X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/fa5afb5e90e6fa672ce2b9af3c7b8cf7a58b34c6..a7f3fb9ecc5714ae247a6eea4d8ac32b8f5613fc:/src/busio.py diff --git a/src/busio.py b/src/busio.py old mode 100755 new mode 100644 index b41b4c4..9d9f52a --- a/src/busio.py +++ b/src/busio.py @@ -1,3 +1,6 @@ +# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries +# +# SPDX-License-Identifier: MIT """ `busio` - Bus protocol support like I2C and SPI ================================================= @@ -12,6 +15,7 @@ try: except ImportError: threading = None +# pylint: disable=unused-import import adafruit_platformdetect.constants.boards as ap_board import adafruit_platformdetect.constants.chips as ap_chip from adafruit_blinka import Enum, Lockable, agnostic @@ -25,6 +29,8 @@ class I2C(Lockable): """ Busio I2C Class for CircuitPython Compatibility. Used for both MicroPython and Linux. + + NOTE: Frequency has no effect on Linux systems. The argument is only there for compatibility. """ def __init__(self, scl, sda, frequency=100000): @@ -63,6 +69,27 @@ class I2C(Lockable): I2C_Feather as _I2C, ) + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.feather_can_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_Feather_CAN as _I2C, + ) + + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.feather_epd_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_Feather_EPD as _I2C, + ) + + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.feather_rfm_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_Feather_RFM as _I2C, + ) + self._i2c = _I2C(scl, sda, frequency=frequency) return if detector.board.qtpy_u2if: @@ -75,6 +102,13 @@ class I2C(Lockable): I2C_ItsyBitsy as _I2C, ) + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.macropad_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_MacroPad as _I2C, + ) + self._i2c = _I2C(scl, sda, frequency=frequency) return if detector.board.qt2040_trinkey_u2if: @@ -82,6 +116,13 @@ class I2C(Lockable): I2C_QT2040_Trinkey as _I2C, ) + self._i2c = _I2C(scl, sda, frequency=frequency) + return + if detector.board.kb2040_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_KB2040 as _I2C, + ) + self._i2c = _I2C(scl, sda, frequency=frequency) return if detector.chip.id == ap_chip.RP2040: @@ -89,8 +130,16 @@ class I2C(Lockable): self._i2c = _I2C(scl, sda, frequency=frequency) return + if detector.board.any_siemens_iot2000: + from adafruit_blinka.microcontroller.am65xx.i2c import I2C as _I2C + + self._i2c = _I2C(frequency=frequency) + return + if detector.board.any_embedded_linux: from adafruit_blinka.microcontroller.generic_linux.i2c import I2C as _I2C + if frequency == 100000: + frequency = None # Set to None if default to avoid triggering warning elif detector.board.ftdi_ft2232h: from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.i2c import I2C as _I2C else: @@ -228,6 +277,30 @@ class SPI(Lockable): 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.feather_can_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Feather_CAN 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_epd_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Feather_EPD 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_rfm_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Feather_RFM 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 @@ -236,12 +309,28 @@ class SPI(Lockable): 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.macropad_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_MacroPad 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.board.kb2040_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_KB2040 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 @@ -251,6 +340,12 @@ class SPI(Lockable): 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_siemens_iot2000: + from adafruit_blinka.microcontroller.am65xx.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 elif detector.board.ftdi_ft2232h: @@ -279,47 +374,7 @@ 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.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.generic_linux.spi import SPI as _SPI - 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.generic_linux.spi import SPI as _SPI - elif board_id == ap_board.CORAL_EDGE_TPU_DEV: - 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.generic_linux.spi import SPI as _SPI - elif board_id == ap_board.ODROID_C4: - from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - elif board_id == ap_board.ODROID_XU4: - from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - elif board_id == ap_board.DRAGONBOARD_410C: - 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 - elif board_id == ap_board.JETSON_TX1: - from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - elif board_id == ap_board.JETSON_TX2: - from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - elif board_id == ap_board.JETSON_XAVIER: - from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - elif board_id == ap_board.JETSON_NX: - from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - elif detector.board.ROCK_PI_S: - from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI - 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: + if detector.board.any_nanopi and detector.chip.id == ap_chip.SUN8I: from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI elif detector.board.ftdi_ft232h: from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.spi import ( @@ -333,19 +388,6 @@ class SPI(Lockable): from adafruit_blinka.microcontroller.nova.spi import SPI as _SPI elif detector.board.greatfet_one: from adafruit_blinka.microcontroller.nxp_lpc4330.spi import SPI as _SPI - 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.generic_linux.spi import SPI as _SPI - elif board_id == ap_board.ONION_OMEGA2: - 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: @@ -354,14 +396,39 @@ class SPI(Lockable): from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( SPI_Feather as _SPI, ) + elif detector.board.feather_can_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Feather_CAN as _SPI, + ) + elif detector.board.feather_epd_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Feather_EPD as _SPI, + ) + elif detector.board.feather_rfm_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Feather_RFM as _SPI, + ) elif detector.board.itsybitsy_u2if: from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( SPI_ItsyBitsy as _SPI, ) + elif detector.board.macropad_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_MacroPad as _SPI, + ) + elif detector.board.kb2040_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_KB2040 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 + elif detector.board.any_siemens_iot2000: + from adafruit_blinka.microcontroller.am65xx.spi import SPI as _SPI + from adafruit_blinka.microcontroller.am65xx.pin import Pin + elif detector.board.any_embedded_linux: + from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI else: from adafruit_blinka.microcontroller.generic_micropython.spi import ( SPI as _SPI, @@ -389,10 +456,10 @@ class SPI(Lockable): """Return the baud rate if implemented""" try: return self._spi.frequency - except AttributeError: + except AttributeError as error: raise NotImplementedError( "Frequency attribute not implemented for this platform" - ) from AttributeError + ) from error def write(self, buf, start=0, end=None): """Write to the SPI device""" @@ -514,42 +581,9 @@ class UART(Lockable): return self._uart.readinto(buf, nbytes) def readline(self): - """Read a line of characters up to a newline charater from the UART""" + """Read a line of characters up to a newline character from the UART""" return self._uart.readline() 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")