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
parent 4c654ec969
commit 1751076592
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# SPDX-FileCopyrightText: 2024 Hajime Fujimoto
#
# SPDX-License-Identifier: MIT
"""Custom PWMOut Wrapper for Hobot.GPIO PWM Class"""
from Hobot import GPIO
GPIO.setmode(GPIO.BCM) # Use BCM pins D4 = GPIO #4
GPIO.setwarnings(False) # shh!
GPIO.cleanup()
# pylint: disable=unnecessary-pass
class PWMError(IOError):
"""Base class for PWM errors."""
pass
# pylint: enable=unnecessary-pass
class PWMOut:
"""Pulse Width Modulation Output Class"""
def __init__(self, pin, *, frequency=48000, duty_cycle=0, variable_frequency=False):
self._pwmpin = None
self._period = 0
self._open(pin, duty_cycle, frequency, variable_frequency)
def __del__(self):
self.deinit()
def __enter__(self):
return self
def __exit__(self, t, value, traceback):
self.deinit()
def _open(self, pin, duty=0, freq=500, variable_frequency=False):
if pin == (0, 25):
gpio_pin = 12
elif pin == (0, 4):
gpio_pin = 13
else:
raise ValueError("PWM is only available on D12 or D13.")
self._pin = gpio_pin
GPIO.setmode(GPIO.BCM)
# GPIO.setup(self._pin, GPIO.OUT)
self._pwmpin = GPIO.PWM(self._pin, freq)
if variable_frequency:
print("Variable Frequency is not supported, continuing without it...")
# set frequency
self.frequency = freq
# set duty
duty = 656 if duty <= 656 else duty
self.duty_cycle = duty
self.enabled = True
def deinit(self):
"""Deinit the PWM."""
if self._pwmpin is not None:
self._pwmpin.stop()
GPIO.cleanup(self._pin)
self._pwmpin = None
def _is_deinited(self):
if self._pwmpin is None:
raise ValueError(
"Object has been deinitialize and can no longer "
"be used. Create a new object."
)
@property
def period(self):
"""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
"""
return 1.0 / self.frequency
@period.setter
def period(self, period):
if not isinstance(period, (int, float)):
raise TypeError("Invalid period type, should be int or float.")
self.frequency = 1.0 / period
@property
def duty_cycle(self):
"""Get or set the PWM's output duty cycle which is the fraction of
each pulse which is high. 16-bit
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 int(self._duty_cycle * 65535)
@duty_cycle.setter
def duty_cycle(self, duty_cycle):
if not isinstance(duty_cycle, (int, float)):
raise TypeError("Invalid duty cycle type, should be int or float.")
if not 0 <= duty_cycle <= 65535:
raise ValueError("Invalid duty cycle value, should be between 0 and 65535")
# convert from 16-bit
duty_cycle /= 65535.0
self._duty_cycle = duty_cycle
self._pwmpin.ChangeDutyCycle(round(self._duty_cycle * 100))
@property
def frequency(self):
"""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
"""
return self._frequency
@frequency.setter
def frequency(self, frequency):
if not isinstance(frequency, (int, float)):
raise TypeError("Invalid frequency type, should be int or float.")
self._pwmpin.ChangeFrequency(round(frequency))
self._frequency = frequency
@property
def enabled(self):
"""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
"""
return self._enabled
@enabled.setter
def enabled(self, value):
if not isinstance(value, bool):
raise TypeError("Invalid enabled type, should be string.")
if value:
self._pwmpin.start(round(self._duty_cycle * 100))
else:
self._pwmpin.stop()
self._enabled = value
# String representation
def __str__(self):
return "pin %s (freq=%f Hz, duty_cycle=%f%%)" % (
self._pin,
self.frequency,
self.duty_cycle,
)