X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/15e4a44ae24b0d876961dea3d0a221b0317415f2..refs/heads/main:/src/busio.py diff --git a/src/busio.py b/src/busio.py old mode 100755 new mode 100644 index 46d0f9b..1dd9338 --- 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 ================================================= @@ -6,7 +9,6 @@ See `CircuitPython:busio` in CircuitPython for more details. * Author(s): cefn """ - try: import threading except ImportError: @@ -26,6 +28,8 @@ 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): @@ -49,6 +53,15 @@ class I2C(Lockable): self._i2c = _I2C(frequency=frequency) return + + if detector.board.OS_AGNOSTIC_BOARD: + from adafruit_blinka.microcontroller.generic_agnostic_board.i2c import ( + I2C as _I2C, + ) + + self._i2c = _I2C(frequency=frequency) + return + if detector.board.greatfet_one: from adafruit_blinka.microcontroller.nxp_lpc4330.i2c import I2C as _I2C @@ -64,6 +77,27 @@ 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: @@ -76,6 +110,13 @@ 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: @@ -83,6 +124,20 @@ 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.board.radxa_x4_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.i2c import ( + I2C_Radxa_X4 as _I2C, + ) + self._i2c = _I2C(scl, sda, frequency=frequency) return if detector.chip.id == ap_chip.RP2040: @@ -90,10 +145,21 @@ 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 + elif detector.board.ftdi_ft4232h: + from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.i2c import I2C as _I2C else: from adafruit_blinka.microcontroller.generic_micropython.i2c import ( I2C as _I2C, @@ -111,9 +177,8 @@ class I2C(Lockable): pass else: raise ValueError( - "No Hardware I2C on (scl,sda)={}\nValid I2C ports: {}".format( - (scl, sda), i2cPorts - ) + f"No Hardware I2C on (scl,sda)={(scl, sda)}\n" + f"Valid I2C ports: {i2cPorts}.\nMake sure I2C is enabled." ) if threading is not None: self._lock = threading.RLock() @@ -145,18 +210,17 @@ class I2C(Lockable): if end is None: end = len(buffer) buffer = memoryview(buffer)[start:end] - stop = True # remove for efficiency later - return self._i2c.readfrom_into(address, buffer, stop=stop) + return self._i2c.readfrom_into(address, buffer, stop=True) - def writeto(self, address, buffer, *, start=0, end=None, stop=True): + def writeto(self, address, buffer, *, start=0, end=None): """Write to a device at specified address from a buffer""" if isinstance(buffer, str): buffer = bytes([ord(x) for x in buffer]) if start != 0 or end is not None: if end is None: - return self._i2c.writeto(address, memoryview(buffer)[start:], stop=stop) - return self._i2c.writeto(address, memoryview(buffer)[start:end], stop=stop) - return self._i2c.writeto(address, buffer, stop=stop) + return self._i2c.writeto(address, memoryview(buffer)[start:], stop=True) + return self._i2c.writeto(address, memoryview(buffer)[start:end], stop=True) + return self._i2c.writeto(address, buffer, stop=True) def writeto_then_readfrom( self, @@ -229,6 +293,30 @@ 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 @@ -237,12 +325,36 @@ 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 + if detector.board.radxa_x4_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Radxa_X4 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 @@ -252,10 +364,22 @@ 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: from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.spi import SPI as _SPI + elif detector.board.ftdi_ft4232h: + from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.spi import SPI as _SPI + elif detector.board.OS_AGNOSTIC_BOARD: + from adafruit_blinka.microcontroller.generic_agnostic_board.spi import ( + SPI as _SPI, + ) else: from adafruit_blinka.microcontroller.generic_micropython.spi import ( SPI as _SPI, @@ -273,9 +397,8 @@ class SPI(Lockable): break else: raise ValueError( - "No Hardware SPI on (SCLK, MOSI, MISO)={}\nValid SPI ports:{}".format( - (clock, MOSI, MISO), spiPorts - ) + f"No Hardware SPI on (SCLK, MOSI, MISO)={(clock, MOSI, MISO)}\n" + f"Valid SPI ports: {spiPorts}.\nMake sure SPI is enabled." ) def configure(self, baudrate=100000, polarity=0, phase=0, bits=8): @@ -290,6 +413,10 @@ class SPI(Lockable): from adafruit_blinka.microcontroller.ftdi_mpsse.mpsse.spi import ( SPI as _SPI, ) + elif detector.board.ftdi_ft4232h: + 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 elif detector.board.greatfet_one: @@ -302,16 +429,47 @@ 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.board.radxa_x4_u2if: + from adafruit_blinka.microcontroller.rp2040_u2if.spi import ( + SPI_Radxa_X4 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 + elif detector.board.OS_AGNOSTIC_BOARD: + from adafruit_blinka.microcontroller.generic_agnostic_board.spi import ( + SPI as _SPI, + ) else: from adafruit_blinka.microcontroller.generic_micropython.spi import ( SPI as _SPI, @@ -464,42 +622,9 @@ 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")