X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/30d6cd0ac14df67350f14f67a5fa52eb43e59838..02cf06bea528e58a35090a6892d79fad3d6f6491:/src/busio.py diff --git a/src/busio.py b/src/busio.py index 1ad6e41..b41b4c4 100755 --- a/src/busio.py +++ b/src/busio.py @@ -7,7 +7,10 @@ See `CircuitPython:busio` in CircuitPython for more details. * Author(s): cefn """ -import threading +try: + import threading +except ImportError: + threading = None import adafruit_platformdetect.constants.boards as ap_board import adafruit_platformdetect.constants.chips as ap_chip @@ -15,7 +18,7 @@ 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 +# pylint: disable=too-many-arguments,too-many-function-args,too-many-return-statements class I2C(Lockable): @@ -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): @@ -50,19 +53,59 @@ class I2C(Lockable): self._i2c = _I2C(frequency=frequency) return + if detector.board.pico_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import I2C_Pico as _I2C + + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.feather_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_Feather as _I2C, + ) + + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.qtpy_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import I2C_QTPY as _I2C + + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.itsybitsy_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_ItsyBitsy as _I2C, + ) + + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.qt2040_trinkey_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_QT2040_Trinkey as _I2C, + ) + + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.chip.id == ap_chip.RP2040: + from adafruit_blinka.microcontroller.rp2040.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 elif detector.board.ftdi_ft2232h: from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.i2c import I2C as _I2C else: - from machine import I2C as _I2C + from adafruit_blinka.microcontroller.generic_micropython.i2c import ( + I2C as _I2C, + ) from microcontroller.pin import i2cPorts for portId, portScl, portSda in i2cPorts: try: + # pylint: disable=unexpected-keyword-arg if scl == portScl and sda == portSda: self._i2c = _I2C(portId, mode=_I2C.MASTER, baudrate=frequency) break + # pylint: enable=unexpected-keyword-arg except RuntimeError: pass else: @@ -71,8 +114,8 @@ class I2C(Lockable): (scl, sda), i2cPorts ) ) - - self._lock = threading.RLock() + if threading is not None: + self._lock = threading.RLock() def deinit(self): """Deinitialization""" @@ -82,11 +125,13 @@ 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): @@ -122,9 +167,9 @@ class I2C(Lockable): out_end=None, in_start=0, in_end=None, - stop=False + 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( @@ -149,7 +194,11 @@ class SPI(Lockable): self.deinit() if detector.board.ftdi_ft232h: from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.spi import SPI as _SPI - from adafruit_blinka.microcontroller.ftdi_mpsse.ft232h.pin import SCK, MOSI, MISO + from adafruit_blinka.microcontroller.ftdi_mpsse.ft232h.pin import ( + SCK, + MOSI, + MISO, + ) self._spi = _SPI() self._pins = (SCK, MOSI, MISO) @@ -168,12 +217,48 @@ class SPI(Lockable): self._spi = _SPI() self._pins = (SCK, MOSI, MISO) return + if detector.board.pico_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import SPI_Pico 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.feather_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Feather 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.itsybitsy_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_ItsyBitsy 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.qtpy_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import SPI_QTPY 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.chip.id == ap_chip.RP2040: + from adafruit_blinka.microcontroller.rp2040.spi import SPI as _SPI + + self._spi = _SPI(clock, MOSI, MISO) # Pins configured on instantiation + self._pins = (clock, clock, clock) # These don't matter, they're discarded + return if detector.board.any_embedded_linux: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif detector.board.ftdi_ft2232h: from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.spi import SPI as _SPI else: - from machine import SPI as _SPI + from adafruit_blinka.microcontroller.generic_micropython.spi import ( + SPI as _SPI, + ) from microcontroller.pin import spiPorts for portId, portSck, portMosi, portMiso in spiPorts: @@ -195,77 +280,92 @@ class SPI(Lockable): def configure(self, baudrate=100000, polarity=0, phase=0, bits=8): """Update the configuration""" 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.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: - from adafruit_blinka.microcontroller.allwinner.h3.pin import Pin + elif detector.board.any_orange_pi: + 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.generic_linux.spi import SPI as _SPI elif board_id == ap_board.GIANT_BOARD: - from adafruit_blinka.microcontroller.sama5.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI 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.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 elif board_id == ap_board.ODROID_C4: - from adafruit_blinka.microcontroller.amlogic.s905x3.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif board_id == ap_board.ODROID_XU4: - from adafruit_blinka.microcontroller.samsung.exynos5422.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif board_id == ap_board.DRAGONBOARD_410C: - from adafruit_blinka.microcontroller.snapdragon.apq8016.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif board_id == ap_board.JETSON_NANO: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - from adafruit_blinka.microcontroller.tegra.t210.pin import Pin elif board_id == ap_board.JETSON_TX1: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - from adafruit_blinka.microcontroller.tegra.t210.pin import Pin elif board_id == ap_board.JETSON_TX2: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - from adafruit_blinka.microcontroller.tegra.t186.pin import Pin elif board_id == ap_board.JETSON_XAVIER: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - from adafruit_blinka.microcontroller.tegra.t194.pin import Pin elif board_id == ap_board.JETSON_NX: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - from adafruit_blinka.microcontroller.tegra.t194.pin import Pin 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 + elif detector.board.ROCK_PI_E: + from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif detector.board.SIFIVE_UNLEASHED: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - from adafruit_blinka.microcontroller.hfu540.pin import Pin elif detector.board.ftdi_ft232h: - from adafruit_blinka.microcontroller.ftdi_mpsse.ft232h.spi import SPI as _SPI - from adafruit_blinka.microcontroller.ftdi_mpsse.ft232h.pin import Pin + from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.spi import ( + SPI as _SPI, + ) elif detector.board.ftdi_ft2232h: - from adafruit_blinka.microcontroller.ftdi_mpsse.ft2232h.spi import SPI as _SPI - from adafruit_blinka.microcontroller.ftdi_mpsse.ft2232h.pin import Pin + from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.spi import ( + SPI as _SPI, + ) elif detector.board.binho_nova: from adafruit_blinka.microcontroller.nova.spi import SPI as _SPI - from adafruit_blinka.microcontroller.nova.pin import Pin 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): - from adafruit_blinka.microcontroller.allwinner.a64.pin import Pin + elif board_id in ( + ap_board.PINE64, + ap_board.PINEBOOK, + ap_board.PINEPHONE, + ap_board.SOPINE, + ): + from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI + elif board_id == ap_board.PINEH64: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif board_id == ap_board.CLOCKWORK_CPI3: - from adafruit_blinka.microcontroller.allwinner.a33.pin import Pin from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI 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.generic_linux.spi import SPI as _SPI + elif detector.board.pico_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import SPI_Pico as _SPI + elif detector.board.feather_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Feather as _SPI, + ) + elif detector.board.itsybitsy_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_ItsyBitsy as _SPI, + ) + elif detector.board.qtpy_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import SPI_QTPY as _SPI + elif detector.chip.id == ap_chip.RP2040: + from adafruit_blinka.microcontroller.rp2040.spi import SPI as _SPI else: - from machine import SPI as _SPI - from machine import Pin + from adafruit_blinka.microcontroller.generic_micropython.spi import ( + SPI as _SPI, + ) if self._locked: # TODO check if #init ignores MOSI=None rather than unsetting, to save _pinIds attribute @@ -275,9 +375,6 @@ class SPI(Lockable): phase=phase, bits=bits, firstbit=_SPI.MSB, - sck=Pin(self._pins[0].id), - mosi=Pin(self._pins[1].id), - miso=Pin(self._pins[2].id), ) else: raise RuntimeError("First call try_lock()") @@ -295,7 +392,7 @@ 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""" @@ -348,13 +445,12 @@ class UART(Lockable): from adafruit_blinka.microcontroller.nova.uart import UART as _UART elif detector.board.greatfet_one: from adafruit_blinka.microcontroller.nxp_lpc4330.uart import UART as _UART + elif detector.chip.id == ap_chip.RP2040: + from adafruit_blinka.microcontroller.rp2040.uart import UART as _UART else: from machine import UART as _UART - if detector.board.binho_nova: - from adafruit_blinka.microcontroller.nova.pin import uartPorts - else: - from microcontroller.pin import uartPorts + from microcontroller.pin import uartPorts self.baudrate = baudrate @@ -373,25 +469,35 @@ class UART(Lockable): else: raise ValueError("Invalid parity") - # check tx and rx have hardware support - for portId, portTx, portRx in uartPorts: # - if portTx == tx and portRx == rx: - self._uart = _UART( - portId, - baudrate, - bits=bits, - parity=parity, - stop=stop, - timeout=timeout, - read_buf_len=receiver_buffer_size, - ) - break + if detector.chip.id == ap_chip.RP2040: + self._uart = _UART( + tx, + rx, + baudrate=baudrate, + bits=bits, + parity=parity, + stop=stop, + ) else: - raise ValueError( - "No Hardware UART on (tx,rx)={}\nValid UART ports: {}".format( - (tx, rx), uartPorts + # check tx and rx have hardware support + for portId, portTx, portRx in uartPorts: # + if portTx == tx and portRx == rx: + self._uart = _UART( + portId, + baudrate, + bits=bits, + parity=parity, + stop=stop, + timeout=timeout, + read_buf_len=receiver_buffer_size, + ) + break + else: + raise ValueError( + "No Hardware UART on (tx,rx)={}\nValid UART ports: {}".format( + (tx, rx), uartPorts + ) ) - ) def deinit(self): """Deinitialization""" @@ -414,3 +520,36 @@ 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")