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#!/usr/bin/env python
########################################################
##Cheetah template - gnuradio_python
##
##@param imports the import statements
##@param flow_graph the flow_graph
##@param variables the variable blocks
##@param parameters the paramater blocks
##@param blocks the signal blocks
##@param connections the connections
##@param messages the msg type connections
##@param generate_options the type of flow graph
##@param var_id2cbs variable id map to callback strings
########################################################
#def indent($code)
#set $code = '\n\t\t'.join(str($code).splitlines())
$code#slurp
#end def
#import time
#set $DIVIDER = '#'*50
$DIVIDER
# Gnuradio Python Flow Graph
# Title: $title
#if $flow_graph.get_option('author')
# Author: $flow_graph.get_option('author')
#end if
#if $flow_graph.get_option('description')
# Description: $flow_graph.get_option('description')
#end if
# Generated: $time.ctime()
$DIVIDER
########################################################
##Create Imports
########################################################
#for $imp in $imports
$imp
#end for
########################################################
##Create Class
## Write the class declaration for a top or hier block.
## The parameter names are the arguments to __init__.
## Determine the absolute icon path (wx gui only).
## Setup the IO signature (hier block only).
########################################################
#set $class_name = $flow_graph.get_option('id')
#set $param_str = ', '.join(['self'] + ['%s=%s'%(param.get_id(), param.get_make()) for param in $parameters])
#if $generate_options == 'wx_gui'
#import gtk
#set $icon = gtk.IconTheme().lookup_icon('gnuradio-grc', 32, 0)
class $(class_name)(grc_wxgui.top_block_gui):
def __init__($param_str):
grc_wxgui.top_block_gui.__init__(self, title="$title")
#if $icon
_icon_path = "$icon.get_filename()"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
#end if
#elif $generate_options == 'qt_gui'
class $(class_name)(gr.top_block, Qt.QWidget):
def __init__($param_str):
gr.top_block.__init__(self, "$title")
Qt.QWidget.__init__(self)
self.setWindowTitle("$title")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
#elif $generate_options == 'no_gui'
class $(class_name)(gr.top_block):
def __init__($param_str):
gr.top_block.__init__(self, "$title")
#elif $generate_options == 'hb'
#set $in_sigs = $flow_graph.get_io_signaturev('in')
#set $out_sigs = $flow_graph.get_io_signaturev('out')
class $(class_name)(gr.hier_block2):
#def make_io_sig($io_sigs)
#set $size_strs = ['%s*%s'%(io_sig['size'], io_sig['vlen']) for io_sig in $io_sigs]
#if len($io_sigs) == 0
gr.io_signature(0, 0, 0)#slurp
#elif len($io_sigs) == 1
gr.io_signature(1, 1, $size_strs[0])#slurp
#else
gr.io_signaturev($(len($io_sigs)), $(len($io_sigs)), [$(', '.join($size_strs))])#slurp
#end if
#end def
def __init__($param_str):
gr.hier_block2.__init__(
self, "$title",
$make_io_sig($in_sigs),
$make_io_sig($out_sigs),
)
#end if
########################################################
##Create Parameters
## Set the parameter to a property of self.
########################################################
#if $parameters
$DIVIDER
# Parameters
$DIVIDER
#end if
#for $param in $parameters
$indent($param.get_var_make())
#end for
########################################################
##Create Variables
########################################################
#if $variables
$DIVIDER
# Variables
$DIVIDER
#end if
#for $var in $variables
$indent($var.get_var_make())
#end for
########################################################
##Create Message Queues
########################################################
#if $messages
$DIVIDER
# Message Queues
$DIVIDER
#end if
#for $msg in $messages
$(msg.get_source().get_parent().get_id())_msgq_out = $(msg.get_sink().get_parent().get_id())_msgq_in = gr.msg_queue(2)
#end for
########################################################
##Create Blocks
########################################################
#if $blocks
$DIVIDER
# Blocks
$DIVIDER
#end if
#for $blk in filter(lambda b: b.get_make(), $blocks)
#if $blk in $variables
$indent($blk.get_make())
#else
self.$blk.get_id() = $indent($blk.get_make())
#end if
#end for
########################################################
##Create Connections
## The port name should be the id of the parent block.
## However, port names for IO pads should be self.
########################################################
#def make_port_sig($port)
#if $port.get_parent().get_key() == 'pad_source'
(self, $flow_graph.get_pad_sources().index($port.get_parent()))#slurp
#elif $port.get_parent().get_key() == 'pad_sink'
(self, $flow_graph.get_pad_sinks().index($port.get_parent()))#slurp
#else
(self.$port.get_parent().get_id(), $port.get_key())#slurp
#end if
#end def
#if $connections
$DIVIDER
# Connections
$DIVIDER
#end if
#for $con in $connections
#set $source = $con.get_source()
#set $sink = $con.get_sink()
##resolve virtual sources to the actual sources
#if $source.get_parent().is_virtual_source()
#set $source = $source.resolve_virtual_source()
#end if
##do not generate connections with virtual sinks
#if not $sink.get_parent().is_virtual_sink()
self.connect($make_port_sig($source), $make_port_sig($sink))
#end if
#end for
########################################################
##Create Asynch Message Connections
########################################################
#if $messages2
$DIVIDER
# Asynch Message Connections
$DIVIDER
#end if
#for $msg in $messages2
#set $sr = $msg.get_source()
#set $source = "self.%s"%($sr.get_parent().get_id())
#set $source_port = $sr.get_name();
#if $sr.get_parent().get_key() == "pad_source"
#set $source = "self"
#set $source_port = $sr.get_parent().get_param("label").get_value();
#end if
#set $sk = $msg.get_sink()
#set $sink = "self.%s"%($sk.get_parent().get_id())
#set $sink_port = $sk.get_name();
#if $sk.get_parent().get_key() == "pad_sink"
#set $sink = "self"
#set $sink_port = $sk.get_parent().get_param("label").get_value();
#end if
self.msg_connect($source, "$source_port", $sink, "$sink_port")
#end for
########################################################
##Create Callbacks
## Write a set method for this variable that calls the callbacks
########################################################
#for $var in $parameters + $variables
#set $id = $var.get_id()
def get_$(id)(self):
return self.$id
def set_$(id)(self, $id):
self.$id = $id
#for $callback in $var_id2cbs[$id]
$indent($callback)
#end for
#end for
########################################################
##Create Main
## For top block code, generate a main routine.
## Instantiate the top block and run as gui or cli.
########################################################
#def make_default($type, $param)
#if $type == 'eng_float'
eng_notation.num_to_str($param.get_make())#slurp
#else
$param.get_make()#slurp
#end if
#end def
#def make_short_id($param)
#set $short_id = $param.get_param('short_id').get_evaluated()
#if $short_id
#set $short_id = '-' + $short_id
#end if
$short_id#slurp
#end def
#if $generate_options != 'hb'
if __name__ == '__main__':
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
#set $params_eq_list = list()
#for $param in $parameters
#set $type = $param.get_param('type').get_value()
#if $type
#silent $params_eq_list.append('%s=options.%s'%($param.get_id(), $param.get_id()))
parser.add_option("$make_short_id($param)", "--$param.get_id().replace('_', '-')", dest="$param.get_id()", type="$type", default=$make_default($type, $param),
help="Set $($param.get_param('label').get_evaluated() or $param.get_id()) [default=%default]")
#end if
#end for
(options, args) = parser.parse_args()
#if $flow_graph.get_option('realtime_scheduling')
if gr.enable_realtime_scheduling() != gr.RT_OK:
print "Error: failed to enable realtime scheduling."
#end if
#if $generate_options == 'wx_gui'
tb = $(class_name)($(', '.join($params_eq_list)))
#if $flow_graph.get_option('max_nouts')
tb.Run($flow_graph.get_option('run'), $flow_graph.get_option('max_nouts'))
#else
tb.Run($flow_graph.get_option('run'))
#end if
#elif $generate_options == 'qt_gui'
qapp = Qt.QApplication(sys.argv)
tb = $(class_name)($(', '.join($params_eq_list)))
#if $flow_graph.get_option('run')
#if $flow_graph.get_option('max_nouts')
tb.start($flow_graph.get_option('max_nouts'))
#else
tb.start()
#end if
#end if
tb.show()
qapp.exec_()
tb.stop()
#elif $generate_options == 'no_gui'
tb = $(class_name)($(', '.join($params_eq_list)))
#set $run_options = $flow_graph.get_option('run_options')
#if $run_options == 'prompt'
#if $flow_graph.get_option('max_nouts')
tb.start($flow_graph.get_option('max_nouts'))
#else
tb.start()
#end if
raw_input('Press Enter to quit: ')
tb.stop()
#elif $run_options == 'run'
#if $flow_graph.get_option('max_nouts')
tb.run($flow_graph.get_option('max_nouts'))
#else
tb.run()
#end if
#end if
#end if
#end if
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