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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 controls the variables with gui controls
##@param parameters the paramater blocks
##@param blocks the signal blocks
##@param connections the connections
##@param generate_options the type of flow graph
##@param var_id2expr variable id map to expression
##@param var_id2deps variable id map to direct dependencies
##@param var_id2cbs variable id map to callback strings
########################################################
#import time
#set $DIVIDER = '#'*50
$DIVIDER
# Gnuradio Python Flow Graph
$('# Title: %s'%$flow_graph.get_option('title'))
$('# Author: %s'%$flow_graph.get_option('author'))
$('# Description: %s'%$flow_graph.get_option('description'))
$('# Generated: %s'%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'
#from gnuradio.grc.platforms.base.Constants import DATA_DIR
#from gnuradio.grc.gui.Constants import MAIN_WINDOW_PREFIX
class $(class_name)(grc_wxgui.top_block_gui):
def __init__($param_str):
grc_wxgui.top_block_gui.__init__(
self,
title="$MAIN_WINDOW_PREFIX - Executing: $flow_graph.get_option('title')",
icon="$(os.path.join($DATA_DIR, 'grc-icon-32.png'))",
)
#elif $generate_options == 'no_gui'
class $(class_name)(gr.top_block):
def __init__($param_str):
gr.top_block.__init__(self, "$flow_graph.get_option('title')")
#elif $generate_options == 'hb'
#set $in_sig = $flow_graph.get_input_signature()
#set $out_sig = $flow_graph.get_output_signature()
class $(class_name)(gr.hier_block2):
def __init__($param_str):
gr.hier_block2.__init__(
self,
"$flow_graph.get_option('title')",
gr.io_signature($in_sig.nports, $in_sig.nports, $in_sig.size*$in_sig.vlen),
gr.io_signature($out_sig.nports, $out_sig.nports, $out_sig.size*$out_sig.vlen),
)
#end if
########################################################
##Create Parameters
## Set the parameter to a property of self..
########################################################
#if $parameters
$DIVIDER
# Parameters
$DIVIDER
#end if
#for $param in $parameters
self.$param.get_id() = $param.get_id()
#end for
########################################################
##Create Variables
## Set the variable to a property of self.
## Write the first line of the variable make.
########################################################
#if $variables
$DIVIDER
# Variables
$DIVIDER
#end if
#for $var in $variables
#set $code = $var.get_make().splitlines()[0]
self.$var.get_id() = $var.get_id() = $code
#end for
########################################################
##Create Controls
## Write the variable make (excluding first line).
## Indent each line with 2 tabs.
########################################################
#if $controls
$DIVIDER
# Controls
$DIVIDER
#end if
#for $ctrl in $controls
#set $code = '\n\t\t'.join($ctrl.get_make().splitlines()[1:])
$code
#end for
########################################################
##Create Blocks
## Write the block make, and indent with 2 tabs.
########################################################
#if $blocks
$DIVIDER
# Blocks
$DIVIDER
#end if
#for $blk in filter(lambda b: b.get_make(), $blocks)
#set $code = '\n\t\t'.join($blk.get_make().splitlines())
$("self.%s = %s"%($blk.get_id(), $code))
#end for
########################################################
##Create Connections
## The port name should be the id of the parent block.
## However, port names for IO pads should be self.
########################################################
#if $connections
$DIVIDER
# Connections
$DIVIDER
#end if
#for $con in $connections
#set $source = $con.get_source()
#set $sink = $con.get_sink()
#if $source.get_parent().get_key() == 'pad_source'
#set $source_name = 'self'
#else
#set $source_name = 'self.' + $source.get_parent().get_id()
#end if
#if $sink.get_parent().get_key() == 'pad_sink'
#set $sink_name = 'self'
#else
#set $sink_name = 'self.' + $sink.get_parent().get_id()
#end if
$("self.connect((%s, %s), (%s, %s))"%(
$source_name,
$source.get_key(),
$sink_name,
$sink.get_key(),
)
)
#end for
########################################################
##Create Callbacks
## Write a set method for this variable that calls the callbacks
## and sets the direct variable dependencies.
########################################################
#for $var in $parameters + $variables
#set $id = $var.get_id()
def set_$(id)(self, $id):
self.$id = $id
#for $dep in $var_id2deps[$id]
self.set_$(dep)($var_id2expr[$dep])
#end for
#for $callback in $var_id2cbs[$id]
self.$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.
########################################################
#if $generate_options != 'hb'
if __name__ == '__main__':
tb = $(class_name)()
#if $generate_options == 'wx_gui'
tb.Run()
#elif $generate_options == 'no_gui'
tb.start()
raw_input('Press Enter to quit: ')
tb.stop()
#end if
#end if
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