def init(self, scl, sda, frequency):
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):
if end is None:
end = len(buffer)
buffer = memoryview(buffer)[start:end]
- stop = True # remove for efficiency later
+ stop = True # remove for efficiency later
return self._i2c.readfrom_into(address, buffer, stop)
def writeto(self, address, buffer, start=0, end=None, stop=True, *a, **k):
buffer = memoryview(buffer)[start:end]
return self._i2c.writeto(address, buffer, stop)
+
# TODO untested, as actually busio.SPI was on tasklist https://github.com/adafruit/Adafruit_Micropython_Blinka/issues/2 :(
class SPI(Lockable):
def __init__(self, clock, MOSI=None, MISO=None):
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
- self._spi.init(baudrate=baudrate, polarity=polarity, phase=phase, bits = bits, firstbit = SPI.MSB, sck = Pin(self._pins[0]), mosi=Pin(self._pins[1]), miso=Pin(self._pins[2]))
+ self._spi.init(
+ baudrate=baudrate,
+ polarity=polarity,
+ phase=phase,
+ bits=bits,
+ firstbit=SPI.MSB,
+ sck=Pin(self._pins[0]),
+ mosi=Pin(self._pins[1]),
+ miso=Pin(self._pins[2]))
else:
raise RuntimeError("First call try_lock()")