63 lines
No EOL
2 KiB
Python
63 lines
No EOL
2 KiB
Python
#!/usr/bin/python3
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import sys
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import select
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import argparse
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from RNode import RNodeInterface
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serialPort = "/dev/ttyACM0"
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def rx(data, rnode):
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message = data.decode("utf-8")
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print("Received a packet: "+message)
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print("RSSI: "+str(rnode.r_stat_rssi)+" dBm")
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print("SNR: "+str(rnode.r_stat_snr)+" dB")
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def main():
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parser = argparse.ArgumentParser(description="LoRa packet transmitter for RNode hardware.")
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parser.add_argument("--freq", action="store", metavar="Hz", type=int, default=None, help="Frequency in Hz")
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parser.add_argument("--bw", action="store", metavar="Hz", type=int, default=125000, help="Bandwidth in Hz")
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parser.add_argument("--txp", action="store", metavar="dBm", type=int, default=2, help="TX power in dBm")
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parser.add_argument("--sf", action="store", metavar="factor", type=int, default=7, help="Spreading factor")
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parser.add_argument("--cr", action="store", metavar="rate", type=int, default=5, help="Coding rate")
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parser.add_argument("port", nargs="?", default=None, help="Serial port where RNode is attached", type=str)
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parser.add_argument("payload", nargs="?", default=None, help="The payload to be transmitted", type=str)
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args = parser.parse_args()
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if not (args.freq and args.bw and args.sf and args.cr):
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print("Please input startup configuration:")
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if not args.freq:
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print("Frequency in Hz:\t", end=' ')
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args.freq = int(input())
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if not args.payload and not select.select([sys.stdin, ], [], [], 0.0)[0]:
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print("Please provide a message to be sent")
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exit()
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try:
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rnode = RNodeInterface(
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callback = rx,
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name = "RandoRNode",
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port = args.port,
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frequency = args.freq,
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bandwidth = args.bw,
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txpower = args.txp,
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sf = args.sf,
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cr = args.cr,
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loglevel = RNodeInterface.LOG_NOTICE)
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except Exception as e:
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print(str(e))
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exit()
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if not args.payload and select.select([sys.stdin, ], [], [], 0.0)[0]:
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message = sys.stdin.read()
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else:
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message = ' '.join(args.payload)
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data = message.encode("utf-8")
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rnode.send(data)
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print(f"Payload sent: '{message}'\n")
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if __name__ == "__main__":
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main() |