MikrofonSensor und TemperaturSenor die zwei Python programme funktionieren. mit den jeweiligen 2 json Datein. Beim TemperaturSensor wird im Terminal keine Wertre ausgegeben aber in der json Datei kann man die Temp und Hum sehen.
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# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""am65xx SPI class using PureIO's SPI class"""
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from Adafruit_PureIO import spi
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# import Adafruit_PureIO.spi as spi
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from adafruit_blinka.agnostic import detector
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class SPI:
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"""SPI Class"""
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MSB = 0
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LSB = 1
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CPHA = 1
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CPOL = 2
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baudrate = 100000
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mode = 0
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bits = 8
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def __init__(self, portid):
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if isinstance(portid, tuple):
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self._spi = spi.SPI(device=portid)
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else:
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self._spi = spi.SPI(device=(portid, 0))
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self.clock_pin = None
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self.mosi_pin = None
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self.miso_pin = None
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self.chip = None
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# pylint: disable=too-many-arguments,unused-argument
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def init(
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self,
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baudrate=100000,
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polarity=0,
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phase=0,
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bits=8,
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firstbit=MSB,
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sck=None,
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mosi=None,
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miso=None,
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):
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"""Initialize SPI"""
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mode = 0
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if polarity:
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mode |= self.CPOL
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if phase:
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mode |= self.CPHA
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self.baudrate = baudrate
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self.mode = mode
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self.bits = bits
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self.chip = detector.chip
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# Pins are not used
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self.clock_pin = sck
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self.mosi_pin = mosi
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self.miso_pin = miso
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# pylint: enable=too-many-arguments,unused-argument
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# pylint: disable=unnecessary-pass
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def set_no_cs(self):
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"""Setting so that SPI doesn't automatically set the CS pin"""
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# No kernel seems to support this, so we're just going to pass
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pass
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# pylint: enable=unnecessary-pass
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@property
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def frequency(self):
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"""Return the current baudrate"""
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return self.baudrate
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def write(self, buf, start=0, end=None):
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"""Write data from the buffer to SPI"""
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if not buf:
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return
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if end is None:
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end = len(buf)
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try:
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# self._spi.open(self._port, 0)
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self.set_no_cs()
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self._spi.max_speed_hz = self.baudrate
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self._spi.mode = self.mode
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self._spi.bits_per_word = self.bits
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self._spi.writebytes(buf[start:end])
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# self._spi.close()
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except FileNotFoundError:
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print("Could not open SPI device - check if SPI is enabled in kernel!")
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raise
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def readinto(self, buf, start=0, end=None, write_value=0):
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"""Read data from SPI and into the buffer"""
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if not buf:
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return
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if end is None:
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end = len(buf)
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try:
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# self._spi.open(self._port, 0)
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# self.set_no_cs()
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self._spi.max_speed_hz = self.baudrate
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self._spi.mode = self.mode
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self._spi.bits_per_word = self.bits
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data = self._spi.transfer([write_value] * (end - start))
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for i in range(end - start): # 'readinto' the given buffer
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buf[start + i] = data[i]
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# self._spi.close()
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except FileNotFoundError:
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print("Could not open SPI device - check if SPI is enabled in kernel!")
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raise
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# pylint: disable=too-many-arguments
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def write_readinto(
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self, buffer_out, buffer_in, out_start=0, out_end=None, in_start=0, in_end=None
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):
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"""Perform a half-duplex write from buffer_out and then
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read data into buffer_in
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"""
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if not buffer_out or not buffer_in:
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return
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if out_end is None:
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out_end = len(buffer_out)
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if in_end is None:
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in_end = len(buffer_in)
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if out_end - out_start != in_end - in_start:
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raise RuntimeError("Buffer slices must be of equal length.")
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try:
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# self._spi.open(self._port, 0)
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# self.set_no_cs()
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self._spi.max_speed_hz = self.baudrate
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self._spi.mode = self.mode
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self._spi.bits_per_word = self.bits
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data = self._spi.transfer(list(buffer_out[out_start : out_end + 1]))
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for i in range((in_end - in_start)):
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buffer_in[i + in_start] = data[i]
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# self._spi.close()
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except FileNotFoundError:
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print("Could not open SPI device - check if SPI is enabled in kernel!")
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raise
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# pylint: enable=too-many-arguments
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