2 ########################################################
3 ##Cheetah template - gnuradio_python
5 ##@param imports the import statements
6 ##@param flow_graph the flow_graph
7 ##@param variables the variable blocks
8 ##@param parameters the paramater blocks
9 ##@param blocks the signal blocks
10 ##@param connections the connections
11 ##@param generate_options the type of flow graph
12 ##@param var_id2expr variable id map to expression
13 ##@param var_id2deps variable id map to direct dependencies
14 ##@param var_id2cbs variable id map to callback strings
15 ########################################################
17 #set $DIVIDER = '#'*50
19 # Gnuradio Python Flow Graph
20 $('# Title: %s'%$flow_graph.get_option('title'))
21 $('# Author: %s'%$flow_graph.get_option('author'))
22 $('# Description: %s'%$flow_graph.get_option('description'))
23 $('# Generated: %s'%time.ctime())
26 ########################################################
28 ########################################################
33 ########################################################
35 ## Write the class declaration for a top or hier block.
36 ## The parameter names are the arguments to __init__.
37 ## Determine the absolute icon path (wx gui only).
38 ## Setup the IO signature (hier block only).
39 ########################################################
40 #set $class_name = $flow_graph.get_option('id')
41 #set $param_str = ', '.join(['self'] + ['%s=%s'%(param.get_id(), param.get_make()) for param in $parameters])
42 #if $generate_options == 'wx_gui'
43 #from grc.Constants import MAIN_WINDOW_PREFIX, DATA_DIR
44 class $(class_name)(grc_wxgui.top_block_gui):
46 def __init__($param_str):
47 grc_wxgui.top_block_gui.__init__(
49 title="$MAIN_WINDOW_PREFIX - Executing: $flow_graph.get_option('title')",
50 icon="$(os.path.join($DATA_DIR, 'grc-icon-32.png'))",
52 #elif $generate_options == 'no_gui'
53 class $(class_name)(gr.top_block):
55 def __init__($param_str):
56 gr.top_block.__init__(self, "$flow_graph.get_option('title')")
57 #elif $generate_options == 'hb'
58 #set $in_sig = $flow_graph.get_input_signature()
59 #set $out_sig = $flow_graph.get_output_signature()
60 class $(class_name)(gr.hier_block2):
62 def __init__($param_str):
63 gr.hier_block2.__init__(
65 "$flow_graph.get_option('title')",
66 gr.io_signature($in_sig.nports, $in_sig.nports, $in_sig.size*$in_sig.vlen),
67 gr.io_signature($out_sig.nports, $out_sig.nports, $out_sig.size*$out_sig.vlen),
70 ########################################################
72 ## Set the parameter to a property of self..
73 ########################################################
80 #for $param in $parameters
81 self.$param.get_id() = $param.get_id()
83 ########################################################
85 ## Set the variable to a property of self.
86 ## Write the variable make, and indent with 2 tabs.
87 ########################################################
94 #for $var in $variables
95 #set $code = '\n\t\t'.join($var.get_make().splitlines())
97 self.$var.get_id() = $var.get_id()
99 ########################################################
101 ## Write the block make, and indent with 2 tabs.
102 ########################################################
109 #for $blk in filter(lambda b: b.get_make(), $blocks)
110 #set $code = '\n\t\t'.join($blk.get_make().splitlines())
111 $("self.%s = %s"%($blk.get_id(), $code))
113 ########################################################
115 ## The port name should be the id of the parent block.
116 ## However, port names for IO pads should be self.
117 ########################################################
124 #for $con in $connections
125 #set $source = $con.get_source()
126 #set $sink = $con.get_sink()
127 #if $source.get_parent().get_key() == 'pad_source'
128 #set $source_name = 'self'
130 #set $source_name = 'self.' + $source.get_parent().get_id()
132 #if $sink.get_parent().get_key() == 'pad_sink'
133 #set $sink_name = 'self'
135 #set $sink_name = 'self.' + $sink.get_parent().get_id()
137 $("self.connect((%s, %s), (%s, %s))"%(
146 ########################################################
148 ## Write a set method for this variable that calls the callbacks
149 ## and sets the direct variable dependencies.
150 ########################################################
151 #for $var in $parameters + $variables
152 #set $id = $var.get_id()
153 def set_$(id)(self, $id):
155 #for $dep in $var_id2deps[$id]
156 self.set_$(dep)($var_id2expr[$dep])
158 #for $callback in $var_id2cbs[$id]
163 ########################################################
165 ## For top block code, generate a main routine.
166 ## Instantiate the top block and run as gui or cli.
167 ########################################################
168 #if $generate_options != 'hb'
169 if __name__ == '__main__':
171 #if $generate_options == 'wx_gui'
173 #elif $generate_options == 'no_gui'
175 raw_input('Press Enter to quit: ')