X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/18bc57adc610625742d7be9bc3422d02615d6d4f..7436f81f8ad18a3d9f95d263aba83663185e981b:/src/busio.py diff --git a/src/busio.py b/src/busio.py index 1e636a0..a119574 100755 --- a/src/busio.py +++ b/src/busio.py @@ -7,12 +7,15 @@ See `CircuitPython:busio` in CircuitPython for more details. * Author(s): cefn """ -import threading +try: + import threading +except ImportError: + threading = None -from adafruit_blinka import Enum, Lockable, agnostic -from adafruit_blinka.agnostic import board_id, detector import adafruit_platformdetect.constants.boards as ap_board import adafruit_platformdetect.constants.chips as ap_chip +from adafruit_blinka import Enum, Lockable, agnostic +from adafruit_blinka.agnostic import board_id, detector # pylint: disable=import-outside-toplevel,too-many-branches,too-many-statements # pylint: disable=too-many-arguments,too-many-function-args @@ -24,7 +27,7 @@ class I2C(Lockable): for both MicroPython and Linux. """ - def __init__(self, scl, sda, frequency=400000): + def __init__(self, scl, sda, frequency=100000): self.init(scl, sda, frequency) def init(self, scl, sda, frequency): @@ -50,6 +53,11 @@ class I2C(Lockable): self._i2c = _I2C(frequency=frequency) return + if detector.board.pico_u2if: + from adafruit_blinka.microcontroller.pico_u2if.i2c import I2C as _I2C + + self._i2c = _I2C(scl, sda, frequency=frequency) + return if detector.board.any_embedded_linux: from adafruit_blinka.microcontroller.generic_linux.i2c import I2C as _I2C else: @@ -69,8 +77,8 @@ class I2C(Lockable): (scl, sda), i2cPorts ) ) - - self._lock = threading.RLock() + if threading is not None: + self._lock = threading.RLock() def deinit(self): """Deinitialization""" @@ -80,11 +88,13 @@ class I2C(Lockable): pass def __enter__(self): - self._lock.acquire() + if threading is not None: + self._lock.acquire() return self def __exit__(self, exc_type, exc_value, traceback): - self._lock.release() + if threading is not None: + self._lock.release() self.deinit() def scan(self): @@ -122,7 +132,7 @@ class I2C(Lockable): in_end=None, stop=False ): - """"Write to a device at specified address from a buffer then read + """ "Write to a device at specified address from a buffer then read from a device at specified address into a buffer """ return self._i2c.writeto_then_readfrom( @@ -166,6 +176,12 @@ class SPI(Lockable): self._spi = _SPI() self._pins = (SCK, MOSI, MISO) return + if detector.board.pico_u2if: + from adafruit_blinka.microcontroller.pico_u2if.spi import SPI as _SPI + + self._spi = _SPI(clock) # this is really all that's needed + self._pins = (clock, clock, clock) # will determine MOSI/MISO from clock + return if detector.board.any_embedded_linux: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI else: @@ -193,10 +209,21 @@ class SPI(Lockable): if detector.board.any_raspberry_pi or detector.board.any_raspberry_pi_40_pin: from adafruit_blinka.microcontroller.bcm283x.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI + elif detector.board.BEAGLEBONE_AI: + from adafruit_blinka.microcontroller.dra74x.pin import Pin + from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif detector.board.any_beaglebone: from adafruit_blinka.microcontroller.am335x.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - elif detector.board.any_orange_pi and detector.chip.id == ap_chip.SUN8I: + elif detector.board.any_orange_pi: + if detector.chip.id == ap_chip.SUN8I: + from adafruit_blinka.microcontroller.allwinner.h3.pin import Pin + elif detector.chip.id == ap_chip.H5: + from adafruit_blinka.microcontroller.allwinner.h5.pin import Pin + elif detector.chip.id == ap_chip.H616: + from adafruit_blinka.microcontroller.allwinner.h616.pin import Pin + from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI + elif detector.board.any_nanopi and detector.chip.id == ap_chip.SUN8I: from adafruit_blinka.microcontroller.allwinner.h3.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif board_id == ap_board.GIANT_BOARD: @@ -205,6 +232,9 @@ class SPI(Lockable): elif board_id == ap_board.CORAL_EDGE_TPU_DEV: from adafruit_blinka.microcontroller.nxp_imx8m.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI + elif board_id == ap_board.CORAL_EDGE_TPU_DEV_MINI: + from adafruit_blinka.microcontroller.mt8167.pin import Pin + from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif board_id == ap_board.ODROID_C2: from adafruit_blinka.microcontroller.amlogic.s905.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI @@ -235,6 +265,9 @@ class SPI(Lockable): elif detector.board.ROCK_PI_S: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI from adafruit_blinka.microcontroller.rockchip.rk3308.pin import Pin + elif detector.board.ROCK_PI_4: + from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI + from adafruit_blinka.microcontroller.rockchip.rk3399.pin import Pin elif detector.board.SIFIVE_UNLEASHED: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI from adafruit_blinka.microcontroller.hfu540.pin import Pin @@ -247,7 +280,12 @@ class SPI(Lockable): elif detector.board.greatfet_one: from adafruit_blinka.microcontroller.nxp_lpc4330.spi import SPI as _SPI from adafruit_blinka.microcontroller.nxp_lpc4330.pin import Pin - elif board_id in (ap_board.PINE64, ap_board.PINEBOOK, ap_board.PINEPHONE): + elif board_id in ( + ap_board.PINE64, + ap_board.PINEBOOK, + ap_board.PINEPHONE, + ap_board.SOPINE, + ): from adafruit_blinka.microcontroller.allwinner.a64.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif board_id == ap_board.CLOCKWORK_CPI3: @@ -256,6 +294,12 @@ class SPI(Lockable): elif board_id == ap_board.ONION_OMEGA2: from adafruit_blinka.microcontroller.mips24kec.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI + elif detector.board.any_lubancat and detector.chip.id == ap_chip.IMX6ULL: + from adafruit_blinka.microcontroller.nxp_imx6ull.pin import Pin + from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI + elif detector.board.pico_u2if: + from adafruit_blinka.microcontroller.pico_u2if.spi import SPI as _SPI + from adafruit_blinka.microcontroller.pico_u2if.pin import Pin else: from machine import SPI as _SPI from machine import Pin @@ -288,7 +332,7 @@ class SPI(Lockable): except AttributeError: raise NotImplementedError( "Frequency attribute not implemented for this platform" - ) + ) from AttributeError def write(self, buf, start=0, end=None): """Write to the SPI device""" @@ -407,3 +451,36 @@ class UART(Lockable): def write(self, buf): """Write to the UART from a buffer""" return self._uart.write(buf) + + +class OneWire: + """ + Stub class for OneWire, which is currently not implemented + """ + + def __init__(self, pin): + raise NotImplementedError("OneWire has not been implemented") + + def deinit(self): + """ + Deinitialize the OneWire bus and release any hardware resources for reuse. + """ + raise NotImplementedError("OneWire has not been implemented") + + def reset(self): + """ + Reset the OneWire bus and read presence + """ + raise NotImplementedError("OneWire has not been implemented") + + def read_bit(self): + """ + Read in a bit + """ + raise NotImplementedError("OneWire has not been implemented") + + def write_bit(self, value): + """ + Write out a bit based on value. + """ + raise NotImplementedError("OneWire has not been implemented")