Changes for page SDR

Summary

• Page properties (1 modified, 0 added, 0 removed)
• Attachments (0 modified, 0 added, 4 removed)
  • DJTestRadioSDR.py
  • DJtestDaarioSDR.png
  • terminalDirectPython.png
  • testRadioSDR.png

Details

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Content

...	...	@@ -27,436 +27,6 @@
27	27	Le wiki me demande de lancer un script écrit en python qui se trouve :
28	28	https://raw.githubusercontent.com/pothosware/gnuradio-companion-exe/master/GNURadioHelper.py
29	29
30		-
31		-{{code language="python" title="fichier de test"}}
32		-# Copyright (c) 2015-2016 Josh Blum
33		-# SPDX-License-Identifier: BSL-1.0
34		-
35		-########################################################################
36		-## Do checks and prepare dependencies for GRC
37		-########################################################################
38		-import os
39		-import sys
40		-import inspect
41		-import tempfile
42		-import subprocess
43		-from ctypes.util import find_library
44		-
45		-########################################################################
46		-## Registry/Environment helpers
47		-########################################################################
48		-import ctypes
49		-from ctypes.wintypes import HWND, UINT, WPARAM, LPARAM, LPVOID
50		-LRESULT = LPARAM
51		-import os
52		-import sys
53		-try:
54		- import winreg
55		- unicode = str
56		-except ImportError:
57		- import _winreg as winreg # Python 2.x
58		-
59		-class Environment(object):
60		- #path = r'SYSTEM\CurrentControlSet\Control\Session Manager\Environment'
61		- #hklm = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
62		- path = r'Environment'
63		- hklm = winreg.ConnectRegistry(None, winreg.HKEY_CURRENT_USER)
64		- key = winreg.OpenKey(hklm, path, 0, winreg.KEY_READ | winreg.KEY_WRITE)
65		- SendMessage = ctypes.windll.user32.SendMessageW
66		- SendMessage.argtypes = HWND, UINT, WPARAM, LPVOID
67		- SendMessage.restype = LRESULT
68		- HWND_BROADCAST = 0xFFFF
69		- WM_SETTINGCHANGE = 0x1A
70		- NO_DEFAULT = type('NO_DEFAULT', (object,), {})()
71		-
72		- def get(self, name, default=NO_DEFAULT):
73		- try:
74		- value = winreg.QueryValueEx(self.key, name)[0]
75		- except WindowsError:
76		- if default is self.NO_DEFAULT:
77		- raise ValueError("No such registry key", name)
78		- value = default
79		- return value
80		-
81		- def set(self, name, value):
82		- if value:
83		- winreg.SetValueEx(self.key, name, 0, winreg.REG_EXPAND_SZ, value)
84		- else:
85		- winreg.DeleteValue(self.key, name)
86		- self.notify()
87		-
88		- def notify(self):
89		- self.SendMessage(
90		- self.HWND_BROADCAST, self.WM_SETTINGCHANGE, 0, u'Environment')
91		-
92		-########################################################################
93		-## determine-if-an-executable-or-library-is-32-or-64-bits-on-windows
94		-## https://stackoverflow.com/questions/1345632
95		-########################################################################
96		-import struct
97		-
98		-IMAGE_FILE_MACHINE_I386=332
99		-IMAGE_FILE_MACHINE_IA64=512
100		-IMAGE_FILE_MACHINE_AMD64=34404
101		-
102		-def getDllMachineType(path):
103		- f=open(path, "rb")
104		- s=f.read(2)
105		- if s!="MZ": raise Exception("%s is not a DLL"%path)
106		- f.seek(60)
107		- s=f.read(4)
108		- header_offset=struct.unpack("<L", s)[0]
109		- f.seek(header_offset+4)
110		- s=f.read(2)
111		- machine=struct.unpack("<H", s)[0]
112		- f.close()
113		- return machine
114		-
115		-########################################################################
116		-## Pip helpers
117		-########################################################################
118		-PIP_EXE = os.path.join(os.path.dirname(sys.executable), 'Scripts', 'pip.exe')
119		-
120		-def pip_install(arg):
121		- ret = subprocess.call([PIP_EXE, 'install', arg], shell=True)
122		- if ret != 0:
123		- print("Error: pip failed to install %s"%arg)
124		- return -1
125		-
126		-########################################################################
127		-## Python checks
128		-########################################################################
129		-def check_python_version():
130		- is_64bits = sys.maxsize > 2**32
131		- if not is_64bits:
132		- raise Exception("requires 64-bit Python")
133		-
134		- if sys.version_info.major != 2 or sys.version_info.minor != 7:
135		- raise Exception("requires Python version 2.7")
136		-
137		- if not os.path.exists(PIP_EXE):
138		- raise Exception("can't find pip executable %s"%PIP_EXE)
139		-
140		- return sys.version
141		-
142		-def handle_python_version():
143		- print("Error: Invoke/Reinstall Python2.7 for amd64")
144		- return -1
145		-
146		-########################################################################
147		-## GTK checks
148		-########################################################################
149		-def check_gtk_runtime():
150		-
151		- gtk_dll_name = "libgtk-win32-2.0-0.dll"
152		-
153		- #first check that the installer default is found
154		- installer_default = os.path.join("C:\\Program Files\\GTK2-Runtime Win64\\bin", gtk_dll_name)
155		- if os.path.exists(installer_default): return installer_default
156		-
157		- #regular dll search within the path
158		- libgtk = find_library(gtk_dll_name)
159		- if libgtk is None:
160		- raise Exception("failed to locate the GTK+ runtime DLL")
161		-
162		- #reject 32-bit versions of this dll
163		- if getDllMachineType(libgtk) != IMAGE_FILE_MACHINE_AMD64:
164		- raise Exception("%s is not AMD64"%libgtk)
165		-
166		- return libgtk
167		-
168		-def handle_gtk_runtime():
169		-
170		- GTK_URL = 'http://downloads.myriadrf.org/binaries/python27_amd64/gtk2-runtime-2.22.1-2014-02-01-ts-win64.exe'
171		- GTK_EXE = os.path.join(tempfile.gettempdir(), 'gtk2-runtime-2.22.1-2014-02-01-ts-win64.exe')
172		-
173		- if not os.path.exists(GTK_EXE):
174		-
175		- #need requests to download the exe
176		- try: import requests
177		- except: pip_install("requests")
178		- import requests
179		-
180		- #download from the url to the destination
181		- r = requests.get(GTK_URL)
182		- with open(GTK_EXE, 'wb') as fd:
183		- for chunk in r.iter_content(1024*1024):
184		- fd.write(chunk)
185		-
186		- if not os.path.exists(GTK_EXE):
187		- print("Cant find installer: %s"%GTK_EXE)
188		- print("Failed to download: %s"%GTK_URL)
189		- return -1
190		-
191		- print("Running installer: %s"%GTK_EXE)
192		- ret = subprocess.call([GTK_EXE, '/S'], shell=True) #silent install
193		- if ret != 0:
194		- print("The GTK installer failed with exit code %d"%ret)
195		- exit(ret)
196		-
197		- print("The GTK installer should have modified the system path")
198		- print("Open a new command window and re-run this script...")
199		-
200		-def check_import_gtk():
201		- import gtk
202		- return inspect.getfile(gtk)
203		-
204		-def handle_import_gtk():
205		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/pygtk-2.22.0-cp27-none-win_amd64.whl')
206		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/pygobject-2.28.6-cp27-none-win_amd64.whl')
207		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/pycairo_gtk-1.10.0-cp27-none-win_amd64.whl')
208		-
209		-########################################################################
210		-## GNU Radio checks
211		-########################################################################
212		-def guess_bin_path():
213		-
214		- #was it run from the proper install directory?
215		- path = os.path.abspath(os.path.dirname(__file__))
216		- if os.path.exists(os.path.join(path, "gnuradio-runtime.dll")): return path
217		-
218		- #otherwise search the path to find the root
219		- gnuradio_runtime = find_library("gnuradio-runtime.dll")
220		- if gnuradio_runtime: return gnuradio_runtime
221		-
222		-def check_gr_runtime():
223		- gnuradio_runtime = find_library("gnuradio-runtime.dll")
224		-
225		- if gnuradio_runtime is None:
226		- raise Exception("failed to locate the GNURadio runtime DLL")
227		-
228		- return gnuradio_runtime
229		-
230		-def handle_gr_runtime():
231		-
232		- path = guess_bin_path()
233		-
234		- #we dont know where the bin path is, this is probably an installer issue
235		- #print this message and return error so other handlers are not invoked
236		- if path is None:
237		- print("Error: PothosSDR DLLs missing from the system path")
238		- print(" See instructions to 'Add PothosSDR to the system PATH'")
239		- print(" https://github.com/pothosware/PothosSDR/wiki/Tutorial")
240		- return -1
241		-
242		- e = Environment()
243		- PATH = e.get('PATH', '')
244		- print("Current PATH: '%s'"%PATH)
245		- if not PATH: PATH = list()
246		- else: PATH = PATH.split(';')
247		-
248		- if path not in PATH:
249		- print("Adding %s to the PATH"%path)
250		- PATH.append(path)
251		- e.set('PATH', ';'.join(PATH))
252		-
253		- print("")
254		- print("The PATH for the current user has been modified")
255		- print("Open a new command window and re-run this script...")
256		-
257		-def check_import_gr():
258		- import gnuradio
259		- from gnuradio import gr
260		- return inspect.getfile(gnuradio)
261		-
262		-def handle_import_gr():
263		- binDir = guess_bin_path()
264		- path = os.path.join(os.path.dirname(binDir), 'lib', 'python2.7', 'site-packages')
265		- if not os.path.exists(path): #or use old-style path without python version
266		- path = os.path.join(os.path.dirname(binDir), 'lib', 'site-packages')
267		- path = os.path.normpath(path)
268		- print("Error: GNURadio modules missing from PYTHONPATH")
269		-
270		- print("")
271		- print("Current search path:")
272		- for searchPath in sys.path: print(" * %s"%searchPath)
273		- print("")
274		-
275		- e = Environment()
276		- PYTHONPATH = e.get('PYTHONPATH', '')
277		- print("Current PYTHONPATH: '%s'"%PYTHONPATH)
278		- if not PYTHONPATH: PYTHONPATH = list()
279		- else: PYTHONPATH = PYTHONPATH.split(';')
280		-
281		- if path not in PYTHONPATH:
282		- print("Adding %s to the PYTHONPATH"%path)
283		- PYTHONPATH.append(path)
284		- e.set('PYTHONPATH', ';'.join(PYTHONPATH))
285		-
286		- print("")
287		- print("The PYTHONPATH for the current user has been modified")
288		- print("Open a new command window and re-run this script...")
289		-
290		-def check_grc_blocks_path():
291		- GRC_BLOCKS_PATH = os.environ.get('GRC_BLOCKS_PATH', '').split(';')[0] #take the first entry
292		- if not GRC_BLOCKS_PATH:
293		- raise Exception("GRC_BLOCKS_PATH is not set")
294		- if not os.path.exists(GRC_BLOCKS_PATH):
295		- raise Exception("GRC_BLOCKS_PATH '%s' does not exist"%GRC_BLOCKS_PATH)
296		- if not os.path.exists(os.path.join(GRC_BLOCKS_PATH, 'options.xml')):
297		- raise Exception("GRC_BLOCKS_PATH '%s' does not contain options.xml"%GRC_BLOCKS_PATH)
298		- return GRC_BLOCKS_PATH
299		-
300		-def handle_grc_blocks_path():
301		- binDir = guess_bin_path()
302		- path = os.path.join(os.path.dirname(binDir), 'share', 'gnuradio', 'grc', 'blocks')
303		- path = os.path.normpath(path)
304		-
305		- print("Setting the GRC_BLOCKS_PATH to %s"%path)
306		- e = Environment()
307		- e.set('GRC_BLOCKS_PATH', path)
308		-
309		- print("")
310		- print("The GRC_BLOCKS_PATH for the current user has been modified")
311		- print("Open a new command window and re-run this script...")
312		-
313		-########################################################################
314		-## Other module checks
315		-########################################################################
316		-def check_import_numpy():
317		- import numpy
318		- return inspect.getfile(numpy)
319		-
320		-def handle_import_numpy():
321		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/numpy-1.12.0+mkl-cp27-cp27m-win_amd64.whl')
322		-
323		-def check_import_lxml():
324		- import lxml
325		- return inspect.getfile(lxml)
326		-
327		-def handle_import_lxml():
328		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/lxml-3.7.2-cp27-cp27m-win_amd64.whl')
329		-
330		-def check_import_cheetah():
331		- import Cheetah
332		- return inspect.getfile(Cheetah)
333		-
334		-def handle_import_cheetah():
335		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/Cheetah-2.4.4-cp27-none-win_amd64.whl')
336		-
337		-def check_import_wxpython():
338		- import wx
339		- import wx.glcanvas
340		- return inspect.getfile(wx)
341		-
342		-def handle_import_wxpython():
343		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/wxPython-3.0.2.0-cp27-none-win_amd64.whl')
344		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/wxPython_common-3.0.2.0-py2-none-any.whl')
345		-
346		-def check_import_pyopengl():
347		- import OpenGL
348		- import OpenGL.GL
349		- return inspect.getfile(OpenGL)
350		-
351		-def handle_import_pyopengl():
352		- print("Installing PyOpenGL with pip:")
353		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/PyOpenGL-3.1.1-cp27-cp27m-win_amd64.whl')
354		- pip_install('http://downloads.myriadrf.org/binaries/python27_amd64/PyOpenGL_accelerate-3.1.1-cp27-cp27m-win_amd64.whl')
355		- print(" Done!")
356		-
357		-CHECKS = [
358		- #first check gr runtime so we can locate the install based on runtime dll in PATH
359		- ("GR_RUNTIME", 'locate GNURadio runtime', check_gr_runtime, handle_gr_runtime),
360		-
361		- #gtk runtime is similar check for dlls in the seatch PATH (no python required)
362		- ("GTK_RUNTIME", 'locate GTK+ runtime', check_gtk_runtime, handle_gtk_runtime),
363		-
364		- #basic python environment and import checks and using pip to install from a URL
365		- ("PYVERSION", 'Python version is 2.7', check_python_version, handle_python_version),
366		- ("IMPORT_GTK", 'import gtk module', check_import_gtk, handle_import_gtk),
367		- ("IMPORT_NUMPY", 'import numpy module', check_import_numpy, handle_import_numpy),
368		- ("IMPORT_LXML", 'import lxml module', check_import_lxml, handle_import_lxml),
369		- ("IMPORT_CHEETAH", 'import Cheetah module', check_import_cheetah, handle_import_cheetah),
370		- ("IMPORT_WX", 'import wx module', check_import_wxpython, handle_import_wxpython),
371		- ("IMPORT_OPENGL", 'import OpenGL module', check_import_pyopengl, handle_import_pyopengl),
372		-
373		- #final checks for GNU Radio and GRC that set local environment variables
374		- ("GRC_BLOCKS", 'GRC blocks path set', check_grc_blocks_path, handle_grc_blocks_path),
375		- ("IMPORT_GR", 'import GNURadio module', check_import_gr, handle_import_gr),
376		-]
377		-
378		-def main():
379		- print("")
380		- print("="*40)
381		- print("== Runtime and import checks")
382		- print("="*40)
383		-
384		- maxLen = max([len(c[1]) for c in CHECKS])
385		- msgs = dict()
386		- statuses = dict()
387		- numFails = 0
388		- numPasses = 0
389		- for key, what, check, handle in CHECKS:
390		- whatStr = "%s...%s"%(what, ' '*(maxLen-len(what)))
391		- try:
392		- msg = check()
393		- statStr = "PASS"
394		- checkPassed = True
395		- numPasses += 1
396		- except Exception as ex:
397		- statStr = "FAIL"
398		- checkPassed = False
399		- msg = str(ex)
400		- numFails += 1
401		-
402		- print(" * Check %s %s"%(whatStr, statStr))
403		- msgs[key] = msg
404		- statuses[key] = checkPassed
405		-
406		- if numPasses:
407		- print("")
408		- print("="*40)
409		- print("== Checks passed summary")
410		- print("="*40)
411		- for key, what, check, handle in CHECKS:
412		- if statuses[key]: print("%s:\t%s"%(key, msgs[key]))
413		-
414		- if numFails == 0:
415		- print("")
416		- print("All checked passed! gnuradio-companion is ready to use.")
417		- return 0
418		-
419		- if numFails:
420		- print("")
421		- print("="*40)
422		- print("== Checks failed summary")
423		- print("="*40)
424		- for key, what, check, handle in CHECKS:
425		- if not statuses[key]: print("%s:\t%s"%(key, msgs[key]))
426		-
427		- if numFails:
428		- print("")
429		- print("="*40)
430		- print("== Fixing problems")
431		- print("="*40)
432		- for key, what, check, handle in CHECKS:
433		- if not statuses[key]:
434		- print("Handling issues for %s..."%key)
435		- ret = handle()
436		- #exit asap when return code provided
437		- if ret is not None: return ret
438		-
439		- print("")
440		- print("Changes made! Please re-run this script in a new terminal.")
441		-
442		-if __name__ == '__main__':
443		-
444		- #run main with exception handling
445		- ret = None
446		- try: ret = main()
447		- except Exception as ex:
448		- print("Error: %s"%str(ex))
449		-
450		- #give time to read message if opened from explorer
451		- #wait for user to press a key
452		- print("")
453		- os.system('pause')
454		-
455		- #return the error code from main
456		- if ret is None: ret = 0
457		- exit(ret)
458		-{{/code}}
459		-
460	460	Avec copier - coller, je l'ai sauvé sur mon PC.
461	461
462	462	J'ouvre le fichier avec "Edit with IDLE", ensuite via "run modul F5" , après avoir installé GTK+ runtime, il m'annonce que je dois réinstallé python 2.7, car j'avais chargé un autre 2.7.14 !
...	...	@@ -593,7 +593,7 @@
593	593
594	594	Je profite pour installer directement GQRX :
595	595
596		-~~$//sudo apt install gqrx-sdr//
	166	+~~$//sudo apt install gqrx//
597	597
598	598	Ensuite je branche ma clef DVB-t, et je regarde si le programme GQRX la trouve.
599	599
...	...	@@ -608,38 +608,4 @@
608	608	Après scan, je trouve une radio sur 98,2 MHz
609	609
610	610
611		-== GNURadio ==
612		-
613		-{{error}}
614		-Attention AVANT DE LANCER GNU COMPAGNON VOUS DEVEZ INSTALLER GQRX-SDR, SINON il vous manquera des bibliothèques !!!
615		-{{/error}}
616		-
617		-
618		-En suivant l'excellent document qui se trouve :
619		-http://f0fyf.blogspot.ch/2014/08/recepteur-fm-avec-gnuradio.html
620		-je réalise mon premier programme SDR avec ma clef RTL-SDR.
621		-
622		-[[testSDR.grc>>attach:testSDR.grc]]
623		-
624		-{{error}}
625		-Sur une version linux , mon module "Options" n'avait pas la dimension de la page !?
626		-ecrivez : 1280, 1024
627		-{{/error}}
628		-
629		-
630		-[[image:DJtestDaarioSDR.png||height="545" width="562"]]
631		-
632		-
633		-Normalement on doit pouvoir lancer directement avec le fichier python :
634		-
635		-[[DJTestRadioSDR.py>>attach:DJTestRadioSDR.py||title="fonctionne avec python 2.7"]]
636		-
637		-
638		-[[image:testRadioSDR.png||height="358" width="599"]]
639		-
640		-
641		-C'est confirmé ! depuis un terminal :
642		-
643		-~~$//python DJTestRadioSDR.py//
644		-
645		-[[image:terminalDirectPython.png||height="196" width="610"]]
	181	+== GNURadio ==

DJTestRadioSDR.py

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Dupertuis

Size

...	...	@@ -1,1 +1,0 @@
1		-7.3 KB

Content

...	...	@@ -1,220 +1,0 @@
1		-#!/usr/bin/env python2
2		-# -*- coding: utf-8 -*-
3		-##################################################
4		-# GNU Radio Python Flow Graph
5		-# Title: Test Radion SDR
6		-# Author: Jean-Yves HB9FOU
7		-# Generated: Tue Mar 27 17:01:00 2018
8		-##################################################
9		-
10		-if __name__ == '__main__':
11		- import ctypes
12		- import sys
13		- if sys.platform.startswith('linux'):
14		- try:
15		- x11 = ctypes.cdll.LoadLibrary('libX11.so')
16		- x11.XInitThreads()
17		- except:
18		- print "Warning: failed to XInitThreads()"
19		-
20		-from gnuradio import analog
21		-from gnuradio import audio
22		-from gnuradio import blocks
23		-from gnuradio import eng_notation
24		-from gnuradio import filter
25		-from gnuradio import gr
26		-from gnuradio import wxgui
27		-from gnuradio.eng_option import eng_option
28		-from gnuradio.fft import window
29		-from gnuradio.filter import firdes
30		-from gnuradio.wxgui import forms
31		-from gnuradio.wxgui import waterfallsink2
32		-from grc_gnuradio import wxgui as grc_wxgui
33		-from optparse import OptionParser
34		-import osmosdr
35		-import time
36		-import wx
37		-
38		-
39		-class DJTestRadioSDR(grc_wxgui.top_block_gui):
40		-
41		- def __init__(self):
42		- grc_wxgui.top_block_gui.__init__(self, title="Test Radion SDR")
43		- _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
44		- self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
45		-
46		- ##################################################
47		- # Variables
48		- ##################################################
49		- self.samp_rate = samp_rate = 2e6
50		- self.quadrature = quadrature = 500e3
51		- self.freq = freq = 98.2
52		- self.cutoff = cutoff = 100e3
53		- self.audio_dec = audio_dec = 10
54		- self.Volume = Volume = 8
55		-
56		- ##################################################
57		- # Blocks
58		- ##################################################
59		- _freq_sizer = wx.BoxSizer(wx.VERTICAL)
60		- self._freq_text_box = forms.text_box(
61		- parent=self.GetWin(),
62		- sizer=_freq_sizer,
63		- value=self.freq,
64		- callback=self.set_freq,
65		- label="Frequence",
66		- converter=forms.float_converter(),
67		- proportion=0,
68		- )
69		- self._freq_slider = forms.slider(
70		- parent=self.GetWin(),
71		- sizer=_freq_sizer,
72		- value=self.freq,
73		- callback=self.set_freq,
74		- minimum=88,
75		- maximum=108,
76		- num_steps=100,
77		- style=wx.SL_HORIZONTAL,
78		- cast=float,
79		- proportion=1,
80		- )
81		- self.Add(_freq_sizer)
82		- _Volume_sizer = wx.BoxSizer(wx.VERTICAL)
83		- self._Volume_text_box = forms.text_box(
84		- parent=self.GetWin(),
85		- sizer=_Volume_sizer,
86		- value=self.Volume,
87		- callback=self.set_Volume,
88		- label="volume",
89		- converter=forms.float_converter(),
90		- proportion=0,
91		- )
92		- self._Volume_slider = forms.slider(
93		- parent=self.GetWin(),
94		- sizer=_Volume_sizer,
95		- value=self.Volume,
96		- callback=self.set_Volume,
97		- minimum=0,
98		- maximum=100,
99		- num_steps=100,
100		- style=wx.SL_HORIZONTAL,
101		- cast=float,
102		- proportion=1,
103		- )
104		- self.Add(_Volume_sizer)
105		- self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
106		- self.GetWin(),
107		- baseband_freq=0,
108		- dynamic_range=100,
109		- ref_level=0,
110		- ref_scale=2.0,
111		- sample_rate=samp_rate,
112		- fft_size=512,
113		- fft_rate=15,
114		- average=False,
115		- avg_alpha=None,
116		- title="Waterfall ",
117		- )
118		- self.Add(self.wxgui_waterfallsink2_0.win)
119		- self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
120		- self.rtlsdr_source_0.set_sample_rate(samp_rate)
121		- self.rtlsdr_source_0.set_center_freq(freq*1e6, 0)
122		- self.rtlsdr_source_0.set_freq_corr(-30, 0)
123		- self.rtlsdr_source_0.set_dc_offset_mode(0, 0)
124		- self.rtlsdr_source_0.set_iq_balance_mode(0, 0)
125		- self.rtlsdr_source_0.set_gain_mode(True, 0)
126		- self.rtlsdr_source_0.set_gain(50, 0)
127		- self.rtlsdr_source_0.set_if_gain(30, 0)
128		- self.rtlsdr_source_0.set_bb_gain(20, 0)
129		- self.rtlsdr_source_0.set_antenna("1", 0)
130		- self.rtlsdr_source_0.set_bandwidth(0, 0)
131		-
132		- self.rational_resampler_xxx_1 = filter.rational_resampler_fff(
133		- interpolation=48,
134		- decimation=int(quadrature/1e3/audio_dec),
135		- taps=None,
136		- fractional_bw=None,
137		- )
138		- self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
139		- interpolation=1,
140		- decimation=int(samp_rate/quadrature),
141		- taps=None,
142		- fractional_bw=None,
143		- )
144		- self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
145		- 1, samp_rate, cutoff, 1e6, firdes.WIN_HAMMING, 6.76))
146		- self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((Volume, ))
147		- self.audio_sink_0 = audio.sink(48000, "", True)
148		- self.analog_wfm_rcv_0 = analog.wfm_rcv(
149		- quad_rate=quadrature,
150		- audio_decimation=audio_dec,
151		- )
152		-
153		- ##################################################
154		- # Connections
155		- ##################################################
156		- self.connect((self.analog_wfm_rcv_0, 0), (self.rational_resampler_xxx_1, 0))
157		- self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
158		- self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_0, 0))
159		- self.connect((self.rational_resampler_xxx_0, 0), (self.low_pass_filter_0, 0))
160		- self.connect((self.rational_resampler_xxx_1, 0), (self.blocks_multiply_const_vxx_0, 0))
161		- self.connect((self.rtlsdr_source_0, 0), (self.rational_resampler_xxx_0, 0))
162		- self.connect((self.rtlsdr_source_0, 0), (self.wxgui_waterfallsink2_0, 0))
163		-
164		- def get_samp_rate(self):
165		- return self.samp_rate
166		-
167		- def set_samp_rate(self, samp_rate):
168		- self.samp_rate = samp_rate
169		- self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, self.cutoff, 1e6, firdes.WIN_HAMMING, 6.76))
170		- self.rtlsdr_source_0.set_sample_rate(self.samp_rate)
171		- self.wxgui_waterfallsink2_0.set_sample_rate(self.samp_rate)
172		-
173		- def get_quadrature(self):
174		- return self.quadrature
175		-
176		- def set_quadrature(self, quadrature):
177		- self.quadrature = quadrature
178		-
179		- def get_freq(self):
180		- return self.freq
181		-
182		- def set_freq(self, freq):
183		- self.freq = freq
184		- self._freq_slider.set_value(self.freq)
185		- self._freq_text_box.set_value(self.freq)
186		- self.rtlsdr_source_0.set_center_freq(self.freq*1e6, 0)
187		-
188		- def get_cutoff(self):
189		- return self.cutoff
190		-
191		- def set_cutoff(self, cutoff):
192		- self.cutoff = cutoff
193		- self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, self.cutoff, 1e6, firdes.WIN_HAMMING, 6.76))
194		-
195		- def get_audio_dec(self):
196		- return self.audio_dec
197		-
198		- def set_audio_dec(self, audio_dec):
199		- self.audio_dec = audio_dec
200		-
201		- def get_Volume(self):
202		- return self.Volume
203		-
204		- def set_Volume(self, Volume):
205		- self.Volume = Volume
206		- self._Volume_slider.set_value(self.Volume)
207		- self._Volume_text_box.set_value(self.Volume)
208		- self.blocks_multiply_const_vxx_0.set_k((self.Volume, ))
209		-
210		-
211		-def main(top_block_cls=DJTestRadioSDR, options=None):
212		-
213		- tb = top_block_cls()
214		- tb.Start(True)
215		- tb.Wait()
216		-
217		-
218		-if __name__ == '__main__':
219		- main()
220		-

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