325 lines
8.8 KiB
Python
Executable file
325 lines
8.8 KiB
Python
Executable file
#!/usr/bin/env python2.7
|
|
# -*- coding: utf-8 -*-
|
|
|
|
from raspyrfm import *
|
|
import sensors
|
|
from sensors import rawsensor
|
|
import sys
|
|
import time
|
|
import threading
|
|
import math
|
|
import json
|
|
from datetime import datetime
|
|
#import os
|
|
import SocketServer
|
|
import SimpleHTTPServer
|
|
import urlparse
|
|
|
|
lock = threading.Lock()
|
|
|
|
with open("lacrossegw.conf") as jfile:
|
|
config = json.load(jfile)
|
|
|
|
if raspyrfm_test(2, RFM69):
|
|
print("Found RaspyRFM twin")
|
|
rfm = RaspyRFM(2, RFM69) #when using the RaspyRFM twin
|
|
elif raspyrfm_test(1, RFM69):
|
|
print("Found RaspyRFM single")
|
|
rfm = RaspyRFM(1, RFM69) #when using a single single 868 MHz RaspyRFM
|
|
else:
|
|
print("No RFM69 module found!")
|
|
exit()
|
|
|
|
try:
|
|
from influxdb import InfluxDBClient
|
|
influxClient = InfluxDBClient(
|
|
host=config["influxdb"]["host"],
|
|
port=config["influxdb"]["port"],
|
|
username=config["influxdb"]["user"],
|
|
password=config["influxdb"]["pass"]
|
|
)
|
|
|
|
createDb = True
|
|
for db in influxClient.get_list_database():
|
|
if db["name"] == config["influxdb"]["database"]:
|
|
createDb = False
|
|
break
|
|
if createDb:
|
|
influxClient.create_database(config["influxdb"]["database"])
|
|
influxClient.switch_database(config["influxdb"]["database"])
|
|
influxClient.alter_retention_policy("autogen", duration="2h", replication=1, shard_duration="1h")
|
|
influxClient.create_retention_policy("one_week", duration="1w", replication=1, shard_duration='24h')
|
|
influxClient.create_retention_policy("one_year", database=config["influxdb"]["database"], duration="365d", replication=1, shard_duration='1w')
|
|
influxClient.create_continuous_query("three_min", 'SELECT mean(T) as "T", mean(RH) as "RH", mean(AH) as "AH", mean(DEW) as "DEW" INTO "one_week"."lacrosse" from "lacrosse" GROUP BY time(3m),*')
|
|
influxClient.create_continuous_query("three_hour", 'SELECT mean(T) as "T", mean(RH) as "RH", mean(AH) as "AH", mean(DEW) as "DEW" INTO "one_week"."lacrosse" from "lacrosse" GROUP BY time(3h),*')
|
|
else:
|
|
influxClient.switch_database(config["influxdb"]["database"])
|
|
|
|
except Exception as ex:
|
|
influxClient = None
|
|
print("influx init error: " + ex.__class__.__name__ + " " + (''.join(ex.args)))
|
|
|
|
try:
|
|
import paho.mqtt.client as mqtt
|
|
mqttClient = mqtt.Client()
|
|
mqttClient.connect("localhost", 1883, 60)
|
|
mqttClient.loop_start()
|
|
except:
|
|
mqttClient = None
|
|
print("mqtt init error")
|
|
|
|
rfm.set_params(
|
|
Freq = 868.300, #MHz center frequency
|
|
Datarate = 9.579, #kbit/s baudrate
|
|
ModulationType = rfm69.FSK, #modulation
|
|
Deviation = 30, #kHz frequency deviation OBW = 69.6/77.2 kHz, h = 6.3/3.5
|
|
SyncPattern = [0x2d, 0xd4], #syncword
|
|
Bandwidth = 100, #kHz bandwidth
|
|
#AfcBandwidth = 150,
|
|
#AfcFei = 0x0E,
|
|
RssiThresh = -100, #-100 dB RSSI threshold
|
|
)
|
|
|
|
class BaudChanger(threading.Thread):
|
|
baud = False
|
|
def __init__(self):
|
|
threading.Thread.__init__(self)
|
|
|
|
def run(self):
|
|
while True:
|
|
time.sleep(15)
|
|
print "Change baudrate"
|
|
if self.baud:
|
|
rfm.set_params(Datarate = 9.579)
|
|
else:
|
|
rfm.set_params(Datarate = 17.241)
|
|
self.baud = not self.baud
|
|
|
|
baudChanger = BaudChanger()
|
|
baudChanger.daemon = True
|
|
baudChanger.start()
|
|
|
|
def writeInflux(payload):
|
|
if not influxClient:
|
|
return
|
|
T = payload["T"]
|
|
wr = {
|
|
"measurement": "lacrosse",
|
|
"fields": {
|
|
"T": T
|
|
},
|
|
"tags": {"sensor": payload["ID"] if not ("room" in payload) else payload["room"]}
|
|
}
|
|
|
|
if ("RH" in payload):
|
|
wr["fields"]["RH"] = payload['RH']
|
|
wr["fields"]["DEW"] = payload["DEW"]
|
|
wr["fields"]["AH"] = payload["AH"]
|
|
|
|
influxClient.write_points([wr])
|
|
|
|
def getCacheSensor(id, sensorConfig = None):
|
|
sensor = None
|
|
if (id in cache) and ((datetime.now() - cache[id]["ts"]).total_seconds() < 180):
|
|
sensor = cache[id]["payload"]
|
|
if sensorConfig is not None:
|
|
if ('tMax' in sensorConfig) and (sensor["T"] > sensorConfig["tMax"]):
|
|
sensor["tStatus"] = "high"
|
|
|
|
if ('tMin' in sensorConfig) and (sensor["T"] < sensorConfig["tMin"]):
|
|
sensor["tStatus"] = "low"
|
|
|
|
if ('tStatus' not in sensor) and ('tMax' in sensorConfig or 'tMin' in sensorConfig):
|
|
sensor["tStatus"] = "ok"
|
|
|
|
if ('RH' in sensor):
|
|
outSensor = getCacheSensor(sensorConfig["idOutside"]) if 'idOutside' in sensorConfig else None
|
|
if (outSensor is not None) and ('AH' in outSensor):
|
|
sensor["AHratio"] = round((outSensor["AH"] / sensor["AH"] - 1) * 100)
|
|
sensor["RHvent"] = round(outSensor["DD"] / sensor["SDD"] * 100)
|
|
|
|
if ('rhMax' in sensorConfig) and (sensor["RH"] > sensorConfig["rhMax"]):
|
|
#too wet!
|
|
sensor["rhStatus"] = "high"
|
|
if "AHratio" in sensor:
|
|
if sensor["AHratio"] <= -10:
|
|
sensor["window"] = "open"
|
|
elif sensor["AHratio"] >= 10:
|
|
sensor["window"] = "close"
|
|
|
|
if ('rhMin' in sensorConfig) and (sensor["RH"] < sensorConfig["rhMin"]):
|
|
#too dry
|
|
sensor["rhStatus"] = "low"
|
|
if "AHratio" in sensor:
|
|
if sensor["AHratio"] >= 10:
|
|
sensor["window"] = "open"
|
|
elif sensor["AHratio"] <= -10:
|
|
sensor["window"] = "close"
|
|
|
|
if 'rhStatus' not in sensor and ('rhMin' in sensorConfig or 'rhMax' in sensorConfig):
|
|
sensor["rhStatus"] = "ok"
|
|
|
|
return sensor
|
|
|
|
class MyHttpRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
|
|
def getjson(self):
|
|
self.send_response(200)
|
|
self.send_header('Content-type', 'application/json')
|
|
self.end_headers()
|
|
resp = {"sensors": []}
|
|
idlist = []
|
|
|
|
lock.acquire()
|
|
for csens in config["sensors"]:
|
|
id = csens["id"]
|
|
sensor = getCacheSensor(id, csens)
|
|
if sensor is not None:
|
|
#print("Sensor: ", sensor)
|
|
idlist.append(id)
|
|
else:
|
|
sensor = {}
|
|
sensor["room"] = csens["name"]
|
|
sensor["ID"] = id
|
|
resp["sensors"].append(sensor)
|
|
|
|
for id in cache:
|
|
if id in idlist:
|
|
continue
|
|
|
|
sensor = getCacheSensor(id)
|
|
if sensor is not None:
|
|
resp["sensors"].append(sensor)
|
|
|
|
lock.release()
|
|
|
|
self.wfile.write(json.dumps(resp))
|
|
|
|
def do_GET(self):
|
|
url = urlparse.urlparse(self.path)
|
|
p = url.path
|
|
q = urlparse.parse_qs(url.query)
|
|
if 'name' in q:
|
|
name = q['name'][0]
|
|
|
|
if p == '/data':
|
|
self.getjson()
|
|
|
|
elif p == '/':
|
|
self.path = 'index.html'
|
|
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
|
|
|
|
elif p == '/history' and influxClient and name:
|
|
resp = influxClient.query(
|
|
"SELECT mean(T), mean(RH) FROM one_week.lacrosse WHERE (sensor = $name) AND time >= now() - 4h GROUP BY time(3m) fill(none)",
|
|
bind_params={'name': name}
|
|
)
|
|
self.send_response(200)
|
|
self.send_header('Content-type', 'application/json')
|
|
self.end_headers()
|
|
self.wfile.write(json.dumps(resp.raw['series'][0]['values']))
|
|
|
|
else:
|
|
return self.send_error(404, self.responses.get(404)[0])
|
|
|
|
|
|
class Server(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
|
|
pass
|
|
|
|
cache = {}
|
|
|
|
server = Server(('0.0.0.0', 8080), MyHttpRequestHandler)
|
|
server_thread = threading.Thread(target=server.serve_forever)
|
|
server_thread.daemon = True
|
|
server_thread.start()
|
|
|
|
print "Waiting for sensors..."
|
|
|
|
while 1:
|
|
rxObj = rfm.receive(7)
|
|
|
|
try:
|
|
sensorObj = rawsensor.CreateSensor(rxObj)
|
|
sensorData = sensorObj.GetData()
|
|
payload = {}
|
|
ID = sensorData["ID"]
|
|
payload["ID"] = ID
|
|
T = sensorData["T"][0]
|
|
payload["T"] = T
|
|
except:
|
|
continue
|
|
|
|
payload["rssi"] = rxObj[1]
|
|
payload["afc"] = rxObj[2]
|
|
payload["batlo"] = sensorData['batlo']
|
|
payload["init"] = sensorData["init"]
|
|
lock.acquire()
|
|
for csens in config["sensors"]:
|
|
if sensorData['ID'] == csens["id"]:
|
|
payload["room"] = csens["name"]
|
|
break
|
|
|
|
if 'RH' in sensorData:
|
|
RH = int(sensorData['RH'][0])
|
|
payload["RH"] = RH
|
|
a = 7.5
|
|
b = 237.4
|
|
SDD = 6.1078 * 10**(a*T/(b+T))
|
|
|
|
DD = RH / 100.0 * SDD
|
|
v = math.log10(DD/6.1078)
|
|
payload["DEW"] = round(b*v/(a-v), 1)
|
|
payload["AH"] = round(10**5 * 18.016/8314.3 * DD/(T+273.15), 1)
|
|
payload["SDD"] = SDD
|
|
payload["DD"] = DD
|
|
|
|
DD = RH / 80.0 * SDD
|
|
v = math.log10(DD/6.1078)
|
|
payload["DEW80"] = round(b*v/(a-v), 1)
|
|
|
|
DD = RH / 60.0 * SDD
|
|
v = math.log10(DD/6.1078)
|
|
payload["DEW60"] = round(b*v/(a-v), 1)
|
|
|
|
|
|
if not ID in cache:
|
|
cache[ID] = {}
|
|
cache[ID]["count"] = 1
|
|
cache[ID]["payload"] = payload
|
|
cache[ID]["payload"]["tMin"] = T
|
|
cache[ID]["payload"]["tMax"] = T
|
|
else:
|
|
payload["tMin"] = cache[ID]["payload"]["tMin"]
|
|
payload["tMax"] = cache[ID]["payload"]["tMax"]
|
|
if payload["tMin"] > T:
|
|
payload["tMin"] = T
|
|
if payload["tMax"] < T:
|
|
payload["tMax"] = T
|
|
|
|
cache[ID]["payload"] = payload
|
|
|
|
cache[ID]["ts"] = datetime.now()
|
|
cache[ID]["count"] += 1
|
|
|
|
line = u" ID: {:2} ".format(ID);
|
|
line += u'room {:12} '.format(payload["room"][:12] if ("room" in payload) else "---")
|
|
line += u' T: {:5} \u00b0C '.format(payload["T"])
|
|
if "RH" in payload:
|
|
line += 'RH: {:2} % '.format(payload["RH"])
|
|
line += "battery: " + ("LOW " if payload["batlo"] else "OK ")
|
|
line += "init: " + ("true " if payload["init"] else "false ")
|
|
|
|
print('------------------------------------------------------------------------------')
|
|
print(line)
|
|
lock.release()
|
|
|
|
try:
|
|
if influxClient:
|
|
writeInflux(payload)
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
if mqttClient:
|
|
mqttClient.publish('home/lacrosse/'+ payload['ID'], json.dumps(payload))
|
|
except:
|
|
pass
|