From 887b369981ebf3e6f69d8e761d83dd556d2ae2d4 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Thu, 6 Oct 2011 16:00:11 -0400
Subject: uhd: removed examples that don't make sense with UHD. Fixed up
gr-uhd/examples Makefile.
---
.../python/usrp/usrp_benchmark_usb.py | 106 ---------------------
1 file changed, 106 deletions(-)
delete mode 100755 gnuradio-examples/python/usrp/usrp_benchmark_usb.py
(limited to 'gnuradio-examples/python/usrp/usrp_benchmark_usb.py')
diff --git a/gnuradio-examples/python/usrp/usrp_benchmark_usb.py b/gnuradio-examples/python/usrp/usrp_benchmark_usb.py
deleted file mode 100755
index 4ea84f764b..0000000000
--- a/gnuradio-examples/python/usrp/usrp_benchmark_usb.py
+++ /dev/null
@@ -1,106 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2004,2005 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-"""
-Benchmark the USB/USRP throughput. Finds the maximum full-duplex speed
-the USRP/USB combination can sustain without errors.
-
-This program does not currently give reliable results. Sorry about that...
-"""
-
-from gnuradio import gr
-from gnuradio import usrp
-from gnuradio import eng_notation
-
-import sys
-
-def run_test (usb_throughput, verbose):
- # usb_throughput is in bytes/sec.
- #
- # Returns True or False
-
- nsec = 1
- stream_length = int (usb_throughput/2 * nsec) # length of stream to examine
-
- adc_freq = 64e6
- dac_freq = 128e6
- sizeof_sample = 2 * gr.sizeof_short
-
- usb_throughput_in_samples = usb_throughput / sizeof_sample
-
- # allocate usb throughput 50/50 between Tx and Rx
-
- tx_interp = int (dac_freq) / int (usb_throughput_in_samples / 2)
- rx_decim = int (adc_freq) / int (usb_throughput_in_samples / 2)
-
- # print "tx_interp =", tx_interp, "rx_decim =", rx_decim
- assert (tx_interp == 2 * rx_decim)
-
- tb = gr.top_block ()
-
- # Build the Tx pipeline
- data_src = gr.lfsr_32k_source_s ()
- src_head = gr.head (gr.sizeof_short, int (stream_length * 2))
- usrp_tx = usrp.sink_s (0, tx_interp)
- tb.connect (data_src, src_head, usrp_tx)
-
- # and the Rx pipeline
- usrp_rx = usrp.source_s (0, rx_decim, 1, 0x32103210, usrp.FPGA_MODE_LOOPBACK)
- head = gr.head (gr.sizeof_short, stream_length)
- check = gr.check_lfsr_32k_s ()
- tb.connect (usrp_rx, head, check)
-
- tb.run ()
-
- ntotal = check.ntotal ()
- nright = check.nright ()
- runlength = check.runlength ()
-
- if verbose:
- print "usb_throughput =", eng_notation.num_to_str (usb_throughput)
- print "ntotal =", ntotal
- print "nright =", nright
- print "runlength =", runlength
- print "delta =", ntotal - runlength
-
- return runlength >= stream_length - 80000
-
-def main ():
- verbose = True
- best_rate = 0
- usb_rate = [ 2e6, 4e6, 8e6, 16e6, 32e6 ]
- #usb_rate = [ 32e6, 32e6, 32e6, 32e6, 32e6 ]
- # usb_rate.reverse ()
- for rate in usb_rate:
- sys.stdout.write ("Testing %sB/sec... " % (eng_notation.num_to_str (rate)))
- sys.stdout.flush ()
- ok = run_test (rate, verbose)
- if ok:
- best_rate = max (best_rate, rate)
- sys.stdout.write ("OK\n")
- else:
- sys.stdout.write ("FAILED\n")
-
- print "Max USB/USRP throughput = %sB/sec" % (eng_notation.num_to_str (best_rate),)
-
-if __name__ == '__main__':
- main ()
--
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