# Demo to show a simple MQTT subscriber to BayEOS Gateway bridge
# Oliver Archner
# 29.07.2015
from bayeosgatewayclient import BayEOSWriter, BayEOSSender
import paho.mqtt.client as mqtt
# BayEOS sender
sender = BayEOSSender(
url='http://bayconf.bayceer.uni-bayreuth.de/gateway/frame/saveFlat',
user='******',
password='******')
sender.start()
# BayEOS writer
writer = BayEOSWriter()
# MQTT connect and subscribe
def on_connect(client, userdata, rc):
print("Connected with result code:{0}".format(rc))
# Subscribe everything
client.subscribe("#")
# MQTT receive and save message
def on_message(client, userdata, msg):
# Expects a payload in csv format like '1.0,2.0,3.0,4.0'
try:
lst = msg.payload.split(',')
writer.save(values=[float(i) for i in lst], origin=str(msg.topic))
"""Reads BayEOS options from a config file."""
from bayeosgatewayclient import BayEOSWriter, BayEOSSender, bayeos_confparser
config = bayeos_confparser('config')
print config
writer = BayEOSWriter(path=config['path'], max_chunk=config['max_chunk'])
sender = BayEOSSender(path=config['path'])
"""Creates an example writer and sender using threads."""
from time import sleep
from bayeosgatewayclient import BayEOSWriter, BayEOSSender
import logging
import tempfile
from os import path
PATH = path.join(tempfile.gettempdir(), 'bayeos-device')
BACKUP_PATH = path.join(tempfile.gettempdir(), 'bayeos-device-backup')
NAME = 'Python-Thread-WithLogging'
URL = 'http://bayconf.bayceer.uni-bayreuth.de/gateway/frame/saveFlat'
writer = BayEOSWriter(PATH, max_time=10, log_level=logging.DEBUG)
writer.save_msg('Writer was started.')
sender = BayEOSSender(PATH,
NAME,
URL,
backup_path=BACKUP_PATH,
log_level=logging.DEBUG)
sender.start()
nr = 0
while True:
writer.save([nr, 3, 20.5])
#writer.flush()
nr += 1
sleep(5)
from mcp3424 import MCP3424
from gpio import GPIO
# gpio pins
ADDR_PINS = [11, 12, 13, 15, 16, 18] # GPIO 17, 18, 27, 22, 23, 24
DATA_PIN = 24 # GPIO 8
EN_PIN = 26 # GPIO 7
# configuration for BayEOSWriter and BayEOSSender
PATH = '/tmp/raspberrypi/'
NAME = 'RaspberryPi'
URL = 'http://bayconf.bayceer.uni-bayreuth.de/gateway/frame/saveFlat'
# instantiate objects of BayEOSWriter and BayEOSSender
writer = BayEOSWriter(PATH)
sender = BayEOSSender(PATH, NAME, URL)
# initialize GPIO Board on Raspberry Pi
gpio = GPIO(ADDR_PINS, EN_PIN, DATA_PIN)
# initialize I2C Bus with sensors
try:
i2c = I2C()
sht21 = SHT21(1)
mcp3424 = MCP3424(i2c.get_smbus())
except IOError as err:
sys.stderr.write(
'I2C Connection Error: ' + str(err) +
'. This must be run as root. Did you use the right device number?')
import tempfile
from os import path
logging.basicConfig(level=logging.INFO,
format="%(asctime)s %(levelname)s:%(message)s")
NAME = 'FramePump'
URL = 'http://localhost:5533/gateway/frame/saveFlat'
USER = '******'
PASSWORD = '******'
PATH = path.join(tempfile.gettempdir(), 'bayeos-device')
BACKUP_PATH = path.join(tempfile.gettempdir(), 'bayeos-device-backup')
writer = BayEOSWriter(PATH, max_time=10, log_level=logging.DEBUG)
writer.save_msg('Writer was started.')
sender = BayEOSSender(PATH,
NAME,
URL,
backup_path=BACKUP_PATH,
log_level=logging.DEBUG,
user=USER,
password=PASSWORD)
sender.start()
nr = 0
while True:
writer.save([nr, 3, 20.5])
writer.flush()
nr += 1
sleep(1)
from time import sleep
from bayeosgatewayclient import BayEOSWriter, BayEOSSender, BayEOSFrame
import logging
import tempfile
from os import path
PATH = path.join(tempfile.gettempdir(),'bayeos-device')
BACKUP_PATH = path.join(tempfile.gettempdir(),'bayeos-device-backup')
NAME = 'Python-SampleFrames'
URL = 'http://bayconf.bayceer.uni-bayreuth.de/gateway/frame/saveFlat'
writer = BayEOSWriter(PATH,max_time=10,log_level=logging.DEBUG)
writer.save_msg('Writer was started.')
sender = BayEOSSender(PATH, NAME, URL,backup_path=BACKUP_PATH)
sender.start()
while True:
data_frame_simple = BayEOSFrame.factory(0x1)
data_frame_simple.create(values=(1, 5, 4), value_type=0x22) # Data Type Integer
writer.save_frame(data_frame_simple.frame)
routed_origin_frame = BayEOSFrame.factory(0xd)
routed_origin_frame.create(origin="RoutedOrigin", nested_frame=data_frame_simple.frame)
writer.save_frame(routed_origin_frame.frame)
sleep(2)
# in the second try - checksum frames are send
# first direct - second nested in routed origin frame
data_frame_simple = BayEOSFrame.factory(0x1)
data_frame_simple.create(values=(2, 5, 4), value_type=0x22) # Data Type Integer
import logging
import tempfile
import logging
import os
from bayeosdevice.device import DeviceController
from bayeosdevice.item import ItemDict
from bayeosgatewayclient import BayEOSWriter, BayEOSSender
NAME = 'MyDevice'
PATH = os.path.join(tempfile.gettempdir(), NAME)
GW = 'http://localhost/gateway/frame/saveFlat'
# Transport
writer = BayEOSWriter(PATH)
sender = BayEOSSender(PATH, NAME, GW)
sender.start()
# Web Interface
values = ItemDict({"cpu1": None, "cpu2": None})
units = {"^cpu": '%', "\w+time$": 'secs'}
actions = ItemDict({"sleep_time": 10, "run": True})
con = DeviceController(values, actions, units, template="custom.html")
con.start()
# Stop handler
def sigterm_handler(_signo, _stack_frame):
logging.info("Stopping device")
if con is not None:
con.stop()
from bayeosgatewayclient import BayEOSWriter, BayEOSSender, bayeos_argparser
# Fetch input arguments
args = bayeos_argparser('This is the text to appear on the command line.')
WRITER_SLEEP = float(args.writer_sleep)
MAX_CHUNK = float(args.max_chunk)
NAME = args.name + '-WS' + str(WRITER_SLEEP) + '-M' + str(MAX_CHUNK)
PATH = args.path + '/' + NAME + '/'
if args.url:
URL = args.url
else:
URL = 'http://bayconf.bayceer.uni-bayreuth.de/gateway/frame/saveFlat'
print 'name to appear in Gateway is', NAME
print 'max-chunk is', MAX_CHUNK, 'byte'
print 'writer sleep time is', WRITER_SLEEP, 'sec'
print 'path to store writer files is', PATH
# init writer and sender
writer = BayEOSWriter(PATH, MAX_CHUNK)
writer.save_msg('Writer was started.')
sender = BayEOSSender(PATH, NAME, URL, 'import', 'import')
sender.start()
# start measurement
while True:
writer.save([time()], value_type=0x21)
sleep(WRITER_SLEEP)
