def load_sensor(): global attemp_DHT, attemp_GP2Y10 global humidity, density, temp, pressure time_now = datetime.now() # 每 2 秒读一次 # 读取 dht 湿度，温度；bmp085 温度，气压 if (time_now - attemp_DHT).seconds > 10: humidity, temperature = Adafruit_DHT.read_retry(sensor, pin) # 时间间隔两秒 temp = (bmp.readTemperature() + temperature) / 2 pressure = bmp.readPressure() attemp_DHT = time_now # 读取 pm2.5浓度，每 5 秒读一次 if (time_now - attemp_GP2Y10).seconds > 30: density = ZhyuIoT_GP2Y10.read(ZhyuIoT_GP2Y10.GP2Y1051A, 5) # if density is None: attemp = 1 ATTEMPS = 5 attemp_GP2Y10 = time_now
def load_sensor():
global attemp_DHT, attemp_GP2Y10
global humidity, density, temp, pressure
time_now = datetime.now()
# 每 2 秒读一次
# 读取 dht 湿度，温度；bmp085 温度，气压
if (time_now - attemp_DHT).seconds > 10:
attemp_DHT = time_now
# humidity, temperature = Adafruit_DHT.read_retry(sensor, pin) # 时间间隔两秒
# adafruit dht 库有问题，反复执行 pi_version 函数，open('/proc/cpuinfo', 'r') 会导致出错
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin, 15, 2, platform) # 时间间隔两秒
temp = (bmp.readTemperature() + temperature) / 2
pressure = bmp.readPressure()
# 读取 pm2.5浓度，每 5 秒读一次
if (time_now - attemp_GP2Y10).seconds > 30:
attemp_GP2Y10 = time_now
density = ZhyuIoT_GP2Y10.read(ZhyuIoT_GP2Y10.GP2Y1051A, 5, gp2y10) # if density is None: attemp = 1 ATTEMPS = 5
def load_sensor():
global attemp_DHT, attemp_GP2Y10
global humidity, density, temp, pressure
time_now = datetime.now()
# 每 2 秒读一次
# 读取 dht 湿度，温度；bmp085 温度，气压
if (time_now - attemp_DHT).seconds > 10:
attemp_DHT = time_now
# humidity, temperature = Adafruit_DHT.read_retry(sensor, pin) # 时间间隔两秒
# adafruit dht 库有问题，反复执行 pi_version 函数，open('/proc/cpuinfo', 'r') 会导致出错
humidity, temperature = Adafruit_DHT.read_retry(
sensor, pin, 15, 2, platform) # 时间间隔两秒
temp = (bmp.readTemperature() + temperature) / 2
pressure = bmp.readPressure()
# 读取 pm2.5浓度，每 5 秒读一次
if (time_now - attemp_GP2Y10).seconds > 30:
attemp_GP2Y10 = time_now
density = ZhyuIoT_GP2Y10.read(
ZhyuIoT_GP2Y10.GP2Y1051A, 5,
gp2y10) # if density is None: attemp = 1 ATTEMPS = 5
#!/usr/bin/python
import sys
import ZhyuIoT_GP2Y10
# Parse command line parameters.
if len(sys.argv) == 1:
sensor = ZhyuIoT_GP2Y10.GP2Y1051A
elif len(sys.argv) == 2 and sys.argv[1] in ZhyuIoT_GP2Y10.SENSORS:
sensor = sensor_args[sys.argv[1]]
else:
print 'usage: sudo ./ZhyuIoT_GP2Y10.py [51]'
print 'example: sudo ./ZhyuIoT_GP2Y10.py - Read from a GP2Y10 51A'
sys.exit(1)
# Try to grab a sensor reading.
density = ZhyuIoT_GP2Y10.read(sensor, 5)
if density is not None:
print '{0:0.1f} ug/m3'.format(density)
else:
print 'Failed to get reading. Try again!'
print 'usage: sudo ./zhyu.py userkey [DeviceId]'
print 'example: sudo ./zhyu.py userkey pi - Read from optical duster sensor GP2Y10 then send the data to ZhyuIoT with specified device id'
sys.exit(1)
print 'Logging sensor measurements to ZhyuIoT every {0} seconds.'.format(FREQUENCY_SECONDS)
print 'Press Ctrl-C to quit.'
sensor_lists = None
ATTEMPS = 5
import ZhyuIoT_GP2Y10
while True:
if sensor_lists == None:
SENSOR_DESCRIPTIONS = ({'type': DUSTER_SENSOR_TYPE, 'typeName': '粉尘传感器', 'modelName': 'GP2Y10', 'unit': u'ug/m3'}, )
sensor_lists = get_sensor_lists(userkey, deviceid, SENSOR_DESCRIPTIONS)
# Attempt to get sensor reading.
density = ZhyuIoT_GP2Y10.read(ZhyuIoT_GP2Y10.GP2Y1051A, 5)
# Skip to the next reading if a valid measurement couldn't be taken.
# This might happen if the CPU is under a lot of load and the sensor
# can't be reliably read (timing is critical to read the sensor).
attemp = 1
if density is None:
if attemp <= ATTEMPS:
attemp += 1
time.sleep(2)
continue
else:
print 'Failed to get data from sensor after attempting {0} times.'.format(ATTEMPS)
sys.exit(1)
print 'PM 2.5: {0:0.1f} ug/m3'.format(density)
#!/usr/bin/python
import sys
import ZhyuIoT_GP2Y10
# Parse command line parameters.
if len(sys.argv) == 1:
sensor = ZhyuIoT_GP2Y10.GP2Y1051A
elif len(sys.argv) == 2 and sys.argv[1] in ZhyuIoT_GP2Y10.SENSORS:
sensor = sensor_args[sys.argv[1]]
else:
print 'usage: sudo ./ZhyuIoT_GP2Y10.py [51]'
print 'example: sudo ./ZhyuIoT_GP2Y10.py - Read from a GP2Y10 51A'
sys.exit(1)
# Try to grab a sensor reading.
density = ZhyuIoT_GP2Y10.read(sensor, 5)
if density is not None:
print '{0:0.1f} ug/m3'.format(density)
else:
print 'Failed to get reading. Try again!'