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secplus_rx.grc
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secplus_rx.grc
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options:
parameters:
author: ''
catch_exceptions: 'True'
category: '[GRC Hier Blocks]'
cmake_opt: ''
comment: ''
copyright: ''
description: ''
gen_cmake: 'On'
gen_linking: dynamic
generate_options: qt_gui
hier_block_src_path: '.:'
id: secplus_rx
max_nouts: '0'
output_language: python
placement: (0,0)
qt_qss_theme: ''
realtime_scheduling: ''
run: 'True'
run_command: '{python} -u {filename}'
run_options: prompt
sizing_mode: fixed
thread_safe_setters: ''
title: ''
window_size: (1000,1000)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 8]
rotation: 0
state: enabled
blocks:
- name: decim1
id: variable
parameters:
comment: ''
value: '2'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 204]
rotation: 0
state: enabled
- name: decim2
id: variable
parameters:
comment: ''
value: '50'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 268]
rotation: 0
state: enabled
- name: freq
id: variable_qtgui_chooser
parameters:
comment: ''
gui_hint: ''
label: Frequency
label0: 310 MHz
label1: 315 MHz
label2: 390 MHz
label3: ''
label4: ''
labels: '[]'
num_opts: '3'
option0: '310150000'
option1: '315150000'
option2: '390150000'
option3: '3'
option4: '4'
options: '[0, 1, 2]'
orient: Qt.QHBoxLayout
type: int
value: '315150000'
widget: radio_buttons
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [152, 332.0]
rotation: 0
state: enabled
- name: samp_rate
id: variable
parameters:
comment: ''
value: '2000000'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 76]
rotation: 0
state: enabled
- name: threshold
id: variable
parameters:
comment: ''
value: '0.05'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 332]
rotation: 0
state: enabled
- name: blocks_complex_to_mag_0
id: blocks_complex_to_mag
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
vlen: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [856, 184.0]
rotation: 0
state: enabled
- name: blocks_rotator_cc_0
id: blocks_rotator_cc
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
phase_inc: 2 * math.pi * -300e3 / samp_rate
tag_inc_update: 'False'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [432, 168.0]
rotation: 0
state: enabled
- name: import_0
id: import
parameters:
alias: ''
comment: ''
imports: import math
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 404]
rotation: 0
state: enabled
- name: osmosdr_source_0
id: osmosdr_source
parameters:
affinity: ''
alias: ''
ant0: ''
ant1: ''
ant10: ''
ant11: ''
ant12: ''
ant13: ''
ant14: ''
ant15: ''
ant16: ''
ant17: ''
ant18: ''
ant19: ''
ant2: ''
ant20: ''
ant21: ''
ant22: ''
ant23: ''
ant24: ''
ant25: ''
ant26: ''
ant27: ''
ant28: ''
ant29: ''
ant3: ''
ant30: ''
ant31: ''
ant4: ''
ant5: ''
ant6: ''
ant7: ''
ant8: ''
ant9: ''
args: ''
bb_gain0: '32'
bb_gain1: '20'
bb_gain10: '20'
bb_gain11: '20'
bb_gain12: '20'
bb_gain13: '20'
bb_gain14: '20'
bb_gain15: '20'
bb_gain16: '20'
bb_gain17: '20'
bb_gain18: '20'
bb_gain19: '20'
bb_gain2: '20'
bb_gain20: '20'
bb_gain21: '20'
bb_gain22: '20'
bb_gain23: '20'
bb_gain24: '20'
bb_gain25: '20'
bb_gain26: '20'
bb_gain27: '20'
bb_gain28: '20'
bb_gain29: '20'
bb_gain3: '20'
bb_gain30: '20'
bb_gain31: '20'
bb_gain4: '20'
bb_gain5: '20'
bb_gain6: '20'
bb_gain7: '20'
bb_gain8: '20'
bb_gain9: '20'
bw0: 1e6
bw1: '0'
bw10: '0'
bw11: '0'
bw12: '0'
bw13: '0'
bw14: '0'
bw15: '0'
bw16: '0'
bw17: '0'
bw18: '0'
bw19: '0'
bw2: '0'
bw20: '0'
bw21: '0'
bw22: '0'
bw23: '0'
bw24: '0'
bw25: '0'
bw26: '0'
bw27: '0'
bw28: '0'
bw29: '0'
bw3: '0'
bw30: '0'
bw31: '0'
bw4: '0'
bw5: '0'
bw6: '0'
bw7: '0'
bw8: '0'
bw9: '0'
clock_source0: ''
clock_source1: ''
clock_source2: ''
clock_source3: ''
clock_source4: ''
clock_source5: ''
clock_source6: ''
clock_source7: ''
comment: ''
corr0: '0'
corr1: '0'
corr10: '0'
corr11: '0'
corr12: '0'
corr13: '0'
corr14: '0'
corr15: '0'
corr16: '0'
corr17: '0'
corr18: '0'
corr19: '0'
corr2: '0'
corr20: '0'
corr21: '0'
corr22: '0'
corr23: '0'
corr24: '0'
corr25: '0'
corr26: '0'
corr27: '0'
corr28: '0'
corr29: '0'
corr3: '0'
corr30: '0'
corr31: '0'
corr4: '0'
corr5: '0'
corr6: '0'
corr7: '0'
corr8: '0'
corr9: '0'
dc_offset_mode0: '0'
dc_offset_mode1: '0'
dc_offset_mode10: '0'
dc_offset_mode11: '0'
dc_offset_mode12: '0'
dc_offset_mode13: '0'
dc_offset_mode14: '0'
dc_offset_mode15: '0'
dc_offset_mode16: '0'
dc_offset_mode17: '0'
dc_offset_mode18: '0'
dc_offset_mode19: '0'
dc_offset_mode2: '0'
dc_offset_mode20: '0'
dc_offset_mode21: '0'
dc_offset_mode22: '0'
dc_offset_mode23: '0'
dc_offset_mode24: '0'
dc_offset_mode25: '0'
dc_offset_mode26: '0'
dc_offset_mode27: '0'
dc_offset_mode28: '0'
dc_offset_mode29: '0'
dc_offset_mode3: '0'
dc_offset_mode30: '0'
dc_offset_mode31: '0'
dc_offset_mode4: '0'
dc_offset_mode5: '0'
dc_offset_mode6: '0'
dc_offset_mode7: '0'
dc_offset_mode8: '0'
dc_offset_mode9: '0'
freq0: freq - 300e3
freq1: 100e6
freq10: 100e6
freq11: 100e6
freq12: 100e6
freq13: 100e6
freq14: 100e6
freq15: 100e6
freq16: 100e6
freq17: 100e6
freq18: 100e6
freq19: 100e6
freq2: 100e6
freq20: 100e6
freq21: 100e6
freq22: 100e6
freq23: 100e6
freq24: 100e6
freq25: 100e6
freq26: 100e6
freq27: 100e6
freq28: 100e6
freq29: 100e6
freq3: 100e6
freq30: 100e6
freq31: 100e6
freq4: 100e6
freq5: 100e6
freq6: 100e6
freq7: 100e6
freq8: 100e6
freq9: 100e6
gain0: '30'
gain1: '10'
gain10: '10'
gain11: '10'
gain12: '10'
gain13: '10'
gain14: '10'
gain15: '10'
gain16: '10'
gain17: '10'
gain18: '10'
gain19: '10'
gain2: '10'
gain20: '10'
gain21: '10'
gain22: '10'
gain23: '10'
gain24: '10'
gain25: '10'
gain26: '10'
gain27: '10'
gain28: '10'
gain29: '10'
gain3: '10'
gain30: '10'
gain31: '10'
gain4: '10'
gain5: '10'
gain6: '10'
gain7: '10'
gain8: '10'
gain9: '10'
gain_mode0: 'False'
gain_mode1: 'False'
gain_mode10: 'False'
gain_mode11: 'False'
gain_mode12: 'False'
gain_mode13: 'False'
gain_mode14: 'False'
gain_mode15: 'False'
gain_mode16: 'False'
gain_mode17: 'False'
gain_mode18: 'False'
gain_mode19: 'False'
gain_mode2: 'False'
gain_mode20: 'False'
gain_mode21: 'False'
gain_mode22: 'False'
gain_mode23: 'False'
gain_mode24: 'False'
gain_mode25: 'False'
gain_mode26: 'False'
gain_mode27: 'False'
gain_mode28: 'False'
gain_mode29: 'False'
gain_mode3: 'False'
gain_mode30: 'False'
gain_mode31: 'False'
gain_mode4: 'False'
gain_mode5: 'False'
gain_mode6: 'False'
gain_mode7: 'False'
gain_mode8: 'False'
gain_mode9: 'False'
if_gain0: '32'
if_gain1: '20'
if_gain10: '20'
if_gain11: '20'
if_gain12: '20'
if_gain13: '20'
if_gain14: '20'
if_gain15: '20'
if_gain16: '20'
if_gain17: '20'
if_gain18: '20'
if_gain19: '20'
if_gain2: '20'
if_gain20: '20'
if_gain21: '20'
if_gain22: '20'
if_gain23: '20'
if_gain24: '20'
if_gain25: '20'
if_gain26: '20'
if_gain27: '20'
if_gain28: '20'
if_gain29: '20'
if_gain3: '20'
if_gain30: '20'
if_gain31: '20'
if_gain4: '20'
if_gain5: '20'
if_gain6: '20'
if_gain7: '20'
if_gain8: '20'
if_gain9: '20'
iq_balance_mode0: '0'
iq_balance_mode1: '0'
iq_balance_mode10: '0'
iq_balance_mode11: '0'
iq_balance_mode12: '0'
iq_balance_mode13: '0'
iq_balance_mode14: '0'
iq_balance_mode15: '0'
iq_balance_mode16: '0'
iq_balance_mode17: '0'
iq_balance_mode18: '0'
iq_balance_mode19: '0'
iq_balance_mode2: '0'
iq_balance_mode20: '0'
iq_balance_mode21: '0'
iq_balance_mode22: '0'
iq_balance_mode23: '0'
iq_balance_mode24: '0'
iq_balance_mode25: '0'
iq_balance_mode26: '0'
iq_balance_mode27: '0'
iq_balance_mode28: '0'
iq_balance_mode29: '0'
iq_balance_mode3: '0'
iq_balance_mode30: '0'
iq_balance_mode31: '0'
iq_balance_mode4: '0'
iq_balance_mode5: '0'
iq_balance_mode6: '0'
iq_balance_mode7: '0'
iq_balance_mode8: '0'
iq_balance_mode9: '0'
maxoutbuf: '0'
minoutbuf: '0'
nchan: '1'
num_mboards: '1'
sample_rate: samp_rate
sync: sync
time_source0: ''
time_source1: ''
time_source2: ''
time_source3: ''
time_source4: ''
time_source5: ''
time_source6: ''
time_source7: ''
type: fc32
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [136, 76.0]
rotation: 0
state: enabled
- name: qtgui_time_sink_x_0
id: qtgui_time_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
autoscale: 'False'
axislabels: 'True'
color1: blue
color10: dark blue
color2: red
color3: green
color4: black
color5: cyan
color6: magenta
color7: yellow
color8: dark red
color9: dark green
comment: ''
ctrlpanel: 'False'
entags: 'True'
grid: 'False'
gui_hint: ''
label1: ''
label10: ''
label2: ''
label3: ''
label4: ''
label5: ''
label6: ''
label7: ''
label8: ''
label9: ''
legend: 'True'
marker1: '-1'
marker10: '-1'
marker2: '-1'
marker3: '-1'
marker4: '-1'
marker5: '-1'
marker6: '-1'
marker7: '-1'
marker8: '-1'
marker9: '-1'
name: '""'
nconnections: '1'
size: 100000 // decim1 // decim2
srate: samp_rate // decim1 // decim2
stemplot: 'False'
style1: '1'
style10: '1'
style2: '1'
style3: '1'
style4: '1'
style5: '1'
style6: '1'
style7: '1'
style8: '1'
style9: '1'
tr_chan: '0'
tr_delay: '0'
tr_level: threshold
tr_mode: qtgui.TRIG_MODE_AUTO
tr_slope: qtgui.TRIG_SLOPE_POS
tr_tag: '""'
type: float
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
ylabel: Amplitude
ymax: '2'
ymin: '0'
yunit: '""'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [576, 420.0]
rotation: 180
state: enabled
- name: rational_resampler_xxx_0
id: rational_resampler_xxx
parameters:
affinity: ''
alias: ''
comment: ''
decim: decim1
fbw: '0'
interp: '1'
maxoutbuf: '0'
minoutbuf: '0'
taps: ''
type: ccc
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [664, 156.0]
rotation: 0
state: enabled
- name: rational_resampler_xxx_1
id: rational_resampler_xxx
parameters:
affinity: ''
alias: ''
comment: ''
decim: decim2
fbw: '0'
interp: '1'
maxoutbuf: '0'
minoutbuf: '0'
taps: '[1.0/decim2]*decim2'
type: fff
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [792, 332.0]
rotation: 180
state: enabled
- name: secplus_decode
id: epy_block
parameters:
_source_code: "#\n# Copyright 2016 Clayton Smith ([email protected])\n#\n# This\
\ file is part of secplus.\n#\n# secplus is free software: you can redistribute\
\ it and/or modify\n# it under the terms of the GNU General Public License as\
\ published by\n# the Free Software Foundation, either version 3 of the License,\
\ or\n# (at your option) any later version.\n#\n# secplus is distributed in\
\ the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even\
\ the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\
\ See the\n# GNU General Public License for more details.\n#\n# You should\
\ have received a copy of the GNU General Public License\n# along with secplus.\
\ If not, see <http://www.gnu.org/licenses/>.\n#\n\nimport numpy as np\nfrom\
\ gnuradio import gr\nimport secplus\n\n\nclass blk(gr.sync_block):\n \"\"\
\"Decoder for Chamberlain garage door openers\"\"\"\n\n def __init__(self,\
\ samp_rate=10000, threshold=0.02):\n gr.sync_block.__init__(\n \
\ self,\n name='Security+ Decoder',\n\n in_sig=[np.float32],\n\
\ out_sig=[]\n )\n self.samp_rate = samp_rate\n \
\ self.threshold = threshold\n self.last_sample = 0.0\n self.last_rise\
\ = 0\n self.buffer = []\n self.last_pair = []\n self.pair\
\ = []\n\n def work(self, input_items, output_items):\n for n, sample\
\ in enumerate(input_items[0]):\n current_sample = self.nitems_read(0)\
\ + n\n if self.last_sample < self.threshold <= sample:\n \
\ # rising edge\n self.last_rise = current_sample\n \
\ elif self.last_sample >= self.threshold > sample:\n \
\ # falling edge\n on_samples = current_sample - self.last_rise\n\
\ self.process_symbol(on_samples)\n if current_sample\
\ - self.last_rise > 3.25e-3 * self.samp_rate:\n self.buffer\
\ = []\n self.last_sample = sample\n return len(input_items[0])\n\
\n def process_symbol(self, on_samples):\n if on_samples < 0.35e-3\
\ * self.samp_rate:\n self.buffer = []\n elif on_samples <\
\ 0.75e-3 * self.samp_rate:\n self.buffer.append(0)\n elif\
\ on_samples < 1.25e-3 * self.samp_rate:\n self.buffer.append(1)\n\
\ elif on_samples < 1.75e-3 * self.samp_rate:\n self.buffer.append(2)\n\
\ else:\n self.buffer = []\n\n if len(self.buffer)\
\ == 21:\n self.process_buffer()\n self.buffer = []\n\n\
\ def process_buffer(self):\n if self.buffer[0] == 0:\n \
\ self.pair = self.buffer[1:21]\n elif len(self.pair) == 20 and self.buffer[0]\
\ == 2:\n self.pair += self.buffer[1:21]\n\n if len(self.pair)\
\ == 40 and self.pair != self.last_pair:\n rolling, fixed = secplus.decode(self.pair)\n\
\ print(secplus.pretty(rolling, fixed))\n self.last_pair\
\ = self.pair\n"
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: samp_rate // decim1 // decim2
threshold: threshold
states:
_io_cache: ('Security+ Decoder', 'blk', [('samp_rate', '10000'), ('threshold',
'0.02')], [('0', 'float', 1)], [], 'Decoder for Chamberlain garage door openers',
['samp_rate', 'threshold'])
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [576, 276.0]
rotation: 180
state: enabled
- name: secplus_v2_decode
id: epy_block
parameters:
_source_code: "#\n# Copyright 2020 Clayton Smith ([email protected])\n#\n# This\
\ file is part of secplus.\n#\n# secplus is free software: you can redistribute\
\ it and/or modify\n# it under the terms of the GNU General Public License as\
\ published by\n# the Free Software Foundation, either version 3 of the License,\
\ or\n# (at your option) any later version.\n#\n# secplus is distributed in\
\ the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even\
\ the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\
\ See the\n# GNU General Public License for more details.\n#\n# You should\
\ have received a copy of the GNU General Public License\n# along with secplus.\
\ If not, see <http://www.gnu.org/licenses/>.\n#\n\nimport numpy as np\nfrom\
\ gnuradio import gr\nimport secplus\n\n\nclass blk(gr.sync_block):\n \"\"\
\"Decoder for Chamberlain garage door openers\"\"\"\n\n def __init__(self,\
\ samp_rate=10000, threshold=0.02):\n gr.sync_block.__init__(\n \
\ self,\n name='Security+ 2.0 Decoder',\n\n in_sig=[np.float32],\n\
\ out_sig=[]\n )\n self.samp_rate = samp_rate\n \
\ self.threshold = threshold\n self.last_sample = 0.0\n self.last_edge\
\ = 0\n self.buffer = []\n self.pair = [None, None]\n self.pair_time\
\ = [None, None]\n\n def work(self, input_items, output_items):\n \
\ for n, sample in enumerate(input_items[0]):\n current_sample =\
\ self.nitems_read(0) + n\n if self.last_sample < self.threshold\
\ <= sample:\n # rising edge\n self.process_edge(True,\
\ current_sample - self.last_edge)\n self.last_edge = current_sample\n\
\ elif self.last_sample >= self.threshold > sample:\n \
\ # falling edge\n self.process_edge(False, current_sample\
\ - self.last_edge)\n self.last_edge = current_sample\n \
\ if current_sample - self.last_edge >= 0.625e-3 * self.samp_rate:\n \
\ self.buffer.append(0)\n self.buffer.append(0)\n\
\ self.process_buffer(current_sample)\n self.buffer\
\ = []\n self.last_sample = sample\n return len(input_items[0])\n\
\n def process_edge(self, rising, samples):\n if samples < 0.125e-3\
\ * self.samp_rate:\n self.buffer = []\n elif samples < 0.375e-3\
\ * self.samp_rate:\n self.buffer.append(0 if rising else 1)\n \
\ elif samples < 0.625e-3 * self.samp_rate:\n self.buffer.append(0\
\ if rising else 1)\n self.buffer.append(0 if rising else 1)\n \
\ else:\n self.buffer = []\n\n def process_buffer(self, current_sample):\n\
\ manchester = \"\".join(str(b) for b in self.buffer)\n start\
\ = manchester.find(\"1010101010101010101010101010101001010101\")\n if\
\ start == -1:\n return\n\n if manchester[start+44:start+48]\
\ == \"1010\":\n packet_length = 40\n elif manchester[start+44:start+48]\
\ == \"1001\":\n packet_length = 64\n else:\n return\n\
\n manchester = manchester[start:start+44+(packet_length*2)]\n \
\ baseband = []\n for i in range(0, len(manchester), 2):\n \
\ if manchester[i:i+2] == \"01\":\n baseband.append(1)\n \
\ elif manchester[i:i+2] == \"10\":\n baseband.append(0)\n\
\ else:\n return\n packet = baseband[22:]\n\
\n if baseband[20:22] == [0, 0]:\n frame_id = 0\n elif\
\ baseband[20:22] == [0, 1]:\n frame_id = 1\n else:\n \
\ return\n\n self.pair_time[frame_id] = current_sample\n\n \
\ if self.pair[frame_id] == packet:\n return\n\n self.pair[frame_id]\
\ = packet\n \n if (self.pair[frame_id ^ 1] is not None) and (len(self.pair[frame_id\
\ ^ 1]) == packet_length):\n if self.pair_time[frame_id] - self.pair_time[frame_id\
\ ^ 1] < 0.35 * self.samp_rate:\n try:\n rolling,\
\ fixed, data = secplus.decode_v2(self.pair[0] + self.pair[1])\n \
\ print(secplus.pretty_v2(rolling, fixed, data))\n except\
\ ValueError:\n pass\n"
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: samp_rate // decim1 // decim2
threshold: threshold
states:
_io_cache: ('Security+ 2.0 Decoder', 'blk', [('samp_rate', '10000'), ('threshold',
'0.02')], [('0', 'float', 1)], [], 'Decoder for Chamberlain garage door openers',
['samp_rate', 'threshold'])
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [560, 348.0]
rotation: 180
state: enabled
connections:
- [blocks_complex_to_mag_0, '0', rational_resampler_xxx_1, '0']
- [blocks_rotator_cc_0, '0', rational_resampler_xxx_0, '0']
- [osmosdr_source_0, '0', blocks_rotator_cc_0, '0']
- [rational_resampler_xxx_0, '0', blocks_complex_to_mag_0, '0']
- [rational_resampler_xxx_1, '0', qtgui_time_sink_x_0, '0']
- [rational_resampler_xxx_1, '0', secplus_decode, '0']
- [rational_resampler_xxx_1, '0', secplus_v2_decode, '0']
metadata:
file_format: 1
grc_version: 3.10.5.0