meshcore_py/examples/serial_channel_manager.py
2025-07-10 17:24:01 +02:00

116 lines
3.7 KiB
Python
Executable file

#!/usr/bin/env python3
import asyncio
import sys
from meshcore import MeshCore
from meshcore.events import EventType
# Default port - change as needed
PORT = "/dev/tty.usbserial-583A0069501"
BAUDRATE = 115200
async def main():
# Check command line arguments
if len(sys.argv) > 1:
port = sys.argv[1]
else:
port = PORT
print(f"Connecting to device on {port}...")
try:
mc = await MeshCore.create_serial(port, BAUDRATE, debug=True)
print("Connected!")
# Display device info
print(f"Device: {mc.self_info.get('adv_name', 'Unknown')}")
print(f"Public Key: {mc.self_info.get('public_key', 'Unknown')}")
print()
while True:
print("Channel Manager")
print("1. Get channel info")
print("2. Set channel")
print("3. Exit")
choice = input("Enter choice (1-3): ")
if choice == "1":
await get_channel_info(mc)
elif choice == "2":
await set_channel_config(mc)
elif choice == "3":
break
else:
print("Invalid choice. Please try again.\n")
except Exception as e:
print(f"Error: {e}")
finally:
if 'mc' in locals():
await mc.disconnect()
print("Disconnected.")
async def get_channel_info(mc):
"""Get information about a specific channel"""
try:
channel_idx = int(input("Enter channel index (0-255): "))
print(f"Getting info for channel {channel_idx}...")
result = await mc.commands.get_channel(channel_idx)
if result.type == EventType.CHANNEL_INFO:
payload = result.payload
print(f"Channel {payload.get('channel_idx', 'Unknown')}:")
print(f" Name: {payload.get('channel_name', 'Unknown')}")
print(f" Secret: {payload.get('channel_secret', b'').hex()}")
elif result.type == EventType.ERROR:
print(f"Error getting channel info: {result.payload}")
else:
print(f"Unexpected response: {result.type}")
except ValueError:
print("Invalid channel index. Please enter a number.")
except Exception as e:
print(f"Error: {e}")
print()
async def set_channel_config(mc):
"""Configure a channel with name and secret"""
try:
channel_idx = int(input("Enter channel index (0-255): "))
channel_name = input("Enter channel name (max 32 chars): ")
# Get secret as hex string
print("Enter channel secret as hex (32 hex chars for 16 bytes):")
print("Example: 0123456789abcdef0123456789abcdef")
secret_hex = input("Secret: ").strip()
# Validate and convert secret
if len(secret_hex) != 32:
print("Error: Secret must be exactly 32 hex characters (16 bytes)")
return
try:
channel_secret = bytes.fromhex(secret_hex)
except ValueError:
print("Error: Invalid hex string")
return
print(f"Setting channel {channel_idx}...")
result = await mc.commands.set_channel(channel_idx, channel_name, channel_secret)
if result.type == EventType.OK:
print("Channel configured successfully!")
elif result.type == EventType.ERROR:
print(f"Error setting channel: {result.payload}")
else:
print(f"Unexpected response: {result.type}")
except ValueError:
print("Invalid input. Please enter valid numbers.")
except Exception as e:
print(f"Error: {e}")
print()
if __name__ == "__main__":
asyncio.run(main())