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"""Simple program to demo how to use meshtastic library.
To run: python examples/pub_sub_example2.py
"""
import sys
import time
from pubsub import pub
import meshtastic
import meshtastic.tcp_interface
# simple arg check
if len(sys.argv) < 2:
print(f"usage: {sys.argv[0]} host")
sys.exit(1)
def onReceive(packet, interface): # pylint: disable=unused-argument
"""called when a packet arrives"""
print(f"Received: {packet}")
def onConnection(interface, topic=pub.AUTO_TOPIC): # pylint: disable=unused-argument
"""called when we (re)connect to the radio"""
# defaults to broadcast, specify a destination ID if you wish
interface.sendText("hello mesh")
pub.subscribe(onReceive, "meshtastic.receive")
pub.subscribe(onConnection, "meshtastic.connection.established")
try:
iface = meshtastic.tcp_interface.TCPInterface(hostname=sys.argv[1])
while True:
time.sleep(1000)
iface.close()
except Exception as ex:
print(f"Error: Could not connect to {sys.argv[1]} {ex}")
sys.exit(1)
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