RESOLU DHT22 et time.sleep
Posté : sam. 5 déc. 2015 17:59
Bonjour.... voici le code qui me semble parfaitement adéquat pour avoir une lecture à toutes les 5 secondes.
Mais, après une lecture, ça revient sur la ligne de commande = ~/Adafruit_Python_DHT/examples $
#!/usr/bin/python
# Copyright (c) 2014 Adafruit Industries
# Author: Tony DiCola
import sys
import Adafruit_DHT
import time
# Parse command line parameters.
sensor_args = { '11': Adafruit_DHT.DHT11,
'22': Adafruit_DHT.DHT22,
'2302': Adafruit_DHT.AM2302 }
if len(sys.argv) == 3 and sys.argv[1] in sensor_args:
sensor = sensor_args[sys.argv[1]]
pin = sys.argv[2]
else:
print 'usage: sudo ./Adafruit_DHT.py [11|22|2302] GPIOpin#'
print 'example: sudo ./Adafruit_DHT.py 2302 4 - Read from an AM2302 connected to $
sys.exit(1)
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
if humidity is not None and temperature is not None:
print 'Temp={0:0.1f}* Humidity={1:0.1f}%'.format(temperature, humidity)
else:
print 'Failed to get reading. Try again!'
time.sleep(5)
Une idée ??
Mais, après une lecture, ça revient sur la ligne de commande = ~/Adafruit_Python_DHT/examples $
#!/usr/bin/python
# Copyright (c) 2014 Adafruit Industries
# Author: Tony DiCola
import sys
import Adafruit_DHT
import time
# Parse command line parameters.
sensor_args = { '11': Adafruit_DHT.DHT11,
'22': Adafruit_DHT.DHT22,
'2302': Adafruit_DHT.AM2302 }
if len(sys.argv) == 3 and sys.argv[1] in sensor_args:
sensor = sensor_args[sys.argv[1]]
pin = sys.argv[2]
else:
print 'usage: sudo ./Adafruit_DHT.py [11|22|2302] GPIOpin#'
print 'example: sudo ./Adafruit_DHT.py 2302 4 - Read from an AM2302 connected to $
sys.exit(1)
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
if humidity is not None and temperature is not None:
print 'Temp={0:0.1f}* Humidity={1:0.1f}%'.format(temperature, humidity)
else:
print 'Failed to get reading. Try again!'
time.sleep(5)
Une idée ??