single RS232-HS)') ) # debug
res = sorted(res)
return res
