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test_my_framer_block.grc
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test_my_framer_block.grc
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<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.12'?>
<flow_graph>
<timestamp>Fri May 11 14:07:03 2018</timestamp>
<block>
<key>options</key>
<param>
<key>author</key>
<value></value>
</param>
<param>
<key>window_size</key>
<value></value>
</param>
<param>
<key>category</key>
<value>[GRC Hier Blocks]</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>description</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(8, 8)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>generate_options</key>
<value>qt_gui</value>
</param>
<param>
<key>hier_block_src_path</key>
<value>.:</value>
</param>
<param>
<key>id</key>
<value>top_block</value>
</param>
<param>
<key>max_nouts</key>
<value>0</value>
</param>
<param>
<key>qt_qss_theme</key>
<value></value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>run_command</key>
<value>{python} -u {filename}</value>
</param>
<param>
<key>run_options</key>
<value>prompt</value>
</param>
<param>
<key>run</key>
<value>True</value>
</param>
<param>
<key>sizing_mode</key>
<value>fixed</value>
</param>
<param>
<key>thread_safe_setters</key>
<value></value>
</param>
<param>
<key>title</key>
<value></value>
</param>
<param>
<key>placement</key>
<value>(0,0)</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(184, 4)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>access_code</value>
</param>
<param>
<key>value</key>
<value>'0101110111101101' * 3</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(440, 4)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samp_rate</value>
</param>
<param>
<key>value</key>
<value>32000</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(344, 4)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>size</value>
</param>
<param>
<key>value</key>
<value>50</value>
</param>
</block>
<block>
<key>blocks_char_to_float</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(144, 268)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_char_to_float_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>scale</key>
<value>1</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_file_source</key>
<param>
<key>begin_tag</key>
<value>pmt.PMT_NIL</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>file</key>
<value>/Users/marcusbunn/Documents/engtelecom/TCC/programming/SDR/2600-0.txt</value>
</param>
<param>
<key>_coordinate</key>
<value>(48, 84)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_file_source_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>repeat</key>
<value>True</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_repack_bits_bb</key>
<param>
<key>k</key>
<value>8</value>
</param>
<param>
<key>l</key>
<value>1</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>endianness</key>
<value>gr.GR_LSB_FIRST</value>
</param>
<param>
<key>_coordinate</key>
<value>(176, 188)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_repack_bits_bb_0</value>
</param>
<param>
<key>len_tag_key</key>
<value>"packet_len"</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>align_output</key>
<value>False</value>
</param>
</block>
<block>
<key>blocks_stream_to_tagged_stream</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(416, 92)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_stream_to_tagged_stream_0</value>
</param>
<param>
<key>len_tag_key</key>
<value>"packet_len"</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>packet_len</key>
<value>size</value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_tag_debug</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>display</key>
<value>True</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(368, 284)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_tag_debug_0</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>filter</key>
<value>""</value>
</param>
<param>
<key>name</key>
<value></value>
</param>
<param>
<key>num_inputs</key>
<value>1</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_throttle</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(224, 92)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_throttle_0</value>
</param>
<param>
<key>ignoretag</key>
<value>True</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>samples_per_second</key>
<value>samp_rate</value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>epy_block</key>
<param>
<key>access_code</key>
<value>access_code</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>_io_cache</key>
<value>('My Frammer', 'blk', [('access_code', 'None'), ('payload_length', '100'), ('tag_name', "'length'")], [('0', 'byte', 1)], [('0', 'byte', 1)], '\n ATTENTION!\n\n This blocks works with unpacked bits in the input and in the output.\n ', ['access_code', 'payload_length', 'tag_name'])</value>
</param>
<param>
<key>_source_code</key>
<value>"""
Embedded Python Blocks:
Each time this file is saved, GRC will instantiate the first class it finds
to get ports and parameters of your block. The arguments to __init__ will
be the parameters. All of them are required to have default values!
"""
import numpy as np
from gnuradio import gr
import pmt
class blk(gr.basic_block): # other base classes are basic_block, decim_block, interp_block
"""
ATTENTION!
This blocks works with unpacked bits in the input and in the output.
"""
def __init__(self, access_code=None, payload_length=100, tag_name = "length"): # only default arguments here
"""arguments to this function show up as parameters in GRC"""
gr.basic_block.__init__(
self,
name='My Frammer', # will show up in GRC
in_sig=[np.uint8],
out_sig=[np.uint8]
)
# if an attribute with the same name as a parameter is found,
# a callback is registered (properties work, too).
self.access_code = access_code
self.payload_length = payload_length
self.tag_name = tag_name
# enum tag_propagation_policy_t { TPP_DONT = 0, TPP_ALL_TO_ALL = 1, TPP_ONE_TO_ONE = 2 }
self.set_tag_propagation_policy(0)
def general_work(self, input_items, output_items):
# print(self.tag_propagation_policy())
# vec = []
if len(input_items[0]) < 8*self.payload_length:
return 0
access_code_binary = np.array([int(b) for b in self.access_code], dtype=np.uint8)
payload = input_items[0][: 8*self.payload_length]
packet = np.concatenate([access_code_binary, payload])
if len(output_items[0]) < len(packet):
return 0
self.add_item_tag(0, # Port number
self.nitems_written(0), # Offset
pmt.intern(self.tag_name), # Key
pmt.to_pmt(len(packet)) # Value
)
output_items[0][: len(packet)] = packet
self.consume(0, 8*self.payload_length)
return len(packet)
</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(416, 180)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>epy_block_framer_test</value>
</param>
<param>
<key>payload_length</key>
<value>3</value>
</param>
<param>
<key>tag_name</key>
<value>'packet_len'</value>
</param>
</block>
<block>
<key>epy_block</key>
<param>
<key>access_code</key>
<value>access_code</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>_io_cache</key>
<value>('My Correlator Block', 'blk', [('access_code', 'None'), ('threshold', '0'), ('tag_name', "'len_key2'")], [('0', 'float', 1)], [('0', 'float', 1)], 'arguments to this function show up as parameters in GRC', ['access_code', 'tag_name', 'threshold'])</value>
</param>
<param>
<key>_source_code</key>
<value>"""
Embedded Python Blocks:
Each time this file is saved, GRC will instantiate the first class it finds
to get ports and parameters of your block. The arguments to __init__ will
be the parameters. All of them are required to have default values!
"""
import numpy as np
from gnuradio import gr
import pmt
class blk(gr.basic_block): # other base classes are basic_block, decim_block, interp_block
def __init__(self, access_code=None,threshold=0,tag_name= "len_key2"): # only default arguments here
"""arguments to this function show up as parameters in GRC"""
gr.basic_block.__init__(
self,
name='My Correlator Block', # will show up in GRC
in_sig=[np.float32],
out_sig=[np.float32]
)
# if an attribute with the same name as a parameter is found,
# a callback is registered (properties work, too).
self.access_code = access_code
self.payload_length = 100
self.threshold = threshold
self.tag_name = tag_name
self.mode = 'find'
self.set_min_output_buffer(2**16)
self.set_tag_propagation_policy(0)
def general_work(self, input_items, output_items):
if self.mode == 'output':
return self.general_work_output(input_items, output_items)
elif self.mode == 'find':
return self.general_work_find(input_items, output_items)
def general_work_output(self, input_items, output_items):
L_in = len(input_items[0])
L_out = len(output_items[0])
L_payload = self.payload_length * 8 # in bits
if L_in < L_payload or L_out < L_payload:
return 0
self.add_item_tag(0, # Port number
self.nitems_written(0), # Offset
pmt.to_pmt(self.tag_name), # Key
pmt.to_pmt(L_payload) # Value
)
output_items[0][:L_payload] = input_items[0][:L_payload]
self.consume(0, L_payload)
# ~print('Outputted {} items.'.format(L_payload))
self.mode = 'find'
return L_payload
def general_work_find(self, input_items, output_items):
L_in = len(input_items[0])
if L_in < len(self.access_code) :
return 0
#print all the tags received in this work call
nread = self.nitems_read(0)
tags = self.get_tags_in_range(0, nread, nread+L_in,pmt.intern("packet_len"))
for tag in tags:
# print tag.offset
# print (tag.key)
# self.tag_name=tag.key
self.payload_length = pmt.to_python(tag.value)
# print(self.payload_length)
break
# print pmt.pmt_symbol_to_string(tag.value)
# print(tag)
# self.key = pmt.pmt_symbol_to_string(tag.key)
access_code_binary = np.array([int(b) for b in self.access_code], dtype=np.int)
input_decoded = np.array(input_items[0] > 0, dtype=np.int)
corr = np.correlate(2*input_decoded-1, 2*access_code_binary-1)
matches = np.flatnonzero(corr >= len(self.access_code) - self.threshold)
if len(matches) == 0:
self.consume(0, L_in - len(self.access_code))
else:
self.consume(0, matches[0] + len(self.access_code))
self.mode = 'output'
return 0
</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(136, 372)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>my_correlator_test_block_get_tag</value>
</param>
<param>
<key>tag_name</key>
<value>'len_key2'</value>
</param>
<param>
<key>threshold</key>
<value>0</value>
</param>
</block>
<block>
<key>qtgui_time_sink_x</key>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>axislabels</key>
<value>True</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>entags</key>
<value>True</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(408, 372)</value>
</param>
<param>
<key>gui_hint</key>
<value></value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>False</value>
</param>
<param>
<key>id</key>
<value>qtgui_time_sink_x_0</value>
</param>
<param>
<key>legend</key>
<value>True</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>color1</key>
<value>"blue"</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>marker1</key>
<value>-1</value>
</param>
<param>
<key>style1</key>
<value>1</value>
</param>
<param>
<key>width1</key>
<value>1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>"blue"</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>marker10</key>
<value>-1</value>
</param>
<param>
<key>style10</key>
<value>1</value>
</param>
<param>
<key>width10</key>
<value>1</value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>color2</key>
<value>"red"</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>marker2</key>
<value>-1</value>
</param>
<param>
<key>style2</key>
<value>1</value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>marker3</key>
<value>-1</value>
</param>
<param>
<key>style3</key>
<value>1</value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>marker4</key>
<value>-1</value>
</param>
<param>
<key>style4</key>
<value>1</value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>marker5</key>
<value>-1</value>
</param>
<param>
<key>style5</key>
<value>1</value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>marker6</key>
<value>-1</value>
</param>
<param>
<key>style6</key>
<value>1</value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>marker7</key>
<value>-1</value>
</param>
<param>
<key>style7</key>
<value>1</value>
</param>