forked from sdr/gr-osmosdr
add template based GRC block generation script
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@ -17,8 +17,35 @@
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#install(FILES
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# osmosdr_source_c.xml
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## osmosdr_sink_c.xml
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# DESTINATION share/gnuradio/grc/blocks
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#)
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########################################################################
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# Rules for generating the source and sink xml wrappers
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########################################################################
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include(GrPython)
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macro(GEN_BLOCK_XML _generator _xml_block)
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set(generator ${CMAKE_CURRENT_SOURCE_DIR}/${_generator})
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set(xml_block ${CMAKE_CURRENT_BINARY_DIR}/${_xml_block})
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list(APPEND xml_blocks ${xml_block})
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add_custom_command(
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DEPENDS ${generator} OUTPUT ${xml_block}
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COMMAND ${PYTHON_EXECUTABLE} ${generator} ${xml_block}
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)
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endmacro(GEN_BLOCK_XML)
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GEN_BLOCK_XML(gen_osmosdr_blocks.py osmosdr_source_c.xml)
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#GEN_BLOCK_XML(gen_osmosdr_blocks.py osmosdr_sink_c.xml)
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add_custom_target(osmosdr_grc_xml_blocks ALL DEPENDS ${xml_blocks})
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install(FILES
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osmosdr_source_c.xml
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# osmosdr_sink_c.xml
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${xml_blocks}
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osmosdr_block_tree.xml
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# DESTINATION ${GRC_BLOCKS_DIR}
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DESTINATION share/gnuradio/grc/blocks
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)
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@ -0,0 +1,201 @@
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"""
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Copyright 2012 Free Software Foundation, Inc.
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This file is part of GNU Radio
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GNU Radio Companion is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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GNU Radio Companion is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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"""
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MAIN_TMPL = """\
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<?xml version="1.0"?>
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<block>
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<name>OsmoSDR $sourk.title()</name>
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<key>osmosdr_$(sourk)_c</key>
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<throttle>1</throttle>
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<import>import osmosdr</import>
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<make>osmosdr.$(sourk)_c( args='nchan=' + str(\$nchan) + ' ' + \$args )
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self.\$(id).set_sample_rate(\$sample_rate)
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#for $n in range($max_nchan)
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\#if \$nchan() > $n
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self.\$(id).set_center_freq(\$freq$(n), $n)
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self.\$(id).set_freq_corr(\$corr$(n), $n)
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self.\$(id).set_gain(\$gain$(n), $n)
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\#if \$ant$(n)()
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self.\$(id).set_antenna(\$ant$(n), $n)
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\#end if
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\#end if
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#end for
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</make>
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<callback>set_sample_rate(\$sample_rate)</callback>
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#for $n in range($max_nchan)
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<callback>set_center_freq(\$freq$(n), $n)</callback>
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<callback>set_freq_corr(\$corr$(n), $n)</callback>
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<callback>set_gain(\$gain$(n), $n)</callback>
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<callback>set_antenna(\$ant$(n), $n)</callback>
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#end for
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<param>
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<name>$(dir.title())put Type</name>
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<key>type</key>
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<type>enum</type>
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<option>
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<name>Complex float32</name>
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<key>fc32</key>
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<opt>type:fc32</opt>
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</option>
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</param>
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<param>
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<name>Device Arguments</name>
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<key>args</key>
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<value></value>
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<type>string</type>
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<hide>
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\#if \$args()
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none
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\#else
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part
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\#end if
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</hide>
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</param>
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<param>
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<name>Num Channels</name>
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<key>nchan</key>
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<value>1</value>
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<type>int</type>
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#for $n in range(1, $max_nchan+1)
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<option>
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<name>$(n)</name>
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<key>$n</key>
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</option>
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#end for
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</param>
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<param>
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<name>Sample Rate (sps)</name>
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<key>sample_rate</key>
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<value>samp_rate</value>
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<type>real</type>
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</param>
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$params
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<check>$max_nchan >= \$nchan</check>
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<check>\$nchan > 0</check>
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<$sourk>
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<name>$dir</name>
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<type>\$type.type</type>
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<nports>\$nchan</nports>
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</$sourk>
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<doc>
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The OsmoSDR $sourk.title() block:
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Output Type:
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This parameter controls the data type of the stream in gnuradio.
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Device Arguments:
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The device argument is a delimited string used to locate devices on your system.
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Use the device id or name (if applicable) to specify a specific device or list
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of devices. If left blank, the first device found will be used.
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Examples:
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fcd=0 fcd=1 fcd=2 ...
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rtl=0 rtl=1 rtl=2 ...
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uhd=0|name,mcr=52e6,chans=2 ...
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osmo=0|name,mcr=64e6,chans=5,port=/dev/ttyUSB0 ...
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Num Channels:
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Selects the total number of channels in this multi-device configuration.
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Sample Rate:
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The sample rate is the number of samples per second output by this block.
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Frequency:
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The center frequency is the overall frequency of the RF chain.
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Freq. Corr.:
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The frequency correction factor in parts per million (ppm). Leave 0 if unknown.
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Gain:
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Overall gain of the device's signal path.
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Antenna:
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For devices with only one antenna, this may be left blank.
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Otherwise, the user should specify one of the possible antenna choices.
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See the OsmoSDR manual for more detailed documentation:
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http://sdr.osmocom.org/trac/
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</doc>
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</block>
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"""
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PARAMS_TMPL = """
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<param>
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<name>Ch$(n): Frequency (Hz)</name>
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<key>freq$(n)</key>
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<value>0</value>
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<type>real</type>
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<hide>\#if \$nchan() > $n then 'none' else 'all'#</hide>
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</param>
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<param>
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<name>Ch$(n): Freq. Corr. (ppm)</name>
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<key>corr$(n)</key>
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<value>0</value>
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<type>real</type>
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<hide>\#if \$nchan() > $n then 'none' else 'all'#</hide>
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</param>
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<param>
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<name>Ch$(n): Gain (dB)</name>
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<key>gain$(n)</key>
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<value>0</value>
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<type>real</type>
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<hide>\#if \$nchan() > $n then 'none' else 'all'#</hide>
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</param>
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<param>
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<name>Ch$(n): Antenna</name>
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<key>ant$(n)</key>
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<value></value>
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<type>string</type>
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<hide>
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\#if not \$nchan() > $n
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all
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\#elif \$ant$(n)()
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none
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\#else
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part
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\#end if
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</hide>
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</param>
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"""
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def parse_tmpl(_tmpl, **kwargs):
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from Cheetah import Template
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return str(Template.Template(_tmpl, kwargs))
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max_num_channels = 5
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if __name__ == '__main__':
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import sys
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for file in sys.argv[1:]:
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if file.endswith ('source_c.xml'):
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sourk = 'source'
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dir = 'out'
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elif file.endswith ('sink_c.xml'):
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sourk = 'sink'
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dir = 'in'
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else: raise Exception, 'is %s a source or sink?'%file
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params = ''.join([parse_tmpl(PARAMS_TMPL, n=n) for n in range(max_num_channels)])
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open(file, 'w').write(parse_tmpl(MAIN_TMPL,
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max_nchan=max_num_channels,
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params=params,
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sourk=sourk,
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dir=dir,
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))
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@ -0,0 +1,13 @@
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<?xml version="1.0"?>
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<!--
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###################################################
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##Block Tree for OsmoSDR blocks.
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###################################################
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-->
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<cat>
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<name></name> <!-- Blank for Root Name -->
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<cat>
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<name>OsmoSDR</name>
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<block>osmosdr_source_c</block>
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</cat>
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</cat>
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