diff options
Diffstat (limited to 'grc/examples')
-rw-r--r-- | grc/examples/CMakeLists.txt | 37 | ||||
-rw-r--r-- | grc/examples/simple/variable_config.grc | 329 | ||||
-rw-r--r-- | grc/examples/xmlrpc/readme.txt | 18 | ||||
-rw-r--r-- | grc/examples/xmlrpc/xmlrpc_client.grc | 312 | ||||
-rw-r--r-- | grc/examples/xmlrpc/xmlrpc_client_script.py | 23 | ||||
-rw-r--r-- | grc/examples/xmlrpc/xmlrpc_server.grc | 384 |
6 files changed, 1103 insertions, 0 deletions
diff --git a/grc/examples/CMakeLists.txt b/grc/examples/CMakeLists.txt new file mode 100644 index 000000000..a218dbe50 --- /dev/null +++ b/grc/examples/CMakeLists.txt @@ -0,0 +1,37 @@ +# Copyright 2011 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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 3, or (at your option) +# any later version. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. + +# SIMPLE +install( + FILES + simple/variable_config.grc + DESTINATION ${GR_PKG_DATA_DIR}/examples/grc/simple + COMPONENT "grc" +) + +# XMLRPC +install( + FILES + xmlrpc/readme.txt + xmlrpc/xmlrpc_client.grc + xmlrpc/xmlrpc_client_script.py + xmlrpc/xmlrpc_server.grc + DESTINATION ${GR_PKG_DATA_DIR}/examples/grc/xmlrpc + COMPONENT "grc" +) diff --git a/grc/examples/simple/variable_config.grc b/grc/examples/simple/variable_config.grc new file mode 100644 index 000000000..95c287cce --- /dev/null +++ b/grc/examples/simple/variable_config.grc @@ -0,0 +1,329 @@ +<?xml version='1.0' encoding='ASCII'?> +<flow_graph> + <timestamp>Thu Jun 25 10:56:04 2009</timestamp> + <block> + <key>options</key> + <param> + <key>id</key> + <value>variable_config_demo</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>title</key> + <value>Variable Config Block Demonstration</value> + </param> + <param> + <key>author</key> + <value>Example</value> + </param> + <param> + <key>description</key> + <value>Save/Load freq from a config file.</value> + </param> + <param> + <key>window_size</key> + <value>1280, 1024</value> + </param> + <param> + <key>generate_options</key> + <value>wx_gui</value> + </param> + <param> + <key>category</key> + <value>Custom</value> + </param> + <param> + <key>autostart</key> + <value>True</value> + </param> + <param> + <key>realtime_scheduling</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(10, 10)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>samp_rate</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>32000</value> + </param> + <param> + <key>_coordinate</key> + <value>(10, 170)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_config</key> + <param> + <key>id</key> + <value>freq_init</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>1000</value> + </param> + <param> + <key>type</key> + <value>real</value> + </param> + <param> + <key>config_file</key> + <value>config.conf</value> + </param> + <param> + <key>section</key> + <value>main</value> + </param> + <param> + <key>option</key> + <value>freq</value> + </param> + <param> + <key>writeback</key> + <value>freq</value> + </param> + <param> + <key>_coordinate</key> + <value>(255, 17)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>freq</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Frequency (Hz)</value> + </param> + <param> + <key>value</key> + <value>freq_init</value> + </param> + <param> + <key>min</key> + <value>-samp_rate/2</value> + </param> + <param> + <key>max</key> + <value>samp_rate/2</value> + </param> + <param> + <key>num_steps</key> + <value>100</value> + </param> + <param> + <key>style</key> + <value>wx.SL_HORIZONTAL</value> + </param> + <param> + <key>converver</key> + <value>float_converter</value> + </param> + <param> + <key>grid_pos</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(429, 24)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_throttle</key> + <param> + <key>id</key> + <value>gr_throttle_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>samples_per_second</key> + <value>samp_rate</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(392, 233)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sig_source_x</key> + <param> + <key>id</key> + <value>gr_sig_source_x_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>samp_rate</key> + <value>samp_rate</value> + </param> + <param> + <key>waveform</key> + <value>gr.GR_COS_WAVE</value> + </param> + <param> + <key>freq</key> + <value>freq</value> + </param> + <param> + <key>amp</key> + <value>1</value> + </param> + <param> + <key>offset</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(148, 233)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>wxgui_fftsink2</key> + <param> + <key>id</key> + <value>wxgui_fftsink2_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>title</key> + <value>FFT Plot</value> + </param> + <param> + <key>samp_rate</key> + <value>samp_rate</value> + </param> + <param> + <key>baseband_freq</key> + <value>0</value> + </param> + <param> + <key>y_per_div</key> + <value>10</value> + </param> + <param> + <key>y_divs</key> + <value>10</value> + </param> + <param> + <key>ref_level</key> + <value>50</value> + </param> + <param> + <key>fft_size</key> + <value>1024</value> + </param> + <param> + <key>fft_rate</key> + <value>30</value> + </param> + <param> + <key>peak_hold</key> + <value>False</value> + </param> + <param> + <key>average</key> + <value>False</value> + </param> + <param> + <key>avg_alpha</key> + <value>0</value> + </param> + <param> + <key>grid_pos</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(671, 233)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <connection> + <source_block_id>gr_sig_source_x_0</source_block_id> + <sink_block_id>gr_throttle_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_throttle_0</source_block_id> + <sink_block_id>wxgui_fftsink2_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> +</flow_graph> diff --git a/grc/examples/xmlrpc/readme.txt b/grc/examples/xmlrpc/readme.txt new file mode 100644 index 000000000..056ad1e82 --- /dev/null +++ b/grc/examples/xmlrpc/readme.txt @@ -0,0 +1,18 @@ +################################################## +# XMLRPC example +################################################## + +XMLRPC allows software to make remote function calls over http. +In the case of GRC, one can use XMLRPC to modify variables in a running flow graph. +See http://www.xmlrpc.com/ + +--- Server Example --- +Place an "XMLRPC Server" block inside of any flow graph. +The server will provide set functions for every variable in the flow graph. +If a variable is called "freq", the server will provide a function set_freq(new_freq). +Run the server example and experiment with the example client script. + +-- Client Example -- +The "XMLRPC Client" block will give a variable control over one remove function. +In the example client, there is one client block and gui control per variable. +This technique can be used to remotely control a flow graph, perhaps running on a non-gui machine. diff --git a/grc/examples/xmlrpc/xmlrpc_client.grc b/grc/examples/xmlrpc/xmlrpc_client.grc new file mode 100644 index 000000000..3bb4e7ed3 --- /dev/null +++ b/grc/examples/xmlrpc/xmlrpc_client.grc @@ -0,0 +1,312 @@ +<?xml version='1.0' encoding='ASCII'?> +<flow_graph> + <timestamp>Thu Jul 24 14:27:44 2008</timestamp> + <block> + <key>options</key> + <param> + <key>id</key> + <value>client_block</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>title</key> + <value>XMLRPC Client</value> + </param> + <param> + <key>author</key> + <value>Example</value> + </param> + <param> + <key>description</key> + <value>example flow graph</value> + </param> + <param> + <key>window_size</key> + <value>1280, 1024</value> + </param> + <param> + <key>generate_options</key> + <value>wx_gui</value> + </param> + <param> + <key>category</key> + <value>Custom</value> + </param> + <param> + <key>_coordinate</key> + <value>(10, 10)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>xmlrpc_client</key> + <param> + <key>id</key> + <value>xmlrpc_client0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>addr</key> + <value>localhost</value> + </param> + <param> + <key>port</key> + <value>1234</value> + </param> + <param> + <key>callback</key> + <value>set_ampl</value> + </param> + <param> + <key>variable</key> + <value>ampl</value> + </param> + <param> + <key>_coordinate</key> + <value>(409, 35)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>xmlrpc_client</key> + <param> + <key>id</key> + <value>xmlrpc_client</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>addr</key> + <value>localhost</value> + </param> + <param> + <key>port</key> + <value>1234</value> + </param> + <param> + <key>callback</key> + <value>set_freq</value> + </param> + <param> + <key>variable</key> + <value>freq</value> + </param> + <param> + <key>_coordinate</key> + <value>(222, 34)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>freq</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Frequency (Hz)</value> + </param> + <param> + <key>value</key> + <value>1000</value> + </param> + <param> + <key>min</key> + <value>0</value> + </param> + <param> + <key>max</key> + <value>5000</value> + </param> + <param> + <key>num_steps</key> + <value>100</value> + </param> + <param> + <key>slider_type</key> + <value>horizontal</value> + </param> + <param> + <key>grid_pos</key> + <value>0, 0, 1, 2</value> + </param> + <param> + <key>_coordinate</key> + <value>(207, 162)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>ampl</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Amplitude</value> + </param> + <param> + <key>value</key> + <value>1</value> + </param> + <param> + <key>min</key> + <value>0</value> + </param> + <param> + <key>max</key> + <value>2</value> + </param> + <param> + <key>num_steps</key> + <value>100</value> + </param> + <param> + <key>slider_type</key> + <value>horizontal</value> + </param> + <param> + <key>grid_pos</key> + <value>1, 0, 1, 2</value> + </param> + <param> + <key>_coordinate</key> + <value>(397, 167)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_chooser</key> + <param> + <key>id</key> + <value>offset</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Offset</value> + </param> + <param> + <key>value_index</key> + <value>1</value> + </param> + <param> + <key>choices</key> + <value>[-1, 0, 1]</value> + </param> + <param> + <key>labels</key> + <value>["neg", "zero", "pos"]</value> + </param> + <param> + <key>chooser_type</key> + <value>radio_buttons_horizontal</value> + </param> + <param> + <key>grid_pos</key> + <value>2, 0, 1, 2</value> + </param> + <param> + <key>_coordinate</key> + <value>(596, 177)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>xmlrpc_client</key> + <param> + <key>id</key> + <value>xmlrpc_client1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>addr</key> + <value>localhost</value> + </param> + <param> + <key>port</key> + <value>1234</value> + </param> + <param> + <key>callback</key> + <value>set_offset</value> + </param> + <param> + <key>variable</key> + <value>offset*ampl</value> + </param> + <param> + <key>_coordinate</key> + <value>(608, 39)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>samp_rate</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>32000</value> + </param> + <param> + <key>_coordinate</key> + <value>(13, 172)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> +</flow_graph>
\ No newline at end of file diff --git a/grc/examples/xmlrpc/xmlrpc_client_script.py b/grc/examples/xmlrpc/xmlrpc_client_script.py new file mode 100644 index 000000000..8f00fa55d --- /dev/null +++ b/grc/examples/xmlrpc/xmlrpc_client_script.py @@ -0,0 +1,23 @@ +#!/usr/bin/env python + +import time +import random +import xmlrpclib + +#create server object +s = xmlrpclib.Server("http://localhost:1234") + +#randomly change parameters of the sinusoid +for i in range(10): + #generate random values + new_freq = random.uniform(0, 5000) + new_ampl = random.uniform(0, 2) + new_offset = random.uniform(-1, 1) + #set new values + time.sleep(1) + s.set_freq(new_freq) + time.sleep(1) + s.set_ampl(new_ampl) + time.sleep(1) + s.set_offset(new_offset) + diff --git a/grc/examples/xmlrpc/xmlrpc_server.grc b/grc/examples/xmlrpc/xmlrpc_server.grc new file mode 100644 index 000000000..dc539ef1b --- /dev/null +++ b/grc/examples/xmlrpc/xmlrpc_server.grc @@ -0,0 +1,384 @@ +<?xml version='1.0' encoding='ASCII'?> +<flow_graph> + <timestamp>Thu Jul 24 14:27:42 2008</timestamp> + <block> + <key>options</key> + <param> + <key>id</key> + <value>server_block</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>title</key> + <value>XMLRPC Server</value> + </param> + <param> + <key>author</key> + <value>Example</value> + </param> + <param> + <key>description</key> + <value>example flow graph</value> + </param> + <param> + <key>window_size</key> + <value>1280, 1024</value> + </param> + <param> + <key>generate_options</key> + <value>wx_gui</value> + </param> + <param> + <key>category</key> + <value>Custom</value> + </param> + <param> + <key>_coordinate</key> + <value>(10, 10)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sig_source_x</key> + <param> + <key>id</key> + <value>gr_sig_source_x</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>samp_rate</key> + <value>samp_rate</value> + </param> + <param> + <key>waveform</key> + <value>gr.GR_COS_WAVE</value> + </param> + <param> + <key>freq</key> + <value>freq</value> + </param> + <param> + <key>amp</key> + <value>ampl</value> + </param> + <param> + <key>offset</key> + <value>offset</value> + </param> + <param> + <key>_coordinate</key> + <value>(162, 200)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>offset</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(12, 390)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>xmlrpc_server</key> + <param> + <key>id</key> + <value>xmlrpc_server</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>addr</key> + <value>localhost</value> + </param> + <param> + <key>port</key> + <value>1234</value> + </param> + <param> + <key>_coordinate</key> + <value>(395, 240)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_throttle</key> + <param> + <key>id</key> + <value>gr_throttle</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>samples_per_second</key> + <value>samp_rate</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(386, 93)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>wxgui_scopesink2</key> + <param> + <key>id</key> + <value>wxgui_scopesink2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>title</key> + <value>Scope Plot</value> + </param> + <param> + <key>samp_rate</key> + <value>samp_rate</value> + </param> + <param> + <key>frame_decim</key> + <value>15</value> + </param> + <param> + <key>v_scale</key> + <value>0</value> + </param> + <param> + <key>t_scale</key> + <value>.001</value> + </param> + <param> + <key>marker</key> + <value>set_format_line</value> + </param> + <param> + <key>num_inputs</key> + <value>1</value> + </param> + <param> + <key>grid_pos</key> + <value>0, 0, 2, 4</value> + </param> + <param> + <key>_coordinate</key> + <value>(623, 28)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>wxgui_fftsink2</key> + <param> + <key>id</key> + <value>wxgui_fftsink2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>title</key> + <value>FFT Plot</value> + </param> + <param> + <key>samp_rate</key> + <value>samp_rate</value> + </param> + <param> + <key>baseband_freq</key> + <value>0</value> + </param> + <param> + <key>y_per_div</key> + <value>10</value> + </param> + <param> + <key>y_divs</key> + <value>8</value> + </param> + <param> + <key>ref_level</key> + <value>50</value> + </param> + <param> + <key>fft_size</key> + <value>512</value> + </param> + <param> + <key>fft_rate</key> + <value>15</value> + </param> + <param> + <key>avg_alpha</key> + <value>0</value> + </param> + <param> + <key>average</key> + <value>False</value> + </param> + <param> + <key>peak_hold</key> + <value>False</value> + </param> + <param> + <key>grid_pos</key> + <value>2, 0, 2, 4</value> + </param> + <param> + <key>_coordinate</key> + <value>(630, 233)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>samp_rate</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>32000</value> + </param> + <param> + <key>_coordinate</key> + <value>(11, 160)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>freq</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>1000</value> + </param> + <param> + <key>_coordinate</key> + <value>(11, 237)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>ampl</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(13, 315)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <connection> + <source_block_id>gr_sig_source_x</source_block_id> + <sink_block_id>gr_throttle</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_throttle</source_block_id> + <sink_block_id>wxgui_scopesink2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_throttle</source_block_id> + <sink_block_id>wxgui_fftsink2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> +</flow_graph>
\ No newline at end of file |