def DemoOpenDeviceBy():
if sys.platform == 'linux':
DemoTurnOffPipeThreads()
# get description and serial number of device at index 0
ftd3xx.createDeviceInfoList()
DEVICELIST = ftd3xx.getDeviceInfoList()
# open device by index
openby = 0
logging.debug("Open by index [%d]" % openby)
D3XX = ftd3xx.create(0, _ft.FT_OPEN_BY_INDEX)
if (D3XX is None):
logging.debug(
"ERROR: Please check if another D3XX application is open!")
return False
D3XX.close()
D3XX = 0
# open device by description
if sys.platform == 'linux':
DemoTurnOffPipeThreads()
ftd3xx.createDeviceInfoList()
DEVICELIST = ftd3xx.getDeviceInfoList()
openby = DEVICELIST[0].Description
logging.debug("Open by description [%s]" % openby.decode('utf-8'))
D3XX = ftd3xx.create(openby, _ft.FT_OPEN_BY_DESCRIPTION)
if D3XX is None:
logging.debug(
"ERROR: Please check if another D3XX application is open!")
return False
D3XX.close()
D3XX = 0
# open device by serial number
if sys.platform == 'linux':
DemoTurnOffPipeThreads()
ftd3xx.createDeviceInfoList()
DEVICELIST = ftd3xx.getDeviceInfoList()
openby = DEVICELIST[0].SerialNumber
logging.debug("Open by serial number [%s]" % openby.decode('utf-8'))
D3XX = ftd3xx.create(openby, _ft.FT_OPEN_BY_SERIAL_NUMBER)
if D3XX is None:
logging.debug(
"ERROR: Please check if another D3XX application is open!")
return False
D3XX.close()
D3XX = 0
return True
def FT_init() -> ftd3xx.FTD3XX:
numDevices = ftd3xx.createDeviceInfoList()
if numDevices == 0:
print("no dev")
else:
devList = ftd3xx.getDeviceInfoList()
devIndex = 0
for i in range(numDevices):
if devList[i].ID == 0x403601f:
devIndex = i
else:
print("not find our dev")
sys.exit()
D3XX = ftd3xx.create(devIndex, _ft.FT_OPEN_BY_INDEX)
devDesc = D3XX.getDeviceDescriptor()
bUSB3 = devDesc.bcdUSB >= 0x300
if (bUSB3 == False):
print(
"Warning: Device is connected using USB2 cable or through USB2 host controller!"
)
cfg = D3XX.getChipConfiguration()
channelConfig = [
"4 Channels", "2 Channels", "1 Channel", "1 OUT Pipe", "1 IN Pipe"
]
print("\tChannelConfig = %#04x (%s)" %
(cfg.ChannelConfig, channelConfig[cfg.ChannelConfig]))
return D3XX
def SetChipConfiguration(cfg=None, bDisplay=False):
if sys.platform == 'linux':
TurnOffPipeThreads()
ftd3xx.createDeviceInfoList()
ftd3xx.getDeviceInfoList()
D3XX = ftd3xx.create(0, _ft.FT_OPEN_BY_INDEX)
if D3XX is None:
logging.debug(
"ERROR: Please check if another D3XX application is open!")
return False
if bDisplay == True and cfg != None:
DisplayChipConfiguration(cfg)
D3XX.setChipConfiguration(cfg)
D3XX.close()
D3XX = 0
WaitForDeviceReenumeration()
return True
def GetChipConfiguration(bDisplay=True):
if sys.platform == 'linux':
TurnOffPipeThreads()
ftd3xx.createDeviceInfoList()
ftd3xx.getDeviceInfoList()
D3XX = ftd3xx.create(0, _ft.FT_OPEN_BY_INDEX)
if D3XX is None:
logging.debug(
"ERROR: Please check if another D3XX application is open!")
return None
# get and display current chip configuration
cfg = D3XX.getChipConfiguration()
if bDisplay == True and cfg != None:
DisplayChipConfiguration(cfg)
D3XX.close()
D3XX = 0
return cfg
def __init__(self):
try:
import ftd3xx
import sys
if sys.platform == 'win32':
import ftd3xx._ftd3xx_win32 as _ft
elif sys.platform == 'linux2':
import ftd3xx._ftd3xx_linux as _ft
except:
raise RuntimeError("ERROR: FTD3XX from FTDIchip.com is required")
raise RuntimeError(
"ERROR: Unable to import serial\n" +
"PySerial from sourceforge.net is required for Serial Port access."
)
try:
# check connected devices
numDevices = ftd3xx.createDeviceInfoList()
if (numDevices == 0):
print("ERROR: No FTD3XX device is detected.")
return False
devList = ftd3xx.getDeviceInfoList()
# Just open the first device (index 0)
devIndex = 0
self.D3XX = ftd3xx.create(devIndex, _ft.FT_OPEN_BY_INDEX)
if (self.D3XX is None):
print(
"ERROR: Please check if another D3XX application is open!")
return False
# check if USB3 or USB2
devDesc = self.D3XX.getDeviceDescriptor()
bUSB3 = devDesc.bcdUSB >= 0x300
# validate chip configuration
cfg = self.D3XX.getChipConfiguration()
# process loopback for all channels
except:
raise RuntimeError("ERROR: Unable to open USB Port ")
return
def DemoEnumerateDevices():
numDevices = ftd3xx.createDeviceInfoList()
if (numDevices == 0):
return False
# list devices by listDevices(description)
logging.debug("List devices by listDevices(description)")
DEVICES = ftd3xx.listDevices(_ft.FT_OPEN_BY_DESCRIPTION)
if (DEVICES is None):
return False
logging.debug("Device count = %d" % len(DEVICES))
for i in range(len(DEVICES)):
logging.debug("DEVICE[%d] = %s" % (i, DEVICES[i].decode('utf-8')))
DEVICES = 0
logging.debug("")
# list devices by listDevices(serial number)
logging.debug("List devices by listDevices(serial number)")
DEVICES = ftd3xx.listDevices(_ft.FT_OPEN_BY_SERIAL_NUMBER)
if (DEVICES is None):
return False
logging.debug("Device count = %d" % len(DEVICES))
for i in range(len(DEVICES)):
logging.debug("DEVICE[%d] = %s" % (i, DEVICES[i].decode('utf-8')))
DEVICES = 0
logging.debug("")
# list devices by getDeviceInfoList()
logging.debug("List devices by getDeviceInfoList()")
logging.debug("Device count = %d" % numDevices)
DEVICELIST = ftd3xx.getDeviceInfoList()
for i in range(numDevices):
logging.debug("DEVICE[%d]" % i)
logging.debug("\tFlags = %d" % DEVICELIST[i].Flags)
logging.debug("\tType = %d" % DEVICELIST[i].Type)
logging.debug("\tID = %#010X" % DEVICELIST[i].ID)
logging.debug("\tLocId = %d" % DEVICELIST[i].LocId)
logging.debug("\tSerialNumber = %s" %
DEVICELIST[i].SerialNumber.decode('utf-8'))
logging.debug("\tDescription = %s" %
DEVICELIST[i].Description.decode('utf-8'))
DEVICELIST = 0
logging.debug("")
# list devices by getDeviceInfoDetail()
logging.debug("List devices by getDeviceInfoDetail()")
logging.debug("Device count = %d" % numDevices)
for i in range(numDevices):
DEVICE = ftd3xx.getDeviceInfoDetail(i)
logging.debug("DEVICE[%d]" % i)
logging.debug("\tFlags = %d" % DEVICE['Flags'])
logging.debug("\tType = %d" % DEVICE['Type'])
logging.debug("\tID = %#010X" % DEVICE['ID'])
logging.debug("\tLocId = %d" % DEVICE['LocId'])
logging.debug("\tSerialNumber = %s" %
DEVICE['SerialNumber'].decode('utf-8'))
logging.debug("\tDescription = %s" %
DEVICE['Description'].decode('utf-8'))
DEVICE = 0
logging.debug("")
return True
def main(channelsToTest=[0],
transferSize=0,
transferIteration=16,
bWrite=False,
bRead=True,
bStressTest=False):
logging.debug(
"INPUT: CHANNELS=%s, SIZE=%d, ITERATION=%d, WRITE=%s, READ=%s, STRESS=%s"
% (channelsToTest, transferSize, transferIteration, bWrite, bRead,
bStressTest))
logging.debug("")
logging.debug("")
# raise exception on error
# ftd3xx.raiseExceptionOnError(True)
if sys.platform == 'linux':
DemoTurnOffPipeThreads()
# check connected devices
numDevices = ftd3xx.createDeviceInfoList()
if (numDevices == 0):
logging.debug(
"ERROR: Please check environment setup! No device is detected.")
return False
logging.debug("Detected %d device(s) connected." % numDevices)
devList = ftd3xx.getDeviceInfoList()
DisplayDeviceList(numDevices, devList)
devIndex = SelectDevice(numDevices)
# open the first device (index 0)
D3XX = ftd3xx.create(devIndex, _ft.FT_OPEN_BY_INDEX)
if (D3XX is None):
logging.debug(
"ERROR: Please check if another D3XX application is open!")
return False
# get the version numbers of driver and firmware
DisplayVersions(D3XX)
if (sys.platform == 'win32' and D3XX.getDriverVersion() < 0x01020006):
logging.debug(
"ERROR: Old kernel driver version. Please update driver from Windows Update or FTDI website!"
)
D3XX.close()
return False
# check if USB3 or USB2
devDesc = D3XX.getDeviceDescriptor()
bUSB3 = devDesc.bcdUSB >= 0x300
if (bUSB3 == False and transferSize == 16 * 1024 * 1024):
transferSize = 4 * 1024 * 1024
if (bUSB3 == False):
logging.debug(
"Warning: Device is connected using USB2 cable or through USB2 host controller!"
)
# validate chip configuration
cfg = D3XX.getChipConfiguration()
DisplayChipConfiguration(cfg)
numChannels = [4, 2, 1, 0, 0]
numChannels = numChannels[cfg.ChannelConfig]
if (numChannels == 0):
numChannels = 1
if (cfg.ChannelConfig == _ft.FT_CONFIGURATION_CHANNEL_CONFIG_1_OUTPIPE
):
bWrite = True
bRead = False
elif (cfg.ChannelConfig == _ft.FT_CONFIGURATION_CHANNEL_CONFIG_1_INPIPE
):
bWrite = False
bRead = True
if (cfg.OptionalFeatureSupport & _ft.
FT_CONFIGURATION_OPTIONAL_FEATURE_ENABLENOTIFICATIONMESSAGE_INCHALL
):
logging.debug(
"invalid chip configuration: notification callback is set")
D3XX.close()
return False
# delete invalid channels
for channel in range(len(channelsToTest) - 1, -1, -1):
if (channelsToTest[channel] >= numChannels):
del channelsToTest[channel]
if (len(channelsToTest) == 0):
D3XX.close()
return
# process loopback for all channels
error = ProcessStreaming(D3XX, channelsToTest, transferSize,
transferIteration, bWrite, bRead, bStressTest)
if error:
DisplayTroubleshootingGuide("STREAMER", devList, devIndex, cfg)
D3XX.close()
D3XX = 0
return True