def __init__(self, spi_id=None):
# pylint: disable=import-outside-toplevel
from pyftdi.spi import SpiController
# pylint: enable=import-outside-toplevel
self._spi = SpiController(cs_count=1)
if spi_id is None:
self._spi.configure(get_ft232h_url())
else:
self._spi.configure(get_ft2232h_url(spi_id + 1))
self._port = self._spi.get_port(0)
self._port.set_frequency(100000)
self._port._cpol = 0
self._port._cpha = 0
# Change GPIO controller to SPI
Pin.mpsse_gpio = self._spi.get_gpio()
def __init__(self, i2c_id=None, mode=MASTER, baudrate=None, frequency=400000):
if mode != self.MASTER:
raise NotImplementedError("Only I2C Master supported!")
_mode = self.MASTER
# change GPIO controller to I2C
# pylint: disable=import-outside-toplevel
from pyftdi.i2c import I2cController
# pylint: enable=import-outside-toplevel
self._i2c = I2cController()
if i2c_id is None:
self._i2c.configure(get_ft232h_url(), frequency=frequency)
else:
self._i2c.configure(get_ft2232h_url(i2c_id), frequency=frequency)
Pin.mpsse_gpio = self._i2c.get_gpio()
def __init__(self, pin_id=None, interface_id=None):
# setup GPIO controller if not done yet
# use one provided by I2C as default
if not Pin.mpsse_gpio:
# pylint: disable=import-outside-toplevel
from pyftdi.i2c import I2cController
# pylint: enable=import-outside-toplevel
i2c = I2cController()
if interface_id is None:
i2c.configure(get_ft232h_url())
else:
i2c.configure(get_ft2232h_url(interface_id))
Pin.mpsse_gpio = i2c.get_gpio()
# check if pin is valid
if pin_id:
if Pin.mpsse_gpio.all_pins & 1 << pin_id == 0:
raise ValueError("Can not use pin {} as GPIO.".format(pin_id))
# ID is just bit position
self.id = pin_id