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#!/usr/bin/env python
import sys
import pmt
from gnuradio.ctrlport.GNURadioControlPortClient import GNURadioControlPortClient
from argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument("-H", "--host", default="localhost",
help="Hostname to connect to (default=%(default)r)")
parser.add_argument("-p", "--port", type=int, default=9090,
help="Port of Controlport instance on host (default=%(default)r)")
parser.add_argument("-a", "--alias", default="gr uhd usrp sink0",
help="The UHD block's alias to control (default=%(default)r)")
parser.add_argument("command", metavar="COMMAND")
parser.add_argument("value", metavar="VALUE")
args = parser.parse_args()
port = 'command'
cmd = args.command
val = args.value
if(cmd == "tune" or cmd == "time"):
sys.stderr.write("This application currently does not support the 'tune' or 'time' UHD "
"message commands.\n\n")
sys.exit(1)
elif(cmd == "antenna"):
val = pmt.intern(val)
else:
val = pmt.from_double(float(val))
argv = [None, args.host, args.port]
radiosys = GNURadioControlPortClient(argv=argv, rpcmethod='thrift')
radio = radiosys.client
radio.postMessage(args.alias, port, pmt.cons(pmt.intern(cmd), val))
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