58 lines
1.7 KiB
Python
Executable File
58 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
"""Two-dongle demo: one transmits, one receives.
|
|
|
|
Usage:
|
|
uv run examples/ping_pong.py --role tx [PORT]
|
|
uv run examples/ping_pong.py --role rx [PORT]
|
|
"""
|
|
# /// script
|
|
# requires-python = ">=3.10"
|
|
# dependencies = ["cobs", "pyserial"]
|
|
# ///
|
|
|
|
import argparse
|
|
import sys
|
|
import time
|
|
|
|
sys.path.insert(0, __import__("pathlib").Path(__file__).parent.as_posix())
|
|
import donglora as dl # noqa: E402
|
|
|
|
parser = argparse.ArgumentParser(description="DongLoRa ping-pong demo")
|
|
parser.add_argument("--role", choices=["tx", "rx"], required=True)
|
|
parser.add_argument("port", nargs="?", help="Serial port (auto-detect if omitted)")
|
|
args = parser.parse_args()
|
|
|
|
ser = dl.connect(args.port)
|
|
print(dl.send(ser, "SetConfig", config=dl.DEFAULT_CONFIG))
|
|
|
|
if args.role == "tx":
|
|
print("Transmitting every 2 seconds (Ctrl+C to stop)...\n")
|
|
seq = 0
|
|
try:
|
|
while True:
|
|
msg = f"ping #{seq}"
|
|
resp = dl.send(ser, "Transmit", payload=msg.encode())
|
|
print(f" TX: {msg!r} → {resp['type']}")
|
|
seq += 1
|
|
time.sleep(2)
|
|
except KeyboardInterrupt:
|
|
print("\nDone.")
|
|
|
|
else:
|
|
print(dl.send(ser, "StartRx"))
|
|
print("Receiving (Ctrl+C to stop)...\n")
|
|
ser.timeout = 1
|
|
try:
|
|
while True:
|
|
data = dl.read_frame(ser)
|
|
if data is None:
|
|
continue
|
|
resp = dl.decode_response(data)
|
|
if resp["type"] == "RxPacket":
|
|
p = resp["payload"]
|
|
text = p.decode("utf-8", errors="replace")
|
|
print(f" RX: {text!r} RSSI:{resp['rssi']}dBm SNR:{resp['snr']}dB")
|
|
except KeyboardInterrupt:
|
|
dl.send(ser, "StopRx")
|
|
print("\nDone.")
|