class modem_listener:
def __init__(self, name, port, rate, verbose):
self.name = name
self.port = port
self.baudrate = rate
self.verbose = verbose
self.modem = None
self.counter = 1
self.pub = rospy.Publisher('dash7', dash7, queue_size=1)
self.pubrate = rospy.Rate(10)
self.location = []
def set_location(self, x, y, z):
self.location = [x, y, z]
def location_broadcast(self, msg):
br = tf.TransformBroadcaster()
br.sendTransform((self.location[0], self.location[1], self.location[2]),
tf.transformations.quaternion_from_euler(0.0, 0.0, 0.0, ),
msg.header.stamp,
self.name,
"base_link")
def received_command_callback(self, cmd):
print cmd
if cmd.interface_status != None:
if cmd.interface_status.operand.interface_id == 215: # 215 is the interface_id that corresponds to DASH7
rospy.loginfo("Received Dash7 message")
message = dash7()
message = self.parse(message, cmd)
self.pub.publish(message)
self.location_broadcast(message)
def parse(self, message, cmd):
rospy.loginfo("Parse Dash7 message")
message.header.stamp = rospy.Time.now()
message.header.frame_id = str(cmd.interface_status.operand.interface_status.addressee.id)
message.rx_address = str(self.modem.uid)
message.tx_address = str(cmd.interface_status.operand.interface_status.addressee.id)
message.rx_level = cmd.interface_status.operand.interface_status.rx_level
message.link_budget = cmd.interface_status.operand.interface_status.link_budget
message.channel_band = cmd.interface_status.operand.interface_status.channel_header.channel_band.name
message.channel_class = cmd.interface_status.operand.interface_status.channel_header.channel_class.name
message.channel_index = cmd.interface_status.operand.interface_status.channel_index
message.counter = self.counter
self.counter += 1
return message
def listen(self):
rospy.loginfo("Port %s with Baudrate %s", self.port, self.baudrate)
while True:
try:
rospy.loginfo('make modem connection')
self.modem = Modem(self.port, self.baudrate, receive_callback=self.received_command_callback, show_logging=self.verbose)
self.modem.start_reading()
while not rospy.is_shutdown():
pass
except Exception, e:
raise e
def setup_modem(self):
# we use Modem here only for reading the modem information, not for parsing.
# reading the bytes from serial (after initial connect) is not done using Modem but overridden here
modem = Modem(self.config.device, self.config.rate, None)
self.serial = modem.dev
self.modem_uid = modem.uid
modem.stop_reading() # so we can read the serial stream ourself
def __init__(self):
self.argparser = argparse.ArgumentParser(
fromfile_prefix_chars="@",
description="Test throughput over 2 serial D7 modems"
)
self.argparser.add_argument("-n", "--msg-count", help="number of messages to transmit", type=int, default=10)
self.argparser.add_argument("-p", "--payload-size", help="number of bytes of (appl level) payload to transmit", type=int, default=50)
self.argparser.add_argument("-sw", "--serial-transmitter", help="serial device /dev file transmitter node", default=None)
self.argparser.add_argument("-sr", "--serial-receiver", help="serial device /dev file receiver node", default=None)
self.argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
self.argparser.add_argument("-uid", "--unicast-uid", help="UID to use for unicast transmission, "
"when not using receiver "
"(in hexstring, for example 0xb57000009151d)", default=None)
self.argparser.add_argument("-to", "--receiver-timeout", help="timeout for the receiver (in seconds)", type=int, default=10)
self.argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
self.config = self.argparser.parse_args()
if self.config.serial_transmitter == None and self.config.serial_receiver == None:
self.argparser.error("At least a transmitter or receiver is required.")
if self.config.serial_receiver == None and self.config.unicast_uid == None:
self.argparser.error("When running without receiver a --unicast-uid parameter is required.")
if self.config.serial_transmitter == None:
self.transmitter_modem = None
print("Running without transmitter")
else:
self.transmitter_modem = Modem(self.config.serial_transmitter, self.config.rate, None, show_logging=self.config.verbose)
access_profile = AccessProfile(
scan_type_is_foreground=True,
csma_ca_mode=CsmaCaMode.UNC,
subnet=03,
scan_automation_period=CT(0),
subbands=[Subband(
channel_header=ChannelHeader(channel_band=ChannelBand.BAND_433,
channel_coding=ChannelCoding.PN9,
channel_class=ChannelClass.NORMAL_RATE),
channel_index_start=16,
channel_index_end=16,
eirp=10,
ccao=0 # TODO
)
]
)
print("Write Access Profile")
write_ap_cmd = Command.create_with_write_file_action_system_file(file=AccessProfileFile(access_profile=access_profile, access_specifier=0))
self.transmitter_modem.send_command(write_ap_cmd)
if self.config.serial_receiver == None:
self.receiver_modem = None
print("Running without receiver")
else:
self.receiver_modem = Modem(self.config.serial_receiver, self.config.rate, self.receiver_cmd_callback, show_logging=self.config.verbose)
self.receiver_modem.send_command(Command.create_with_write_file_action_system_file(DllConfigFile(active_access_class=2)))
print("Receiver scanning on Access Class = 2")
def __init__(self):
self.argparser = argparse.ArgumentParser(
fromfile_prefix_chars="@",
description="Test throughput over 2 serial D7 modems"
)
self.argparser.add_argument("-n", "--msg-count", help="number of messages to transmit", type=int, default=10)
self.argparser.add_argument("-p", "--payload-size", help="number of bytes of (appl level) payload to transmit", type=int, default=50)
self.argparser.add_argument("-sw", "--serial-transmitter", help="serial device /dev file transmitter node", default=None)
self.argparser.add_argument("-sr", "--serial-receiver", help="serial device /dev file receiver node", default=None)
self.argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
self.argparser.add_argument("-uid", "--unicast-uid", help="UID to use for unicast transmission, "
"when not using receiver "
"(in hexstring, for example 0xb57000009151d)", default=None)
self.argparser.add_argument("-to", "--receiver-timeout", help="timeout for the receiver (in seconds)", type=int, default=10)
self.argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
self.config = self.argparser.parse_args()
configure_default_logger(self.config.verbose)
if self.config.serial_transmitter == None and self.config.serial_receiver == None:
self.argparser.error("At least a transmitter or receiver is required.")
if self.config.serial_receiver == None and self.config.unicast_uid == None:
self.argparser.error("When running without receiver a --unicast-uid parameter is required.")
if self.config.serial_transmitter == None:
self.transmitter_modem = None
print("Running without transmitter")
else:
self.transmitter_modem = Modem(self.config.serial_transmitter, self.config.rate, None)
access_profile = AccessProfile(
channel_header=ChannelHeader(channel_band=ChannelBand.BAND_868,
channel_coding=ChannelCoding.PN9,
channel_class=ChannelClass.NORMAL_RATE),
sub_profiles=[SubProfile(subband_bitmap=0x01, scan_automation_period=CT(exp=0, mant=0)), SubProfile(), SubProfile(), SubProfile()],
sub_bands=[SubBand(
channel_index_start=0,
channel_index_end=0,
eirp=10,
cca=86 # TODO
)]
)
print("Write Access Profile")
write_ap_cmd = Command.create_with_write_file_action_system_file(file=AccessProfileFile(access_profile=access_profile, access_specifier=0))
self.transmitter_modem.execute_command(write_ap_cmd, timeout_seconds=1)
if self.config.serial_receiver == None:
self.receiver_modem = None
print("Running without receiver")
else:
self.receiver_modem = Modem(self.config.serial_receiver, self.config.rate, self.receiver_cmd_callback)
self.receiver_modem.execute_command(Command.create_with_write_file_action_system_file(DllConfigFile(active_access_class=0x01)), timeout_seconds=1)
print("Receiver scanning on Access Class = 0x01")
def listen(self):
rospy.loginfo("Port %s with Baudrate %s", self.port, self.baudrate)
while True:
try:
rospy.loginfo('make modem connection')
self.modem = Modem(self.port, self.baudrate, receive_callback=self.received_command_callback, show_logging=self.verbose)
self.modem.start_reading()
while not rospy.is_shutdown():
pass
except Exception, e:
raise e
def on_connect():
global modem
if modem == None:
modem = Modem(config.device, config.rate, command_received_callback)
modem.start_reading()
print("modem: " + str(modem.uid))
emit('module_info', {
'uid': hex(modem.uid),
'application_name': modem.firmware_version.application_name,
'git_sha1': modem.firmware_version.git_sha1,
'd7ap_version': modem.firmware_version.d7ap_version
}, broadcast=True)
def on_connect():
global modem
if modem == None:
modem = Modem(config.device, config.rate, command_received_callback)
modem.connect()
logging.info("modem: " + str(modem.uid))
emit('module_info', {
'uid': modem.uid,
'application_name': modem.firmware_version.application_name,
'git_sha1': modem.firmware_version.git_sha1,
'd7ap_version': modem.firmware_version.d7ap_version
},
broadcast=True)
def __init__(self):
self.logs = []
self.command = ""
self.counter = 0
argparser = argparse.ArgumentParser()
argparser.add_argument("-s",
"--serial",
help="serial device /dev file",
default="/dev/tty.usbserial-FTGCT0HY")
argparser.add_argument("-b",
"--baudrate",
help="baudrate for serial device",
type=int,
default=115200)
config = argparser.parse_args()
self.modem = Modem(config.serial, config.baudrate, show_logging=False)
self.setup_screen()
def __init__(self):
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyACM0")
argparser.add_argument("-di", "--device-id", help="gateway device-id", required=True)
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
argparser.add_argument("-b", "--broker", help="mqtt broker hostname",
default="localhost")
argparser.add_argument("-t", "--topic", help="mqtt topic",
default="/gw/{}")
self.serial = None
self.modem_uid = None
self.bridge_count = 0
self.next_report = 0
self.config = argparser.parse_args()
configure_default_logger(self.config.verbose)
self.modem = Modem(self.config.device, self.config.rate, self.on_command_received, skip_alp_parsing=True)
self.modem.connect()
self.connect_to_mqtt()
def __init__(self):
self.logs = []
self.command = ""
self.counter = 0
argparser = argparse.ArgumentParser()
argparser.add_argument("-s", "--serial", help="serial device /dev file",
default="/dev/tty.usbserial-FTGCT0HY")
argparser.add_argument("-b", "--baudrate", help="baudrate for serial device",
type=int, default=115200)
config = argparser.parse_args()
self.modem = Modem(config.serial, config.baudrate, show_logging=False)
self.setup_screen()
from d7a.alp.command import Command
from d7a.alp.interface import InterfaceType
from d7a.d7anp.addressee import Addressee, IdType
from d7a.sp.configuration import Configuration
from d7a.sp.qos import QoS
from d7a.system_files.uid import UidFile
from modem.modem import Modem
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyUSB0")
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
config = argparser.parse_args()
modem = Modem(config.device, config.rate)
modem.d7asp_fifo_flush(
alp_command=Command.create_with_read_file_action_system_file(
file=UidFile(),
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=QoS.RESP_MODE_NO),
addressee=Addressee(
access_class=0,
id_type=IdType.BCAST
)
)
)
)
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyUSB0")
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
argparser.add_argument("-c", "--channel-id", help="for example 868LP000 ; format FFFRCIII where FFF={433, 868, 915}, R={L, N, H, R (LORA)}, C={P (PN9), F (FEC), C (CW)} III=000...280", default="868LP000")
argparser.add_argument("-e", "--eirp", help="EIRP in dBm", type=int, default=14)
argparser.add_argument("-s", "--specifier", help="specifier for access profile. Default 0 is continuous scan, 1 is bg scan, 2+ is no scan", type=int, default=0)
argparser.add_argument("-sp", "--scan_automation_period", help="period in ms of scanning (786 ~ total 1 sec), 0 is continuous scan ", type=int, default=0)
argparser.add_argument("-sb", "--subband_bitmap", help="subband bitmap of subprofiles, 0 is default, 1 is scanning", type=int, default=0)
config = argparser.parse_args()
configure_default_logger(config.verbose)
ch = ChannelID.from_string(config.channel_id)
modem = Modem(config.device, config.rate, unsolicited_response_received_callback=received_command_callback)
modem.connect()
channel_header = ChannelHeader(
channel_class=ch.channel_header.channel_class,
channel_coding=ch.channel_header.channel_coding,
channel_band=ch.channel_header.channel_band
)
access_profile = AccessProfile(
channel_header=channel_header,
sub_profiles=[SubProfile(subband_bitmap=config.subband_bitmap, scan_automation_period=CT.compress(config.scan_automation_period))] * 4,
sub_bands=[SubBand(eirp=config.eirp, channel_index_start=ch.channel_index, channel_index_end=ch.channel_index)] * 8
)
modem.execute_command(
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
argparser.add_argument(
"-f",
"--file_id",
help="File where we're writing the interface configuration",
default=0x1D)
argparser.add_argument("-t", "--timeout", help="timeout", type=int, default=0)
config = argparser.parse_args()
configure_default_logger(config.verbose)
modem = Modem(config.device,
config.rate,
unsolicited_response_received_callback=received_command_callback)
modem.connect()
# D7 Example
interface_file = InterfaceConfigurationFile(
interface_configuration=InterfaceConfiguration(
interface_id=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_PREFERRED,
retry_mod=RetryMode.RETRY_MODE_NO,
stop_on_err=False,
record=False),
dorm_to=CT(),
addressee=Addressee(nls_method=NlsMethod.NONE,
id_type=IdType.UID,
from d7a.d7anp.addressee import Addressee, IdType
from d7a.sp.configuration import Configuration
from d7a.sp.qos import QoS
from d7a.system_files.uid import UidFile
from modem.modem import Modem
argparser = argparse.ArgumentParser()
argparser.add_argument("-s", "--serial", help="serial device /dev file",
default="/dev/tty.usbserial-FTGCT0HY")
argparser.add_argument("-b", "--baudrate", help="baudrate for serial device",
type=int, default=115200)
config = argparser.parse_args()
modem = Modem(config.serial, config.baudrate, show_logging=False)
cmd = Command.create_with_return_file_data_action(
file_id=0x40,
data=[1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=QoS.RESP_MODE_NO),
addressee=Addressee(
access_class=0,
id_type=IdType.BCAST
)
)
)
last_message = 0
def __init__(self):
argparser = argparse.ArgumentParser()
argparser.add_argument("-d",
"--device",
help="serial device /dev file modem",
default="/dev/ttyACM0")
argparser.add_argument("-r",
"--rate",
help="baudrate for serial device",
type=int,
default=115200)
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
argparser.add_argument("-t",
"--token",
help="Access token for the TB gateway",
required=True)
argparser.add_argument("-tb",
"--thingsboard",
help="Thingsboard hostname/IP",
default="localhost")
argparser.add_argument("-p",
"--plugin-path",
help="path where plugins are stored",
default="")
argparser.add_argument("-bp",
"--broker-port",
help="mqtt broker port",
default="1883")
argparser.add_argument(
"-l",
"--logfile",
help="specify path if you want to log to file instead of to stdout",
default="")
argparser.add_argument(
"-k",
"--keep-data",
help=
"Save data locally when Thingsboard is disconnected and send it when connection is restored.",
default=True)
argparser.add_argument(
"-b",
"--save-bandwidth",
help="Send data in binary format to save bandwidth",
action="store_true")
argparser.add_argument("-sf",
"--skip-system-files",
help="Do not read system files on boot",
action="store_true")
self.bridge_count = 0
self.next_report = 0
self.config = argparser.parse_args()
self.log = logging.getLogger()
formatter = logging.Formatter(
'%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
if self.config.logfile == "":
handler = logging.StreamHandler()
else:
handler = logging.FileHandler(self.config.logfile)
handler.setFormatter(formatter)
self.log.addHandler(handler)
self.log.setLevel(logging.INFO)
if self.config.verbose:
self.log.setLevel(logging.DEBUG)
self.tb = Thingsboard(self.config.thingsboard,
self.config.token,
self.on_mqtt_message,
persistData=self.config.keep_data)
if self.config.plugin_path != "":
self.load_plugins(self.config.plugin_path)
self.modem = Modem(self.config.device, self.config.rate,
self.on_command_received,
self.config.save_bandwidth)
connected = self.modem.connect()
while not connected:
try:
self.log.warning("Not connected to modem, retrying ...")
time.sleep(1)
connected = self.modem.connect()
except KeyboardInterrupt:
self.log.info("received KeyboardInterrupt... stopping")
self.tb.disconnect()
exit(-1)
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value,
exc_traceback)
trace = "".join(lines)
self.log.error(
"Exception while connecting modem: \n{}".format(trace))
# switch to continuous foreground scan access profile
self.modem.execute_command(
Command.create_with_write_file_action_system_file(
DllConfigFile(active_access_class=0x01)),
timeout_seconds=1)
if self.config.save_bandwidth:
self.log.info("Running in save bandwidth mode")
if self.config.plugin_path is not "":
self.log.warning(
"Save bandwidth mode is enabled, plugin files will not be used"
)
# update attribute containing git rev so we can track revision at TB platform
git_sha = subprocess.check_output(["git", "describe",
"--always"]).strip()
ip = self.get_ip()
self.tb.sendGwAttributes({
'UID': self.modem.uid,
'git-rev': git_sha,
'IP': ip,
'save bw': str(self.config.save_bandwidth)
})
self.log.info("Running on {} with git rev {} using modem {}".format(
ip, git_sha, self.modem.uid))
# read all system files on the local node to store as attributes on TB
if not self.config.skip_system_files:
self.log.info("Reading all system files ...")
for file in SystemFiles().files.values():
self.modem.execute_command_async(
Command.create_with_read_file_action_system_file(file))
#!/usr/bin/env python3
import logging
# import signal
import sys
from challenge_status import ChallengeState
from modem import modem_io
from modem.modem import Modem
logging.basicConfig(level=logging.CRITICAL)
# s = signal.signal(signal.SIGINT, signal.SIG_IGN)
# Having the call here is only necessary for debug
ChallengeState.get()
print("Connected to /dev/ttyACM0")
sys.stdout.flush()
try:
modem = Modem(modem_io.ConsoleIO())
modem.run()
except KeyboardInterrupt:
raise
except:
sys.exit(1)
# signal.signal(signal.SIGINT, s)
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
argparser.add_argument("-t",
"--temperature",
help="temperature threshold value (in degrees C)",
type=float,
default=0)
config = argparser.parse_args()
configure_default_logger(config.verbose)
modem = Modem(config.device,
config.rate,
unsolicited_response_received_callback=received_command_callback)
modem.connect()
# command to be executed as an action: first do an arithmetic comparison of the sensor value with the supplied value...
query_sensor_file_cmd = Command(generate_tag_request_action=False)
query_sensor_file_cmd.add_action(
RegularAction(operation=BreakQuery(operand=QueryOperand(
type=QueryType.ARITH_COMP_WITH_VALUE,
mask_present=False,
params=ArithQueryParams(signed_data_type=False,
comp_type=ArithComparisonType.GREATER_THAN),
compare_length=Length(2),
compare_value=[
ord(b) for b in struct.pack(">H", int(config.temperature * 10))
],
import argparse
from d7a.alp.command import Command
from d7a.alp.interface import InterfaceType
from d7a.d7anp.addressee import Addressee, IdType
from d7a.sp.configuration import Configuration
from d7a.sp.qos import QoS, ResponseMode
from d7a.system_files.uid import UidFile
from modem.modem import Modem
# This example can be used with a node running the gateway app included in OSS-7.
# The gateway is continuously listening for foreground frames.
# Messages pushed by other nodes (running for example the sensor_push app) will be received by the gateway node,
# transmitted over serial and the received_command_callback() function below will be called.
def received_command_callback(cmd):
print cmd
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyUSB0")
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
config = argparser.parse_args()
modem = Modem(config.device, config.rate, unsolicited_response_received_callback=received_command_callback, show_logging=config.verbose)
while True:
pass
class ChatClient(object):
def __init__(self):
self.logs = []
self.command = ""
self.counter = 0
argparser = argparse.ArgumentParser()
argparser.add_argument("-s", "--serial", help="serial device /dev file",
default="/dev/tty.usbserial-FTGCT0HY")
argparser.add_argument("-b", "--baudrate", help="baudrate for serial device",
type=int, default=115200)
config = argparser.parse_args()
self.modem = Modem(config.serial, config.baudrate, show_logging=False)
self.setup_screen()
def setup_screen(self):
self.screen = curses.initscr()
curses.noecho() # no echo, we will render it
curses.cbreak() #
curses.curs_set(0) # hide cursor, we will fake it with inverted space
curses.halfdelay(1) # wait for 1/10 second when waiting for input
self.screen.keypad(1)
self.setup()
def setup(self):
(self.height, self.width) = self.screen.getmaxyx()
self.setup_viewer_window()
self.setup_prompt()
self.refresh_logger_window()
self.refresh_prompt()
def setup_viewer_window(self):
# create a pad, taking up the entire window, but the last two lines
self.logger = curses.newpad(self.height-1, self.width)
def setup_prompt(self):
# create a window, taking up the entire window, but the last two lines
self.prompt = curses.newpad(2, self.width)
name = "ChatClient"
self.prompt.addstr(0, 0, name + " " * (self.width-len(name)), curses.A_REVERSE)
self.prompt.addstr(1, 0, "> ")
self.update_command()
def update_command(self):
w = len(self.command)
self.prompt.addstr(1, 2, self.command)
self.prompt.addstr(1, 2 + w, " ", curses.A_REVERSE) # cursor
self.prompt.addstr(1, 3 + w, " " * (self.width - 4 - w))
self.refresh_prompt()
def clean_up(self, msg=""):
self.clean_up_screen()
def clean_up_screen(self):
curses.nocbreak();
self.screen.keypad(0);
curses.echo()
curses.endwin()
def add(self, text, style=curses.A_NORMAL):
text = text.replace('\0', '')
self.logs.append({ "text": text, "style": style})
self.refresh_logger_window()
def log(self, *msg):
string = " ".join(map(str, msg))
for line in string.splitlines():
self.add(line)
def refresh_logger_window(self):
(height, width) = self.screen.getmaxyx()
self.logger.erase()
for y, line in enumerate(self.logs[-height+2:]):
self.logger.addstr(y, 0, line["text"], line["style"])
self.logger.refresh(0, 0, 0, 0, height-3, width)
def refresh_prompt(self):
(height, width) = self.screen.getmaxyx()
self.prompt.refresh(0, 0, height-2, 0, height, width)
def process(self):
while True:
# handle input from user
self.handle_input()
# Read from D7 modem and decode packets/commands
(cmds, info) = self.modem.read()
if len(info["errors"]) < 1:
if len(cmds) > 0:
origin = cmds[0].interface_status.operation.operand.interface_status.addressee.id
data = cmds[0].actions[0].operation.operand.data
self.add(str(origin) + ": " + ''.join(map(str, data)))
def handle_input(self):
c = self.prompt.getch()
if c == curses.ERR: return
elif c == curses.KEY_RESIZE:
self.setup()
elif c == curses.ascii.DEL or c == curses.ascii.BS:
self.command = self.command[:-1]
elif c == ord('\n'):
self.send()
self.command = ""
else:
self.command += chr(c)
self.update_command()
def send(self):
cmd = Command.create_with_return_file_data_action(
file_id=0x40,
data=map(ord, list(self.command)),
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=QoS.RESP_MODE_NO),
addressee=Addressee(
access_class=0,
id_type=IdType.BCAST
)
)
)
self.modem.d7asp_fifo_flush(alp_command=cmd)
self.add("me: " + self.command, curses.A_REVERSE)
from util.logger import configure_default_logger
def received_command_callback(cmd):
logging.info(cmd)
if cmd.execution_completed:
sys.exit(0)
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyUSB0")
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
config = argparser.parse_args()
configure_default_logger(config.verbose)
modem = Modem(config.device, config.rate, unsolicited_response_received_callback=received_command_callback)
modem.connect()
answers = modem.execute_command(
alp_command=Command.create_with_read_file_action_system_file(
file=PhyStatusFile(channel_status_list_length=10)
)
)
for answer in answers:
logging.info("answer is {}".format(answer.__str__()))
class Modem2Mqtt():
def __init__(self):
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyACM0")
argparser.add_argument("-di", "--device-id", help="gateway device-id", required=True)
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
argparser.add_argument("-b", "--broker", help="mqtt broker hostname",
default="localhost")
argparser.add_argument("-t", "--topic", help="mqtt topic",
default="/gw/{}")
self.serial = None
self.modem_uid = None
self.bridge_count = 0
self.next_report = 0
self.config = argparser.parse_args()
configure_default_logger(self.config.verbose)
self.modem = Modem(self.config.device, self.config.rate, self.on_command_received, skip_alp_parsing=True)
self.modem.connect()
self.connect_to_mqtt()
def connect_to_mqtt(self):
self.connected_to_mqtt = False
self.mq = mqtt.Client("", True, None, mqtt.MQTTv31)
self.mq.on_connect = self.on_mqtt_connect
self.mq.on_message = self.on_mqtt_message
self.mqtt_topic_incoming = self.config.topic.format(self.config.device_id)
#self.mqtt_topic_outgoing = self.config.topic.format(self.modem_uid)
self.mq.connect(self.config.broker, 1883, 60)
self.mq.loop_start()
while not self.connected_to_mqtt: pass # busy wait until connected
logging.info("Connected to MQTT broker on {}, sending to topic {}".format(
self.config.broker,
self.mqtt_topic_incoming
))
def on_mqtt_connect(self, client, config, flags, rc):
#self.mq.subscribe(self.mqtt_topic_outgoing)
self.connected_to_mqtt = True
def on_mqtt_message(self, client, config, msg):
logging.info("on_message") # TODO
# try: self.handle_msg(msg.topic, msg.payload)
# except:
# exc_type, exc_value, exc_traceback = sys.exc_info()
# lines = traceback.format_exception(exc_type, exc_value, exc_traceback)
# trace = "".join(lines)
# self.log("failed to handle incoming message:", msg.payload, trace)
def publish_to_mqtt(self, msg):
self.mq.publish(self.mqtt_topic_incoming, msg)
def __del__(self): # pragma: no cover
try:
self.mq.loop_stop()
self.mq.disconnect()
except: pass
def on_command_received(self, cmd):
try:
logging.info("Command received: binary ALP (size {})".format(len(cmd)))
# publish raw ALP command to incoming ALP topic, we will not parse the file contents here (since we don't know how)
# so pass it as an opaque BLOB for parsing in backend
self.publish_to_mqtt(bytearray(cmd))
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value, exc_traceback)
trace = "".join(lines)
logging.error("Exception while processing command: \n{}".format(trace))
def run(self):
logging.info("Started")
keep_running = True
while keep_running:
try:
if platform.system() == "Windows":
time.sleep(1)
else:
signal.pause()
except KeyboardInterrupt:
logging.info("received KeyboardInterrupt... stopping processing")
keep_running = False
self.report_stats()
def keep_stats(self):
self.bridge_count += 1
def report_stats(self):
if self.next_report < time.time():
if self.bridge_count > 0:
logging.info("bridged %s messages" % str(self.bridge_count))
self.bridge_count = 0
self.next_report = time.time() + 15 # report at most every 15 seconds
help="serial device /dev file modem",
default="/dev/ttyACM1")
argparser.add_argument("-r",
"--rate",
help="baudrate for serial device",
type=int,
default=115200)
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
config = argparser.parse_args()
modem = Modem(config.device,
config.rate,
receive_callback=received_command_callback,
show_logging=config.verbose)
modem.d7asp_fifo_flush(
alp_command=Command.create_with_read_file_action_system_file(
file=UidFile(),
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ALL),
addressee=Addressee(access_class=0x01, id_type=IdType.NOID))))
modem.start_reading()
while True:
pass
class Gateway:
def __init__(self):
argparser = argparse.ArgumentParser()
argparser.add_argument("-d",
"--device",
help="serial device /dev file modem",
default="/dev/ttyACM0")
argparser.add_argument("-r",
"--rate",
help="baudrate for serial device",
type=int,
default=115200)
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
argparser.add_argument("-t",
"--token",
help="Access token for the TB gateway",
required=True)
argparser.add_argument("-tb",
"--thingsboard",
help="Thingsboard hostname/IP",
default="localhost")
argparser.add_argument("-p",
"--plugin-path",
help="path where plugins are stored",
default="")
argparser.add_argument("-bp",
"--broker-port",
help="mqtt broker port",
default="1883")
argparser.add_argument(
"-l",
"--logfile",
help="specify path if you want to log to file instead of to stdout",
default="")
argparser.add_argument(
"-k",
"--keep-data",
help=
"Save data locally when Thingsboard is disconnected and send it when connection is restored.",
default=True)
argparser.add_argument(
"-b",
"--save-bandwidth",
help="Send data in binary format to save bandwidth",
action="store_true")
argparser.add_argument("-sf",
"--skip-system-files",
help="Do not read system files on boot",
action="store_true")
self.bridge_count = 0
self.next_report = 0
self.config = argparser.parse_args()
self.log = logging.getLogger()
formatter = logging.Formatter(
'%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
if self.config.logfile == "":
handler = logging.StreamHandler()
else:
handler = logging.FileHandler(self.config.logfile)
handler.setFormatter(formatter)
self.log.addHandler(handler)
self.log.setLevel(logging.INFO)
if self.config.verbose:
self.log.setLevel(logging.DEBUG)
self.tb = Thingsboard(self.config.thingsboard,
self.config.token,
self.on_mqtt_message,
persistData=self.config.keep_data)
if self.config.plugin_path != "":
self.load_plugins(self.config.plugin_path)
self.modem = Modem(self.config.device, self.config.rate,
self.on_command_received,
self.config.save_bandwidth)
connected = self.modem.connect()
while not connected:
try:
self.log.warning("Not connected to modem, retrying ...")
time.sleep(1)
connected = self.modem.connect()
except KeyboardInterrupt:
self.log.info("received KeyboardInterrupt... stopping")
self.tb.disconnect()
exit(-1)
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value,
exc_traceback)
trace = "".join(lines)
self.log.error(
"Exception while connecting modem: \n{}".format(trace))
# switch to continuous foreground scan access profile
self.modem.execute_command(
Command.create_with_write_file_action_system_file(
DllConfigFile(active_access_class=0x01)),
timeout_seconds=1)
if self.config.save_bandwidth:
self.log.info("Running in save bandwidth mode")
if self.config.plugin_path is not "":
self.log.warning(
"Save bandwidth mode is enabled, plugin files will not be used"
)
# update attribute containing git rev so we can track revision at TB platform
git_sha = subprocess.check_output(["git", "describe",
"--always"]).strip()
ip = self.get_ip()
self.tb.sendGwAttributes({
'UID': self.modem.uid,
'git-rev': git_sha,
'IP': ip,
'save bw': str(self.config.save_bandwidth)
})
self.log.info("Running on {} with git rev {} using modem {}".format(
ip, git_sha, self.modem.uid))
# read all system files on the local node to store as attributes on TB
if not self.config.skip_system_files:
self.log.info("Reading all system files ...")
for file in SystemFiles().files.values():
self.modem.execute_command_async(
Command.create_with_read_file_action_system_file(file))
def load_plugins(self, plugin_path):
self.log.info("Searching for plugins in path %s" % plugin_path)
manager = PluginManagerSingleton.get()
manager.setPluginPlaces([plugin_path])
manager.collectPlugins()
for plugin in manager.getAllPlugins():
self.log.info("Loading plugin '%s'" % plugin.name)
def on_command_received(self, cmd):
try:
if self.config.save_bandwidth:
self.log.info("Command received: binary ALP (size {})".format(
len(cmd)))
else:
self.log.info("Command received: {}".format(cmd))
ts = int(round(time.time() * 1000))
# publish raw ALP command to incoming ALP topic, we will not parse the file contents here (since we don't know how)
# so pass it as an opaque BLOB for parsing in backend
if self.config.save_bandwidth:
self.tb.sendGwAttributes({
'alp':
binascii.hexlify(bytearray(cmd)),
'last_seen':
str(datetime.now().strftime("%y-%m-%d %H:%M:%S"))
})
return
self.tb.sendGwAttributes({
'alp':
jsonpickle.encode(cmd),
'last_seen':
str(datetime.now().strftime("%y-%m-%d %H:%M:%S"))
})
node_id = self.modem.uid # overwritten below with remote node ID when received over D7 interface
# parse link budget (when this is received over D7 interface) and publish separately so we can visualize this in TB
if cmd.interface_status != None and cmd.interface_status.operand.interface_id == 0xd7:
interface_status = cmd.interface_status.operand.interface_status
node_id = '{:x}'.format(interface_status.addressee.id)
linkBudget = interface_status.link_budget
rxLevel = interface_status.rx_level
lastConnect = "D7-" + interface_status.get_short_channel_string(
)
self.tb.sendDeviceTelemetry(node_id, ts, {
'lb': linkBudget,
'rx': rxLevel
})
self.tb.sendDeviceAttributes(node_id, {
'last_conn': lastConnect,
'last_gw': self.modem.uid
})
# store returned file data as attribute on the device
for action in cmd.actions:
if type(action.operation) is ReturnFileData:
data = ""
if action.operation.file_data_parsed is not None:
if not self.config.save_bandwidth:
# for known system files we transmit the parsed data
data = jsonpickle.encode(
action.operation.file_data_parsed)
file_id = "File {}".format(
action.operand.offset.id)
self.tb.sendGwAttributes({file_id: data})
else:
# try if plugin can parse this file
parsed_by_plugin = False
if not self.config.save_bandwidth:
for plugin in PluginManagerSingleton.get(
).getAllPlugins():
for name, value, datapoint_type in plugin.plugin_object.parse_file_data(
action.operand.offset,
action.operand.length,
action.operand.data):
parsed_by_plugin = True
if isinstance(value, int) or isinstance(
value, float):
self.tb.sendDeviceTelemetry(
node_id, ts, {name: value})
else:
self.tb.sendDeviceAttributes(
node_id, {name: value})
if not parsed_by_plugin:
# unknown file content, just transmit raw data
data = jsonpickle.encode(action.operand)
filename = "File {}".format(
action.operand.offset.id)
if action.operation.systemfile_type != None:
filename = "File {} ({})".format(
SystemFileIds(
action.operand.offset.id).name,
action.operand.offset.id)
self.tb.sendDeviceAttributes(
node_id, {filename: data})
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value,
exc_traceback)
trace = "".join(lines)
self.log.error(
"Exception while processing command: \n{}".format(trace))
def on_mqtt_message(self, client, config, msg):
try:
payload = json.loads(msg.payload)
uid = payload['device']
method = payload['data']['method']
request_id = payload['data']['id']
self.log.info(
"Received RPC command of type {} for {} (request id {})".
format(method, uid, request_id))
# if uid != self.modem.uid:
# self.log.info("RPC command not for this modem ({}), skipping".format(self.modem.uid))
# return
if method == "execute-alp-async":
try:
cmd = payload['data']['params']
self.log.info("Received command through RPC: %s" % cmd)
self.modem.execute_command_async(cmd)
self.log.info("Executed ALP command through RPC")
# TODO when the command is writing local files we could read them again automatically afterwards, to make sure the digital twin is updated
except Exception as e:
self.log.exception("Could not deserialize: %s" % e)
elif method == "alert":
# TODO needs refactoring so different methods can be supported in a plugin, for now this is very specific case as an example
self.log.info("Alert (payload={})".format(msg.payload))
if msg.payload != "true" and msg.payload != "false":
self.log.info("invalid payload, skipping")
return
file_data = 0
if msg.payload == "true":
file_data = 1
self.log.info("writing alert file")
self.modem.execute_command_async(
Command.create_with_write_file_action(
file_id=0x60,
offset=4,
data=[file_data],
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ALL),
addressee=Addressee(access_class=0x11,
id_type=IdType.NOID))))
else:
self.log.info("RPC method not supported, skipping")
return
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value,
exc_traceback)
trace = "".join(lines)
msg_info = "no msg info (missing __dict__ attribute)" # TODO because of out of date paho??
if hasattr(msg, '__dict__'):
msg_info = str(msg.__dict__)
self.log.error(
"Exception while processing MQTT message: {} callstack:\n{}".
format(msg_info, trace))
def run(self):
self.log.info("Started")
keep_running = True
while keep_running:
try:
if platform.system() == "Windows":
time.sleep(1)
else:
signal.pause()
except KeyboardInterrupt:
self.log.info(
"received KeyboardInterrupt... stopping processing")
self.tb.disconnect()
keep_running = False
self.report_stats()
def keep_stats(self):
self.bridge_count += 1
def report_stats(self):
if self.next_report < time.time():
if self.bridge_count > 0:
self.log.info("bridged %s messages" % str(self.bridge_count))
self.bridge_count = 0
self.next_report = time.time(
) + 15 # report at most every 15 seconds
def get_ip(self):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
# doesn't even have to be reachable
s.connect(('10.255.255.255', 1))
IP = s.getsockname()[0]
except:
IP = '127.0.0.1'
finally:
s.close()
return IP
from d7a.sp.qos import QoS, ResponseMode
from d7a.system_files.uid import UidFile
from modem.modem import Modem
def received_command_callback(cmd):
print cmd
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyUSB0")
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
config = argparser.parse_args()
modem = Modem(config.device, config.rate, receive_callback=received_command_callback, show_logging=config.verbose)
modem.d7asp_fifo_flush(
alp_command=Command.create_with_read_file_action_system_file(
file=UidFile(),
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ALL),
addressee=Addressee(
access_class=0,
id_type=IdType.NOID
)
)
)
)
modem.start_reading()
class ChatClient(object):
def __init__(self):
self.logs = []
self.command = ""
self.counter = 0
argparser = argparse.ArgumentParser()
argparser.add_argument("-s",
"--serial",
help="serial device /dev file",
default="/dev/tty.usbserial-FTGCT0HY")
argparser.add_argument("-b",
"--baudrate",
help="baudrate for serial device",
type=int,
default=115200)
config = argparser.parse_args()
self.modem = Modem(config.serial, config.baudrate, show_logging=False)
self.setup_screen()
def setup_screen(self):
self.screen = curses.initscr()
curses.noecho() # no echo, we will render it
curses.cbreak() #
curses.curs_set(0) # hide cursor, we will fake it with inverted space
curses.halfdelay(1) # wait for 1/10 second when waiting for input
self.screen.keypad(1)
self.setup()
def setup(self):
(self.height, self.width) = self.screen.getmaxyx()
self.setup_viewer_window()
self.setup_prompt()
self.refresh_logger_window()
self.refresh_prompt()
def setup_viewer_window(self):
# create a pad, taking up the entire window, but the last two lines
self.logger = curses.newpad(self.height - 1, self.width)
def setup_prompt(self):
# create a window, taking up the entire window, but the last two lines
self.prompt = curses.newpad(2, self.width)
name = "ChatClient"
self.prompt.addstr(0, 0, name + " " * (self.width - len(name)),
curses.A_REVERSE)
self.prompt.addstr(1, 0, "> ")
self.update_command()
def update_command(self):
w = len(self.command)
self.prompt.addstr(1, 2, self.command)
self.prompt.addstr(1, 2 + w, " ", curses.A_REVERSE) # cursor
self.prompt.addstr(1, 3 + w, " " * (self.width - 4 - w))
self.refresh_prompt()
def clean_up(self, msg=""):
self.clean_up_screen()
def clean_up_screen(self):
curses.nocbreak()
self.screen.keypad(0)
curses.echo()
curses.endwin()
def add(self, text, style=curses.A_NORMAL):
text = text.replace('\0', '')
self.logs.append({"text": text, "style": style})
self.refresh_logger_window()
def log(self, *msg):
string = " ".join(map(str, msg))
for line in string.splitlines():
self.add(line)
def refresh_logger_window(self):
(height, width) = self.screen.getmaxyx()
self.logger.erase()
for y, line in enumerate(self.logs[-height + 2:]):
self.logger.addstr(y, 0, line["text"], line["style"])
self.logger.refresh(0, 0, 0, 0, height - 3, width)
def refresh_prompt(self):
(height, width) = self.screen.getmaxyx()
self.prompt.refresh(0, 0, height - 2, 0, height, width)
def process(self):
while True:
# handle input from user
self.handle_input()
# Read from D7 modem and decode packets/commands
(cmds, info) = self.modem.read()
if len(info["errors"]) < 1:
if len(cmds) > 0:
origin = cmds[
0].interface_status.operation.operand.interface_status.addressee.id
data = cmds[0].actions[0].operation.operand.data
self.add(str(origin) + ": " + ''.join(map(str, data)))
def handle_input(self):
c = self.prompt.getch()
if c == curses.ERR: return
elif c == curses.KEY_RESIZE:
self.setup()
elif c == curses.ascii.DEL or c == curses.ascii.BS:
self.command = self.command[:-1]
elif c == ord('\n'):
self.send()
self.command = ""
else:
self.command += chr(c)
self.update_command()
def send(self):
cmd = Command.create_with_return_file_data_action(
file_id=0x40,
data=map(ord, list(self.command)),
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=QoS.RESP_MODE_NO),
addressee=Addressee(access_class=0, id_type=IdType.BCAST)))
self.modem.d7asp_fifo_flush(alp_command=cmd)
self.add("me: " + self.command, curses.A_REVERSE)
count = 0
argparser = argparse.ArgumentParser()
argparser.add_argument("-d",
"--device",
help="serial device /dev file modem",
default="/dev/ttyUSB0")
argparser.add_argument("-r",
"--rate",
help="baudrate for serial device",
type=int,
default=115200)
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
config = argparser.parse_args()
modem = Modem(config.device,
config.rate,
receive_callback=received_command_callback,
show_logging=config.verbose)
modem.start_reading()
# Program loop
while True:
pass
print("Using mode {} for channel {} with TX EIRP {} dBm".format(config.mode, config.channel_id, config.eirp))
mode = EngineeringModeMode.from_string(config.mode)
if (mode == EngineeringModeMode.ENGINEERING_MODE_MODE_PER_TX) and (config.timeout == 0):
config.timeout = 255
emFile = EngineeringModeFile(mode=mode, flags=0, timeout=config.timeout, channel_id=ch, eirp=config.eirp)
stop = False
signal.signal(signal.SIGINT, cleanup)
print(list(emFile))
if not config.not_exe:
modem = Modem(config.device, config.rate, unsolicited_response_received_callback=received_command_callback,
rebooted_callback=rebooted_callback)
modem.connect()
cmd = Command()
if config.forward:
cmd.add_forward_action(
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_PREFERRED, retry_mod=RetryMode.RETRY_MODE_NO),
addressee=Addressee(
access_class=0x11,
id_type=IdType.NBID,
id=CT.compress(2)
)
)
class ThroughtPutTest:
def __init__(self):
self.argparser = argparse.ArgumentParser(
fromfile_prefix_chars="@",
description="Test throughput over 2 serial D7 modems"
)
self.argparser.add_argument("-n", "--msg-count", help="number of messages to transmit", type=int, default=10)
self.argparser.add_argument("-p", "--payload-size", help="number of bytes of (appl level) payload to transmit", type=int, default=50)
self.argparser.add_argument("-sw", "--serial-transmitter", help="serial device /dev file transmitter node", default=None)
self.argparser.add_argument("-sr", "--serial-receiver", help="serial device /dev file receiver node", default=None)
self.argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
self.argparser.add_argument("-uid", "--unicast-uid", help="UID to use for unicast transmission, "
"when not using receiver "
"(in hexstring, for example 0xb57000009151d)", default=None)
self.argparser.add_argument("-to", "--receiver-timeout", help="timeout for the receiver (in seconds)", type=int, default=10)
self.argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
self.config = self.argparser.parse_args()
if self.config.serial_transmitter == None and self.config.serial_receiver == None:
self.argparser.error("At least a transmitter or receiver is required.")
if self.config.serial_receiver == None and self.config.unicast_uid == None:
self.argparser.error("When running without receiver a --unicast-uid parameter is required.")
if self.config.serial_transmitter == None:
self.transmitter_modem = None
print("Running without transmitter")
else:
self.transmitter_modem = Modem(self.config.serial_transmitter, self.config.rate, None, show_logging=self.config.verbose)
access_profile = AccessProfile(
scan_type_is_foreground=True,
csma_ca_mode=CsmaCaMode.UNC,
subnet=03,
scan_automation_period=CT(0),
subbands=[Subband(
channel_header=ChannelHeader(channel_band=ChannelBand.BAND_433,
channel_coding=ChannelCoding.PN9,
channel_class=ChannelClass.NORMAL_RATE),
channel_index_start=16,
channel_index_end=16,
eirp=10,
ccao=0 # TODO
)
]
)
print("Write Access Profile")
write_ap_cmd = Command.create_with_write_file_action_system_file(file=AccessProfileFile(access_profile=access_profile, access_specifier=0))
self.transmitter_modem.send_command(write_ap_cmd)
if self.config.serial_receiver == None:
self.receiver_modem = None
print("Running without receiver")
else:
self.receiver_modem = Modem(self.config.serial_receiver, self.config.rate, self.receiver_cmd_callback, show_logging=self.config.verbose)
self.receiver_modem.send_command(Command.create_with_write_file_action_system_file(DllConfigFile(active_access_class=2)))
print("Receiver scanning on Access Class = 2")
def start(self):
self.received_commands = defaultdict(list)
payload = range(self.config.payload_size)
if self.receiver_modem != None:
addressee_id = self.receiver_modem.uid
else:
addressee_id = int(self.config.unicast_uid, 16)
if self.transmitter_modem != None:
print("\n==> broadcast, with QoS, transmitter active access class = 0 ====")
self.transmitter_modem.send_command(Command.create_with_write_file_action_system_file(DllConfigFile(active_access_class=0)))
interface_configuration = Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ANY),
addressee=Addressee(
access_class=2,
id_type=IdType.NOID
)
)
self.start_transmitting(interface_configuration=interface_configuration, payload=payload)
self.wait_for_receiver(payload)
print("\n==> broadcast, no QoS, transmitter active access class = 0 ====")
self.transmitter_modem.send_command(Command.create_with_write_file_action_system_file(DllConfigFile(active_access_class=0)))
interface_configuration = Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_NO),
addressee=Addressee(
access_class=2,
id_type=IdType.NOID
)
)
self.start_transmitting(interface_configuration=interface_configuration, payload=payload)
self.wait_for_receiver(payload)
print("\n==> unicast, with QoS, transmitter active access class = 0")
interface_configuration = Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ANY),
addressee=Addressee(
access_class=2,
id_type=IdType.UID,
id=addressee_id
)
)
self.start_transmitting(interface_configuration=interface_configuration, payload=payload)
self.wait_for_receiver(payload)
print("\n==> unicast, no QoS, transmitter active access class = 0")
interface_configuration = Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_NO),
addressee=Addressee(
access_class=2,
id_type=IdType.UID,
id=addressee_id
)
)
self.start_transmitting(interface_configuration=interface_configuration, payload=payload)
self.wait_for_receiver(payload)
else:
# receive only
self.receiver_modem.start_reading()
self.wait_for_receiver(payload)
def start_transmitting(self, interface_configuration, payload):
print("Running throughput test with payload size {} and interface_configuration {}\n\nrunning ...\n".format(len(payload), interface_configuration))
if self.receiver_modem != None:
self.received_commands = defaultdict(list)
self.receiver_modem.start_reading()
command = Command.create_with_return_file_data_action(
file_id=0x40,
data=payload,
interface_type=InterfaceType.D7ASP,
interface_configuration=interface_configuration
)
start = time.time()
for i in range(self.config.msg_count):
sys.stdout.write("{}/{}\r".format(i + 1, self.config.msg_count))
sys.stdout.flush()
self.transmitter_modem.d7asp_fifo_flush(command)
end = time.time()
print("transmitter: sending {} messages completed in: {} s".format(self.config.msg_count, end - start))
print("transmitter: throughput = {} bps with a payload size of {} bytes".format(
(self.config.msg_count * self.config.payload_size * 8) / (end - start), self.config.payload_size)
)
def wait_for_receiver(self, payload):
if self.receiver_modem == None:
print("Running without receiver so we are not waiting for messages to be received ...")
else:
start = time.time()
total_recv = 0
while total_recv < self.config.msg_count and time.time() - start < self.config.receiver_timeout:
total_recv = sum(len(v) for v in self.received_commands.values())
time.sleep(2)
print("waiting for receiver to finish ... (current nr of recv msgs: {})".format(total_recv))
print("finished receiving or timeout")
self.receiver_modem.cancel_read()
payload_has_errors = False
for sender_cmd in self.received_commands.values():
for cmd in sender_cmd:
if type(cmd.actions[0].op) != ReturnFileData and cmd.actions[0].operand.data != payload:
payload_has_errors = True
print ("receiver: received unexpected command: {}".format(cmd))
if payload_has_errors == False and total_recv == self.config.msg_count:
print("receiver: OK: received {} messages with correct payload:".format(total_recv))
for sender, cmds in self.received_commands.items():
print("\t{}: {}".format(sender, len(cmds)))
else:
print("receiver: NOK: received messages {}:".format(total_recv))
for sender, cmds in self.received_commands.items():
print("\t{}: {}".format(sender, len(cmds)))
def receiver_cmd_callback(self, cmd):
if cmd.interface_status != None:
uid = cmd.interface_status.operand.interface_status.addressee.id
self.received_commands[uid].append(cmd)
else:
print("Unexpected cmd received, reboot?\n\t{}".format(cmd))
def setup_modem(self): # we use Modem here only for reading the modem information, not for parsing. # reading the bytes from serial (after initial connect) is not done using Modem but overridden here modem = Modem(self.config.device, self.config.rate, None, show_logging=self.config.verbose) self.serial = modem.dev self.modem_uid = modem.uid
class Gateway:
def __init__(self):
argparser = argparse.ArgumentParser()
argparser.add_argument("-d",
"--device",
help="serial device /dev file modem",
default="/dev/ttyACM0")
argparser.add_argument("-r",
"--rate",
help="baudrate for serial device",
type=int,
default=115200)
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
argparser.add_argument("-b",
"--broker",
help="mqtt broker hostname",
default="localhost")
argparser.add_argument("-bp",
"--broker-port",
help="mqtt broker port",
default="1883")
argparser.add_argument("-p",
"--plugin-path",
help="path where plugins are stored",
default="")
argparser.add_argument(
"-l",
"--logfile",
help="specify path if you want to log to file instead of to stdout",
default="")
self.bridge_count = 0
self.next_report = 0
self.mq = None
self.mqtt_topic_incoming_alp = ""
self.connected_to_mqtt = False
self.config = argparser.parse_args()
self.log = logging.getLogger()
formatter = logging.Formatter(
'%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
if self.config.logfile == "":
handler = logging.StreamHandler()
else:
handler = logging.FileHandler(self.config.logfile)
handler.setFormatter(formatter)
self.log.addHandler(handler)
self.log.setLevel(logging.INFO)
if self.config.verbose:
self.log.setLevel(logging.DEBUG)
if self.config.plugin_path != "":
self.load_plugins(self.config.plugin_path)
self.modem = Modem(self.config.device, self.config.rate,
self.on_command_received)
self.connect_to_mqtt()
# update attribute containing git rev so we can track revision at TB platform
git_sha = subprocess.check_output(["git", "describe",
"--always"]).strip()
ip = self.get_ip()
# TODO ideally this should be associated with the GW device itself, not with the modem in the GW
# not clear how to do this using TB-GW
self.publish_to_topic(
"/gateway-info",
jsonpickle.json.dumps({
"git-rev": git_sha,
"ip": ip,
"device": self.modem.uid
}))
# make sure TB knows the modem device is connected. TB considers the device connected as well when there is regular
# telemetry data. This is fine for remote nodes which will be auto connected an disconnected in this way. But for the
# node in the gateway we do it explicitly to make sure it always is 'online' even when there is no telemetry to be transmitted,
# so that we can reach it over RPC
self.publish_to_topic(
"sensors/connect",
jsonpickle.json.dumps({"serialNumber": self.modem.uid}))
self.log.info("Running on {} with git rev {} using modem {}".format(
ip, git_sha, self.modem.uid))
# read all system files on the local node to store as attributes on TB
self.log.info("Reading all system files ...")
for file in SystemFiles().files.values():
self.modem.execute_command_async(
Command.create_with_read_file_action_system_file(file))
def load_plugins(self, plugin_path):
self.log.info("Searching for plugins in path %s" % plugin_path)
manager = PluginManagerSingleton.get()
manager.setPluginPlaces([plugin_path])
manager.collectPlugins()
for plugin in manager.getAllPlugins():
self.log.info("Loading plugin '%s'" % plugin.name)
def on_command_received(self, cmd):
try:
self.log.info("Command received: {}".format(cmd))
if not self.connected_to_mqtt:
self.log.warning("Not connected to MQTT, skipping")
return
# publish raw ALP command to incoming ALP topic, we will not parse the file contents here (since we don't know how)
# so pass it as an opaque BLOB for parsing in backend
self.publish_to_topic(
self.mqtt_topic_incoming_alp,
jsonpickle.json.dumps({'alp_command': jsonpickle.encode(cmd)}))
node_id = self.modem.uid # overwritten below with remote node ID when received over D7 interface
# parse link budget (when this is received over D7 interface) and publish separately so we can visualize this in TB
if cmd.interface_status != None and cmd.interface_status.operand.interface_id == 0xd7:
interface_status = cmd.interface_status.operand.interface_status
node_id = '{:x}'.format(interface_status.addressee.id)
self.publish_to_topic(
"/parsed/telemetry",
jsonpickle.json.dumps({
"gateway": self.modem.uid,
"device": node_id,
"name": "link_budget",
"value": interface_status.link_budget,
"timestamp": str(datetime.now())
}))
self.publish_to_topic(
"/parsed/telemetry",
jsonpickle.json.dumps({
"gateway": self.modem.uid,
"device": node_id,
"name": "rx_level",
"value": -interface_status.rx_level,
"timestamp": str(datetime.now())
}))
self.publish_to_topic(
"/parsed/attribute",
jsonpickle.json.dumps({
"device":
node_id,
"name":
"last_network_connection",
"value":
"D7-" + interface_status.get_short_channel_string(),
}))
# store returned file data as attribute on the device
for action in cmd.actions:
if type(action.operation) is ReturnFileData:
data = ""
if action.operation.file_data_parsed is not None:
# for known system files we transmit the parsed data
data = jsonpickle.encode(
action.operation.file_data_parsed)
else:
# try if plugin can parse this file
parsed_by_plugin = False
for plugin in PluginManagerSingleton.get(
).getAllPlugins():
for name, value, datapoint_type in plugin.plugin_object.parse_file_data(
action.operand.offset,
action.operand.data):
parsed_by_plugin = True
self.publish_to_topic(
"/parsed/" + datapoint_type.name,
jsonpickle.json.dumps({
"device": node_id,
"name": name,
"value": value,
}))
if not parsed_by_plugin:
# unknown file content, just transmit raw data
data = jsonpickle.encode(action.operand)
filename = "File {}".format(
action.operand.offset.id)
if action.operation.systemfile_type != None:
filename = "File {} ({})".format(
SystemFileIds(
action.operand.offset.id).name,
action.operand.offset.id)
self.publish_to_topic(
"/filecontent",
jsonpickle.json.dumps({
"device": node_id,
"file-id": filename,
"file-data": data
}))
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value,
exc_traceback)
trace = "".join(lines)
self.log.error(
"Exception while processing command: \n{}".format(trace))
def connect_to_mqtt(self):
self.log.info("Connecting to MQTT broker on {}".format(
self.config.broker))
self.connected_to_mqtt = False
self.mq = mqtt.Client("", True, None, mqtt.MQTTv31)
self.mqtt_topic_incoming_alp = "/DASH7/incoming/{}".format(
self.modem.uid)
self.mq.on_connect = self.on_mqtt_connect
self.mq.on_message = self.on_mqtt_message
self.mq.connect(self.config.broker, self.config.broker_port, 60)
self.mq.loop_start()
while not self.connected_to_mqtt:
pass # busy wait until connected
self.log.info("Connected to MQTT broker on {}".format(
self.config.broker))
def on_mqtt_connect(self, client, config, flags, rc):
self.mq.subscribe("sensor/#")
self.connected_to_mqtt = True
def on_mqtt_message(self, client, config, msg):
try:
topic_parts = msg.topic.split('/')
method = topic_parts[3]
uid = topic_parts[1]
request_id = topic_parts[4]
self.log.info(
"Received RPC command of type {} for {} (request id {})".
format(method, uid, request_id))
if uid != self.modem.uid:
self.log.info(
"RPC command not for this modem ({}), skipping".format(
self.modem.uid))
return
if method == "execute-alp-async":
try:
cmd = jsonpickle.decode(jsonpickle.json.loads(msg.payload))
self.log.info("Received command through RPC: %s" % cmd)
self.modem.execute_command_async(cmd)
self.log.info("Executed ALP command through RPC")
# TODO when the command is writing local files we could read them again automatically afterwards, to make sure the digital twin is updated
except Exception as e:
self.log.exception("Could not deserialize: %s" % e)
elif method == "alert":
# TODO needs refactoring so different methods can be supported in a plugin, for now this is very specific case as an example
self.log.info("Alert (payload={})".format(msg.payload))
if msg.payload != "true" and msg.payload != "false":
self.log.info("invalid payload, skipping")
return
file_data = 0
if msg.payload == "true":
file_data = 1
self.log.info("writing alert file")
self.modem.execute_command_async(
Command.create_with_write_file_action(
file_id=0x60,
offset=4,
data=[file_data],
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ALL),
addressee=Addressee(access_class=0x11,
id_type=IdType.NOID))))
else:
self.log.info("RPC method not supported, skipping")
return
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value,
exc_traceback)
trace = "".join(lines)
msg_info = "no msg info (missing __dict__ attribute)" # TODO because of out of date paho??
if hasattr(msg, '__dict__'):
msg_info = str(msg.__dict__)
self.log.error(
"Exception while processing MQTT message: {} callstack:\n{}".
format(msg_info, trace))
def publish_to_topic(self, topic, msg):
if not self.connected_to_mqtt:
self.log.warning("not connected to MQTT, skipping")
return
self.mq.publish(topic, msg)
def __del__(self):
try:
self.mq.loop_stop()
self.mq.disconnect()
except:
pass
def run(self):
self.log.info("Started")
keep_running = True
while keep_running:
try:
if platform.system() == "Windows":
time.sleep(1)
else:
signal.pause()
except serial.SerialException:
time.sleep(1)
self.log.warning("resetting serial connection...")
self.setup_modem()
return
except KeyboardInterrupt:
self.log.info(
"received KeyboardInterrupt... stopping processing")
keep_running = False
self.report_stats()
def keep_stats(self):
self.bridge_count += 1
def report_stats(self):
if self.next_report < time.time():
if self.bridge_count > 0:
self.log.info("bridged %s messages" % str(self.bridge_count))
self.bridge_count = 0
self.next_report = time.time(
) + 15 # report at most every 15 seconds
def get_ip(self):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
# doesn't even have to be reachable
s.connect(('10.255.255.255', 1))
IP = s.getsockname()[0]
except:
IP = '127.0.0.1'
finally:
s.close()
return IP
from d7a.sp.configuration import Configuration
from d7a.sp.qos import QoS, ResponseMode
from d7a.system_files.uid import UidFile
from modem.modem import Modem
# This example can be used with a node running the gateway app included in OSS-7.
# The gateway is continuously listening for foreground frames.
# Messages pushed by other nodes (running for example the sensor_push app) will be received by the gateway node,
# transmitted over serial and the received_command_callback() function below will be called.
from util.logger import configure_default_logger
def received_command_callback(cmd):
logging.info(cmd)
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyUSB0")
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
config = argparser.parse_args()
configure_default_logger(config.verbose)
modem = Modem(config.device, config.rate, unsolicited_response_received_callback=received_command_callback)
modem.connect()
while True:
pass
def __init__(self):
argparser = argparse.ArgumentParser()
argparser.add_argument("-d",
"--device",
help="serial device /dev file modem",
default="/dev/ttyACM0")
argparser.add_argument("-r",
"--rate",
help="baudrate for serial device",
type=int,
default=115200)
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
argparser.add_argument("-b",
"--broker",
help="mqtt broker hostname",
default="localhost")
argparser.add_argument("-bp",
"--broker-port",
help="mqtt broker port",
default="1883")
argparser.add_argument("-p",
"--plugin-path",
help="path where plugins are stored",
default="")
argparser.add_argument(
"-l",
"--logfile",
help="specify path if you want to log to file instead of to stdout",
default="")
self.bridge_count = 0
self.next_report = 0
self.mq = None
self.mqtt_topic_incoming_alp = ""
self.connected_to_mqtt = False
self.config = argparser.parse_args()
self.log = logging.getLogger()
formatter = logging.Formatter(
'%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
if self.config.logfile == "":
handler = logging.StreamHandler()
else:
handler = logging.FileHandler(self.config.logfile)
handler.setFormatter(formatter)
self.log.addHandler(handler)
self.log.setLevel(logging.INFO)
if self.config.verbose:
self.log.setLevel(logging.DEBUG)
if self.config.plugin_path != "":
self.load_plugins(self.config.plugin_path)
self.modem = Modem(self.config.device, self.config.rate,
self.on_command_received)
self.connect_to_mqtt()
# update attribute containing git rev so we can track revision at TB platform
git_sha = subprocess.check_output(["git", "describe",
"--always"]).strip()
ip = self.get_ip()
# TODO ideally this should be associated with the GW device itself, not with the modem in the GW
# not clear how to do this using TB-GW
self.publish_to_topic(
"/gateway-info",
jsonpickle.json.dumps({
"git-rev": git_sha,
"ip": ip,
"device": self.modem.uid
}))
# make sure TB knows the modem device is connected. TB considers the device connected as well when there is regular
# telemetry data. This is fine for remote nodes which will be auto connected an disconnected in this way. But for the
# node in the gateway we do it explicitly to make sure it always is 'online' even when there is no telemetry to be transmitted,
# so that we can reach it over RPC
self.publish_to_topic(
"sensors/connect",
jsonpickle.json.dumps({"serialNumber": self.modem.uid}))
self.log.info("Running on {} with git rev {} using modem {}".format(
ip, git_sha, self.modem.uid))
# read all system files on the local node to store as attributes on TB
self.log.info("Reading all system files ...")
for file in SystemFiles().files.values():
self.modem.execute_command_async(
Command.create_with_read_file_action_system_file(file))
def received_command_callback(cmd):
logging.info(cmd)
if cmd.execution_completed:
os._exit(0)
argparser = argparse.ArgumentParser()
argparser.add_argument("-d", "--device", help="serial device /dev file modem",
default="/dev/ttyUSB0")
argparser.add_argument("-r", "--rate", help="baudrate for serial device", type=int, default=115200)
argparser.add_argument("-v", "--verbose", help="verbose", default=False, action="store_true")
config = argparser.parse_args()
configure_default_logger(config.verbose)
modem = Modem(config.device, config.rate, unsolicited_response_received_callback=received_command_callback)
modem.connect()
logging.info("Executing query...")
modem.execute_command_async(
alp_command=Command.create_with_read_file_action(
file_id=0x40,
length=8,
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ALL),
addressee=Addressee(
access_class=0x11,
id_type=IdType.NOID
)
)
)
argparser = argparse.ArgumentParser()
argparser.add_argument("-s",
"--serial",
help="serial device /dev file",
default="/dev/tty.usbserial-FTGCT0HY")
argparser.add_argument("-b",
"--baudrate",
help="baudrate for serial device",
type=int,
default=115200)
config = argparser.parse_args()
modem = Modem(config.serial, config.baudrate, show_logging=False)
cmd = Command.create_with_return_file_data_action(
file_id=0x40,
data=[1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
interface_type=InterfaceType.D7ASP,
interface_configuration=Configuration(qos=QoS(resp_mod=QoS.RESP_MODE_NO),
addressee=Addressee(
access_class=0,
id_type=IdType.BCAST)))
last_message = 0
sent = 0
received = 0
class ThroughtPutTest:
def __init__(self):
self.argparser = argparse.ArgumentParser(
fromfile_prefix_chars="@",
description="Test throughput over 2 serial D7 modems")
self.argparser.add_argument("-n",
"--msg-count",
help="number of messages to transmit",
type=int,
default=10)
self.argparser.add_argument(
"-p",
"--payload-size",
help="number of bytes of (appl level) payload to transmit",
type=int,
default=50)
self.argparser.add_argument(
"-sw",
"--serial-transmitter",
help="serial device /dev file transmitter node",
default=None)
self.argparser.add_argument(
"-sr",
"--serial-receiver",
help="serial device /dev file receiver node",
default=None)
self.argparser.add_argument("-r",
"--rate",
help="baudrate for serial device",
type=int,
default=115200)
self.argparser.add_argument(
"-uid",
"--unicast-uid",
help="UID to use for unicast transmission, "
"when not using receiver "
"(in hexstring, for example 0xb57000009151d)",
default=None)
self.argparser.add_argument(
"-to",
"--receiver-timeout",
help="timeout for the receiver (in seconds)",
type=int,
default=10)
self.argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
self.config = self.argparser.parse_args()
if self.config.serial_transmitter == None and self.config.serial_receiver == None:
self.argparser.error(
"At least a transmitter or receiver is required.")
if self.config.serial_receiver == None and self.config.unicast_uid == None:
self.argparser.error(
"When running without receiver a --unicast-uid parameter is required."
)
if self.config.serial_transmitter == None:
self.transmitter_modem = None
print("Running without transmitter")
else:
self.transmitter_modem = Modem(self.config.serial_transmitter,
self.config.rate,
None,
show_logging=self.config.verbose)
access_profile = AccessProfile(
channel_header=ChannelHeader(
channel_band=ChannelBand.BAND_868,
channel_coding=ChannelCoding.PN9,
channel_class=ChannelClass.NORMAL_RATE),
sub_profiles=[
SubProfile(subband_bitmap=0x01,
scan_automation_period=CT(exp=0, mant=0)),
SubProfile(),
SubProfile(),
SubProfile()
],
sub_bands=[
SubBand(
channel_index_start=0,
channel_index_end=0,
eirp=10,
cca=86 # TODO
)
])
print("Write Access Profile")
write_ap_cmd = Command.create_with_write_file_action_system_file(
file=AccessProfileFile(access_profile=access_profile,
access_specifier=0))
self.transmitter_modem.send_command(write_ap_cmd)
if self.config.serial_receiver == None:
self.receiver_modem = None
print("Running without receiver")
else:
self.receiver_modem = Modem(self.config.serial_receiver,
self.config.rate,
self.receiver_cmd_callback,
show_logging=self.config.verbose)
self.receiver_modem.send_command(
Command.create_with_write_file_action_system_file(
DllConfigFile(active_access_class=0x01)))
print("Receiver scanning on Access Class = 0x01")
def start(self):
self.received_commands = defaultdict(list)
payload = range(self.config.payload_size)
if self.receiver_modem != None:
addressee_id = int(self.receiver_modem.uid, 16)
else:
addressee_id = int(self.config.unicast_uid, 16)
if self.transmitter_modem != None:
print(
"\n==> broadcast, with QoS, transmitter active access class = 0x01 ===="
)
self.transmitter_modem.send_command(
Command.create_with_write_file_action_system_file(
DllConfigFile(active_access_class=0x01)))
interface_configuration = Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ANY),
addressee=Addressee(
access_class=0x01,
id_type=IdType.NBID,
id=CT(exp=0, mant=1) # we expect one responder
))
self.start_transmitting(
interface_configuration=interface_configuration,
payload=payload)
self.wait_for_receiver(payload)
print(
"\n==> broadcast, no QoS, transmitter active access class = 0x01 ===="
)
self.transmitter_modem.send_command(
Command.create_with_write_file_action_system_file(
DllConfigFile(active_access_class=0x01)))
interface_configuration = Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_NO),
addressee=Addressee(access_class=0x01, id_type=IdType.NOID))
self.start_transmitting(
interface_configuration=interface_configuration,
payload=payload)
self.wait_for_receiver(payload)
print(
"\n==> unicast, with QoS, transmitter active access class = 0x01"
)
interface_configuration = Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_ANY),
addressee=Addressee(access_class=0x01,
id_type=IdType.UID,
id=addressee_id))
self.start_transmitting(
interface_configuration=interface_configuration,
payload=payload)
self.wait_for_receiver(payload)
print(
"\n==> unicast, no QoS, transmitter active access class = 0x01"
)
interface_configuration = Configuration(
qos=QoS(resp_mod=ResponseMode.RESP_MODE_NO),
addressee=Addressee(access_class=0x01,
id_type=IdType.UID,
id=addressee_id))
self.start_transmitting(
interface_configuration=interface_configuration,
payload=payload)
self.wait_for_receiver(payload)
else:
# receive only
self.receiver_modem.start_reading()
self.wait_for_receiver(payload)
def start_transmitting(self, interface_configuration, payload):
print(
"Running throughput test with payload size {} and interface_configuration {}\n\nrunning ...\n"
.format(len(payload), interface_configuration))
if self.receiver_modem != None:
self.received_commands = defaultdict(list)
self.receiver_modem.start_reading()
command = Command.create_with_return_file_data_action(
file_id=0x40,
data=payload,
interface_type=InterfaceType.D7ASP,
interface_configuration=interface_configuration)
start = time.time()
for i in range(self.config.msg_count):
sys.stdout.write("{}/{}\r".format(i + 1, self.config.msg_count))
sys.stdout.flush()
self.transmitter_modem.d7asp_fifo_flush(command)
end = time.time()
print("transmitter: sending {} messages completed in: {} s".format(
self.config.msg_count, end - start))
print(
"transmitter: throughput = {} bps with a payload size of {} bytes".
format((self.config.msg_count * self.config.payload_size * 8) /
(end - start), self.config.payload_size))
def wait_for_receiver(self, payload):
if self.receiver_modem == None:
print(
"Running without receiver so we are not waiting for messages to be received ..."
)
else:
start = time.time()
total_recv = 0
while total_recv < self.config.msg_count and time.time(
) - start < self.config.receiver_timeout:
total_recv = sum(
len(v) for v in self.received_commands.values())
time.sleep(2)
print(
"waiting for receiver to finish ... (current nr of recv msgs: {})"
.format(total_recv))
print("finished receiving or timeout")
self.receiver_modem.cancel_read()
payload_has_errors = False
for sender_cmd in self.received_commands.values():
for cmd in sender_cmd:
if type(cmd.actions[0].op
) != ReturnFileData and cmd.actions[
0].operand.data != payload:
payload_has_errors = True
print(
"receiver: received unexpected command: {}".format(
cmd))
if payload_has_errors == False and total_recv == self.config.msg_count:
print(
"receiver: OK: received {} messages with correct payload:".
format(total_recv))
for sender, cmds in self.received_commands.items():
print("\t{}: {}".format(sender, len(cmds)))
else:
print(
"receiver: NOK: received messages {}:".format(total_recv))
for sender, cmds in self.received_commands.items():
print("\t{}: {}".format(sender, len(cmds)))
def receiver_cmd_callback(self, cmd):
print("recv cmd: ".format(cmd))
if cmd.interface_status != None:
uid = cmd.interface_status.operand.interface_status.addressee.id
self.received_commands[uid].append(cmd)
else:
print("Unexpected cmd received, reboot?\n\t{}".format(cmd))
argparser.add_argument("-v",
"--verbose",
help="verbose",
default=False,
action="store_true")
argparser.add_argument("-otaa",
"--over-the-air-activation",
help="Enable over the air activation",
default=False,
action="store_true")
config = argparser.parse_args()
configure_default_logger(config.verbose)
modem = Modem(
config.device,
config.rate,
)
modem.connect()
logging.info("Executing query...")
if (config.over_the_air_activation):
result = modem.execute_command(
alp_command=Command.create_with_read_file_action(
file_id=0x40,
length=8,
interface_type=InterfaceType.LORAWAN_OTAA,
interface_configuration=LoRaWANInterfaceConfigurationOTAA(
request_ack=False,
app_port=0x01,
device_eui=[0xBE, 0X7A, 0X00, 0X00, 0X00, 0X00, 0X1B, 0X81],
app_eui=[0xBE, 0X7A, 0X00, 0X00, 0X00, 0X00, 0X0D, 0X9F],
app_key=[