X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka.git/blobdiff_plain/81a5f9d72d1b3b5afb72cf460a9464e779c6144b..8bc681c3c82463095455e73e690156bf3a323821:/src/busio.py diff --git a/src/busio.py b/src/busio.py index 3d786ac..915547a 100755 --- a/src/busio.py +++ b/src/busio.py @@ -63,27 +63,38 @@ class I2C(Lockable): class SPI(Lockable): def __init__(self, clock, MOSI=None, MISO=None): + self.deinit() + if boardId == "raspi_3" or boardId == "raspi_2": + from adafruit_blinka.microcontroller.raspi_23.spi import SPI as _SPI + else: + from machine import SPI as _SPI from microcontroller.pin import spiPorts for portId, portSck, portMosi, portMiso in spiPorts: if clock == portSck and MOSI == portMosi and MISO == portMiso: - self._spi = SPI(portId) + self._spi = _SPI(portId) self._pins = (portSck, portMosi, portMiso) break else: raise NotImplementedError( - "No Hardware SPI on (clock, MOSI, MISO)={}\nValid SPI ports:{}". + "No Hardware SPI on (SCLK, MOSI, MISO)={}\nValid SPI ports:{}". format((clock, MOSI, MISO), spiPorts)) def configure(self, baudrate=100000, polarity=0, phase=0, bits=8): - if self._locked: + if boardId == "raspi_3" or boardId == "raspi_2": + from adafruit_blinka.microcontroller.raspi_23.spi import SPI as _SPI + from adafruit_blinka.microcontroller.raspi_23.pin import Pin + else: + from machine import SPI as _SPI from machine import Pin + + if self._locked: # TODO check if #init ignores MOSI=None rather than unsetting, to save _pinIds attribute self._spi.init( baudrate=baudrate, polarity=polarity, phase=phase, bits=bits, - firstbit=SPI.MSB, + firstbit=_SPI.MSB, sck=Pin(self._pins[0].id), mosi=Pin(self._pins[1].id), miso=Pin(self._pins[2].id)