def creat_data():
u=driver.read_u()
if u:
pack = ts.A.collect('volalite', str('%.1f'%u))
DataCache.append(pack)
i=driver.read_i()
if i:
pack = ts.A.collect('current', str('%.1f'%i))
DataCache.append(pack)
p=driver.read_p()
if p:
pack = ts.A.collect('power', str('%.1f'%p))
DataCache.append(pack)
dht.measure()
t=dht.temperature()
h=dht.humidity()
if h:
pack = ts.A.collect('humi', str('%.1f'%h))
DataCache.append(pack)
if t:
pack = ts.A.collect('temp', str('%.1f'%t))
DataCache.append(pack)
if Relay.value():
pack = ts.A.collect('switch', str(1))
else:
pack = ts.A.collect('switch', str(0))
DataCache.append(pack)
def read_dht():
try:
dht.measure()
except Exception as e:
common.log('Failed to get DHT measurements: %s' % e)
return
common.publish(TEMPTOPIC, "%.2f" % dht.temperature())
common.publish(HUMTOPIC, "%.2f" % dht.humidity())
def make_response(sta_if, request_content):
try:
dht.measure()
dht_ready = True
except OSError:
dht_ready = False
values = {
'wifi': format_network_status(sta_if.ifconfig()),
't': '{:.2f}'.format(dht.temperature()) if dht_ready else 'error',
'h': '{:.2f}'.format(dht.humidity()) if dht_ready else 'error',
}
return PAGE_TEMPLATE.format(**values)
def measure(mqtt, dht):
# try:
dht.measure()
temp = dht.temperature()
humi = dht.humidity()
print("Temperature: %3.1f °C" % temp)
print(" Humidity: %3.2f %% RH" % humi)
json_data = {"location": "lala", "temperature": temp, "humidity": humi}
json_str = json.dumps(json_data)
mqtt.publish(MQTT_TOPIC_TEMP, str(temp))
mqtt.publish(MQTT_TOPIC_HUMI, str(humi))
def polldht(dht, ledpin=None):
"""Collect measurements from DHT and return in a dictionary.
If ledpin is specified, turn it on before measurement, and off after.
"""
if ledpin:
ledon(ledpin)
dht.measure()
results = {}
results['temp'] = dht.temperature()
results['humi'] = dht.humidity()
if ledpin:
ledoff(ledpin)
return results
import dht, time, machine
dht = dht.DHT11(machine.Pin(13))
while Thread[0]:
dht.measure()
print("temperature:", dht.temperature())
print("humidity:", dht.humidity()) #DHT22 can be read twice every second
time.sleep(1) #DHT11 can only be read once every second
def read():
dht.measure()
value_hum = dht.humidity()
value_temp = dht.temperature()
read_output(value_hum)
return value_hum, value_temp