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[Commit-gnuradio] r5806 - in grc/branches/jblum_work: examples notes src


From: jblum
Subject: [Commit-gnuradio] r5806 - in grc/branches/jblum_work: examples notes src src/SignalBlockDefs
Date: Thu, 21 Jun 2007 00:18:40 -0600 (MDT)

Author: jblum
Date: 2007-06-21 00:18:40 -0600 (Thu, 21 Jun 2007)
New Revision: 5806

Added:
   grc/branches/jblum_work/src/SignalBlockDefs/Custom.py
Modified:
   grc/branches/jblum_work/examples/packet_mod_demod.grc.xml
   grc/branches/jblum_work/notes/notes.txt
   grc/branches/jblum_work/src/ActionHandler.py
   grc/branches/jblum_work/src/Messages.py
   grc/branches/jblum_work/src/SignalBlockDefs/Modulators.py
   grc/branches/jblum_work/src/SignalBlockDefs/Packet.py
   grc/branches/jblum_work/src/SignalBlockDefs/SignalBlockTree.py
Log:
removed throttle from packet mod/demod, created custom block defs

Modified: grc/branches/jblum_work/examples/packet_mod_demod.grc.xml
===================================================================
--- grc/branches/jblum_work/examples/packet_mod_demod.grc.xml   2007-06-21 
00:48:03 UTC (rev 5805)
+++ grc/branches/jblum_work/examples/packet_mod_demod.grc.xml   2007-06-21 
06:18:40 UTC (rev 5806)
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <flow_graph>
-  <timestamp>1182223827.52</timestamp>
+  <timestamp>1182405771.77</timestamp>
   <hostname>tiggle</hostname>
   <version>0.70 alpha</version>
   <valid>True</valid>
@@ -9,7 +9,7 @@
   <vars>
     <var>
       <key>samp_rate</key>
-      <value>200e3</value>
+      <value>100e3</value>
       <min/>
       <max/>
       <step/>
@@ -38,42 +38,36 @@
   </vars>
   <signal_blocks>
     <signal_block>
-      <tag>About</tag>
-      <id>About0</id>
-      <x_coordinate>20</x_coordinate>
-      <y_coordinate>20</y_coordinate>
+      <tag>Note</tag>
+      <id>Note0</id>
+      <x_coordinate>408</x_coordinate>
+      <y_coordinate>270</y_coordinate>
       <rotation>0</rotation>
       <params>
-        <param>Packet Mod/Demod</param>
-        <param>Josh Blum</param>
+        <param>A demonstration of the packet framework.</param>
       </params>
     </signal_block>
     <signal_block>
-      <tag>PSK Demodulator</tag>
-      <id>PSK Demodulator0</id>
-      <x_coordinate>774</x_coordinate>
-      <y_coordinate>119</y_coordinate>
-      <rotation>270</rotation>
+      <tag>Packet Demodulator</tag>
+      <id>Packet Demodulator0</id>
+      <x_coordinate>535</x_coordinate>
+      <y_coordinate>427</y_coordinate>
+      <rotation>180</rotation>
       <params>
-        <param>0</param>
-        <param>2</param>
-        <param>0.35</param>
-        <param>0.03</param>
-        <param>0.05</param>
-        <param>0.005</param>
-        <param>0.05</param>
-        <param>0</param>
+        <param>1</param>
+        <param/>
+        <param>-1</param>
       </params>
     </signal_block>
     <signal_block>
       <tag>Scope Sink</tag>
       <id>Scope Sink0</id>
-      <x_coordinate>276</x_coordinate>
-      <y_coordinate>405</y_coordinate>
+      <x_coordinate>219</x_coordinate>
+      <y_coordinate>402</y_coordinate>
       <rotation>180</rotation>
       <params>
         <param>1</param>
-        <param>Scope</param>
+        <param>Output</param>
         <param>$samp_rate</param>
         <param>1</param>
         <param>0</param>
@@ -81,20 +75,10 @@
       </params>
     </signal_block>
     <signal_block>
-      <tag>Note</tag>
-      <id>Note0</id>
-      <x_coordinate>347</x_coordinate>
-      <y_coordinate>264</y_coordinate>
-      <rotation>0</rotation>
-      <params>
-        <param>A demonstration of the packet framework.</param>
-      </params>
-    </signal_block>
-    <signal_block>
       <tag>Signal Source</tag>
       <id>Signal Source0</id>
-      <x_coordinate>47</x_coordinate>
-      <y_coordinate>350</y_coordinate>
+      <x_coordinate>26</x_coordinate>
+      <y_coordinate>354</y_coordinate>
       <rotation>90</rotation>
       <params>
         <param>1</param>
@@ -106,79 +90,127 @@
       </params>
     </signal_block>
     <signal_block>
-      <tag>Packet Demodulator</tag>
-      <id>Packet Demodulator0</id>
-      <x_coordinate>637</x_coordinate>
-      <y_coordinate>422</y_coordinate>
-      <rotation>180</rotation>
+      <tag>Scope Sink</tag>
+      <id>Scope Sink1</id>
+      <x_coordinate>125</x_coordinate>
+      <y_coordinate>178</y_coordinate>
+      <rotation>0</rotation>
       <params>
         <param>1</param>
+        <param>Input</param>
         <param>$samp_rate</param>
-        <param/>
-        <param>-1</param>
+        <param>1</param>
+        <param>0</param>
+        <param>0.001</param>
       </params>
     </signal_block>
     <signal_block>
-      <tag>PSK Modulator</tag>
-      <id>PSK Modulator0</id>
-      <x_coordinate>546</x_coordinate>
-      <y_coordinate>30</y_coordinate>
+      <tag>Packet Modulator</tag>
+      <id>Packet Modulator0</id>
+      <x_coordinate>129</x_coordinate>
+      <y_coordinate>19</y_coordinate>
       <rotation>0</rotation>
       <params>
+        <param>1</param>
         <param>0</param>
         <param>2</param>
-        <param>0.35</param>
+        <param>512</param>
+        <param/>
         <param>0</param>
+        <param>1</param>
       </params>
     </signal_block>
     <signal_block>
-      <tag>Packet Modulator</tag>
-      <id>Packet Modulator0</id>
-      <x_coordinate>263</x_coordinate>
-      <y_coordinate>55</y_coordinate>
+      <tag>GMSK Modulator</tag>
+      <id>GMSK Modulator0</id>
+      <x_coordinate>399</x_coordinate>
+      <y_coordinate>36</y_coordinate>
       <rotation>0</rotation>
       <params>
-        <param>1</param>
-        <param>1</param>
-        <param>$samp_rate</param>
         <param>2</param>
-        <param>256</param>
-        <param/>
+        <param>0.35</param>
+      </params>
+    </signal_block>
+    <signal_block>
+      <tag>About</tag>
+      <id>About0</id>
+      <x_coordinate>480</x_coordinate>
+      <y_coordinate>176</y_coordinate>
+      <rotation>0</rotation>
+      <params>
+        <param>Packet Mod/Demod</param>
+        <param>Josh Blum</param>
+      </params>
+    </signal_block>
+    <signal_block>
+      <tag>GMSK Demodulator</tag>
+      <id>GMSK Demodulator0</id>
+      <x_coordinate>871</x_coordinate>
+      <y_coordinate>189</y_coordinate>
+      <rotation>270</rotation>
+      <params>
+        <param>2</param>
+        <param>0.05</param>
+        <param>0.5</param>
+        <param>0.005</param>
         <param>0</param>
+      </params>
+    </signal_block>
+    <signal_block>
+      <tag>Throttle</tag>
+      <id>Throttle0</id>
+      <x_coordinate>703</x_coordinate>
+      <y_coordinate>36</y_coordinate>
+      <rotation>0</rotation>
+      <params>
+        <param>0</param>
+        <param>$samp_rate*25</param>
         <param>1</param>
       </params>
     </signal_block>
   </signal_blocks>
   <connections>
     <connection>
+      <input_signal_block_id>Scope Sink1</input_signal_block_id>
+      <input_socket_index>0</input_socket_index>
+      <output_signal_block_id>Signal Source0</output_signal_block_id>
+      <output_socket_index>0</output_socket_index>
+    </connection>
+    <connection>
       <input_signal_block_id>Scope Sink0</input_signal_block_id>
       <input_socket_index>0</input_socket_index>
       <output_signal_block_id>Packet Demodulator0</output_signal_block_id>
       <output_socket_index>0</output_socket_index>
     </connection>
     <connection>
-      <input_signal_block_id>Packet Demodulator0</input_signal_block_id>
+      <input_signal_block_id>Packet Modulator0</input_signal_block_id>
       <input_socket_index>0</input_socket_index>
-      <output_signal_block_id>PSK Demodulator0</output_signal_block_id>
+      <output_signal_block_id>Signal Source0</output_signal_block_id>
       <output_socket_index>0</output_socket_index>
     </connection>
     <connection>
-      <input_signal_block_id>PSK Demodulator0</input_signal_block_id>
+      <input_signal_block_id>GMSK Modulator0</input_signal_block_id>
       <input_socket_index>0</input_socket_index>
-      <output_signal_block_id>PSK Modulator0</output_signal_block_id>
+      <output_signal_block_id>Packet Modulator0</output_signal_block_id>
       <output_socket_index>0</output_socket_index>
     </connection>
     <connection>
-      <input_signal_block_id>PSK Modulator0</input_signal_block_id>
+      <input_signal_block_id>Packet Demodulator0</input_signal_block_id>
       <input_socket_index>0</input_socket_index>
-      <output_signal_block_id>Packet Modulator0</output_signal_block_id>
+      <output_signal_block_id>GMSK Demodulator0</output_signal_block_id>
       <output_socket_index>0</output_socket_index>
     </connection>
     <connection>
-      <input_signal_block_id>Packet Modulator0</input_signal_block_id>
+      <input_signal_block_id>Throttle0</input_signal_block_id>
       <input_socket_index>0</input_socket_index>
-      <output_signal_block_id>Signal Source0</output_signal_block_id>
+      <output_signal_block_id>GMSK Modulator0</output_signal_block_id>
       <output_socket_index>0</output_socket_index>
     </connection>
+    <connection>
+      <input_signal_block_id>GMSK Demodulator0</input_signal_block_id>
+      <input_socket_index>0</input_socket_index>
+      <output_signal_block_id>Throttle0</output_signal_block_id>
+      <output_socket_index>0</output_socket_index>
+    </connection>
   </connections>
 </flow_graph>

Modified: grc/branches/jblum_work/notes/notes.txt
===================================================================
--- grc/branches/jblum_work/notes/notes.txt     2007-06-21 00:48:03 UTC (rev 
5805)
+++ grc/branches/jblum_work/notes/notes.txt     2007-06-21 06:18:40 UTC (rev 
5806)
@@ -7,11 +7,12 @@
 
 ############   Known Problems: ####################
 -in vars window, stop_editing doesnt work
+-fg.stop() doesnt kill running threads
 -file save, ask for overwrite even when appending file extension
 -blocks need to fix themselves when they go out of bounds, like in a resize
 -socket controllers should be intelligent on shrinkage
 -the nested data variables should indicate that they are nested data -> 
variable_data
--rearanging variables doesnt have a handler
+-rearanging variables in the gui doesnt have a handler
 
 ############   Features to Add:        ####################
 -save settings after close (working directory)
@@ -43,4 +44,8 @@
 
 ############   Get GTK Stock IDs:      ####################
        gtk.stock_list_ids()
+
+############   connect packet mod to demod:    ####################    
+gr.packed_to_unpacked_bb(self.bits_per_symbol(), gr.GR_MSB_FIRST)
+gr.unpack_k_bits_bb(self.bits_per_symbol())
        
\ No newline at end of file

Modified: grc/branches/jblum_work/src/ActionHandler.py
===================================================================
--- grc/branches/jblum_work/src/ActionHandler.py        2007-06-21 00:48:03 UTC 
(rev 5805)
+++ grc/branches/jblum_work/src/ActionHandler.py        2007-06-21 06:18:40 UTC 
(rev 5806)
@@ -388,7 +388,7 @@
                self.flow_graph_file_path = 
self.action_handler.flow_graph_file_path
                get_action_from_name(FLOW_GRAPH_EXEC).set_sensitive(False)
                get_action_from_name(FLOW_GRAPH_STOP).set_sensitive(True)
-               Messages.send_start_run(self.flow_graph_file_path)
+               Messages.send_start_exec(self.flow_graph_file_path)
                self.start()
                
        def run(self):  
@@ -398,7 +398,7 @@
                try:                                            
                        report = open(self.report_file, 'r')    
                        #       read all the lines of the report file into a 
list       #
-                       Messages.send_end_run(report.readlines())
+                       Messages.send_end_exec(report.readlines())
                        report.close()  
                        os.remove(self.report_file)
                except IOError: print "could not read report file: 
%s"%self.report_file

Modified: grc/branches/jblum_work/src/Messages.py
===================================================================
--- grc/branches/jblum_work/src/Messages.py     2007-06-21 00:48:03 UTC (rev 
5805)
+++ grc/branches/jblum_work/src/Messages.py     2007-06-21 06:18:40 UTC (rev 
5806)
@@ -62,13 +62,13 @@
        send('Parser Error: %s\n'%error)
        send(">>> Failue\n")            
 
-#################      methods for running flow graphs 
########################################        
-def send_start_run(file_path):
+#################      methods for executing flow graphs       
########################################        
+def send_start_exec(file_path):
        send("""\
                                                        ------------------   
Running Flow Graph   ------------------\n""")
-       send('Trying to run: "%s"'%file_path + '\n')
+       send('Trying to execute: "%s"'%file_path + '\n')
 
-def send_end_run(verbose):
+def send_end_exec(verbose):
        if verbose: 
                send(">>> Verbose:      \n")            
                for verb in verbose: send(verb)

Added: grc/branches/jblum_work/src/SignalBlockDefs/Custom.py
===================================================================
--- grc/branches/jblum_work/src/SignalBlockDefs/Custom.py                       
        (rev 0)
+++ grc/branches/jblum_work/src/SignalBlockDefs/Custom.py       2007-06-21 
06:18:40 UTC (rev 5806)
@@ -0,0 +1,37 @@
+"""
+Copyright 2007 Free Software Foundation, Inc.
+This file is part of GNU Radio
+
+GNU Radio Companion is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+GNU Radio Companion is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+"""
address@hidden SignalBlockDefs.Custom
+#Create your own custom blocks.
address@hidden You!
+
+from DataTypes import *
+from SignalBlockConstants import *
+from gnuradio import gr,blks
+
+##add custom blocks to this list and they will appear in the signal block tree 
under the "Custom" category
+CUSTOM_BLOCKS = [
+#('custom block 1', CustomBlockDef1),
+#('custom block 2', CustomBlockDef2),  
+]
+
+###########################################################################
+#Read "creating_a_signal_block_def.txt" in the notes directory, 
+#and add your own signal block definitions below:
+###########################################################################
+

Modified: grc/branches/jblum_work/src/SignalBlockDefs/Modulators.py
===================================================================
--- grc/branches/jblum_work/src/SignalBlockDefs/Modulators.py   2007-06-21 
00:48:03 UTC (rev 5805)
+++ grc/branches/jblum_work/src/SignalBlockDefs/Modulators.py   2007-06-21 
06:18:40 UTC (rev 5806)
@@ -165,7 +165,7 @@
                ('DQPSK', blks.dqpsk_mod),
                ('D8PSK', blks.d8psk_mod),
        ]), type=True)
-       sb.add_param('Samples/Symbol', Int(2, min=1))
+       sb.add_param('Samples/Symbol', Int(2, min=2))
        sb.add_param('Excess BW', Float(0.35))
        sb.add_param('Use Gray Code', Bool(true='Yes', false='No', 
default=True))
        return sb, lambda fg, type, *args: type.parse()(fg, *map(lambda a: 
a.parse(), args))
@@ -179,7 +179,7 @@
                ('DQPSK', blks.dqpsk_demod),
                ('D8PSK', blks.d8psk_demod),
        ]), type=True)
-       sb.add_param('Samples/Symbol', Int(2, min=1))
+       sb.add_param('Samples/Symbol', Int(2, min=2))
        sb.add_param('Excess BW', Float(0.35))
        sb.add_param('Costas Alpha', Float(0.03))
        sb.add_param('Gain Mu', Float(0.05))
@@ -197,7 +197,7 @@
        fcn = blks.gmsk_mod
        sb.add_input_socket('in', Byte())
        sb.add_output_socket('out', Complex())  
-       sb.add_param('Samples/Symbol', Int(2, min=1))
+       sb.add_param('Samples/Symbol', Int(2, min=2))
        sb.add_param('Filter BW', Float(0.35))
        return sb, lambda fg, *args: fcn(fg, *map(lambda a: a.parse(), args))
        
@@ -206,7 +206,7 @@
        fcn = blks.gmsk_demod
        sb.add_input_socket('in', Complex())
        sb.add_output_socket('out', Byte())     
-       sb.add_param('Samples/Symbol', Int(2, min=1))
+       sb.add_param('Samples/Symbol', Int(2, min=2))
        sb.add_param('Gain Mu', Float(0.05))
        sb.add_param('Mu', Float(0.5, min=0, max=1))
        sb.add_param('Omega Relative Limit', Float(0.005))
@@ -227,7 +227,7 @@
                ('QAM 64', blks.qam64_mod),
                ('QAM 256', blks.qam256_mod),
        ]), type=True)
-       sb.add_param('Samples/Symbol', Int(2, min=1))
+       sb.add_param('Samples/Symbol', Int(2, min=2))
        sb.add_param('Excess BW', Float(0.35))
        sb.add_param('Use Gray Code', Bool(true='Yes', false='No', 
default=True))
        return sb, lambda fg, type, *args: type.parse()(fg, *map(lambda a: 
a.parse(), args))
@@ -241,7 +241,7 @@
                ('QAM 64', blks.qam64_demod),
                ('QAM 256', blks.qam256_demod),
        ]), type=True)
-       sb.add_param('Samples/Symbol', Int(2, min=1))
+       sb.add_param('Samples/Symbol', Int(2, min=2))
        sb.add_param('Excess BW', Float(0.35))
        sb.add_param('Costas Alpha', Float(0.03))
        sb.add_param('Gain Mu', Float(0.05))

Modified: grc/branches/jblum_work/src/SignalBlockDefs/Packet.py
===================================================================
--- grc/branches/jblum_work/src/SignalBlockDefs/Packet.py       2007-06-21 
00:48:03 UTC (rev 5805)
+++ grc/branches/jblum_work/src/SignalBlockDefs/Packet.py       2007-06-21 
06:18:40 UTC (rev 5806)
@@ -23,7 +23,7 @@
 import gnuradio.gr.gr_threading as threading
 from DataTypes import *
 from gnuradio import gr,blks,packet_utils
-from SignalBlockConstants import 
all_choices,default_samp_rate,DEFAULT_QUEUE_LIMIT
+from SignalBlockConstants import all_choices,DEFAULT_QUEUE_LIMIT
 
 MAX_ACCESS_CODE_LENGTH = 64
 MAX_PACKET_LENGTH = len(packet_utils.random_mask_tuple)#4096
@@ -67,17 +67,16 @@
                
 class PacketModHelper(gr.hier_block):
        """Forward data from the gr data stream to the mod packet."""
-       def __init__(self, fg, item_size, packet_length, samp_rate, 
samples_per_symbol, bits_per_symbol, access_code, pad_for_usrp, 
use_whitener_offset):
+       def __init__(self, fg, item_size, packet_length, samples_per_symbol, 
bits_per_symbol, access_code, pad_for_usrp, use_whitener_offset):
                """!
                PacketModHelper constructor.
                @param fg the flow graph
                @param item_size the size in bytes of the input data stream
                @param packet_length the length in bytes of the packets
-               @param samp_rate the sample rate for the throttle               
                @param *args the arguments for blks.mod_pkts
                """
                #dummy modulator with access functions          
-               modulator = gr.throttle(Byte().get_num_bytes(), samp_rate)      
+               modulator = gr.skiphead(Byte().get_num_bytes(), 0)      
                modulator.samples_per_symbol = lambda: samples_per_symbol
                modulator.bits_per_symbol = lambda: bits_per_symbol
                #create the packet modulator (handles the output data stream)
@@ -99,12 +98,11 @@
 
 class PacketDemodHelper(gr.hier_block):
        """Forward data from demod packet to the gr data stream."""
-       def __init__(self, fg, item_size, samp_rate, access_code, threshold):
+       def __init__(self, fg, item_size, access_code, threshold):
                """!
                PacketDemodHelper constructor.
                @param fg the flow graph
                @param item_size the size in bytes of the output data stream
-               @param samp_rate the sample rate for the throttle               
                @param *args the arguments for blks.demod_pkts
                @param msgq_limit the queue limit for the message source
                """
@@ -113,8 +111,8 @@
                msgq = msg_source.msgq()
                def callback(ok, payload):
                        if ok: msgq.insert_tail(gr.message_from_string(payload, 
0, item_size, len(payload)/item_size))
-               #dummy demodulator + throimport gnuradio.gr.gr_threading as 
threadingttle       
-               demodulator = gr.throttle(Byte().get_num_bytes(), samp_rate)    
+               #dummy demodulator
+               demodulator = gr.skiphead(Byte().get_num_bytes(), 0)    
                #create the packet demodulator (handles the input data stream)
                packet_demod = blks.demod_pkts( 
                        fg=fg, 
@@ -145,8 +143,7 @@
                ('QAM 64', blks.qam64_mod),
                ('QAM 256', blks.qam256_mod),
        ]))
-       sb.add_param('Sampling Rate', Float(default_samp_rate)) 
-       sb.add_param('Samples/Symbol', Int(DEFAULT_QUEUE_LIMIT, min=1))
+       sb.add_param('Samples/Symbol', Int(2, min=2))
        sb.add_param('Packet Length', Int(DEFAULT_PACKET_LENGTH, min=1, 
max=MAX_PACKET_LENGTH))
        sb.add_param('Access Code', String('', max=MAX_ACCESS_CODE_LENGTH))
        sb.add_param('Pad for USRP', Bool(true='Yes', false='No', default=True))
@@ -164,17 +161,18 @@
 Pad for USRP: If true, packets are padded such that they end up a multiple of 
128 samples.
 
 Use whitener offset: If true, start of whitener XOR string is incremented each 
packet.
----
-The packet modulator has a throttle automatically attatched to it at runtime 
to save the CPU.
 '''%(MAX_PACKET_LENGTH, MAX_ACCESS_CODE_LENGTH))
-       def make(fg, type, mod_type, samp_rate, samples_per_symbol, 
packet_length, access_code, pad_for_usrp, use_whitener_offset):
+       def make(fg, type, mod_type, samples_per_symbol, packet_length, 
access_code, pad_for_usrp, use_whitener_offset):
                access_code = access_code.parse()
                if access_code == '': access_code = None        #access code 
should be None if blank
+               item_size = type.parse().get_num_bytes()                        
+               packet_length = packet_length.parse()
+               if packet_length%item_size != 0:        #verify that packet 
length is a multiple of the stream size
+                       raise ValueError('The packet length: "%d" is not a 
mutiple of the stream size: "%d".'%(packet_length, item_size))
                return PacketModHelper(
                        fg=fg, 
-                       item_size=type.parse().get_num_bytes(), 
-                       packet_length=packet_length.parse(), 
-                       samp_rate=samp_rate.parse(),
+                       item_size=item_size, 
+                       packet_length=packet_length,
                        samples_per_symbol=samples_per_symbol.parse(), 
                        bits_per_symbol=mod_type.parse().bits_per_symbol(),
                        access_code=access_code, 
@@ -189,7 +187,6 @@
        sb.add_output_socket('out', Variable(type))             #packet output
        sb.add_input_socket('in', Byte())       
        sb.add_param('Type', type, False, type=True)
-       sb.add_param('Sampling Rate', Float(default_samp_rate)) 
        sb.add_param('Access Code', String('', max=MAX_ACCESS_CODE_LENGTH))
        sb.add_param('Threshold', Int(-1))      
        sb.set_docs('''\
@@ -200,16 +197,13 @@
 Threshold: detect access_code with up to threshold bits wrong.
 
 Queue limit: maximum number of messages in message queue.
----
-The packet demodulator has a throttle automatically attatched to it at runtime 
to save the CPU.
 '''%MAX_ACCESS_CODE_LENGTH)
-       def make(fg, type, samp_rate, access_code, threshold):
+       def make(fg, type, access_code, threshold):
                access_code = access_code.parse()
                if access_code == '': access_code = None        #access code 
should be None if blank
                return PacketDemodHelper(
                        fg=fg,
                        item_size=type.parse().get_num_bytes(),
-                       samp_rate=samp_rate.parse(),
                        access_code=access_code, 
                        threshold=threshold.parse(),
                )       #build packet demodulator               

Modified: grc/branches/jblum_work/src/SignalBlockDefs/SignalBlockTree.py
===================================================================
--- grc/branches/jblum_work/src/SignalBlockDefs/SignalBlockTree.py      
2007-06-21 00:48:03 UTC (rev 5805)
+++ grc/branches/jblum_work/src/SignalBlockDefs/SignalBlockTree.py      
2007-06-21 06:18:40 UTC (rev 5806)
@@ -33,6 +33,7 @@
 import Coders
 import Trellis
 import Packet
+import Custom
 
 ##A categorized list of all signal blocks
 SB_TREE = [
@@ -184,6 +185,7 @@
                                ('About', Misc.About),
                                ('Note', Misc.Note),    
                        ]),
+                       ('Custom', Custom.CUSTOM_BLOCKS),
                ] 
                
 def get_signal_block(parent=None, coor=(0,0), rot=0, lookup_tag='', id='', 
signal_block_constructor=SignalBlock):
@@ -224,7 +226,7 @@
 cats_to_remove = list()
 for category,tags in SB_TREE:
        if len(tags) == 0: 
-               print 'Removing category "%s", it was emptied...'%category
+               print 'Removing empty category "%s"...'%category
                cats_to_remove.append((category,tags))
 for cat in cats_to_remove: SB_TREE.remove(cat)
         





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