Exemple #1
0
def main():


    TIME = getTime() # Initialize time value
    SensorValueArr = [TIME, LPG, SMOKE, CO, CO2, TEMP, HUM, FAILURE] # Sensor arr keep all sensor data, time and failure data to send cloud.
    db = Database()      
    com = comm.Cummunication()
    port = com.connect()
    dht22_sensor = dht22.DHT22()
    while(True):
        
        msg = com.read_message(port)
        val, msgID  = com.getValue(msg)
        print ("value:", val)
        print("type:", msgID)
        if msgID != 0: # if the mqsensor data was read, other sensor's data will read.
            SensorValueArr[4] = mh_z19.read()["co2"]
            SensorValueArr[5] = dht22_sensor.read_dht(False)
            SensorValueArr[6] = dht22_sensor.read_dht(True)
            SensorValueArr[msgID] = val
            if SensorValueArr[1] >= LPG_LIMIT and SensorValueArr[2] >= SMOKE_LIMIT and \    
               SensorValueArr[3] >= CO_LIMIT and SensorValueArr[4] >= CO2_LIMIT and \
               SensorValueArr[5] >= TEMP_LIMIT and SensorValueArr[6] >= HUM_LIMIT: # Check Sensor failure limits.
                
                SensorValueArr[7] = True
         
        if msgID == 3: # When All sensor data was read. The data will send cloud.  
            msgID = 0
            SensorValueArr[0] = getTime()
            db.prepare_data(SensorValueArr)
            db.send_data()
            print("Data sent...")
        
        print(SensorValueArr)
Exemple #2
0
def main():

    TIME = getTime()
    SensorValueArr = [
        TIME, LPG, METAN, PROPAN, CO, HYDROGEN, SMOKE, CO2, TEMP, HUM, FAILURE
    ]
    db = Database()
    com = comm.Cummunication()
    port = com.connect()
    dht22_sensor = dht22.DHT22()
    while (True):

        msg = com.read_message(port)
        val, msgID = com.getValue(msg)
        print("value:", val)
        print("type:", msgID)
        if msgID != 0:
            SensorValueArr[7] = mh_z19.read()["co2"]
            SensorValueArr[8] = dht22_sensor.read_dht(False)
            SensorValueArr[9] = dht22_sensor.read_dht(True)
            SensorValueArr[msgID] = val
            if SensorValueArr[1] >= LPG_LIMIT and SensorValueArr[2] >= METAN_LIMIT and \
               SensorValueArr[3] >= PROPAN_LIMIT and SensorValueArr[4] >= CO_LIMIT and \
               SensorValueArr[5] >= HYDROGEN_LIMIT and SensorValueArr[6] >=SMOKE_LIMIT and \
               SensorValueArr[7] >= CO2_LIMIT and SensorValueArr[8] >= TEMP_LIMIT and SensorValueArr[9] >= HUM_LIMIT:
                SensorValueArr[10] = True

        if msgID == 6:
            msgID = 0
            SensorValueArr[0] = getTime()
            db.prepare_data(SensorValueArr)
            db.send_data()
            print("Data sent...")

        print(SensorValueArr)
Exemple #3
0
 def GetTemp(self):  # 温湿度を取得
     instance = dht22.DHT22(pin=TEMP_SENSOR_PIN)
     retry_count = 0
     while True:  # MAX_RETRY回まで繰り返す
         retry_count += 1
         result = instance.read()
         if result.is_valid():  # 取得できたら温度と湿度を返す
             return result.temperature, result.humidity
         elif retry_count >= MAX_RETRY:
             return 99.9, 99.9  # MAX_RETRYを過ぎても取得できなかった時に温湿度99.9を返す
         sleep(RETRY_TIME)
Exemple #4
0
def getSenzorTemp():
    timest = calendar.timegm(datetime.datetime.now().timetuple())
    if senzor_type == "dht22":
        while True:
            gpio.init()
            instance = dht22.DHT22(pin=gport.PA12)
            result = instance.read()
            if result.is_valid():
                return {
                        "info": {"type": "senzor_data",
                                 "id": id},
                        "data": {"temp": result.temperature,
                                 "humidity": result.humidity,
                                 "timestamp": timest}
                       }
    elif senzor_type == "18b20":
        temp = sensor.get_temperature()
        return {
                "info": {"type": "senzor_data",
                         "id": id},
                "data": {"temp": temp,
                         "timestamp": timest}
               }
Exemple #5
0
PIN2 = port.PA6
gpio.init()
#gpio.cleanup()

while 1:

    # Connexion serveur FTP
    ftp = FTP('192.168.1.170', 'pi', 'raspberry')
    etat = ftp.getwelcome()
    print "Etat : ", etat

    def average(list):
        if (list != []): return float(sum(list)) / len(list)

    # read data using pin 14
    instance = dht22.DHT22(pin=PIN2)

    i = 0
    list_temp = []
    list_hum = []

    while 1:
        result = instance.read()
        if result.is_valid():
            list_temp.append(result.temperature)
            list_hum.append(result.humidity)
            i = i + 1
            os.system('clear')
            print(str(i) + "0%")
            time.sleep(6)
            os.system('clear')
Exemple #6
0
def main():
    user = False
    saveDHTData = True
    logFile = "logger.txt"
    # Get the sensors
    dht22S = dht22.DHT22()
    hcsr04S = hcsr04.HCSR04()
    ledS = led.LED()
    resetPB = push_button.PushButton(dht22S, ledS, 20)
    # Create the queues for each sensor
    qDatadht = Q.Queue(1000)
    qdhtExit = Q.Queue(1)
    qDataHC = Q.Queue(1000)
    qhcExit = Q.Queue(1)
    serverQ = Q.Queue(100)
    sQExit = Q.Queue(1)
    # Create locks
    dhtLock = t.Lock()
    hcLock = t.Lock()
    dhtExitL = t.Lock()
    hcExitL = t.Lock()
    serverLock = t.Lock()
    sExitL = t.Lock()
    # Create the thread for DHT sensor
    thread1 = sThread.SensorThread(1, "Thread1", qDatadht, dhtLock, qdhtExit,
                                   dhtExitL, dht22S)
    # Create thread for HC-SR04 sensor
    thread2 = sThread.SensorThread(2, "Thread2", qDataHC, hcLock, qhcExit,
                                   hcExitL, hcsr04S)
    # Thread for the server
    serverT = server.ServerS(3, "Server", logFile, serverQ, serverLock, sQExit,
                             sExitL)
    # Start
    thread1.start()
    thread2.start()
    serverT.start()

    endProcess = False

    while not endProcess:
        dht22Data = None
        # Is there data from DHT22?
        dhtLock.acquire()
        if not qDatadht.empty():
            dht22Data = qDatadht.get()
        dhtLock.release()
        # Is there data from HC-SR04?
        hcData = None
        hcLock.acquire()
        if not qDataHC.empty():
            hcData = qDataHC.get()
        hcLock.release()
        # Was there a presence?
        if hcData:
            pTime = time.asctime()
            data = ["HC", hcData, pTime]
            ledS.turnOnLED()
            writeToFile(logFile, data)
        # DHT data
        if saveDHTData:
            if dht22Data:
                if dht22Data[0] != None:
                    data = [" DHT", dht22Data[0], dht22Data[1]]
                    writeToFile(logFile, data)

        # Verify is there are new params
        data = []
        interval = []
        serverLock.acquire()
        # Get the new parameters
        while not serverQ.empty():
            data.append(serverQ.get())
        serverLock.release()
        if not data:
            continue
        # Modify params is necessary
        for d in data:
            dSplit = d.split(",")
            value = float(dSplit[1])
            if dSplit[0] == "RS" and value == 1:
                dht22S.setDefaults()
                ledS.turnOffLED()
            if dSplit[0] == "LI" and value != -1:
                interval.append(dSplit[1])
            if dSplit[0] == "UI" and value != -1:
                interval.append(dSplit[1])
            if dSplit[0] == "SP" and value != -1:
                dht22S.setPSampling(float(dSplit[1]))
            if dSplit[0] == "SV" and value != -1:
                saveDHTData = bool(int(dSplit[1]))
            if dSplit[0] == "TF" and value != -1:
                ledS.turnOffLED()
        #
        if len(interval) > 0:
            dht22S.setSamplingInterval(int(interval[1]), int(interval[2]))
        if not dht22S.withinInterval(time.time()):
            saveDHTData = False
Exemple #7
0
import RPi.GPIO as GPIO
import dht22
import time
import datetime

# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.cleanup()

# read data using pin 4
instance = dht22.DHT22(pin=4)

while True:
    result = instance.read()
    if result.is_valid():
        print("Last valid input: " + str(datetime.datetime.now()))
        print("Temperature: %.1f C" % result.temperature)
        print("Humidity: %.1f %%" % result.humidity)

    time.sleep(1)
Exemple #8
0
    def startup(self):
        """
        Main function for the program
        :return:
        """
        self.run_event.set()

        if 'dht_led_pin' in self.config['pins']:
            dht_led_pin = self.config['pins']['dht_led_pin']
            GPIO.setup(dht_led_pin, GPIO.OUT)
        else:
            dht_led_pin = None
        dht_data_pin = self.config['pins']['dht_data_pin']
        button_pin = self.config['pins']['button_pin']
        dht = dht22.DHT22(data_gpio_pin=dht_data_pin, led_gpio_pin=dht_led_pin)
        tsl = tsl_sensor.TSLSensor()

        # TODO:
        original_sigint_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)

        # Subprocess handlers
        thread_temp = TemperatureThread(self.config['timeouts']['wx_timeout'],
                                        dht, self.run_event, self.queue)
        thread_lux = LuxThread(self.config['timeouts']['lux_timeout'], tsl,
                               self.run_event, self.queue)
        thread_wheel = WheelCounterThread(
            self.config['pins']['wheel_sensor_pin'],
            self.config['pins']['wheel_led_pin'],
            self.config['timeouts']['wheel_loop_timer'],
            self.config['timeouts']['wheel_inactivity_timer'],
            self.config['wheel_info']['circumference'], self.run_event,
            self.queue)
        thread_lcd = DataReportingThread(
            self.run_event, self.reporting_queue, self.lcd, __version__,
            self.config['timeouts']['lcd_fadeout_time'],
            self.config['database']['filename'])
        thread_button = ButtonHandlerThread(button_pin, self.run_event,
                                            self.queue)

        signal.signal(signal.SIGINT, original_sigint_handler)

        # Start the subprocesses
        thread_lcd.start()
        thread_temp.start()
        thread_lux.start()
        thread_wheel.start()
        thread_button.start()

        while True:
            try:
                # Wait for something on the queue, but only for a short time (1 ms). This will allow some
                # responsiveness on the loop (e.g. for CTRL+C shutdown) and will also act as the loop
                # delay since we're basically in a busy-wait
                data = self.queue.get(True, 0.001)
                logger.info("{0}: {1}".format(threading.currentThread().name,
                                              data))

                # Get the data over to the reporting thread
                self.reporting_queue.put(data)

            except KeyboardInterrupt:
                logger.info("Keyboard Stop, terminating worker processes")
                self.run_event.clear()
                thread_temp.join()
                thread_lux.join()
                thread_wheel.join()
                GPIO.cleanup()

                # Cleanup the LCD
                self.lcd.set_backlight(1)
                self.lcd.clear()
                logger.info("Threads shutdown")
                break
            except Exception as ex:
                pass
from pyA20.gpio import gpio
from pyA20.gpio import port

import dht22
import time
import datetime

gpio.init()

instance = dht22.DHT22(pin=port.PA6)

result = instance.read()
if result.is_valid():
    print('{0:0.1f} | {1:0.1f}'.format(result.temperature, result.humidity))
else:
    print('-1 | -1')