def init(self, scl, sda, frequency):
from machine import Pin
from machine import I2C as _I2C
+
self.deinit()
- id = -1 # force bitbanging implementation - in future introspect platform if SDA/SCL matches hardware I2C
+ id = (
+ -1
+ ) # force bitbanging implementation - in future introspect platform if SDA/SCL matches hardware I2C
self._i2c = _I2C(id, Pin(scl.id), Pin(sda.id), freq=frequency)
def deinit(self):
class SPI(Lockable):
def __init__(self, clock, MOSI=None, MISO=None):
from machine import SPI
+
self._spi = SPI(-1)
self._pins = (clock, MOSI, MISO)
def configure(self, baudrate=100000, polarity=0, phase=0, bits=8):
- from machine import SPI,Pin
+ from machine import SPI, Pin
+
if self._locked:
# TODO verify if _spi obj 'caches' sck, mosi, miso to avoid storing in _attributeIds (duplicated in busio)
# i.e. #init ignores MOSI=None rather than unsetting
firstbit=SPI.MSB,
sck=Pin(self._pins[0].id),
mosi=Pin(self._pins[1].id),
- miso=Pin(self._pins[2].id))
+ miso=Pin(self._pins[2].id),
+ )
else:
raise RuntimeError("First call try_lock()")