Changes between Version 10 and Version 11 of Tutorials/k0SDR/Tutorial01b

Timestamp:

Jul 21, 2014, 5:26:20 PM (11 years ago)

Author:

nilanjan

Comment:

—

Tutorials/k0SDR/Tutorial01b

@@ -34 +34 @@
 
 == OEDL script overview ==
-blah blah and ?
-
+ * The OEDL script for this experiment is shown below.
+{{{
+defProperty('rate', '.250M', "Bitrate")
+defProperty('modulation','bpsk',"Modulation")
+defProperty('freq', '2410000000', "Center frequency")
+defProperty('runtime', 10, "Run time (s)")
+
+
+defApplication('test:app:benchmark_rx', 'benchmark_rx.py') { |a|
+  a.version(2, 0, 4)
+  a.shortDescription = ""
+  a.description = ""
+  a.path = "export LC_ALL=C;/root/gnuradio/gr-digital/examples/narrowband/benchmark_rx.py"
+  a.defProperty('args', "Argument list", nil,
+                {:dynamic => false, :type => :string})
+  a.defProperty('freq', "center frequency in Hz", '-f',
+                {:dynamic => false, :type => :string})
+  a.defProperty('rx-gain', "receive gain in dB", '--rx-gain',
+                {:dynamic => false, :type => :string})
+  a.defProperty('bitrate', "specify bitrate", '-r',
+                {:dynamic => false, :type => :string})
+  a.defProperty('modulation', "modulation: psk, cpm, qpsk, dqpsk, gfsk,qam, dbpsk, bpsk, gmsk [default=psk]", '-m',
+                {:dynamic => false, :type => :string})
+  a.defProperty('constellation-points', "set constellation - power of two for psk, power of 4 for QAM [default=16]", '-p',
+                {:dynamic => false, :type => :string})
+}
+
+defApplication('test:app:benchmark_tx', 'benchmark_tx.py') { |a|
+  a.version(2, 0, 4)
+  a.shortDescription = ""
+  a.description = ""
+  a.path = "export LC_ALL=C;/root/gnuradio/gr-digital/examples/narrowband/benchmark_tx.py"
+  a.defProperty('args', "Argument list", nil,
+                {:dynamic => false, :type => :string})
+  a.defProperty('freq', "center frequency in Hz", '-f',
+                {:dynamic => false, :type => :string})
+  a.defProperty('tx-gain', "transmit gain in dB", '--tx-gain',
+                {:dynamic => false, :type => :string})
+  a.defProperty('tx-amplitude', "transmitter digital amplitude [0,1)  [default=0.25", '--tx-amplitude',
+                {:dynamic => false, :type => :string})
+  a.defProperty('bitrate', "specify bitrate", '-r',
+                {:dynamic => false, :type => :string})
+  a.defProperty('modulation', "modulation: psk, cpm, qpsk, dqpsk, gfsk,qam, dbpsk, bpsk, gmsk [default=psk]", '-m',
+                {:dynamic => false, :type => :string})
+  a.defProperty('constellation-points', "set constellation - power of two for psk, power of 4 for QAM [default=16]", '-p',
+                {:dynamic => false, :type => :string})
+}
+
+
+
+defTopology('txnode') { |t|
+  # Load the topology of imaged nodes
+  # These nodes are from most recent omf load command
+  baseTopo = Topology['system:topo:imaged']
+
+  # Draw a random node from the pool of active ones
+  aNode = baseTopo.getUniqueRandomNode
+
+  # Add this random node to this 'senderTopo' topology
+  t.addNode(aNode)
+  puts "TX: #{t.getNodeByIndex(0).to_s}"
+}
+
+defTopology('rxnode') { |t|
+  # Load the topology of imaged nodes
+  # These nodes are from most recent omf load command
+  baseTopo = Topology['system:topo:imaged']
+
+  # Draw a random node from the pool of active ones
+  aNode = baseTopo.getUniqueRandomNode
+
+  # Add this random node to this 'senderTopo' topology
+  t.addNode(aNode)
+  puts "RX: #{t.getNodeByIndex(0).to_s}"
+}
+
+defGroup('rx', 'rxnode') { |n|
+ n.addApplication('test:app:benchmark_rx') { |app|
+   app.setProperty('freq', property.freq)
+   app.setProperty('modulation',property.modulation)
+   app.setProperty('bitrate',property.rate)
+   app.setProperty('rx-gain','30')
+ }
+
+}
+
+defGroup('tx', 'txnode') { |n|
+ n.addApplication('test:app:benchmark_tx') { |app|
+   app.setProperty('freq', property.freq)
+   app.setProperty('modulation',property.modulation)
+   app.setProperty('bitrate',property.rate)
+   app.setProperty('tx-gain','30')
+   app.setProperty('tx-amplitude','0.5')
+ }
+
+}
+
+onEvent(:ALL_UP_AND_INSTALLED) { |event|
+  # Wait a couple of seconds before proceeding so processes can settle down
+  wait 2
+
+  # Start receiver application
+  info "Start receiver app"
+  group("rx").startApplications
+
+  # Wait a couple of seconds for receiver application to become ready
+  wait 2
+
+  # Start transmitter application
+  info "Start sending packets"
+  group("tx").startApplications
+
+  # Run for specified runtime
+  wait property.runtime
+
+  # Stop benchmark applications
+  info "Stop transmitter and receiver"
+  allGroups.stopApplications
+
+  # As a precaution manually kill the benchmark applications on tx & rx node
+  allGroups.exec("PID=$(ps -ef | awk '$8==\"python\" {print $2}') ; kill -9 $PID")
+  wait 2
+
+  info "done"
+  Experiment.done
+}
+}}}
+
+ * Description... ?
 
 == Running OEDL script and viewing results ==