* Author(s): cefn
"""
+import threading
+
from adafruit_blinka import Enum, Lockable, agnostic
from adafruit_blinka.agnostic import board_id, detector
-import adafruit_platformdetect.board as ap_board
+import adafruit_platformdetect.constants.boards as ap_board
+import adafruit_platformdetect.constants.chips as ap_chip
class I2C(Lockable):
def __init__(self, scl, sda, frequency=400000):
def init(self, scl, sda, frequency):
self.deinit()
- if detector.board.any_embedded_linux:
+ if detector.board.ftdi_ft232h:
+ from adafruit_blinka.microcontroller.ft232h.i2c import I2C
+ self._i2c = I2C(frequency=frequency)
+ return
+ elif detector.board.binho_nova:
+ from adafruit_blinka.microcontroller.nova.i2c import I2C
+ self._i2c = I2C(frequency=frequency)
+ return
+ elif detector.board.microchip_mcp2221:
+ from adafruit_blinka.microcontroller.mcp2221.i2c import I2C
+ self._i2c = I2C(frequency=frequency)
+ return
+ elif detector.board.any_embedded_linux:
from adafruit_blinka.microcontroller.generic_linux.i2c import I2C as _I2C
else:
from machine import I2C as _I2C
from microcontroller.pin import i2cPorts
for portId, portScl, portSda in i2cPorts:
- if scl == portScl and sda == portSda:
- self._i2c = _I2C(portId, mode=_I2C.MASTER, baudrate=frequency)
- break
+ try:
+ if scl == portScl and sda == portSda:
+ self._i2c = _I2C(portId, mode=_I2C.MASTER, baudrate=frequency)
+ break
+ except RuntimeError:
+ pass
else:
- raise NotImplementedError(
- "No Hardware I2C on (scl,sda)={}\nValid UART ports: {}".format((scl, sda), i2cPorts)
+ raise ValueError(
+ "No Hardware I2C on (scl,sda)={}\nValid I2C ports: {}".format((scl, sda), i2cPorts)
)
+ self._lock = threading.RLock()
+
def deinit(self):
try:
del self._i2c
pass
def __enter__(self):
+ self._lock.acquire()
return self
def __exit__(self, exc_type, exc_value, traceback):
+ self._lock.release()
self.deinit()
def scan(self):
return self._i2c.scan()
def readfrom_into(self, address, buffer, *, start=0, end=None):
- if start is not 0 or end is not None:
+ if start != 0 or end is not None:
if end is None:
end = len(buffer)
buffer = memoryview(buffer)[start:end]
def writeto(self, address, buffer, *, start=0, end=None, stop=True):
if isinstance(buffer, str):
buffer = bytes([ord(x) for x in buffer])
- if start is not 0 or end is not None:
+ if start != 0 or end is not None:
if end is None:
return self._i2c.writeto(address, memoryview(buffer)[start:], stop=stop)
else:
class SPI(Lockable):
def __init__(self, clock, MOSI=None, MISO=None):
self.deinit()
- if detector.board.any_embedded_linux:
+ if detector.board.ftdi_ft232h:
+ from adafruit_blinka.microcontroller.ft232h.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.ft232h.pin import SCK, MOSI, MISO
+ self._spi = _SPI()
+ self._pins = (SCK, MOSI, MISO)
+ return
+ elif detector.board.binho_nova:
+ from adafruit_blinka.microcontroller.nova.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.nova.pin import SCK, MOSI, MISO
+ self._spi = _SPI(clock)
+ self._pins = (SCK, MOSI, MISO)
+ return
+ elif detector.board.any_embedded_linux:
from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
else:
from machine import SPI as _SPI
self._pins = (portSck, portMosi, portMiso)
break
else:
- raise NotImplementedError(
+ raise ValueError(
"No Hardware SPI on (SCLK, MOSI, MISO)={}\nValid SPI ports:{}".
format((clock, MOSI, MISO), spiPorts))
def configure(self, baudrate=100000, polarity=0, phase=0, bits=8):
- if detector.board.any_raspberry_pi:
+ if detector.board.any_raspberry_pi or detector.board.any_raspberry_pi_40_pin:
from adafruit_blinka.microcontroller.bcm283x.pin import Pin
from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
- elif board_id == ap_board.BEAGLEBONE_BLACK:
+ elif detector.board.any_beaglebone:
from adafruit_blinka.microcontroller.am335x.pin import Pin
from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
- elif board_id == ap_board.ORANGE_PI_PC:
- from adafruit_blinka.microcontroller.allwinner_h3.pin import Pin
+ elif detector.board.any_orange_pi and detector.chip.id == ap_chip.SUN8I:
+ from adafruit_blinka.microcontroller.allwinner.h3.pin import Pin
from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
elif board_id == ap_board.GIANT_BOARD:
from adafruit_blinka.microcontroller.sama5.pin import Pin
from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ elif board_id == ap_board.CORAL_EDGE_TPU_DEV:
+ from adafruit_blinka.microcontroller.nxp_imx8m.pin import Pin
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ elif board_id == ap_board.ODROID_C2:
+ from adafruit_blinka.microcontroller.amlogic.s905.pin import Pin
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ elif board_id == ap_board.ODROID_C4:
+ from adafruit_blinka.microcontroller.amlogic.s905x3.pin import Pin
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ elif board_id == ap_board.DRAGONBOARD_410C:
+ from adafruit_blinka.microcontroller.snapdragon.apq8016.pin import Pin
+ 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
+ from adafruit_blinka.microcontroller.tegra.t210.pin import Pin
+ elif board_id == ap_board.JETSON_TX1:
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.tegra.t210.pin import Pin
+ elif board_id == ap_board.JETSON_TX2:
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.tegra.t186.pin import Pin
+ elif board_id == ap_board.JETSON_XAVIER:
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.tegra.t194.pin import Pin
+ elif board_id == ap_board.JETSON_NX:
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.tegra.t194.pin import Pin
+ elif detector.board.SIFIVE_UNLEASHED:
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.hfu540.pin import Pin
+ elif detector.board.ftdi_ft232h:
+ from adafruit_blinka.microcontroller.ft232h.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.ft232h.pin import Pin
+ elif detector.board.binho_nova:
+ from adafruit_blinka.microcontroller.nova.spi import SPI as _SPI
+ from adafruit_blinka.microcontroller.nova.pin import Pin
+ elif board_id == ap_board.PINE64 or board_id == ap_board.PINEBOOK or board_id == ap_board.PINEPHONE:
+ from adafruit_blinka.microcontroller.allwinner.a64.pin import Pin
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ elif board_id == ap_board.CLOCKWORK_CPI3:
+ from adafruit_blinka.microcontroller.allwinner.a33.pin import Pin
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
+ elif board_id == ap_board.ONION_OMEGA2:
+ from adafruit_blinka.microcontroller.mips24kec.pin import Pin
+ from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
else:
from machine import SPI as _SPI
from machine import Pin
self._spi = None
self._pinIds = None
+ @property
+ def frequency(self):
+ try:
+ return self._spi.frequency
+ except AttributeError:
+ raise NotImplementedError("Frequency attribute not implemented for this platform")
+
def write(self, buf, start=0, end=None):
return self._spi.write(buf, start, end)
flow=None):
if detector.board.any_embedded_linux:
raise RuntimeError('busio.UART not supported on this platform. Please use pyserial instead.')
+ elif detector.board.binho_nova:
+ from adafruit_blinka.microcontroller.nova.uart import UART as _UART
else:
from machine import UART as _UART
- from microcontroller.pin import uartPorts
+
+ if detector.board.binho_nova:
+ from adafruit_blinka.microcontroller.nova.pin import uartPorts
+ else:
+ from microcontroller.pin import uartPorts
self.baudrate = baudrate
)
break
else:
- raise NotImplementedError(
+ raise ValueError(
"No Hardware UART on (tx,rx)={}\nValid UART ports: {}".format((tx, rx), uartPorts)
)
def deinit(self):
+ if detector.board.binho_nova:
+ self._uart.deinit()
self._uart = None
def read(self, nbytes=None):
projects / hackapet / Adafruit_Blinka.git / blobdiff