Example #1
0
def run(timezone):

    bed_signal = Bedsensor(timezone)

    i = 0
    while i < NB_TRY:
        logger.debug('initialization of API, test %i' % (i+1))
        if initialize_APImode():
            break
        i = i + 1

    if i == NB_TRY:
        logger.error('The program fail to convert the Xbee module in API mode, try to restart')
        meta_data = {'type': 'error'}
        yield meta_data, None

    while True:
        signal = read_zigbee()
        logger.debug('Data received: %s' % signal)
        try:
            meta_data, data = gather_data(signal, bed_signal)
            logger.debug('data received: %s' % data)
            if data is not None:
                yield meta_data, data
        except TypeError:
            pass
Example #2
0
def get_DR1(sample_data):
    DR1 = {}
    iterator = iter(sample_data)
    sensors = ['R1', 'R2', 'R3', 'R4', 'R5', 'R6', 'R7', 'R8']
    for sensor in sensors:
        try:
            utf8 = next(iterator) + next(iterator)
        except:
            logger.error('There are less than 8 values received')
            return None
        DR1[sensor] = sum([ord(octet) * pow(256, i)
                           for i, octet in enumerate(reversed(utf8))])
    return DR1
Example #3
0
def _init():
    # TODO Put the config in the config file
    MOCHADHOST = "127.0.0.1"
    MOCHADPORT = 1099

    while True:
        try:
            Sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            Sock.connect((MOCHADHOST, MOCHADPORT))
            Sock.settimeout(10)
            logger.debug("Successfully connected to Mochad")
            return Sock
        except socket.error as e:
            Sock.close()
            logger.error("Unable to listen from Mochad : %s" % e)
            time.sleep(5)
Example #4
0
def _init():
    # TODO Put the config in the config file
    MOCHADHOST = "127.0.0.1"
    MOCHADPORT = 1099

    while True:
        try:
            Sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            Sock.connect((MOCHADHOST, MOCHADPORT))
            Sock.settimeout(10)
            logger.debug("Successfully connected to Mochad")
            return Sock
        except socket.error as e:
            Sock.close()
            logger.error("Unable to listen from Mochad : %s" % e)
            time.sleep(5)
Example #5
0
    def matches(self, signal):

        signal_data = signal['rf_data']
        signal_addr = signal['source_addr']
        """
        The method to check if the signal received is corresponding with the bedsensor patern. If the signal is corresponding, we extract the information corresponding
        """
        #Data FSR 1spl   $ DR1 , ID , R0 R1 R2 R3 R4 R5 R6 R7 \n
        #example: $DR1,\x00\x13\xa2\x00@\xa1N\xba,\x00\x00\x06\x84\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\n

        #The other simple possible is $YOP,nb_FSR,nbFSC\n
        #example: $YOP,08,02\n

        #$DR1,\x00\x10\x02\r,\n\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\n

        logger.debug('Checking the signal "%s" in bedsensor program' % signal_data)


        pattern = (r'^\$(?P<data_type>YOP|DR1).*$\n')
        regexp = re.compile(pattern)
        match = regexp.match(signal_data)

        if match:
            date = self.get_date()

            sample_bits = signal_data.split(",")

            if match.group('data_type') == 'YOP':

                self.initialize(sample_bits)
                return None, None

            else:

                """
                FSR data signal
                """

#                if integrity(signal) == False:
#                    return None, None

                logger.info('The signal matchs with the bedsensor DR1 data patern')
                logger.debug('The DR1 sample is: %s' %sample_bits)

                if len(sample_bits) < FRAGMENT_NUMBER: # It is necessary to put a condition because the Arduino sending binary values can send unexpected '/n'.
                    logger.error('There are %s fragments, this is less than the %s fragments expected in a sample' % (len(sample_bits), FRAGMENT_NUMBER))
                    return None, None


                sample_ID = sample_bits[1]
                bed_time = 0
                for octet in sample_ID:
                    bed_time = (bed_time*256)+ord(octet)

                bed_addr = 0
                for octet in signal_addr:
                    bed_addr = (bed_addr*256)+ord(octet)

                # bed_addr = int(signal_addr, 16)


                bed_ID = 'BED-'+str(bed_addr)

                sample_data = sample_bits[2]
                DR1 = {}
                i = 0
                for val in ['R1','R2','R3','R4','R5','R6','R7','R8']:
                    try:
                        utf8 = sample_data[i]+sample_data[i+1]
                    except:
                        logger.error('There are less than 8 values received')
                        return None, None
                    DR1[val] = 0
                    for octet in utf8:
                        DR1[val] = (DR1[val]*256 )+ord(octet)
                    i = i+2

                logger.debug('Measures of the FSR: %s, date: %s' % (DR1, date.isoformat()))


                return self.formalize(DR1, bed_ID, bed_time, date, match.group('data_type'))

        else:
            logger.debug('The signal is not matching with the bedsensor patern')

            return None, None
Example #6
0
 def integrity(self, signal):
     if sys.getsizeof(signal) == SIZEOF_DR1:
         logger.debug('The size of the data received is corresponding')
         return True
     logger.error('The size of the data received is not corresponding')
     return False