return {'c': cTemp, 'f': fTemp}
def writehumidity(self):
"""Select the relative humidity command from the given provided values"""
bus.write_byte(HTU21D_DEFAULT_ADDRESS, HTU21D_MEAS_RH_NOHOLD)
def readhumidity(self):
"""Read data back from the device address, 2 bytes, humidity MSB, humidity LSB"""
data0 = bus.read_byte(HTU21D_DEFAULT_ADDRESS)
data1 = bus.read_byte(HTU21D_DEFAULT_ADDRESS)
# Convert the data
humidity = ((data0 * 256 + data1) * 125 / 65536.0) - 6
return {'h': humidity}
from HTU21D import HTU21D
HTU21D = HTU21D()
while True:
HTU21D.writehumidity()
hum = HTU21D.readhumidity()
print "Relative Humidity : %.2f %%" % (hum['h'])
HTU21D.writetemperature()
temp = HTU21D.readtemperature()
print "Temperature in Celsius : %.2f C" % (temp['c'])
print "Temperature in Fahrenheit : %.2f F" % (temp['f'])
print " ************************************* "
time.sleep(1)
# Acquire temperature/pressure data from HTU21D and do stuff
#
# Patrick O'Keeffe <*****@*****.**>
# Laboratory for Atmospheric Research at Washington State University
from __future__ import print_function
import os, os.path as osp
import time
import logging
from logging.handlers import TimedRotatingFileHandler
import sys
sys.path.append('/home/pi/weather-station')
from HTU21D import HTU21D
htu = HTU21D()
#### read config file
import ConfigParser as configparser
c = configparser.ConfigParser()
c.read('/etc/wsn/htu21d-logger.conf')
interval = c.getint('main', 'interval')
log_dir = c.get('logging', 'log_dir')
log_file = c.get('logging', 'log_file')
#######################################
#### logging setup
try:
os.makedirs(log_dir)
except OSError:
def parse_gps(NMEA_sentence, flightmode):
global TESTALTITUDE
satellites = 0
lats = 0
northsouth = 0
lngs = 0
westeast = 0
altitude = 0
if TESTING:
altitude = TESTALTITUDE
time = 0
latitude = 0
longitude = 0
temp = 0
humidity = 0
temp2 = 0
pressure2 = 0
alt2 = 0
temp3 = 0
temp4 = 0
global counter
if NMEA_sentence.startswith("$GPGGA"):
print NMEA_sentence
data = NMEA_sentence.split(",")
if data[6] == "0":
print "No Lock"
pass
else:
for Value in Devices:
if Value == "HTU21D" and Devices[Value]:
print "HTU21D Enabled"
start = time_.time()
elap = 0
while elap < 5:
elap = time_.time() - start
temp = float(HTU21D.read_temperature())
humidity = float(HTU21D.read_humidity())
temp = "%.2f" % temp
humidity = "%.2f" % humidity
print "HTU21D -> {}C, {}%".format(temp, humidity)
if temp and humidity:
print "Time elapsed for HTU21D: {}".format(elap)
break
if Value == "BMP085" and Devices[Value]:
print "BMP085 Enabled"
start = time_.time()
elap = 0
while elap < 5:
try:
elap = time_.time() - start
temp2 = "%.2f" % bmp.readTemperature()
pressure2 = "%.1f" % float(
bmp.readPressure() / 100.0)
alt2 = "%.1f" % bmp.readAltitude()
print "BMP085 -> {}C, {}HPa, {}m".format(
temp2, pressure2, alt2)
if temp2 == "12.8" and pressure2 == "125.1" and alt2 == "14557.3":
temp2 = pressure2 = alt2 = 0
break
if temp2 and pressure2 and alt2:
print "Time elapsed for BMP085: {}".format(
elap)
break
except:
pass
if Value == "TMP102" and Devices[Value]:
print "TMP102 Enabled"
start = time_.time()
while elap < 5:
elap = time_.time() - start
temp3 = "%.2f" % gettmp(0x49)
print "TMP102 -> {}".format(temp3)
if temp3:
print "Time elapsed for TMP102: {}".format(elap)
break
if Value == "DS18B20" and Devices[Value]:
"DS18B20 Enabled"
start = time_.time()
elap = 0
while elap < 5:
elap = time_.time() - start
temp4 = read_B18()
print "DS18B20 -> {}".format(temp4)
if temp4:
print "Time elapsed for DS18B20: {}".format(elap)
break
raw_time = data[1]
lats = data[2]
northsouth = data[3]
lngs = data[4]
westeast = data[5]
satellites = data[7]
altitude = data[9]
if TESTING:
altitude = TESTALTITUDE # This will set the altitude for comparing / sending etc.
if time_set == False:
set_time(raw_time)
time = float(raw_time)
string = "%06i" % time
hours = string[0:2]
minutes = string[2:4]
seconds = string[4:6]
time = "{}:{}:{}".format(
hours, minutes, seconds
) # Could also use time.strftime("%H:%M:S") which will output HOURS:MINUTES:SECONDS
latitude = convert(
lats, northsouth
) # Full list can be found at https://docs.python.org/2/library/time.html ( time.strftime() )
longitude = convert(lngs, westeast)
global HasTriggered
global DropFinished
global DropStart
global DropDelay
global CutOff
global TopAlt
if HasTriggered and DropFinished == False:
if (time_.time() - DropStart) > DropDelay:
#print "Drop has finished. GPIO {} to Off.".format(CutOff)
GPIO.output(CutOff, 0)
DropFinished = True
if float(altitude) >= TopAlt and not HasTriggered and not DropFinished:
#print "Drop Starting! GPIO {} Triggered!".format(CutOff)
GPIO.output(CutOff, 1)
HasTriggered = True
DropStart = time_.time()
#flightmode = int(flightmode) # Accidental overwriting?
logstring = "{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{}".format(
callsign, time, counter, latitude, longitude, satellites,
int(flightmode), altitude, temp, humidity, temp2, pressure2, alt2,
temp3, temp4, int(HasTriggered))
if Args.s:
string = "{},{},{},{},{},{},{},{},{},{}".format(
callsign, time, counter, latitude, longitude, satellites,
int(flightmode), temp2, altitude, int(HasTriggered))
else:
string = logstring
if not os.path.isfile('log.txt'):
with open('log.txt', 'w+') as File:
File.write("Log Text:\n")
with open('log.txt', 'r') as File:
Read = File.read()
Read = Read.split("\n")
with open('log.txt', 'w+') as File:
Out = Read.append('{}'.format(logstring))
for A in Read:
File.write(A + "\n")
csum = str(hex(crc16f(string))).upper()[2:]
csum = csum.zfill(4)
datastring = str("$$$$$$" + string + "*" + csum + "\n")
counter += 1
print "Sending >> ", datastring
time_.sleep(0.1)
send(datastring)
if Args.p:
print "Taking Picture!"
Capture()
print "Finished Taking Picture."
import random
from Relay import Relay
from Controls import BangBang
from threading import Timer
import threading
import requests
from HTU21D import HTU21D
from mySqlTools import mySqlSenderAnalog
from HeaterControlTools import printCurrentTime
print(printCurrentTime()+"Imports complete")
setpoint = 16
zone = 0.2
radiator = Relay(12)
rumsensor = HTU21D()
controller = BangBang(setpoint, zone)
temp = round(rumsensor.read_temperature(),2)
print(printCurrentTime()+"Setup complete")
temp = 0
def controlLoop():
ct=Timer(15.0, controlLoop)
#t.daemon = True
ct.start()
print(printCurrentTime()+"Regulering aktiv !")
#print(time.clock())
controller.control(radiator, temp)
def logLoop():
# Delay between pictures = 5 minutes, Total runtime = 3 days
##--------------##
TESTING = False ## If you want to test the Cut Off, Enable this (True).
##--------------##
GPIO.setmode(11)
GPIO.setwarnings(False)
GPIO.setup(CutOff, GPIO.OUT)
Devices = {"BMP085": True, "TMP102": True, "HTU21D": True, "DS18B20": False}
StartTime = time.time()
if Devices["HTU21D"]:
HTU21D = HTU21D()
if Devices["BMP085"]:
bmp = BMP085(0x77, 3)
time_set = False
gps_set_success = False
bus = smbus.SMBus(1)
DNull = open('/dev/null', 'w')
os.system("chmod +x ./DHT")
Parser = argparse.ArgumentParser(
description=
"Parse and decipher GPS signals from serial. Output to Tx with flightmode enabled."
)
Parser.add_argument('-c', nargs='?', help='Custom Callsign for the Tx.')
Parser.add_argument('-p',
from w1_Temperature import W1Temperature
import signal
import sys
import time
def signal_handler(signal, frame):
print "Exiting..."
scheduler.stop()
sys.exit(0)
historian_url = "http://127.0.0.1:5000/"
w1_temps = W1Temperature()
humidity = HTU21D()
w1_sensors = w1_temps.connected_sensors()
scheduler = Scheduler(historian_url)
interval = 30
# add sensors to be recorded to the scheduler
for sensor in w1_sensors:
scheduler.add_sensor(interval, w1_temps, sensor, sensor)
scheduler.add_sensor(interval, humidity, "Temperature", "HTU21D_Temp")
scheduler.add_sensor(interval, humidity, "Humidity", "HTU21D_Hum")
signal.signal(signal.SIGINT, signal_handler)
scheduler.start()
while True:
def parse_gps(NMEA_sentence, flightmode):
global TESTALTITUDE
satellites = 0
lats = 0
northsouth = 0
lngs = 0
westeast = 0
altitude = 0
if TESTING:
altitude = TESTALTITUDE
time = 0
latitude = 0
longitude = 0
temp = 0
humidity = 0
temp2 = 0
pressure2 = 0
alt2 = 0
temp3 = 0
temp4 = 0
global counter
if NMEA_sentence.startswith("$GPGGA"):
print NMEA_sentence
data = NMEA_sentence.split(",")
if data[6] == "0":
print "No Lock"
pass
else:
for Value in Devices:
if Value == "HTU21D" and Devices[Value]:
print "HTU21D Enabled"
start = time_.time()
elap = 0
while elap < 5:
elap = time_.time() - start
temp = float(HTU21D.read_temperature())
humidity = float(HTU21D.read_humidity())
temp = "%.2f" % temp
humidity = "%.2f" % humidity
print "HTU21D -> {}C, {}%".format(temp, humidity)
if temp and humidity:
print "Time elapsed for HTU21D: {}".format(elap)
break
if Value == "BMP085" and Devices[Value]:
print "BMP085 Enabled"
start = time_.time()
elap = 0
while elap < 5:
try:
elap = time_.time() - start
temp2 = "%.2f" % bmp.readTemperature()
pressure2 = "%.1f" % float(bmp.readPressure() / 100.0)
alt2 = "%.1f" % bmp.readAltitude()
print "BMP085 -> {}C, {}HPa, {}m".format(temp2, pressure2, alt2)
if temp2 == "12.8" and pressure2 == "125.1" and alt2 == "14557.3":
temp2 = pressure2 = alt2 = 0
break
if temp2 and pressure2 and alt2:
print "Time elapsed for BMP085: {}".format(elap)
break
except:
pass
if Value == "TMP102" and Devices[Value]:
print "TMP102 Enabled"
start = time_.time()
while elap < 5:
elap = time_.time() - start
temp3 = "%.2f" % gettmp(0x49)
print "TMP102 -> {}".format(temp3)
if temp3:
print "Time elapsed for TMP102: {}".format(elap)
break
if Value == "DS18B20" and Devices[Value]:
"DS18B20 Enabled"
start = time_.time()
elap = 0
while elap < 5:
elap = time_.time() - start
temp4 = read_B18()
print "DS18B20 -> {}".format(temp4)
if temp4:
print "Time elapsed for DS18B20: {}".format(elap)
break
raw_time = data[1]
lats = data[2]
northsouth = data[3]
lngs = data[4]
westeast = data[5]
satellites = data[7]
altitude = data[9]
if TESTING:
altitude = TESTALTITUDE # This will set the altitude for comparing / sending etc.
if time_set == False:
set_time(raw_time)
time = float(raw_time)
string = "%06i" % time
hours = string[0:2]
minutes = string[2:4]
seconds = string[4:6]
time = "{}:{}:{}".format(
hours, minutes, seconds
) # Could also use time.strftime("%H:%M:S") which will output HOURS:MINUTES:SECONDS
latitude = convert(
lats, northsouth
) # Full list can be found at https://docs.python.org/2/library/time.html ( time.strftime() )
longitude = convert(lngs, westeast)
global HasTriggered
global DropFinished
global DropStart
global DropDelay
global CutOff
global TopAlt
if HasTriggered and DropFinished == False:
if (time_.time() - DropStart) > DropDelay:
# print "Drop has finished. GPIO {} to Off.".format(CutOff)
GPIO.output(CutOff, 0)
DropFinished = True
if float(altitude) >= TopAlt and not HasTriggered and not DropFinished:
# print "Drop Starting! GPIO {} Triggered!".format(CutOff)
GPIO.output(CutOff, 1)
HasTriggered = True
DropStart = time_.time()
# flightmode = int(flightmode) # Accidental overwriting?
logstring = "{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{}".format(
callsign,
time,
counter,
latitude,
longitude,
satellites,
int(flightmode),
altitude,
temp,
humidity,
temp2,
pressure2,
alt2,
temp3,
temp4,
int(HasTriggered),
)
if Args.s:
string = "{},{},{},{},{},{},{},{},{},{}".format(
callsign,
time,
counter,
latitude,
longitude,
satellites,
int(flightmode),
temp2,
altitude,
int(HasTriggered),
)
else:
string = logstring
if not os.path.isfile("log.txt"):
with open("log.txt", "w+") as File:
File.write("Log Text:\n")
with open("log.txt", "r") as File:
Read = File.read()
Read = Read.split("\n")
with open("log.txt", "w+") as File:
Out = Read.append("{}".format(logstring))
for A in Read:
File.write(A + "\n")
csum = str(hex(crc16f(string))).upper()[2:]
csum = csum.zfill(4)
datastring = str("$$$$$$" + string + "*" + csum + "\n")
counter += 1
print "Sending >> ", datastring
time_.sleep(0.1)
send(datastring)
if Args.p:
print "Taking Picture!"
Capture()
print "Finished Taking Picture."
def __init__(self) -> None:
self.htu = HTU21D()
#!/usr/bin/python
import time
import sys
from classes.idleloop import IdleLoop
from MCP9808 import MCP9808 as TemperatureSensor
from HTU21D import HTU21D as HumiditySensor
from MPL3115A2 import MPL3115A2 as BarometricSensor
from HT16K33 import HT16K33 as DisplayController
from MCP23017 import MCP23017 as PortExpander
from py2cbus import i2c
thermometer = TemperatureSensor(i2c(1, TemperatureSensor.BASE_ADDRESS))
hygrometer = HumiditySensor(i2c(1, HumiditySensor.BASE_ADDRESS))
barometer = BarometricSensor(i2c(1, BarometricSensor.BASE_ADDRESS))
ports = PortExpander(i2c(1, PortExpander.BASE_ADDRESS))
ports.writePortA(0x00)
display = DisplayController(i2c(1, DisplayController.BASE_ADDRESS))
display.turnOnOscillator()
display.turnOnDisplay()
display.setDimming(0)
for loop in range(1024):
t = thermometer.read_sensor()
thermometer.print_temperature(t)
display.writeTemperature(t['fahrenheit'])
h = hygrometer.read_sensor()
print("Humidity: {:5.1f}, Temperature: {:6.1f}".format(