* Author(s): cefn
"""
-
try:
import threading
except ImportError:
"""
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
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,
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,
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,
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:
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,