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#!/usr/bin/env python
import sys
import pmt
from gnuradio.ctrlport.GNURadioControlPortClient import GNURadioControlPortClient
from optparse import OptionParser
parser = OptionParser(usage="%prog: [options]")
parser.add_option("-H", "--host", type="string", default="localhost",
help="Hostname to connect to (default=%default)")
parser.add_option("-p", "--port", type="int", default=9090,
help="Port of Controlport instance on host (default=%default)")
parser.add_option("-a", "--alias", type="string", default="gr uhd usrp source0",
help="The UHD block's alias to control (default=%default)")
options, args = parser.parse_args()
if(len(args) < 2):
sys.stderr.write('Not enough arguments: usrp_source_controller.py [options] <command> <value>\n')
sys.stderr.write('See the "UHD Interface" section of the manual for available commands.\n\n')
sys.exit(1)
port = 'command'
alias = options.alias
hostname = options.host
portnum = options.port
cmd = args[0]
val = args[1]
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)
if(cmd == "antenna"):
val = pmt.intern(val)
else:
val = pmt.from_double(float(val))
argv = [None, hostname, portnum]
radiosys = GNURadioControlPortClient(argv=argv, rpcmethod='thrift')
radio = radiosys.client
radio.postMessage(alias, port, pmt.cons(pmt.intern(cmd), val))
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