def __init__(self, url):
try:
self.ftdi = Ftdi.create_from_url(url)
except UsbToolsError:
raise Error('no device found for URL %s' % url)
self.i2c = I2cController()
self.i2c.set_retry_count(1)
self.i2c.configure(url)
self.gpio = Device.GpioController(self.ftdi)
port = self.i2c.get_port(0x74)
self.buttons = []
self.rails = []
self.power = Device.I2cButton(port, "power", 0x7, 0x3, 4)
self.buttons.append(self.power)
self.reset = Device.I2cButton(port, "reset", 0x6, 0x2, 3)
self.buttons.append(self.reset)
self.recovery = Device.I2cButton(port, "recovery", 0x7, 0x3, 3)
self.buttons.append(self.recovery)
self.force = Device.GpioButton(self.gpio, 6, "force-off")
self.buttons.append(self.force)
self.eeprom = Device.Eeprom(self.ftdi)
self.core = Device.PowerRail(port, "core", 0x7, 0x1, 6)
self.rails.append(self.core)
self.cpu = Device.PowerRail(port, "cpu", 0x7, 0x1, 7)
self.rails.append(self.cpu)
def createdevpinout(self,ftdidevicename,devtype="",devorder=-1):
global PINOUT
startpoint = len(Settings.Pinout)
try:
fi = Ftdi()
fi = fi.create_from_url(ftdidevicename)
gpionum = fi.port_width
lismpsse = fi.has_mpsse
lportindex = fi.port_index
fi.close()
except Exception as e:
gpionum = 0
if gpionum>0:
for g in range(0,gpionum):
pname = get_ftdi_pinnames(g,lportindex,lismpsse)
if devorder>-1:
try:
pname[2] = pname[2].replace("SPI-","SPI"+str(devorder)+"-")
pname[3] = pname[3].replace("I2C-","I2C"+str(devorder)+"-")
except:
pass
pindet = {"ID": int(startpoint+g),
"BCM":int(startpoint+g),
"realpin":int(g),
"name":pname,
"canchange":1,
"altfunc": 0,
"startupstate":-1,
"actualstate":-1,
"ftdevice":ftdidevicename,
"ftdevtype":devtype
}
Settings.Pinout.append(pindet)
pindet = None
def open(self):
"""Open the initialized serial port"""
if self.port is None:
raise SerialException("Port must be configured before use.")
try:
device = Ftdi.create_from_url(self.port)
except (UsbToolsError, IOError) as ex:
raise SerialException('Unable to open USB port %s: %s' %
(self.portstr, str(ex)))
self.udev = device
self._set_open_state(True)
self._reconfigure_port()
def open(self):
"""Open the initialized serial port"""
if self.port is None:
raise SerialException("Port must be configured before use.")
try:
device = Ftdi.create_from_url(self.port)
except (UsbToolsError, IOError) as ex:
raise SerialException('Unable to open USB port %s: %s' %
(self.portstr, str(ex)))
self.udev = device
self._set_open_state(True)
self._reconfigure_port()
# print("Sending byte " + str(j))
f1.write_data(bytes([byte1]))
dout = f1.read_data_bytes(1, attempt=10000)
# print("data sent = " + str(int(byte1)) + ". Recieved back " + str(dout))
# print()
j += 1
i += 1
strVariable = StringVar(top)
L1 = Label(top, text="Serial Terminal")
L1.grid(row=0, column=0)
E1 = Entry(top, textvariable=strVariable, bd=5)
E1.grid(row=0, column=1)
MyButton1 = Button(top, text="Submit", width=10, command=callback)
MyButton1.grid(row=1, column=1)
fileButton = Button(top,
text="Select program",
width=10,
command=fileButtonCallback)
fileButton.grid(row=2, column=1)
clearButton = Button(top, text="Clear", width=10, command=clearCallback)
clearButton.grid(row=3, column=1)
f1 = Ftdi.create_from_url('ftdi:///1')
f1.set_baudrate(115200)
data1 = f1.modem_status()
print(data1)
top.mainloop()
start_time = time.time()
while (not bool(bb) and (time.time() - start_time) < timeout_sec):
bb = motor_stageXY.read(90)
You also have to use "write_data" and "read_data" instead of 'write' and 'read'
It's better also to use time.sleep(0.1) between commands
'''
timeout_sec = 2
from pyftdi.ftdi import Ftdi
# PID seems to be FAF0 in device manager
Ftdi.add_custom_product(0x403, 0xfaf0)
try:
motor_stageXY = Ftdi.create_from_url('ftdi://0x403:0xfaf0/1')
motor_stageXY.open_from_url(url='ftdi://0x403:0xfaf0/1')
motor_stageXY.set_baudrate(115200)
motor_stageXY.set_line_property(8, 1, 'N',
break_=0) # 'N' = parity_none
time.sleep(50e-3) # pre-purge
motor_stageXY.purge_buffers() # purge RX and TX buffers
time.sleep(50e-3) # post-purge
motor_stageXY._reset_device(
) # private module, unlock it to public if no access
motor_stageXY.set_flowctrl('hw') # 'hw' means RTS/CTS UART lines
# f1.set_rts(state) # not sure for this one, the doc does not specify the 'state'
except Exception as e:
