10 changed files with 167 additions and 21 deletions
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|
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<?xml version="1.0"?> |
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<block> |
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<name>variable_setter</name> |
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<key>crfa_variable_setter</key> |
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<category>[crfa]</category> |
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<import>import crfa</import> |
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<make>#set $block = 'self.%s'%$id |
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#set $varsetter = 'self.set_%s'%$varname |
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#set $guiupdater = 'self._%s_win.update_gui'%$varname |
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crfa.variable_setter("$varname",$varsetter,$guiupdater,$is_pair,$msgkey)</make> |
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<!--$(block) = crfa.variable_setter($varname,$varsetter) --> |
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<param> |
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<name>varname</name> |
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<key>varname</key> |
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<value></value> |
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<type>raw</type> |
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</param> |
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<param> |
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<name>Pair Mode</name> |
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<key>is_pair</key> |
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<value>False</value> |
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<type>enum</type> |
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<option> |
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<name>False</name> |
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<key>False</key> |
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</option> |
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<option> |
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<name>True</name> |
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<key>True</key> |
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</option> |
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</param> |
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<param> |
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<name>Key</name> |
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<key>msgkey</key> |
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<value></value> |
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<type>string</type> |
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<hide>#if $is_pair() == 'True' then 'none' else 'all'#</hide> |
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</param> |
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<!-- Make one 'sink' node per input. Sub-nodes: |
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* name (an identifier for the GUI) |
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* type |
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* vlen |
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* optional (set to 1 for optional inputs) --> |
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<sink> |
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<name>in</name> |
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<type>message</type> |
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</sink> |
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|
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<!-- Make one 'source' node per output. Sub-nodes: |
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* name (an identifier for the GUI) |
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* type |
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* vlen |
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* optional (set to 1 for optional inputs) --> |
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<doc> |
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in pair mode this block only accepts PMT pairs that have a matching CAR |
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no pair mode: block accepts pmt symbols directly |
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</doc> |
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|
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</block> |
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# |
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# Copyright 2017 <+YOU OR YOUR COMPANY+>. |
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# |
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# This is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 3, or (at your option) |
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# any later version. |
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# |
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# This software is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this software; see the file COPYING. If not, write to |
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# the Free Software Foundation, Inc., 51 Franklin Street, |
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# Boston, MA 02110-1301, USA. |
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# |
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|
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import numpy |
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from gnuradio import gr |
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import pmt |
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|
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class variable_setter(gr.sync_block): |
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""" |
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docstring for block variable_setter |
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""" |
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def __init__(self, varname,varsetter,guiupdater,is_pair,key): |
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gr.sync_block.__init__(self, |
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name="variable_setter", |
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in_sig=None, |
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out_sig=None) |
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self.varname=varname |
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self.setvar=varsetter |
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self.updateGui=guiupdater |
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self.is_pair=is_pair |
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self.key=int(key) |
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self.message_port_register_in(pmt.intern('in')) |
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self.set_msg_handler(pmt.intern('in'), self.handle_msg) |
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def handle_msg(self,msg): |
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#if self.is_pair: |
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#msgkey=pmt.to_python(pmt.car(msg)) |
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#data=pmt.to_python(pmt.cdr(msg)) |
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#print("key:%s, data: %s"%(msgkey,data)) |
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#else: |
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#msgkey=self.key#accept all messages in non-pair mode |
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#data= pmt.to_python(msg) |
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m = pmt.symbol_to_string(msg) |
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msgkey=int(m.split()[0]) |
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data=float(m.split()[1]) |
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#print("key:%s, data: %s"%(msgkey,data)) |
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if self.key==msgkey: |
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#print(data) |
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self.setvar(data) |
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self.updateGui(data) |
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#print("calling setter on %s"%self.varname) |
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