def read(self):
try:
self.am = AM2315(0x5c, "/dev/i2c-" + self.I2C_bus_number)
temperature, humidity, crc_check = self.am.sense()
if crc_check != 1:
self._temperature = self._humidity = self._crc_check = None
return 1
else:
self._temperature = temperature
self._humidity = humidity
self._crc_check = crc_check
except:
return 1
def test_outdoor_temp():
logging.info('Testing Outdoor Temperature Sensor (AM2315)...')
try:
crc_check = -1
while crc_check < 0:
outdoor_temp = AM2315(0x5c, "/dev/i2c-1")
outside_temperature, outside_humidity, crc_check = outdoor_temp.sense(
)
sleep(0.5)
logging.info("Outside Temperature: %0.1f F",
(outside_temperature * 1.8) + 32)
logging.info("Outside Humidity: %0.1f", outside_humidity)
logging.info("CRC: %i", crc_check)
logging.info('Outdoor Temperature Test was Successful (AM2315)')
except Exception as exc:
logging.error('Outdoor Temperature Test Failed')
def test_outdoor_temp(self):
# if self._i2cmux is None:
# self.test_i2c_mux()
# self._i2cmux.write_control_register(TCA9545_CONFIG_BUS0)
logging.info('Testing Outdoor Temperature Sensor (AM2315)...')
try:
crc_check = -1
while crc_check <> 1:
self._outdoor_temp = AM2315(0x5c, "/dev/i2c-1")
outside_temperature, outside_humidity, crc_check = self._outdoor_temp.sense(
)
time.sleep(0.5)
logging.info("Outside Temperature: %0.1f F",
(outside_temperature * 1.8) + 32)
logging.info("Outside Humidity: %0.1f", outside_humidity)
logging.info("CRC: %i", crc_check)
logging.info('Outdoor Temperature Test was Successful (AM2315)')
except Exception as exc:
logging.error('Outdoor Temperature Test Failed')
def main():
# ONLY DO THIS ONCE.
# Calling it in a loop will lead to
# a plague of open file handles that will
# crash the code silently
try:
# I don't know why the hell this doesn't show up in i2cdetect :-/
am = AM2315(0x5c, "/dev/i2c-1")
except:
logger.error("Shit's broken!")
sys.exit(-1)
while True:
now = datetime.datetime.utcnow()
temp, humi, crc = am.sense()
lstr = "%s %0.2f %0.2f %s" % (now, temp, humi, (crc == 1))
# Putting this into the rotating log for now so it's easy to check on
writeDB([now, temp, humi, (crc == 1)],
"CourtyardPalmdale.db",
which="LabEnv")
logger.info(lstr)
time.sleep(5)
def __init__(self, i2c_adress=0x5c, i2c_bus="/dev/i2c-1"):
self.am = AM2315(i2c_adress, i2c_bus)
self.temperature = 0
self.humidity = 0
self.crc_check = 0
as3935Interrupt = True #as3935pin = 18 as3935pin = 22 GPIO.setup(as3935pin, GPIO.IN) #GPIO.setup(as3935pin, GPIO.IN,pull_up_down=GPIO.PUD_UP) GPIO.add_event_detect(as3935pin, GPIO.RISING, callback=handle_as3935_interrupt) ############## # Setup AM2315 # turn I2CBus 1 on tca9545.write_control_register(TCA9545_CONFIG_BUS1) am2315 = AM2315(0x5c, "/dev/i2c-1") ############### # Set up FRAM # turn I2CBus 0 on tca9545.write_control_register(TCA9545_CONFIG_BUS0) #fram = SDL_Pi_FRAM.SDL_Pi_FRAM(addr = 0x50) # Main Loop - sleeps 10 seconds # command from RasPiConnect Execution Code def completeCommand():
## INIT GPIOs
INIT_GPIOs()
## init 16x2 display
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(LCD_E, GPIO.OUT)
GPIO.setup(LCD_RS, GPIO.OUT)
GPIO.setup(LCD_DATA4, GPIO.OUT)
GPIO.setup(LCD_DATA5, GPIO.OUT)
GPIO.setup(LCD_DATA6, GPIO.OUT)
GPIO.setup(LCD_DATA7, GPIO.OUT)
display_init()
## init sensors and data
sens_A = AM2315(0x5c,"/dev/i2c-1")
sens_K = AM2315(0x5c,"/dev/i2c-3")
while True:
# read sensor data
TA, HA, crcA_check = sens_A.sense()
TK, HK, crcK_check = sens_K.sense()
TI, HI, validI_check = HYT221(0x28,1)
# check if data validity
if crcA_check == 1 and crcK_check == 1 and validI_check == 1:
if debug == 1:
#Print result
print "A= T: %0.1f" % TA,"H: %0.1f" % HA, "crc_ok: %s" % (crcA_check == 1)
print "I= T: %0.1f" % TI,"H: %0.1f" % HI, "crc_ok: %s" % (validI_check == 1)
print "K= T: %0.1f" % TK,"H: %0.1f" % HK, "crc_ok: %s" % (crcK_check == 1)
class GroveWeatherPi:
# Load Devices
weatherStation = SDL_Pi_WeatherRack.SDL_Pi_WeatherRack(
anemometerPin, rainPin, 0, 0, SDL_MODE_I2C_ADS1015)
ds3231 = SDL_DS3231.SDL_DS3231(1, 0x68)
bmp280 = BMP280.BMP280()
max44009 = MAX44009.MAX44009(1, 0x4a)
display = Adafruit_SSD1306.SSD1306_128_64(rst=RST, i2c_address=0x3C)
am2315 = AM2315(0x5c, "/dev/i2c-1")
# initialize appropriate weather variables
currentWindDirection = 0
currentWindDirectionVoltage = 0.0
rain60Minutes = 0.0
totalRain = 0
rainArray = []
lastRainReading = 0.0
def __init__(self):
self.weatherStation.setWindMode(SDL_MODE_SAMPLE, 5.0)
#self.ds3231.write_now()
self.ds3231.read_datetime()
self.max44009.configure(0, 0, 0, 0)
self.display.begin()
self.display.clear()
self.display.display()
outsideTemperature, outsideHumidity, crc_check = self.am2315.sense()
for i in range(20):
self.rainArray.append(0)
def addRainToArray(self, plusRain):
del self.rainArray[0]
self.rainArray.append(plusRain)
def totalRainArray(self):
total = 0
for i in range(20):
total = total + self.rainArray[i]
return total
def sampleAndDisplay(self):
self.currentWindSpeed = self.weatherStation.current_wind_speed()
self.currentWindGust = self.weatherStation.get_wind_gust()
self.totalRain = self.totalRain + self.weatherStation.get_current_rain_total(
)
logger.debug('Rain Total =\t{0:0.2f} mm'.format(
self.totalRain))
logger.debug('Wind Speed =\t{0:0.2f} KMH'.format(
self.currentWindSpeed))
logger.debug('KMH wind_gust =\t{0:0.2f} KMH'.format(
self.currentWindGust))
logger.debug('Wind Direction =\t{0:0.2f} Degrees'.format(
self.weatherStation.current_wind_direction()))
logger.debug('Wind Direction Voltage =\t{0:0.3f} V'.format(
self.weatherStation.current_wind_direction_voltage()))
logger.debug('DS3231 Datetime =\t{0}'.format(
self.ds3231.read_datetime()))
logger.debug('DS3231 Temperature =\t{0:0.2f} C'.format(
self.ds3231.getTemp()))
logger.debug('BMP280 Temperature =\t{0:0.2f} C'.format(
self.bmp280.read_temperature()))
logger.debug('BMP280 Pressure =\t{0:0.2f} KPa'.format(
self.bmp280.read_pressure() / 1000))
logger.debug('BMP280 Altitude =\t{0:0.2f} m'.format(
self.bmp280.read_altitude()))
logger.debug('BMP280 Sealevel Pressure =\t{0:0.2f} KPa'.format(
self.bmp280.read_sealevel_pressure() / 1000))
luminosity = self.max44009.luminosity()
logger.debug(
'MAX44009 Luminosity =\t{0:0.2f} lux'.format(luminosity))
logger.debug('MAX44009 Solar radiation =\t{0:0.2f} W/m^2'.format(
luminosity * 0.0079))
outsideTemperature, outsideHumidity, crc_check = self.am2315.sense()
logger.debug('AM2315 outTemperature =\t{0:0.1f} C'.format(
outsideTemperature))
logger.debug(
'AM2315 outHumidity =\t{0:0.1f} %'.format(outsideHumidity))
logger.debug('AM2315 crc =\t{0}'.format(crc_check))
logger.debug('dewpoint =\t{0:0.1f} C'.format(
self.dew_point(outsideTemperature, outsideHumidity)))
logger.debug('heat index =\t{0:0.1f} C'.format(
self.heat_index(outsideTemperature, outsideHumidity)))
logger.debug('wind chill =\t{0:0.1f} C'.format(
self.wind_chill(outsideTemperature, self.currentWindSpeed)))
Scroll_SSD1306.addLineOLED(self.display,
'{0}'.format(self.ds3231.read_datetime()))
Scroll_SSD1306.addLineOLED(
self.display, 'IT= {0:0.1f} OT= {1:0.1f} '.format(
self.bmp280.read_temperature(), outsideTemperature))
Scroll_SSD1306.addLineOLED(
self.display, 'PS= {0:0.1f} HU= {1:0.0f} '.format(
(self.bmp280.read_pressure() / 1000), outsideHumidity))
Scroll_SSD1306.addLineOLED(
self.display,
'Wind Speed= {0:0.1f} KMH '.format(self.currentWindSpeed))
Scroll_SSD1306.addLineOLED(
self.display, 'Wind Dir = {0:0.1f} Deg '.format(
self.weatherStation.current_wind_direction()))
Scroll_SSD1306.addLineOLED(
self.display, 'Rain Total= {0:0.1f} mm '.format(self.totalRain))
def sampleWeather(self):
logger.info(" Weather Sampling")
# get Weather Sensor data
currentWindSpeed = self.weatherStation.current_wind_speed()
currentWindGust = self.weatherStation.get_wind_gust()
self.totalRain = self.totalRain + self.weatherStation.get_current_rain_total(
)
self.currentWindDirection = self.weatherStation.current_wind_direction(
)
self.currentWindDirectionVoltage = self.weatherStation.current_wind_direction_voltage(
)
# get BMP180 temperature and pressure
bmp180Temperature = self.bmp280.read_temperature()
bmp180Pressure = self.bmp280.read_pressure() / 1000
bmp180Altitude = self.bmp280.read_altitude()
bmp180SeaLevel = self.bmp280.read_sealevel_pressure() / 1000
# get AM2315 Outside Humidity and Outside Temperature
outsideTemperature, outsideHumidity, crc_check = self.am2315.sense()
# get MAX44009 Luminosity
luminosity = self.max44009.luminosity()
solarradiation = luminosity * 0.0079
self.addRainToArray(self.totalRain - self.lastRainReading)
self.rain60Minutes = self.totalRainArray()
self.lastRainReading = self.totalRain
logger.info("rain in past 60 minute= %s" % self.rain60Minutes)
logger.info("Sending Data to WeatherUnderground")
if (WeatherUnderground_Enable):
# build the URL
myURL = "/weatherstation/updateweatherstation.php?"
myURL += "ID=" + WeatherUnderground_StationID
myURL += "&PASSWORD="******"&dateutc=now"
# now weather station variables
myURL += "&winddir=%i" % currentWindDirection
myURL += "&windspeedmph=%0.2f" % (currentWindSpeed / 1.6)
myURL += "&humidity=%i" % outsideHumidity
myURL += "&tempf=%0.2f" % ((outsideTemperature * 9.0 / 5.0) + 32.0)
myURL += "&rainin=%0.2f" % ((self.rain60Minutes) / 25.4)
myURL += "&baromin=%0.2f" % ((bmp180SeaLevel) * 0.2953)
myURL += "&solarradiation=%0.2f" % solarradiation
myURL += "&software=GroveWeatherPi"
#send it
conn = httplib.HTTPConnection("weatherstation.wunderground.com")
conn.request("GET", myURL)
res = conn.getresponse()
logger.debug(res.status + res.reason)
textresponse = res.read()
logger.debug(textresponse)
conn.close()
logger.info("Storing Data into DB")
if (DB_Enable):
session = DBSession()
data = WeatherData(
datetime=datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S'),
windspeed=currentWindSpeed,
winddir=self.currentWindDirection,
windgust=currentWindGust,
barometer=bmp180Pressure,
inhumidity=outsideHumidity,
outhumidity=outsideHumidity,
intemp=bmp180Temperature,
outtemp=outsideTemperature,
rain=self.lastRainReading,
dewpoint=self.dew_point(outsideTemperature, outsideHumidity),
heatindex=self.heat_index(outsideTemperature, outsideHumidity),
windchill=self.wind_chill(outsideTemperature,
self.currentWindSpeed),
luminosity=luminosity,
radiation=solarradiation)
session.add(data)
session.commit()
def heat_index(self, temperature, humidity):
c2f = lambda t: t * 9 / 5. + 32
f2c = lambda t: (t - 32) * 5 / 9.
c1 = -42.379
c2 = 2.04901523
c3 = 10.14333127
c4 = -0.22475541
c5 = -6.83783e-3
c6 = -5.481717e-2
c7 = 1.22874e-3
c8 = 8.5282e-4
c9 = -1.99e-6
T = c2f(temperature)
# try simplified formula first (used for HI < 80)
HI = 0.5 * (T + 61. + (T - 68.) * 1.2 + humidity * 0.094)
if HI >= 80:
# use Rothfusz regression
HI = math.fsum([
c1,
c2 * T,
c3 * RH,
c4 * T * humidity,
c5 * T**2,
c6 * humidity**2,
c7 * T**2 * humidity,
c8 * T * humidity**2,
c9 * T**2 * humidity**2,
])
return f2c(HI)
def dew_point(self, temperature, humidity):
CONSTANTS = dict(
positive=dict(b=17.368, c=238.88),
negative=dict(b=17.966, c=247.15),
)
const = CONSTANTS['positive'] if temperature > 0 else CONSTANTS[
'negative']
pa = humidity / 100. * math.exp(const['b'] * temperature /
(const['c'] + temperature))
return const['c'] * math.log(pa) / (const['b'] - math.log(pa))
def wind_chill(self, temp, wind_speed):
return 35.74 + (0.6215 * temp) - 35.75 * (wind_speed ** 0.16) \
+ 0.4275 * temp * (wind_speed ** 0.16)
def __init__(self, address, i2c_port="/dev/i2c-1", **kwargs):
super(WeatherAM2315, self).__init__(**kwargs)
self.am2315 = AM2315(address, i2c_port)
import time
from tentacle_pi.AM2315 import AM2315
am = AM2315(0x5c, "/dev/i2c-3")
for x in range(0, 10):
temperature, humidity, crc_check = am.sense()
print "temperature: %0.1f" % temperature
print "humidity: %0.1f" % humidity
print "crc: %s" % crc_check
print
time.sleep(2.0)
import os
import sys
import time
from tentacle_pi.AM2315 import AM2315
if not os.geteuid() == 0:
print("Error: Script must be executed as root.\n")
sys.exit(1)
if GPIO.RPI_REVISION in [2, 3]:
I2C_device = "/dev/i2c-1"
else:
I2C_device = "/dev/i2c-0"
am = AM2315(0x5c, I2C_device)
now = time.time()
fault = None
faultreset = True
count = 0
date_format = '%Y-%m-%d %H:%M:%S'
while 1:
temperature, humidity, crc_check = am.sense()
print("Temperature: {}, Humidity: {}, CRC: {}".format(
temperature, humidity, crc_check))
if count:
date_now = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(now))
def on_connect(client, userdata, flags, rc):
print("Connected with result code " + str(rc))
am = AM2315(0x5c, "/dev/i2c-1")
temperature, humidity, crc_check = am.sense()
message = str(temperature) + ' ' + str(humidity)
client.publish("home/pi/sensor/am2315", message)
def on_message(client, userdata, msg):
am = AM2315(0x5c, "/dev/i2c-1")
temperature, humidity, crc_check = am.sense()
message = str(temperature) + ' ' + str(humidity)
client.publish("home/sensor/am2315", message)
from tentacle_pi.TSL2561 import TSL2561 from tentacle_pi.MCP9808 import MCP9808 from tentacle_pi.MPL115A2 import MPL115A2 from tentacle_pi.LM75 import LM75 """ Simple test to check if all supported sensors are working. - Runs on a Odroid C1 (Ubuntu) and Raspberry Pi 1 / 2 (Raspbian). - For the Banana Pi (Raspbian) change the variable I2C_DEVICE to '/dev/i2c-2' """ I2C_DEVICE = '/dev/i2c-1' print "test AM2315" am = AM2315(0x5c, I2C_DEVICE) temperature, humidity, crc_check = am.sense() print "temperature: %0.1f" % temperature print "humidity: %0.1f" % humidity print "crc: %s" % crc_check print time.sleep(2) print "test BMP180" bmp = BMP180(0x77, I2C_DEVICE) print "temperature: %0.1f" % bmp.temperature() print "pressure: %s" % bmp.pressure() print "altitude: %0.1f" % bmp.altitude() print time.sleep(2)
VWC = {}
GAIN = 1
maxT_Cpu = 80
minT_Cpu = 0
okT_Cpu = 45
tank_empty = 0
tank_full = 125
#Rockwool temperature setup (SENSOR DS18B20)
os.system('modprobe w1-gpio')
os.system('modprobe w1-therm')
base_dir = '/sys/bus/w1/devices/'
device_folders = glob.glob(base_dir + '28*')
# AIR TEMPERATURE AND HUMIDITY 2X AM2315
am_in = AM2315(0x5c, "/dev/i2c-1") # default I2C bus
am_out = AM2315(
0x5c,
"/dev/i2c-3") # new I2C bus created on pins GPIO23 (SDA) and GPIO24 (SCL)
# END OF GLOBAL VARIABLES
""" LIST THAT WILL STORE TEMPERATURES - DS18B20 """
temperatures = []
""" *** SAYS GOOD BYE WHEN PROGRAM STOPS *** """
def exit_handler():
print 'LivingSense stopped TRANSMITTING DATA. See you soon!'
GPIO.cleanup()
return
