+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
"""
`busio` - Bus protocol support like I2C and SPI
=================================================
* Author(s): cefn
"""
+import os
try:
import threading
"""
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):
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
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:
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:
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:
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,
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
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
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.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,
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,
+ 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:
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")
projects / Adafruit_Blinka-hackapet.git / blobdiff