diff options
| -rw-r--r-- | gr-blocks/grc/blocks_udp_source.xml | 1 | ||||
| -rw-r--r-- | grc/python/Generator.py | 12 |
2 files changed, 10 insertions, 3 deletions
diff --git a/gr-blocks/grc/blocks_udp_source.xml b/gr-blocks/grc/blocks_udp_source.xml index bca1dff8b8..3b434c107e 100644 --- a/gr-blocks/grc/blocks_udp_source.xml +++ b/gr-blocks/grc/blocks_udp_source.xml @@ -7,6 +7,7 @@ <block> <name>UDP Source</name> <key>blocks_udp_source</key> + <throttle>1</throttle> <import>from gnuradio import blocks</import> <make>blocks.udp_source($type.size*$vlen, $ipaddr, $port, $psize, $eof)</make> <callback>set_mtu($mtu)</callback> diff --git a/grc/python/Generator.py b/grc/python/Generator.py index eb24b75732..92f36cf30b 100644 --- a/grc/python/Generator.py +++ b/grc/python/Generator.py @@ -59,11 +59,17 @@ class Generator(object): def write(self): #do throttle warning - throttled = any(map(lambda b: b.throttle(), self._flow_graph.get_enabled_blocks())) - if not throttled and self._generate_options != 'hb': + throttling_blocks = filter(lambda b: b.throttle(), self._flow_graph.get_enabled_blocks()) + if not throttling_blocks and self._generate_options != 'hb': Messages.send_warning('''\ -This flow graph may not have flow control: no audio or usrp blocks found. \ +This flow graph may not have flow control: no audio or RF hardware blocks found. \ Add a Misc->Throttle block to your flow graph to avoid CPU congestion.''') + if len(throttling_blocks) > 1: + keys = set(map(lambda b: b.get_key(), throttling_blocks)) + if len(keys) > 1 and 'blocks_throttle' in keys: + Messages.send_warning('''\ +This flow graph contains a throttle block and another rate limiting block, e.g. a hardware source or sink. \ +This is usually undesired. Consider removing the throttle block.''') #generate open(self.get_file_path(), 'w').write(str(self)) if self._generate_options == 'hb': |