* 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):
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:
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,
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
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,
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: