def __init__(self, local_callsign, local_callsign_id, destination_callsign, destination_id):
"""
The message application object contains all the functions, definitions, and state machines needed to implement a bare-bones text message application using the Faraday command application "experimental RF Packet Forward" functionality."
"""
#Identification Variables
self.local_device_callsign = str(local_callsign).upper()
self.local_device_node_id = int(local_callsign_id)
self.remote_callsign = str(destination_callsign).upper()
self.remote_id = int(destination_id)
#Initialize objects
self.faraday_1 = faradaybasicproxyio.proxyio(self.transmit_proxy_flask_port)
self.faraday_cmd = faradaycommands.faraday_commands()
#Initialize variables
self.destination_callsign = ''
self.destination_id = 0
def __init__(self):
"""
The message application object contains all the functions, definitions, and state machines needed to implement
a bare-bones text message application using the Faraday command application "experimental RF Packet Forward"
functionality."
"""
# Identification Variables
self.local_device_callsign = 'kb1lqc'
self.local_device_node_id = 1
# Initialize objects
self.faraday_Rx = faradaybasicproxyio.proxyio()
self.faraday_Rx_SM = MsgStateMachineRx()
# Initialize variables
# Frame Definitions (Should be combined later with TX?)
self.pkt_datagram_frame = struct.Struct('1B 41s') # Fixed
self.pkt_start = struct.Struct('9s 3B') # Fixed
self.pkt_data = struct.Struct('2B 39s') # Variable Data Length
self.pkt_end = struct.Struct('1B') # Fixed
#Imports - Faraday Specific
from FaradayIO import faradaybasicproxyio
from FaradayIO import faradaycommands
from FaradayIO import telemetryparser
from FaradayIO import cc430radioconfig
import time
#Variables
local_device_callsign = 'REPLACEME' # Should match the connected Faraday unit as assigned in Proxy configuration
local_device_node_id = REPLACEME # Should match the connected Faraday unit as assigned in Proxy configuration
#Start the proxy server after configuring the configuration file correctly
#Setup a Faraday IO object
faraday_1 = faradaybasicproxyio.proxyio()
faraday_cmd = faradaycommands.faraday_commands()
faraday_parser = telemetryparser.TelemetryParse()
############
## Telemetry
############
def get_telemetry():
#Flush old data from UART service port
faraday_1.FlushRxPort(local_device_callsign, local_device_node_id,
faraday_1.TELEMETRY_PORT)
#Command UART Telemetry Update NOW
faraday_1.POST(local_device_callsign, local_device_node_id,
from FaradayIO import deviceconfig
# Global Constants
UART_PORT_APP_COMMAND = 2
# Start logging after importing modules
logging.config.fileConfig('loggingConfig.ini')
logger = logging.getLogger('deviceconfiguration')
# Load Telemetry Configuration from telemetry.ini file
# Should have common file for apps...
deviceConfig = ConfigParser.RawConfigParser()
deviceConfig.read('deviceconfiguration.ini')
# Initialize proxy object
proxy = faradaybasicproxyio.proxyio()
# Initialize faraday command module
faradayCmd = faradaycommands.faraday_commands()
# Initialize Flask microframework
app = Flask(__name__)
@app.route('/', methods=['GET', 'POST'])
def unitconfig():
"""
This function is called when the RESTful API GET or POST call is made to the '/' of the operating port. Querying a
GET will command the local and queried unit's device configuration in Flash memory and return the information as a
JSON dictionary. Issuing a POST will cause the local .INI file configuration to be loaded into the respective units
Flash memory device configuration.
import os
import sys
import time
sys.path.append(
os.path.join(os.path.dirname(__file__), "../../Faraday_Proxy_Tools")
) #Append path to common tutorial FaradayIO module
from FaradayIO import faradaybasicproxyio
from FaradayIO import faradaycommands
#Setup a Faraday IO object
faraday_1 = faradaybasicproxyio.proxyio() #default proxy port
faraday_cmd = faradaycommands.faraday_commands()
while (1):
#Turn LED 1 ON (GREEN)
print "Turning LED 1 ON"
command = faraday_cmd.CommandLocalGPIOLED1On()
faraday_1.POST('REPLACEME', REPLACEME, faraday_1.CMD_UART_PORT, command)
time.sleep(0.5)
#Turn LED 1 OFF
print "Turning LED 1 OFF"
command = faraday_cmd.CommandLocalGPIOLED1Off()
faraday_1.POST('REPLACEME', REPLACEME, faraday_1.CMD_UART_PORT, command)
time.sleep(0.5)
def telemetry_worker(config):
"""
Interface Faraday Proxy to obtain telemtry
This function interfaces the Proxy application via its RESTful interface.
It is a one-way operation as it makes no sense to POST data to proxy for
telemetry to a specific unit with this application.
"""
logger.info('Starting telemetry_worker thread')
# initialize variables
stations = {}
# Initialize proxy object
proxy = faradaybasicproxyio.proxyio()
# Initialize Faraday parser
faradayParser = telemetryparser.TelemetryParse() # Add logger?
# Open configuration file
dbFilename = config.get("DATABASE", "FILENAME")
# Pragmatically create descriptors for each Faraday connected to Proxy
count = config.getint("TELEMETRY", "UNITS")
for num in range(count):
callsign = config.get("TELEMETRY", "UNIT" + str(num) + "CALL").upper()
nodeid = config.get("TELEMETRY", "UNIT" + str(num) + "ID")
stations["UNIT" + str(num) + "CALL"] = callsign
stations["UNIT" + str(num) + "ID"] = nodeid
telemetryDicts[str(callsign) + str(nodeid)] = deque([], maxlen=1000)
# check for data on telemetry port, if True place into deque
while (1):
for radio in range(count):
callsign = stations["UNIT" + str(num) + "CALL"]
nodeid = stations["UNIT" + str(num) + "ID"]
data = proxy.GET(str(callsign), str(nodeid),
int(proxy.TELEMETRY_PORT))
# Iterate through each packet and unpack into dictionary
if data != None:
for item in data:
try:
# Decode BASE64 JSON data packet into
unPackedItem = proxy.DecodeRawPacket(item["data"])
# Unpack packet into datagram elements
datagram = faradayParser.UnpackDatagram(
unPackedItem, False)
# Extract the payload length from payload since padding could be used
telemetryData = faradayParser.ExtractPaddedPacket(
datagram["PayloadData"],
faradayParser.packet_3_len)
# Unpack payload and return a dictionary of telemetry, return tuple and dictionary
parsedTelemetry = faradayParser.UnpackPacket_3(
telemetryData, False)
except ValueError as e:
logger.error("ValueError: " + str(e))
except IndexError as e:
logger.error("IndexError: " + str(e))
except KeyError as e:
logger.error("KeyError: " + str(e))
else:
sqlInsert(parsedTelemetry)
telemetryDicts[str(callsign) +
str(nodeid)].append(parsedTelemetry)
time.sleep(1) # should slow down
