adapté
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Gitouche
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121
teleinfo.py
Normal file → Executable file
121
teleinfo.py
Normal file → Executable file
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@ -4,23 +4,6 @@
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# __licence__ = "Apache License 2.0"
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# Python 3, prérequis : pip install pySerial influxdb
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#
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# Exemple de trame:
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# {
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# 'BASE': '123456789' # Index heure de base en Wh
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# 'OPTARIF': 'HC..', # Option tarifaire HC/BASE
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# 'IMAX': '007', # Intensité max
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# 'HCHC': '040177099', # Index heure creuse en Wh
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# 'IINST': '005', # Intensité instantanée en A
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# 'PAPP': '01289', # Puissance Apparente, en VA
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# 'MOTDETAT': '000000', # Mot d'état du compteur
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# 'HHPHC': 'A', # Horaire Heures Pleines Heures Creuses
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# 'ISOUSC': '45', # Intensité souscrite en A
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# 'ADCO': '000000000000', # Adresse du compteur
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# 'HCHP': '035972694', # index heure pleine en Wh
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# 'PTEC': 'HP..' # Période tarifaire en cours
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# }
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import logging
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import time
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@ -30,16 +13,48 @@ import requests
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import serial
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from influxdb import InfluxDBClient
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# Nombre de secondes entre deux transmission des mesures
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DELAY_MESURE = 10
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# clés à utiliser - les autres ne seront pas transmises
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USED_MESURE_KEYS = [
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'LTARF',
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'EAST',
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'EASF01',
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'EASF02',
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'IRMS1',
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'URMS1',
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'SINSTS',
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'SMAXSN',
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'CCASN',
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'UMOY1',
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'MSG1',
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'NTARF',
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]
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# clés téléinfo
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INT_MESURE_KEYS = ['BASE', 'IMAX', 'HCHC', 'IINST', 'PAPP', 'ISOUSC', 'ADCO', 'HCHP']
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INT_MESURE_KEYS = [
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'EAST',
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'EASF',
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'EASD',
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'EAIT',
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'ERQ',
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'IRMS',
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'URMS',
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'PREF',
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'PCOUP',
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'SINST',
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'SMAX',
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'CCA',
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'UMOY',
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]
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# création du logguer
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logging.basicConfig(filename='/var/log/teleinfo/releve.log', level=logging.INFO, format='%(asctime)s %(message)s')
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logging.basicConfig(filename='/tmp/teleinfo-releve.log', level=logging.INFO, format='%(asctime)s %(message)s')
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logging.info("Teleinfo starting..")
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# connexion a la base de données InfluxDB
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client = InfluxDBClient('localhost', 8086)
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client = InfluxDBClient('192.168.0.10', 8086)
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DB_NAME = "teleinfo"
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connected = False
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while not connected:
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@ -58,9 +73,9 @@ while not connected:
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connected = True
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def add_measures(measures, time_measure):
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def add_measures(measures):
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points = []
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for measure, value in measures.items():
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for measure, values in measures.items():
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point = {
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"measurement": measure,
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"tags": {
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@ -69,12 +84,9 @@ def add_measures(measures, time_measure):
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"region": "linky"
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},
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"time": datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ"),
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"fields": {
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"value": value
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}
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"fields": values
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}
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points.append(point)
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client.write_points(points)
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@ -85,13 +97,13 @@ def verif_checksum(data, checksum):
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sum_unicode = (data_unicode & 63) + 32
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return (checksum == chr(sum_unicode))
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def checksum(line:str) -> str:
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return chr((sum(list(line)) & 0x3F) + 0x20)
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def main():
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with serial.Serial(port='/dev/ttyS0', baudrate=1200, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE,
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bytesize=serial.SEVENBITS, timeout=1) as ser:
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logging.info("Teleinfo is reading on /dev/ttyS0..")
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with serial.Serial(port='/dev/ttyAMA0', baudrate=9600, parity=serial.PARITY_EVEN, bytesize=serial.SEVENBITS, timeout=1) as ser:
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logging.info("Teleinfo is reading on /dev/ttyAMA0..")
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trame = dict()
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# boucle pour partir sur un début de trame
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@ -99,41 +111,50 @@ def main():
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while b'\x02' not in line: # recherche du caractère de début de trame
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line = ser.readline()
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# lecture de la première ligne de la première trame
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line = ser.readline()
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delaycounter = DELAY_MESURE
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while True:
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line_str = line.decode("utf-8")
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while delaycounter < DELAY_MESURE:
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ser.read_until(b'\x03')
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delaycounter+=1
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line = ser.readline()
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logging.debug(line)
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try:
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# separation sur espace /!\ attention le caractere de controle 0x32 est un espace aussi
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[key, val, *_] = line_str.split(" ")
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# supprimer les retours charriot et saut de ligne puis selectionne le caractere
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# de controle en partant de la fin
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checksum = (line_str.replace('\x03\x02', ''))[-3:-2]
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if verif_checksum(f"{key} {val}", checksum):
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# creation du champ pour la trame en cours avec cast des valeurs de mesure en "integer"
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trame[key] = int(val) if key in INT_MESURE_KEYS else val
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dataset = line.replace(b'\x03\x02', b'').rstrip(b'\r\n')
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checksumchar = checksum(dataset[:-1])
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if checksumchar == chr(dataset[-1]):
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spline = dataset.split(b'\t')
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logging.debug(spline)
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etiquette = spline[0].decode('ascii')
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if etiquette in USED_MESURE_KEYS:
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value = spline[1].decode('ascii')
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timestamp = None
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if len(spline) == 4 and spline[2] != b'' : # Horodaté
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value = spline[2].decode('ascii')
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timestamp = spline[1].decode('ascii')
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for radix in INT_MESURE_KEYS:
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if etiquette.startswith(radix):
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value = int(value)
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trame[etiquette] = {
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"value": value,
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"timestamp": timestamp,
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}
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else:
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logging.debug('Checksum error, aborting frame')
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if b'\x03' in line: # si caractère de fin dans la ligne, on insère la trame dans influx
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del trame['ADCO'] # adresse du compteur : confidentiel!
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time_measure = time.time()
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# insertion dans influxdb
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add_measures(trame, time_measure)
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add_measures(trame)
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# ajout timestamp pour debugger
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trame["timestamp"] = int(time_measure)
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logging.debug(trame)
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trame = dict() # on repart sur une nouvelle trame
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delaycounter=0
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except Exception as e:
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logging.error("Exception : %s" % e, exc_info=True)
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logging.error("%s %s" % (key, val))
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line = ser.readline()
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logging.error("%s" % (line))
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if __name__ == '__main__':
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