X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka.git/blobdiff_plain/2ed6f5d2c74510c8be535c2218ba74ec05a1920d..09422b62c65b439c46f0f15178f541ea30e88423:/src/busio.py?ds=inline diff --git a/src/busio.py b/src/busio.py index 6c5e76f..915547a 100755 --- a/src/busio.py +++ b/src/busio.py @@ -8,6 +8,7 @@ See `CircuitPython:busio` in CircuitPython for more details. """ from adafruit_blinka import Enum, Lockable, agnostic +from adafruit_blinka.agnostic import board as boardId class I2C(Lockable): def __init__(self, scl, sda, frequency=400000): @@ -15,11 +16,14 @@ class I2C(Lockable): def init(self, scl, sda, frequency): self.deinit() - from machine import I2C as _I2C + if boardId == "raspi_3" or boardId == "raspi_2": + from adafruit_blinka.microcontroller.raspi_23.i2c import I2C as _I2C + else: + from machine import I2C as _I2C from microcontroller.pin import i2cPorts for portId, portScl, portSda in i2cPorts: if scl == portScl and sda == portSda: - self._i2c = I2C(portId, mode=_I2C.MASTER, baudrate=frequency) + self._i2c = _I2C(portId, mode=_I2C.MASTER, baudrate=frequency) break else: raise NotImplementedError("No Hardware I2C on (scl,sda)={}\nValid UART ports".format( @@ -59,27 +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)