rasolar/log_bme280.py

135 lines
3.8 KiB
Python

#!/usr/bin/env python
import numpy as np
import os, serial,time,socket,sys,json
from meas_data import meas_data
# import the server implementation
sensor="bme280"
pathname = os.path.dirname(sys.argv[0])
abspath=os.path.abspath(pathname)
idfile=abspath+"/id.json"
id_conf=0
try:
idf=open(idfile,"r")
id_conf=json.load(idf)['id']
idf.close()
except:
id_conf=0
configfile=abspath+"/config.json"
try:
cf=open(configfile,"r")
except:
cf=open(configfile+".template","r")
log_conf=json.load(cf)
cf.close()
parameter={"device":socket.gethostname(),"deviceid":"FF","mean_count":5,"ring_length":10,"wait":0.5,"cycle":10,"check_last":15,"check_last_shrinking":0.9,"gpg_keyid":"","digits":3,"store_dir":"/home/pi/log/","multiplicator":1000,"sensor":"BME280","sigma":3}
for n in parameter:
if n in log_conf:
parameter[n]=log_conf[n]
bmqtt=False
if "mqtt" in log_conf:
bmqtt=True
lcmq=log_conf['mqtt']
mbroker=""
if 'broker' in lcmq:
mbroker=lcmq['broker']
else:
bmqtt=False
mport=1883
if 'port' in lcmq:
mport=lcmq['port']
# config of bme280 sensor
# use pip install RPi.bme280 for library
meas_types=["temperature","humidity","pressure"]
bbme=False
if sensor in log_conf:
bbme=True
if "enable" in log_conf[sensor]:
if log_conf[sensor]['enable'] == 0:
bbme=False
if bbme:
import smbus2
import bme280
if "port" in log_conf[sensor]:
bme_port=log_conf[sensor]['port']
else:
bme_port=1
if "address" in log_conf[sensor]:
parameter["i2c"]=int(log_conf[sensor]['address'],16)
else:
parameter["i2c"]=0x77
try:
bme_bus=smbus2.SMBus(bme_port)
except:
bbme=False
else:
calibration_params=bme280.load_calibration_params(bme_bus,parameter["i2c"])
bme_sigma=3
for n in parameter:
if n in log_conf[sensor]:
parameter[n]=log_conf[sensor][n]
if "sigma" in log_conf[sensor]:
parameter["sigma"]=int(log_conf[sensor]['sigma'])
if parameter["sigma"] < 1:
parameter["sigma"]=1
bme_cycle=5
if "cycle" in log_conf[sensor]:
bme_cycle=int(log_conf[sensor]['cycle'])
partemp=parameter
partemp["var_name"]="temperature"
bme_temp=meas_data(partemp)
parhum=parameter
parhum["var_name"]="humidity"
bme_hum=meas_data(parhum)
parpress=parameter
parpress["var_name"]="pressure"
bme_press=meas_data(parpress)
if ("mqtt" in log_conf[sensor]) and bmqtt:
bme_temp.set_mqtt(broker=mbroker,port=mport)
bme_hum.set_mqtt(broker=mbroker,port=mport)
bme_press.set_mqtt(broker=mbroker,port=mport)
if "sqlserver" in log_conf:
hostname="localhost"
# if "host" in log_conf['sqlserver']:
# hostname=log_conf['sqlserver']['host']
port=8080
# if "port" in log_conf['sqlserver']:
# port=int(log_conf['sqlserver']['port'])
bme_temp.set_sql(host=hostname,port=port)
bme_hum.set_sql(host=hostname,port=port)
bme_press.set_sql(host=hostname,port=port)
if "opensensemap" in log_conf[sensor]:
osm=log_conf[sensor]['opensensemap']
if "sensebox_id" in osm:
sid=osm['sensebox_id']
if "sensors" in osm:
if "temperature" in osm['sensors']:
bme_temp.set_sensebox(sid,osm['sensors']['temperature'])
if "humidity" in osm['sensors']:
bme_hum.set_sensebox(sid,osm['sensors']['humidity'])
if "pressure" in osm['sensors']:
bme_press.set_sensebox(sid,osm['sensors']['pressure'])
if bbme:
while True:
# read bme280 (temperature, humidity, pressure)
bme_data=bme280.sample(bme_bus,parameter["i2c"],calibration_params)
bme_temp.append(bme_data.temperature)
bme_hum.append(bme_data.humidity)
bme_press.append(bme_data.pressure)
time.sleep(parameter['wait'])
# close the client
print("done")