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 controls the variables with gui controls
9 ##@param parameters the paramater blocks
10 ##@param blocks the signal blocks
11 ##@param connections the connections
12 ##@param generate_options the type of flow graph
13 ##@param var_id2expr variable id map to expression
14 ##@param var_id2deps variable id map to direct dependencies
15 ##@param var_id2cbs variable id map to callback strings
16 ########################################################
18 #set $DIVIDER = '#'*50
20 # Gnuradio Python Flow Graph
21 $('# Title: %s'%$flow_graph.get_option('title'))
22 $('# Author: %s'%$flow_graph.get_option('author'))
23 $('# Description: %s'%$flow_graph.get_option('description'))
24 $('# Generated: %s'%time.ctime())
27 ########################################################
29 ########################################################
34 ########################################################
36 ## Write the class declaration for a top or hier block.
37 ## The parameter names are the arguments to __init__.
38 ## Determine the absolute icon path (wx gui only).
39 ## Setup the IO signature (hier block only).
40 ########################################################
41 #set $class_name = $flow_graph.get_option('id')
42 #set $param_str = ', '.join(['self'] + ['%s=%s'%(param.get_id(), param.get_make()) for param in $parameters])
43 #if $generate_options == 'wx_gui'
44 #from grc.Constants import MAIN_WINDOW_PREFIX, DATA_DIR
45 class $(class_name)(grc_wxgui.top_block_gui):
47 def __init__($param_str):
48 grc_wxgui.top_block_gui.__init__(
50 title="$MAIN_WINDOW_PREFIX - Executing: $flow_graph.get_option('title')",
51 icon="$(os.path.join($DATA_DIR, 'grc-icon-32.png'))",
53 #elif $generate_options == 'no_gui'
54 class $(class_name)(gr.top_block):
56 def __init__($param_str):
57 gr.top_block.__init__(self, "$flow_graph.get_option('title')")
58 #elif $generate_options == 'hb'
59 #set $in_sig = $flow_graph.get_input_signature()
60 #set $out_sig = $flow_graph.get_output_signature()
61 class $(class_name)(gr.hier_block2):
63 def __init__($param_str):
64 gr.hier_block2.__init__(
66 "$flow_graph.get_option('title')",
67 gr.io_signature($in_sig.nports, $in_sig.nports, $in_sig.size*$in_sig.vlen),
68 gr.io_signature($out_sig.nports, $out_sig.nports, $out_sig.size*$out_sig.vlen),
71 ########################################################
73 ## Set the parameter to a property of self..
74 ########################################################
81 #for $param in $parameters
82 self.$param.get_id() = $param.get_id()
84 ########################################################
86 ## Set the variable to a property of self.
87 ## Write the first line of the variable make.
88 ########################################################
95 #for $var in $variables
96 #set $code = $var.get_make().splitlines()[0]
97 self.$var.get_id() = $var.get_id() = $code
99 ########################################################
101 ## Write the variable make (excluding first line).
102 ## Indent each line with 2 tabs.
103 ########################################################
110 #for $ctrl in $controls
111 #set $code = '\n\t\t'.join($ctrl.get_make().splitlines()[1:])
114 ########################################################
116 ## Write the block make, and indent with 2 tabs.
117 ########################################################
124 #for $blk in filter(lambda b: b.get_make(), $blocks)
125 #set $code = '\n\t\t'.join($blk.get_make().splitlines())
126 $("self.%s = %s"%($blk.get_id(), $code))
128 ########################################################
130 ## The port name should be the id of the parent block.
131 ## However, port names for IO pads should be self.
132 ########################################################
139 #for $con in $connections
140 #set $source = $con.get_source()
141 #set $sink = $con.get_sink()
142 #if $source.get_parent().get_key() == 'pad_source'
143 #set $source_name = 'self'
145 #set $source_name = 'self.' + $source.get_parent().get_id()
147 #if $sink.get_parent().get_key() == 'pad_sink'
148 #set $sink_name = 'self'
150 #set $sink_name = 'self.' + $sink.get_parent().get_id()
152 $("self.connect((%s, %s), (%s, %s))"%(
161 ########################################################
163 ## Write a set method for this variable that calls the callbacks
164 ## and sets the direct variable dependencies.
165 ########################################################
166 #for $var in $parameters + $variables
167 #set $id = $var.get_id()
168 def set_$(id)(self, $id):
170 #for $dep in $var_id2deps[$id]
171 self.set_$(dep)($var_id2expr[$dep])
173 #for $callback in $var_id2cbs[$id]
178 ########################################################
180 ## For top block code, generate a main routine.
181 ## Instantiate the top block and run as gui or cli.
182 ########################################################
183 #if $generate_options != 'hb'
184 if __name__ == '__main__':
186 #if $generate_options == 'wx_gui'
188 #elif $generate_options == 'no_gui'
190 raw_input('Press Enter to quit: ')