def read_sensors():
global session, date_time, lat, lon, temp, humid
try:
report = session.next()
# Wait for a 'TPV' report and display the current time
# To see all report data, uncomment the line below
if report['class'] == 'TPV':
if hasattr(report, 'time'):
#print 'time\t\t', report.time
date_time = report.time
if hasattr(report, 'lat'):
#print 'latitude\t', report.lat
lat = report.lat
if hasattr(report, 'lon'):
#print 'longitude\t', report.lon
lon = report.lon
#print 'temperature\t', htu.read_temperature()
#print 'humidity\t', htu.read_humidity()
temp = htu.read_temperature()
humid = htu.read_humidity()
path_writer.writerow([date_time, lat, lon, temp, humid])
except KeyError:
pass
except StopIteration:
session = None
print "GPSD has terminated"
def read_sensors():
global session, date_time, lat, lon, temp, humid
try:
report = session.next()
# Wait for a 'TPV' report and display the current time
# To see all report data, uncomment the line below
if report['class'] == 'TPV':
if hasattr(report, 'time'):
#print 'time\t\t', report.time
date_time = report.time
if hasattr(report, 'lat'):
#print 'latitude\t', report.lat
lat = report.lat
if hasattr(report, 'lon'):
#print 'longitude\t', report.lon
lon = report.lon
#print 'temperature\t', htu.read_temperature()
#print 'humidity\t', htu.read_humidity()
temp = htu.read_temperature()
humid = htu.read_humidity()
path_writer.writerow([date_time, lat, lon, temp, humid])
except KeyError:
pass
except StopIteration:
session = None
print "GPSD has terminated"
def prog(filename="/home/pi/data/htu21df.log", sleeptime=3600): while True: # reset sensor and collect data for next log entry. HTU21DF.htu_reset temperature = HTU21DF.read_temperature() humidity = HTU21DF.read_humidity() cur_date = datetime.date.today() cur_time = time.time() data = [cur_date, cur_time, temperature, humidity] # save new data entry write_to_log(filename, data) # sleep until ready to collect next measurements. time.sleep(sleeptime)
def prog(filename="/home/pi/data/htu21df.log", sleeptime=3600):
while True:
# reset sensor and collect data for next log entry.
HTU21DF.htu_reset
temperature = HTU21DF.read_temperature()
humidity = HTU21DF.read_humidity()
cur_date = datetime.date.today()
cur_time = time.time()
data = [cur_date, cur_time, temperature, humidity]
# save new data entry
write_to_log(filename, data)
# sleep until ready to collect next measurements.
time.sleep(sleeptime)
def getTemperature():
tempList = []
for x in range(100):
HTU21DF.htu_reset
tempList.append(
celcius_to_fahrenheit(HTU21DF.read_temperature())
)
return median(tempList)
def prog(filename):
# reset sensor and collect data.
# reset sensor and collect data. temp=tempsensor.readTempC()
HTU21DF.htu_reset
humidity = HTU21DF.read_humidity()
temp1 = HTU21DF.read_temperature()
barometer = BMP085.BMP085(mode=BMP085.BMP085_ULTRAHIGHRES)
pressure = barometer.read_pressure()
temp2 = barometer.read_temperature()
temp = (temp1 + temp2) / 2
lux = readLux()
datetime = strftime("%Y-%m-%d\t%H:%M:%S")
data = [datetime, temp, humidity, pressure, lux]
# savenewdataentry
write_to_log(filename, data)
hour = strftime("%H")
if float(hour) < 7:
write_lux("/home/pi/lux.csv", lux)
def prog(filename):
err = 0
try:
print("Reading humidity")
HTU21DF.htu_reset
humidity = HTU21DF.read_humidity()
temp1 = HTU21DF.read_temperature()
time.sleep(5)
except:
print("Failed")
humidity = "NA"
temp1 = 0
err = 1
try:
print("Reading the barometer")
barometer = BMP085.BMP085(mode=BMP085.BMP085_ULTRAHIGHRES)
pressure = barometer.read_pressure()
temp2 = barometer.read_temperature()
time.sleep(5)
except:
print("Failed")
pressure = "NA"
temp2 = 0
err = 1
if (temp1 == 0 or temp2 == 0):
temp = temp1 + temp2
else:
temp = (temp1 + temp2) / 2
try:
print("Reading Lux level")
lux = readLux()
time.sleep(5)
except:
print("Failed")
lux = ""
err = 1
datetime = strftime("%Y-%m-%d\t%H:%M:%S")
data = [datetime, temp, humidity, pressure, lux]
# savenewdataentry
write_to_log(filename, data)
hour = strftime("%H")
if int(hour) < 7:
write_lux("/home/pi/lux.csv", lux)
return err
def prog(filename):
err=0
try:
print ("Reading humidity")
HTU21DF.htu_reset
humidity=HTU21DF.read_humidity()
temp1=HTU21DF.read_temperature()
time.sleep(5)
except:
print ("Failed")
humidity="NA"
temp1=0
err=1
try:
print ("Reading the barometer")
barometer = BMP085.BMP085(mode=BMP085.BMP085_ULTRAHIGHRES)
pressure=barometer.read_pressure()
temp2=barometer.read_temperature()
time.sleep(5)
except:
print ("Failed")
pressure="NA"
temp2=0
err=1
if (temp1==0 or temp2==0):
temp=temp1+temp2
else:
temp=(temp1+temp2)/2
try:
print ("Reading Lux level")
lux=readLux()
time.sleep(5)
except:
print ("Failed")
lux=""
err=1
datetime=strftime("%Y-%m-%d\t%H:%M:%S")
data=[datetime,temp,humidity,pressure,lux]
# savenewdataentry
write_to_log(filename,data)
hour=strftime("%H")
if int(hour) < 7:
write_lux("/home/pi/lux.csv",lux)
return err
def ReadSensors():
global measuredTemp
global measuredHumidity
global reportCount
global reportEvery
measuredTemp = HTU21DF.read_temperature()
measuredHumidity = HTU21DF.read_humidity()
displayValues(
str(round(measuredTemp, 1)) + " deg C",
str(round(measuredHumidity, 1)) + " %")
if (reportCount == reportEvery):
# Send data to the web service
reqString = 'http://api.marc-jennings.co.uk/InsecureUploadOfData.php?temperature=' + str(
measuredTemp) + '&humidity=' + str(measuredHumidity)
req = urllib2.Request(reqString)
resp = urllib2.urlopen(req)
reportCount = reportCount + 1
if (reportCount > reportEvery):
reportCount = 1
def prog(filename="/home/pi/behaviorRoomEnv.log", sleeptime=600):
while True:
# reset sensor and collect data for next log entry.
temp = tempsensor.readTempC()
humidity = HTU21DF.read_humidity()
tempPres = MPL3115A2.pressure()
lux = readLux()
## calculate average lux for 100 readings
datetime = strftime("%Y-%m-%d\t%H:%M:%S")
data = [datetime, temp, humidity, tempPres[1], lux]
# save new data entry
write_to_log(filename, data)
# sleep until ready to collect next measurements.
time.sleep(sleeptime)
def sensorReadingProcess(logfileLock, filename, sleeptime):
while True:
# reset sensor and collect data for next log entry.
# TODO: Make this section of code resistant to hardware failures by inserting "nil" values for missing data when appropriate
temp = tempsensor.readTempC()
humidity = HTU21DF.read_humidity()
tempPres = MPL3115A2.pressure()
lux = readLux()
## calculate average lux for 100 readings
datetime = strftime("%Y-%m-%d\t%H:%M:%S")
data = [datetime, temp, humidity, tempPres[1], lux]
# save new data entry, blocking I/O operation
logfileLock.acquire()
write_to_log(filename, data)
logfileLock.release()
# sleep until ready to collect next measurements.
time.sleep(sleeptime)
# A simple program to test the driver
import time
import HTU21DF
while True:
print("sending reset...")
HTU21DF.htu_reset
temperature = HTU21DF.read_temperature()
print("The temperature is %f C." % temperature)
time.sleep(1)
humidity = HTU21DF.read_humidity()
print("The humidity is %F percent." % humidity)
time.sleep(1)
def init(self):
HTU21DF.htu_reset()
import time
import HTU21DF
while True:
print("Sending reset....")
HTU21DF.htu_reset
temperature = HTU21DF.read_temperature()
print("The temperatur is %f C" % temperature)
def read_values(self):
logging.info('Performing measurement ...')
self._temperature = HTU21DF.read_temperature()
self._humidity = HTU21DF.read_humidity()
logging.info('Got measurement: temperature: {}, humidity: {}'.format(
self._temperature, self._temperature))
# -*- coding: utf-8 -*-
###############################################################################
# test_htu21df.py #
# (c) https://github.com/thomaspfeiffer-git 2016 #
###############################################################################
"""Tests sensor HTU21DF (humidity, temperature."""
import sys
from time import sleep, strftime
sys.path.append('../libs')
sys.path.append('../libs/sensors')
import HTU21DF # temperature, humidity
htu21df = HTU21DF.HTU21DF()
while True:
htu21df_temperature = htu21df.read_temperature()
htu21df_humidity = htu21df.read_humidity()
values = ":".join("{:.2f}".format(d) for d in [htu21df_humidity, \
htu21df_temperature])
print(strftime("%Y%m%d %X:"), values)
# print("HTU21DF | Humi | {:>8.2f} | % rF |".format(htu21df_humidity))
# print("HTU21DF | Temp | {:>8.2f} | C |".format(htu21df_temperature))
sleep(1)
# eof #
#!/usr/bin/python
import os
import sys
from datetime import datetime
import HTU21DF
home_dir = "/home/pi"
cam_name = "raspcam01"
if not os.path.isdir("%s/sensor" % home_dir):
os.mkdir("%s/sensor" % home_dir)
dt_now = datetime.now()
dt_str1 = dt_now.strftime("%Y/%m/%d %H:%M:%S")
dt_str2 = dt_now.strftime("%Y%m%d")
fn = "%s/sensor/%s_sensor_%s.csv" % (home_dir, cam_name, dt_str2)
f = open(fn, "a")
HTU21DF.htu_reset()
temp = HTU21DF.read_temperature()
humid = HTU21DF.read_humidity()
f.write("%s,%s,%s\n" % (dt_str1, temp, humid))
f.close()
def getHumidity(temperature):
tempList = []
for x in range(50):
HTU21DF.htu_reset
tempList.append(HTU21DF.read_humidity(temperature))
return median(tempList)
def getTemperature(): HTU21DF.htu_reset() return HTU21DF.read_temperature()
import time
import HTU21DF
def median(x):
m,r= divmod(len(x),2)
if r:
return sorted(x)[m]
return sum(sorted(x)[m-1:m+1])/2
def average(x):
return sum(x)/len(x)
tempList = []
for x in range(1000):
HTU21DF.htu_reset
tempList.append(HTU21DF.read_temperature())
print 'median is {0}'.format(median(tempList))
print 'average is {0}'.format(average(tempList))
print 'minimum value is {0}, maximum value is {1}'.format(min(tempList), max(tempList))
print 'difference is {0}'.format(max(tempList) - min(tempList))
def main():
"""main part"""
qvalue_temp_indoor = SensorValue("ID_01", "TempWohnzimmerIndoor",
SensorValue_Data.Types.Temp, "°C")
qvalue_humi_indoor = SensorValue("ID_02", "HumiWohnzimmerIndoor",
SensorValue_Data.Types.Humi, "% rF")
qvalue_temp_outdoor = SensorValue("ID_03", "TempWohnzimmerOutdoor",
SensorValue_Data.Types.Temp, "°C")
qvalue_humi_outdoor = SensorValue("ID_04", "HumiWohnzimmerOutdoor",
SensorValue_Data.Types.Humi, "% rF")
qvalue_pressure = SensorValue("ID_05", "Luftdruck",
SensorValue_Data.Types.Pressure, "hPa")
qvalue_temp_realoutdoor = SensorValue("ID_12", "TempRealOutdoor",
SensorValue_Data.Types.Temp, "°C")
qvalue_temp_indoor2 = SensorValue("ID_13", "TempWohnzimmerFenster",
SensorValue_Data.Types.Temp, "°C")
sq.register(qvalue_temp_indoor)
sq.register(qvalue_humi_indoor)
sq.register(qvalue_temp_outdoor)
sq.register(qvalue_humi_outdoor)
sq.register(qvalue_pressure)
sq.register(qvalue_temp_realoutdoor)
sq.register(qvalue_temp_indoor2)
bme280 = BME280.BME280(qvalue_pressure=qvalue_pressure, \
qvalue_temp=qvalue_temp_indoor, \
qvalue_humi=qvalue_humi_indoor)
global ds1820_1
ds1820_1 = DS1820.DS1820("/sys/bus/w1/devices/28-000006d62eb1/w1_slave",
qvalue_temp_realoutdoor)
ds1820_2 = DS1820.DS1820("/sys/bus/w1/devices/28-000006dc8d42/w1_slave",
qvalue_temp_indoor2)
htu21df = HTU21DF.HTU21DF(qvalue_temp=qvalue_temp_outdoor,
qvalue_humi=qvalue_humi_outdoor)
cpu = CPU.CPU()
rrd_template = DS_TEMPINDOOR + ":" + \
DS_TEMPOUTDOOR + ":" + \
DS_HUMIINDOOR + ":" + \
DS_HUMIOUTDOOR + ":" + \
DS_REALTEMPOUTDOOR + ":" + \
DS_TEMPINDOOR2 + ":" + \
DS_AIRPRESSURE + ":" + \
DS_TEMPCPU
while True:
bme280_pressure = bme280.read_pressure() / 100.0 # indoor #
bme280_temperature = bme280.read_temperature()
bme280_humidity = bme280.read_humidity()
if platform == Platform.NANOPI:
ds1820_1.consume_cpu_start()
ds1820_1_temperature = ds1820_1.read_temperature()
ds1820_2_temperature = ds1820_2.read_temperature()
if platform == Platform.NANOPI:
ds1820_1.consume_cpu_stop()
htu21df_temperature = htu21df.read_temperature() # outdoor #
htu21df_humidity = htu21df.read_humidity()
cpu_temp = cpu.read_temperature()
rrd_data = "N:" + \
":".join("{:.2f}".format(d) for d in [bme280_temperature, \
htu21df_temperature, \
bme280_humidity, \
htu21df_humidity, \
ds1820_1_temperature, \
ds1820_2_temperature, \
bme280_pressure, \
cpu_temp])
# print(rrd_template)
print(strftime("%Y%m%d %X:"), rrd_data)
rrdtool.update(DATAFILE, "--template", rrd_template, rrd_data)
sleep(45)
#let's pretend we are ready for Python 3
from __future__ import print_function
import HTU21DF
import math
import time
#For my Raspbery Pi B+ it is 1, read your docs
BUS_NO = 1
#For my device, the I2C address is 0x40
ADDR_HTU21 = 0x40
#Initialize with bus_no and ADDR
htu = HTU21DF.HTU21DF(BUS_NO, ADDR_HTU21)
#Performing a soft reset (should reset the values in User register)
htu.soft_reset()
#Let's print some info about the sensor.
#Loading into variable, so we do not have to use the I2C bus
user_reg = htu.read_user_reg()
htu.print_user_reg(user_reg)
#HTU21D-F reading temperature (a CRC check is performed, but on error, only message is printed!)
t_c = htu.read_temp_degC() #in degree Celsius
#HTU21D-F reading humidity (a CRC is checked; on error, only message is printed!)
hum = htu.read_humidity_percent() #in % (relative humidity)
print("Values reaad: Temp [degC]: {}, RH [%] {}".format(t_c, hum))
