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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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Chiara 2025-05-28 14:53:44 +02:00
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lib/python3.11/site-packages/adafruit_blinka/microcontroller/nxp_lpc4330/pwmout.py Normal file
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# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""PWMOut Class for NXP LPC4330"""
from greatfet import GreatFET
try:
from microcontroller.pin import pwmOuts
except ImportError:
raise RuntimeError("No PWM outputs defined for this board") from ImportError
# pylint: disable=unnecessary-pass
class PWMError(IOError):
"""Base class for PWM errors."""
pass
# pylint: enable=unnecessary-pass
class PWMOut:
"""Pulse Width Modulation Output Class"""
MAX_CYCLE_LEVEL = 1024
def __init__(self, pin, *, frequency=750, duty_cycle=0, variable_frequency=False):
"""This class makes use of the GreatFET One's Pattern Generator to create a
Simulated Pulse width modulation. The way that the Pattern Generator works is that
takes a pattern in the form of bytes and will repeat the output. The trick to simulate
PWM is to generate the correct byte pattern for the correct channel.
Args:
pin (Pin): CircuitPython Pin object to output to
duty_cycle (int) : The fraction of each pulse which is high. 16-bit
frequency (int) : target frequency in Hertz (32-bit)
Returns:
PWMOut: PWMOut object.
Raises:
PWMError: if an I/O or OS error occurs.
TypeError: if `channel` or `pin` types are invalid.
ValueError: if PWM channel does not exist.
"""
self._gf = GreatFET()
if variable_frequency:
raise NotImplementedError("Variable Frequency is not currently supported.")
self._pattern = None
self._channel = None
self._enable = False
self._frequency = 500
self._duty_cycle = 0
self._open(pin, duty_cycle, frequency)
def __enter__(self):
return self
def __exit__(self, t, value, traceback):
self.deinit()
def _open(self, pin, duty=0, freq=500):
self._channel = None
for pwmpair in pwmOuts:
if pwmpair[1] == pin:
self._channel = pwmpair[0]
self._pin = pin
if self._channel is None:
raise RuntimeError("No PWM channel found for this Pin")
# set duty
self.duty_cycle = duty
# set frequency
self.frequency = freq
self._set_enabled(True)
def deinit(self):
"""Deinit the GreatFET One PWM."""
# pylint: disable=broad-except
try:
if self._channel is not None:
# self.duty_cycle = 0
self._set_enabled(False)
except Exception as e:
# due to a race condition for which I have not yet been
# able to find the root cause, deinit() often fails
# but it does not effect future usage of the pwm pin
print(
"warning: failed to deinitialize pwm pin {0} due to: {1}\n".format(
self._channel, type(e).__name__
)
)
finally:
self._pattern = None
self._channel = None
# pylint: enable=broad-except
def _is_deinited(self):
if self._pattern is None:
raise ValueError(
"Object has been deinitialize and can no longer "
"be used. Create a new object."
)
# Mutable properties
def _get_period(self):
return 1.0 / self._get_frequency()
def _set_period(self, period):
"""Get or set the PWM's output period in seconds.
Raises:
PWMError: if an I/O or OS error occurs.
TypeError: if value type is not int or float.
:type: int, float
"""
if not isinstance(period, (int, float)):
raise TypeError("Invalid period type, should be int or float.")
self._set_frequency(1.0 / period)
period = property(_get_period, _set_period)
def _get_duty_cycle(self):
"""Get or set the PWM's output duty cycle as a ratio from 0.0 to 1.0.
Raises:
PWMError: if an I/O or OS error occurs.
TypeError: if value type is not int or float.
ValueError: if value is out of bounds of 0.0 to 1.0.
:type: int, float
"""
return self._duty_cycle
def _set_duty_cycle(self, duty_cycle):
if not isinstance(duty_cycle, (int, float)):
raise TypeError("Invalid duty cycle type, should be int or float.")
# convert from 16-bit
if isinstance(duty_cycle, int):
duty_cycle /= 65535.0
if not 0.0 <= duty_cycle <= 1.0:
raise ValueError("Invalid duty cycle value, should be between 0.0 and 1.0.")
# Generate a pattern for 1024 samples of the duty cycle
pattern = [(1 << self._channel)] * round(PWMOut.MAX_CYCLE_LEVEL * duty_cycle)
pattern += [(0 << self._channel)] * round(
PWMOut.MAX_CYCLE_LEVEL * (1.0 - duty_cycle)
)
self._pattern = pattern
self._duty_cycle = duty_cycle
if self._enable:
self._set_enabled(True)
duty_cycle = property(_get_duty_cycle, _set_duty_cycle)
def _get_frequency(self):
return self._frequency
def _set_frequency(self, frequency):
"""Get or set the PWM's output frequency in Hertz.
Raises:
PWMError: if an I/O or OS error occurs.
TypeError: if value type is not int or float.
:type: int, float
"""
if not isinstance(frequency, (int, float)):
raise TypeError("Invalid frequency type, should be int or float.")
# We are sending 1024 samples per second already
self._gf.pattern_generator.set_sample_rate(frequency * len(self._pattern))
self._frequency = frequency
frequency = property(_get_frequency, _set_frequency)
def _get_enabled(self):
enabled = self._enable
if enabled == "1":
return True
if enabled == "0":
return False
raise PWMError(None, 'Unknown enabled value: "%s"' % enabled)
def _set_enabled(self, value):
"""Get or set the PWM's output enabled state.
Raises:
PWMError: if an I/O or OS error occurs.
TypeError: if value type is not bool.
:type: bool
"""
if not isinstance(value, bool):
raise TypeError("Invalid enabled type, should be string.")
self._enable = value
if self._gf:
if self._enable:
if self._pattern:
self._gf.pattern_generator.scan_out_pattern(self._pattern)
else:
self._gf.pattern_generator.stop()