diff --git a/.gitignore b/.gitignore index 0d20b64..6a211b7 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,3 @@ *.pyc +*.swp +tags diff --git a/README.md b/README.md index 9717f9d..d308c36 100644 --- a/README.md +++ b/README.md @@ -1,21 +1,26 @@ OpenWebRX ========= +[:floppy_disk: Setup guide for Ubuntu](http://blog.sdr.hu/2015/06/30/quick-setup-openwebrx.html) | [:blue_book: Knowledge base on the Wiki](https://github.com/simonyiszk/openwebrx/wiki/) | [:earth_americas: Receivers on SDR.hu](http://sdr.hu/) + OpenWebRX is a multi-user SDR receiver software with a web interface. -![OpenWebRX](/screenshot.png?raw=true) +![OpenWebRX](http://blog.sdr.hu/images/openwebrx/screenshot.png) It has the following features: -- libcsdr based demodulators (AM/FM/SSB), +- csdr based demodulators (AM/FM/SSB/CW/BPSK31), - filter passband can be set from GUI, - waterfall display can be shifted back in time, -- it extensively uses HTML5 features like WebSocket, Web Audio API, and <canvas>. +- it extensively uses HTML5 features like WebSocket, Web Audio API, and <canvas>, - it works in Google Chrome, Chromium (above version 37) and Mozilla Firefox (above version 28), -- currently supports RTL-SDR and HackRF; other SDR hardware may be easily added. +- currently supports RTL-SDR, HackRF, SDRplay, AirSpy and many other devices, see the OpenWebRX Wiki, +- it has a 3D waterfall display: + +![OpenWebRX 3D waterfall](http://blog.sdr.hu/images/openwebrx/screenshot-3d.gif) **News (2015-08-18)** -- My BSc. thesis written on OpenWebRX is available here. +- My BSc. thesis written on OpenWebRX is available here. - Several bugs were fixed to improve reliability and stability. - OpenWebRX now supports compression of audio and waterfall stream, so the required network uplink bandwidth has been decreased from 2 Mbit/s to about 200 kbit/s per client! (Measured with the default settings. It is also dependent on `fft_size`.) - OpenWebRX now uses sdr.js (*libcsdr* compiled to JavaScript) for some client-side DSP tasks. @@ -28,13 +33,20 @@ It has the following features: - OpenWebRX now supports URLs like: `http://localhost:8073/#freq=145555000,mod=usb` - UI improvements were made, thanks to John Seamons and Gnoxter. -> When upgrading OpenWebRX, please make sure that you also upgrade *csdr*, and install the new dependency, *ncat*! +**News (2017-04-04)** +- *ncat* has been replaced with a custom implementation called *nmux* due to a bug that caused regular crashes on some machines. The *nmux* tool is part of the *csdr* package. +- Most consumer SDR devices are supported via rx_tools, see the OpenWebRX Wiki on that. + +**News (2017-07-12)** +- OpenWebRX now has a BPSK31 demodulator and a 3D waterfall display. + +> When upgrading OpenWebRX, please make sure that you also upgrade *csdr*! ## OpenWebRX servers on SDR.hu [SDR.hu](http://sdr.hu) is a site which lists the active, public OpenWebRX servers. Your receiver [can also be part of it](http://sdr.hu/openwebrx), if you want. -![sdr.hu](/screenshot-sdrhu.png?raw=true) +![sdr.hu](http://blog.sdr.hu/images/openwebrx/screenshot-sdrhu.png) ## Setup @@ -44,11 +56,6 @@ First you will need to install the dependencies: - libcsdr - rtl-sdr -- ncat (On Debian/Ubuntu, it is in the *nmap* package). - -> By the way, *nmap* is a tool commonly used for auditing network security, and it is not used by OpenWebRX in any way. We need to install it, because the *ncat* command is packaged with it. -> -> *ncat* is a better *netcat* alternative, which is used by OpenWebRX for internally distributing the I/Q data stream. It also solves the problem of having different versions of *netcat* on different Linux distributions, which are not compatible by their command-line arguments. After cloning this repository and connecting an RTL-SDR dongle to your computer, you can run the server: @@ -62,7 +69,7 @@ Please note that the server is also listening on the following ports (on localho Now the next step is to customize the parameters of your server in `config_webrx.py`. -Actually, if you do something cool with OpenWebRX (or just have a problem), please drop me a mail: +Actually, if you do something cool with OpenWebRX, please drop me a mail: *Andras Retzler, HA7ILM <randras@sdr.hu>* ## Usage tips @@ -85,4 +92,4 @@ If you want to run OpenWebRX on a remote server instead of *localhost*, do not f OpenWebRX is available under Affero GPL v3 license (summary). -OpenWebRX is also available under a commercial license on request. Please contact me at the address *<randras@sdr.hu>* for other licensing options. +OpenWebRX is also available under a commercial license on request. Please contact me at the address *<randras@sdr.hu>* for licensing options. diff --git a/config_webrx.py b/config_webrx.py index ea693c1..34e480c 100644 --- a/config_webrx.py +++ b/config_webrx.py @@ -3,9 +3,9 @@ """ config_webrx: configuration options for OpenWebRX - This file is part of OpenWebRX, - an open-source SDR receiver software with a web UI. - Copyright (c) 2013-2015 by Andras Retzler + This file is part of OpenWebRX, + an open-source SDR receiver software with a web UI. + Copyright (c) 2013-2015 by Andras Retzler This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as @@ -20,15 +20,15 @@ config_webrx: configuration options for OpenWebRX You should have received a copy of the GNU Affero General Public License along with this program. If not, see . - ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ - In addition, as a special exception, the copyright holders - state that config_rtl.py and config_webrx.py are not part of the - Corresponding Source defined in GNU AGPL version 3 section 1. + In addition, as a special exception, the copyright holders + state that config_rtl.py and config_webrx.py are not part of the + Corresponding Source defined in GNU AGPL version 3 section 1. - (It means that you do not have to redistribute config_rtl.py and - config_webrx.py if you make any changes to these two configuration files, - and use them for running your web service with OpenWebRX.) + (It means that you do not have to redistribute config_rtl.py and + config_webrx.py if you make any changes to these two configuration files, + and use them for running your web service with OpenWebRX.) """ # NOTE: you can find additional information about configuring OpenWebRX in the Wiki: @@ -67,34 +67,49 @@ sdrhu_key = "" sdrhu_public_listing = False # ==== DSP/RX settings ==== -dsp_plugin="csdr" fft_fps=9 -fft_size=4096 -samp_rate = 250000 +fft_size=4096 #Should be power of 2 +fft_voverlap_factor=0.3 #If fft_voverlap_factor is above 0, multiple FFTs will be used for creating a line on the diagram. -center_freq = 145525000 +# samp_rate = 250000 +samp_rate = 2400000 +center_freq = 144250000 rf_gain = 5 #in dB. For an RTL-SDR, rf_gain=0 will set the tuner to auto gain mode, else it will be in manual gain mode. ppm = 0 audio_compression="adpcm" #valid values: "adpcm", "none" fft_compression="adpcm" #valid values: "adpcm", "none" +digimodes_enable=True #Decoding digimodes come with higher CPU usage. +digimodes_fft_size=1024 + start_rtl_thread=True +""" +Note: if you experience audio underruns while CPU usage is 100%, you can: +- decrease `samp_rate`, +- set `fft_voverlap_factor` to 0, +- decrease `fft_fps` and `fft_size`, +- limit the number of users by decreasing `max_clients`. +""" + # ==== I/Q sources ==== # (Uncomment the appropriate by removing # characters at the beginning of the corresponding lines.) -# There are guides for setting may different SDR hardware including AirSpy, AFEDRI-SDR, RTL-SDR in direct sampling mode, etc. in the Wiki: -# https://github.com/simonyiszk/openwebrx/wiki +################################################################################################# +# Is my SDR hardware supported? # +# Check here: https://github.com/simonyiszk/openwebrx/wiki#guides-for-receiver-hardware-support # +################################################################################################# # You can use other SDR hardware as well, by giving your own command that outputs the I/Q samples... Some examples of configuration are available here (default is RTL-SDR): # >> RTL-SDR via rtl_sdr - start_rtl_command="rtl_sdr -s {samp_rate} -f {center_freq} -p {ppm} -g {rf_gain} -".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate, ppm=ppm) format_conversion="csdr convert_u8_f" -#start_rtl_command="hackrf_transfer -s {samp_rate} -f {center_freq} -g {rf_gain} -l16 -a0 -q -r-".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate, ppm=ppm) +#lna_gain=8 +#rf_amp=1 +#start_rtl_command="hackrf_transfer -s {samp_rate} -f {center_freq} -g {rf_gain} -l{lna_gain} -a{rf_amp} -r-".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate, ppm=ppm, rf_amp=rf_amp, lna_gain=lna_gain) #format_conversion="csdr convert_s8_f" """ To use a HackRF, compile the HackRF host tools from its "stdout" branch: @@ -117,20 +132,29 @@ To use a HackRF, compile the HackRF host tools from its "stdout" branch: #format_conversion="csdr convert_s16_f | csdr gain_ff 30" # >> /dev/urandom test signal source -#samp_rate = 2400000 -#start_rtl_command="cat /dev/urandom | (pv -qL `python -c 'print int({samp_rate} * 2.2)'` 2>&1)".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate) -#format_conversion="csdr convert_u8_f" +# samp_rate = 2400000 +# start_rtl_command="cat /dev/urandom | (pv -qL `python -c 'print int({samp_rate} * 2.2)'` 2>&1)".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate) +# format_conversion="csdr convert_u8_f" # >> Pre-recorded raw I/Q file as signal source # You will have to correctly specify: samp_rate, center_freq, format_conversion in order to correctly play an I/Q file. #start_rtl_command="(while true; do cat my_iq_file.raw; done) | csdr flowcontrol {sr} 20 ".format(sr=samp_rate*2*1.05) #format_conversion="csdr convert_u8_f" +#>> The rx_sdr command works with a variety of SDR harware: RTL-SDR, HackRF, SDRplay, UHD, Airspy, Red Pitaya, audio devices, etc. +# It will auto-detect your SDR hardware if the following tools are installed: +# * the vendor provided driver and library, +# * the vendor-specific SoapySDR wrapper library, +# * and SoapySDR itself. +# Check out this article on the OpenWebRX Wiki: https://github.com/simonyiszk/openwebrx/wiki/Using-rx_tools-with-OpenWebRX/ +#start_rtl_command="rx_sdr -F CF32 -s {samp_rate} -f {center_freq} -p {ppm} -g {rf_gain} -".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate, ppm=ppm) +#format_conversion="" + # >> gr-osmosdr signal source using GNU Radio (follow this guide: https://github.com/simonyiszk/openwebrx/wiki/Using-GrOsmoSDR-as-signal-source) #start_rtl_command="cat /tmp/osmocom_fifo" #format_conversion="" -# ==== Misc options ==== +# ==== Misc settings ==== shown_center_freq = center_freq #you can change this if you use an upconverter @@ -146,16 +170,43 @@ iq_server_port = 4951 #TCP port for ncat to listen on. It will send I/Q data ove #access_log = "~/openwebrx_access.log" -waterfall_colors = "[0x000000ff,0x2e6893ff, 0x69a5d0ff, 0x214b69ff, 0x9dc4e0ff, 0xfff775ff, 0xff8a8aff, 0xb20000ff]" -waterfall_min_level = -115 #in dB -waterfall_max_level = 0 +# ==== Color themes ==== + #A guide is available to help you set these values: https://github.com/simonyiszk/openwebrx/wiki/Calibrating-waterfall-display-levels +### default theme by teejez: +waterfall_colors = "[0x000000ff,0x0000ffff,0x00ffffff,0x00ff00ff,0xffff00ff,0xff0000ff,0xff00ffff,0xffffffff]" +waterfall_min_level = -88 #in dB +waterfall_max_level = -20 +waterfall_auto_level_margin = (5, 40) +### old theme by HA7ILM: +#waterfall_colors = "[0x000000ff,0x2e6893ff, 0x69a5d0ff, 0x214b69ff, 0x9dc4e0ff, 0xfff775ff, 0xff8a8aff, 0xb20000ff]" +#waterfall_min_level = -115 #in dB +#waterfall_max_level = 0 +#waterfall_auto_level_margin = (20, 30) +##For the old colors, you might also want to set [fft_voverlap_factor] to 0. + +#Note: When the auto waterfall level button is clicked, the following happens: +# [waterfall_min_level] = [current_min_power_level] - [waterfall_auto_level_margin[0]] +# [waterfall_max_level] = [current_max_power_level] + [waterfall_auto_level_margin[1]] +# +# ___|____________________________________|____________________________________|____________________________________|___> signal power +# \_waterfall_auto_level_margin[0]_/ |__ current_min_power_level | \_waterfall_auto_level_margin[1]_/ +# current_max_power_level __| + +# 3D view settings +mathbox_waterfall_frequency_resolution = 128 #bins +mathbox_waterfall_history_length = 10 #seconds +mathbox_waterfall_colors = "[0x000000ff,0x2e6893ff, 0x69a5d0ff, 0x214b69ff, 0x9dc4e0ff, 0xfff775ff, 0xff8a8aff, 0xb20000ff]" + +# === Experimental settings === #Warning! The settings below are very experimental. csdr_dynamic_bufsize = False # This allows you to change the buffering mode of csdr. csdr_print_bufsizes = False # This prints the buffer sizes used for csdr processes. csdr_through = False # Setting this True will print out how much data is going into the DSP chains. +nmux_memory = 50 #in megabytes. This sets the approximate size of the circular buffer used by nmux. + #Look up external IP address automatically from icanhazip.com, and use it as [server_hostname] """ print "[openwebrx-config] Detecting external IP address..." diff --git a/csdr.py b/csdr.py new file mode 100755 index 0000000..f83ccb0 --- /dev/null +++ b/csdr.py @@ -0,0 +1,453 @@ +""" +OpenWebRX csdr plugin: do the signal processing with csdr + + This file is part of OpenWebRX, + an open-source SDR receiver software with a web UI. + Copyright (c) 2013-2015 by Andras Retzler + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as + published by the Free Software Foundation, either version 3 of the + License, or (at your option) any later version. + + This program 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 Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . + +""" + +import subprocess +import time +import os +import code +import signal +import fcntl + +class dsp: + + def __init__(self): + self.samp_rate = 250000 + self.output_rate = 11025 #this is default, and cannot be set at the moment + self.fft_size = 1024 + self.fft_fps = 5 + self.offset_freq = 0 + self.low_cut = -4000 + self.high_cut = 4000 + self.bpf_transition_bw = 320 #Hz, and this is a constant + self.ddc_transition_bw_rate = 0.15 # of the IF sample rate + self.running = False + self.secondary_processes_running = False + self.audio_compression = "none" + self.fft_compression = "none" + self.demodulator = "nfm" + self.name = "csdr" + self.format_conversion = "csdr convert_u8_f" + self.base_bufsize = 512 + self.nc_port = 4951 + self.csdr_dynamic_bufsize = False + self.csdr_print_bufsizes = False + self.csdr_through = False + self.squelch_level = 0 + self.fft_averages = 50 + self.iqtee = False + self.iqtee2 = False + self.secondary_demodulator = None + self.secondary_fft_size = 1024 + self.secondary_process_fft = None + self.secondary_process_demod = None + self.pipe_names=["bpf_pipe", "shift_pipe", "squelch_pipe", "smeter_pipe", "iqtee_pipe", "iqtee2_pipe"] + self.secondary_pipe_names=["secondary_shift_pipe"] + self.secondary_offset_freq = 1000 + + def chain(self,which): + if which in [ "dmr", "dstar", "nxdn", "ysf" ]: + self.set_output_rate(48000) + else: + self.set_output_rate(11025) + any_chain_base="nc -v 127.0.0.1 {nc_port} | " + if self.csdr_dynamic_bufsize: any_chain_base+="csdr setbuf {start_bufsize} | " + if self.csdr_through: any_chain_base+="csdr through | " + any_chain_base+=self.format_conversion+(" | " if self.format_conversion!="" else "") ##"csdr flowcontrol {flowcontrol} auto 1.5 10 | " + if which == "fft": + fft_chain_base = any_chain_base+"csdr fft_cc {fft_size} {fft_block_size} | " + \ + ("csdr logpower_cf -70 | " if self.fft_averages == 0 else "csdr logaveragepower_cf -70 {fft_size} {fft_averages} | ") + \ + "csdr fft_exchange_sides_ff {fft_size}" + if self.fft_compression=="adpcm": + return fft_chain_base+" | csdr compress_fft_adpcm_f_u8 {fft_size}" + else: + return fft_chain_base + chain_begin=any_chain_base+"csdr shift_addition_cc --fifo {shift_pipe} | csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING | csdr bandpass_fir_fft_cc --fifo {bpf_pipe} {bpf_transition_bw} HAMMING | csdr squelch_and_smeter_cc --fifo {squelch_pipe} --outfifo {smeter_pipe} 5 1 | " + if self.secondary_demodulator: + chain_begin+="csdr tee {iqtee_pipe} | " + chain_begin+="csdr tee {iqtee2_pipe} | " + chain_end = "" + if self.audio_compression=="adpcm": + chain_end = " | csdr encode_ima_adpcm_i16_u8" + if which == "nfm": return chain_begin + "csdr fmdemod_quadri_cf | csdr limit_ff | csdr old_fractional_decimator_ff {last_decimation} | csdr deemphasis_nfm_ff 11025 | csdr convert_f_s16"+chain_end + if which in [ "dstar", "nxdn" ]: + c = chain_begin + c += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr convert_f_s16" + if which == "dstar": + c += " | dsd -fd" + elif which == "nxdn": + c += " | dsd -fi" + c += " -i - -o - -u 2 -g 10" + c += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --input-buffer 160 - -t raw -r 11025 -e signed-integer -b 16 -c 1 - | csdr setbuf 220" + c += chain_end + return c + elif which == "dmr": + c = chain_begin + c += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr convert_f_s16" + c += " | rrc_filter | gfsk_demodulator | dmr_decoder --fifo {meta_pipe} | mbe_synthesizer" + c += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r 11025 -e signed-integer -b 16 -c 1 - | csdr setbuf 256" + c += chain_end + return c + elif which == "ysf": + c = chain_begin + c += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr convert_f_s16" + c += " | rrc_filter | gfsk_demodulator | ysf_decoder --fifo {meta_pipe} | mbe_synthesizer -y" + c += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r 11025 -e signed-integer -b 16 -c 1 - | csdr setbuf 256" + c += chain_end + return c + elif which == "am": return chain_begin + "csdr amdemod_cf | csdr fastdcblock_ff | csdr old_fractional_decimator_ff {last_decimation} | csdr agc_ff | csdr limit_ff | csdr convert_f_s16"+chain_end + elif which == "ssb": return chain_begin + "csdr realpart_cf | csdr old_fractional_decimator_ff {last_decimation} | csdr agc_ff | csdr limit_ff | csdr convert_f_s16"+chain_end + + def secondary_chain(self, which): + secondary_chain_base="cat {input_pipe} | " + if which == "fft": + return secondary_chain_base+"csdr realpart_cf | csdr fft_fc {secondary_fft_input_size} {secondary_fft_block_size} | csdr logpower_cf -70 " + (" | csdr compress_fft_adpcm_f_u8 {secondary_fft_size}" if self.fft_compression=="adpcm" else "") + elif which == "bpsk31": + return secondary_chain_base + "csdr shift_addition_cc --fifo {secondary_shift_pipe} | " + \ + "csdr bandpass_fir_fft_cc $(csdr '=-(31.25)/{if_samp_rate}') $(csdr '=(31.25)/{if_samp_rate}') $(csdr '=31.25/{if_samp_rate}') | " + \ + "csdr simple_agc_cc 0.001 0.5 | " + \ + "csdr timing_recovery_cc GARDNER {secondary_samples_per_bits} 0.5 2 --add_q | " + \ + "CSDR_FIXED_BUFSIZE=1 csdr dbpsk_decoder_c_u8 | " + \ + "CSDR_FIXED_BUFSIZE=1 csdr psk31_varicode_decoder_u8_u8" + + def set_secondary_demodulator(self, what): + self.secondary_demodulator = what + + def secondary_fft_block_size(self): + return (self.samp_rate/self.decimation)/(self.fft_fps*2) #*2 is there because we do FFT on real signal here + + def secondary_decimation(self): + return 1 #currently unused + + def secondary_bpf_cutoff(self): + if self.secondary_demodulator == "bpsk31": + return (31.25/2) / self.if_samp_rate() + return 0 + + def secondary_bpf_transition_bw(self): + if self.secondary_demodulator == "bpsk31": + return (31.25/2) / self.if_samp_rate() + return 0 + + def secondary_samples_per_bits(self): + if self.secondary_demodulator == "bpsk31": + return int(round(self.if_samp_rate()/31.25))&~3 + return 0 + + def secondary_bw(self): + if self.secondary_demodulator == "bpsk31": + return 31.25 + + def start_secondary_demodulator(self): + if(not self.secondary_demodulator): return + print "[openwebrx] starting secondary demodulator from IF input sampled at %d"%self.if_samp_rate() + secondary_command_fft=self.secondary_chain("fft") + secondary_command_demod=self.secondary_chain(self.secondary_demodulator) + self.try_create_pipes(self.secondary_pipe_names, secondary_command_demod + secondary_command_fft) + + secondary_command_fft=secondary_command_fft.format( \ + input_pipe=self.iqtee_pipe, \ + secondary_fft_input_size=self.secondary_fft_size, \ + secondary_fft_size=self.secondary_fft_size, \ + secondary_fft_block_size=self.secondary_fft_block_size(), \ + ) + secondary_command_demod=secondary_command_demod.format( \ + input_pipe=self.iqtee2_pipe, \ + secondary_shift_pipe=self.secondary_shift_pipe, \ + secondary_decimation=self.secondary_decimation(), \ + secondary_samples_per_bits=self.secondary_samples_per_bits(), \ + secondary_bpf_cutoff=self.secondary_bpf_cutoff(), \ + secondary_bpf_transition_bw=self.secondary_bpf_transition_bw(), \ + if_samp_rate=self.if_samp_rate() + ) + + print "[openwebrx-dsp-plugin:csdr] secondary command (fft) =", secondary_command_fft + print "[openwebrx-dsp-plugin:csdr] secondary command (demod) =", secondary_command_demod + #code.interact(local=locals()) + my_env=os.environ.copy() + #if self.csdr_dynamic_bufsize: my_env["CSDR_DYNAMIC_BUFSIZE_ON"]="1"; + if self.csdr_print_bufsizes: my_env["CSDR_PRINT_BUFSIZES"]="1"; + self.secondary_process_fft = subprocess.Popen(secondary_command_fft, stdout=subprocess.PIPE, shell=True, preexec_fn=os.setpgrp, env=my_env) + print "[openwebrx-dsp-plugin:csdr] Popen on secondary command (fft)" + self.secondary_process_demod = subprocess.Popen(secondary_command_demod, stdout=subprocess.PIPE, shell=True, preexec_fn=os.setpgrp, env=my_env) #TODO digimodes + print "[openwebrx-dsp-plugin:csdr] Popen on secondary command (demod)" #TODO digimodes + self.secondary_processes_running = True + + #open control pipes for csdr and send initialization data + # print "==========> 1" + if self.secondary_shift_pipe != None: #TODO digimodes + # print "==========> 2", self.secondary_shift_pipe + self.secondary_shift_pipe_file=open(self.secondary_shift_pipe,"w") #TODO digimodes + # print "==========> 3" + self.set_secondary_offset_freq(self.secondary_offset_freq) #TODO digimodes + # print "==========> 4" + + self.set_pipe_nonblocking(self.secondary_process_demod.stdout) + self.set_pipe_nonblocking(self.secondary_process_fft.stdout) + + def set_secondary_offset_freq(self, value): + self.secondary_offset_freq=value + if self.secondary_processes_running: + self.secondary_shift_pipe_file.write("%g\n"%(-float(self.secondary_offset_freq)/self.if_samp_rate())) + self.secondary_shift_pipe_file.flush() + + def stop_secondary_demodulator(self): + if self.secondary_processes_running == False: return + self.try_delete_pipes(self.secondary_pipe_names) + if self.secondary_process_fft: os.killpg(os.getpgid(self.secondary_process_fft.pid), signal.SIGTERM) + if self.secondary_process_demod: os.killpg(os.getpgid(self.secondary_process_demod.pid), signal.SIGTERM) + self.secondary_processes_running = False + + def read_secondary_demod(self, size): + return self.secondary_process_demod.stdout.read(size) + + def read_secondary_fft(self, size): + return self.secondary_process_fft.stdout.read(size) + + def get_secondary_demodulator(self): + return self.secondary_demodulator + + def set_secondary_fft_size(self,secondary_fft_size): + #to change this, restart is required + self.secondary_fft_size=secondary_fft_size + + def set_audio_compression(self,what): + self.audio_compression = what + + def set_fft_compression(self,what): + self.fft_compression = what + + def get_fft_bytes_to_read(self): + if self.fft_compression=="none": return self.fft_size*4 + if self.fft_compression=="adpcm": return (self.fft_size/2)+(10/2) + + def get_secondary_fft_bytes_to_read(self): + if self.fft_compression=="none": return self.secondary_fft_size*4 + if self.fft_compression=="adpcm": return (self.secondary_fft_size/2)+(10/2) + + def set_samp_rate(self,samp_rate): + #to change this, restart is required + self.samp_rate=samp_rate + self.decimation=1 + while self.samp_rate/(self.decimation+1)>self.output_rate: + self.decimation+=1 + self.last_decimation=float(self.if_samp_rate())/self.output_rate + + def if_samp_rate(self): + return self.samp_rate/self.decimation + + def get_name(self): + return self.name + + def get_output_rate(self): + return self.output_rate + + def set_output_rate(self,output_rate): + self.output_rate=output_rate + self.set_samp_rate(self.samp_rate) #as it depends on output_rate + + def set_demodulator(self,demodulator): + #to change this, restart is required + self.demodulator=demodulator + + def get_demodulator(self): + return self.demodulator + + def set_fft_size(self,fft_size): + #to change this, restart is required + self.fft_size=fft_size + + def set_fft_fps(self,fft_fps): + #to change this, restart is required + self.fft_fps=fft_fps + + def set_fft_averages(self,fft_averages): + #to change this, restart is required + self.fft_averages=fft_averages + + def fft_block_size(self): + if self.fft_averages == 0: return self.samp_rate/self.fft_fps + else: return self.samp_rate/self.fft_fps/self.fft_averages + + def set_format_conversion(self,format_conversion): + self.format_conversion=format_conversion + + def set_offset_freq(self,offset_freq): + self.offset_freq=offset_freq + if self.running: + self.shift_pipe_file.write("%g\n"%(-float(self.offset_freq)/self.samp_rate)) + self.shift_pipe_file.flush() + + def set_bpf(self,low_cut,high_cut): + self.low_cut=low_cut + self.high_cut=high_cut + if self.running: + self.bpf_pipe_file.write( "%g %g\n"%(float(self.low_cut)/self.if_samp_rate(), float(self.high_cut)/self.if_samp_rate()) ) + self.bpf_pipe_file.flush() + + def get_bpf(self): + return [self.low_cut, self.high_cut] + + def set_squelch_level(self, squelch_level): + self.squelch_level=squelch_level + if self.running: + self.squelch_pipe_file.write( "%g\n"%(float(self.squelch_level)) ) + self.squelch_pipe_file.flush() + + def get_smeter_level(self): + if self.running: + line=self.smeter_pipe_file.readline() + return float(line[:-1]) + + def mkfifo(self,path): + try: + os.unlink(path) + except: + pass + os.mkfifo(path) + + def ddc_transition_bw(self): + return self.ddc_transition_bw_rate*(self.if_samp_rate()/float(self.samp_rate)) + + def try_create_pipes(self, pipe_names, command_base): + # print "try_create_pipes" + for pipe_name in pipe_names: + # print "\t"+pipe_name + if "{"+pipe_name+"}" in command_base: + setattr(self, pipe_name, self.pipe_base_path+pipe_name) + self.mkfifo(getattr(self, pipe_name)) + else: + setattr(self, pipe_name, None) + + def try_delete_pipes(self, pipe_names): + for pipe_name in pipe_names: + pipe_path = getattr(self,pipe_name,None) + if pipe_path: + try: os.unlink(pipe_path) + except Exception as e: print "[openwebrx-dsp-plugin:csdr] try_delete_pipes() ::", e + + def set_pipe_nonblocking(self, pipe): + flags = fcntl.fcntl(pipe, fcntl.F_GETFL) + fcntl.fcntl(pipe, fcntl.F_SETFL, flags | os.O_NONBLOCK) + + def start(self): + command_base=self.chain(self.demodulator) + + #create control pipes for csdr + self.pipe_base_path="/tmp/openwebrx_pipe_{myid}_".format(myid=id(self)) + # self.bpf_pipe = self.shift_pipe = self.squelch_pipe = self.smeter_pipe = None + + self.try_create_pipes(self.pipe_names, command_base) + + # if "{bpf_pipe}" in command_base: + # self.bpf_pipe=pipe_base_path+"bpf" + # self.mkfifo(self.bpf_pipe) + # if "{shift_pipe}" in command_base: + # self.shift_pipe=pipe_base_path+"shift" + # self.mkfifo(self.shift_pipe) + # if "{squelch_pipe}" in command_base: + # self.squelch_pipe=pipe_base_path+"squelch" + # self.mkfifo(self.squelch_pipe) + # if "{smeter_pipe}" in command_base: + # self.smeter_pipe=pipe_base_path+"smeter" + # self.mkfifo(self.smeter_pipe) + # if "{iqtee_pipe}" in command_base: + # self.iqtee_pipe=pipe_base_path+"iqtee" + # self.mkfifo(self.iqtee_pipe) + # if "{iqtee2_pipe}" in command_base: + # self.iqtee2_pipe=pipe_base_path+"iqtee2" + # self.mkfifo(self.iqtee2_pipe) + + #run the command + command=command_base.format( bpf_pipe=self.bpf_pipe, shift_pipe=self.shift_pipe, decimation=self.decimation, \ + last_decimation=self.last_decimation, fft_size=self.fft_size, fft_block_size=self.fft_block_size(), fft_averages=self.fft_averages, \ + bpf_transition_bw=float(self.bpf_transition_bw)/self.if_samp_rate(), ddc_transition_bw=self.ddc_transition_bw(), \ + flowcontrol=int(self.samp_rate*2), start_bufsize=self.base_bufsize*self.decimation, nc_port=self.nc_port, \ + squelch_pipe=self.squelch_pipe, smeter_pipe=self.smeter_pipe, iqtee_pipe=self.iqtee_pipe, iqtee2_pipe=self.iqtee2_pipe ) + + print "[openwebrx-dsp-plugin:csdr] Command =",command + #code.interact(local=locals()) + my_env=os.environ.copy() + if self.csdr_dynamic_bufsize: my_env["CSDR_DYNAMIC_BUFSIZE_ON"]="1"; + if self.csdr_print_bufsizes: my_env["CSDR_PRINT_BUFSIZES"]="1"; + self.process = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True, preexec_fn=os.setpgrp, env=my_env) + self.running = True + + #open control pipes for csdr and send initialization data + if self.bpf_pipe != None: + self.bpf_pipe_file=open(self.bpf_pipe,"w") + self.set_bpf(self.low_cut,self.high_cut) + if self.shift_pipe != None: + self.shift_pipe_file=open(self.shift_pipe,"w") + self.set_offset_freq(self.offset_freq) + if self.squelch_pipe != None: + self.squelch_pipe_file=open(self.squelch_pipe,"w") + self.set_squelch_level(self.squelch_level) + if self.smeter_pipe != None: + self.smeter_pipe_file=open(self.smeter_pipe,"r") + self.set_pipe_nonblocking(self.smeter_pipe_file) + + self.start_secondary_demodulator() + + def read(self,size): + return self.process.stdout.read(size) + + def stop(self): + os.killpg(os.getpgid(self.process.pid), signal.SIGTERM) + self.stop_secondary_demodulator() + #if(self.process.poll()!=None):return # returns None while subprocess is running + #while(self.process.poll()==None): + # #self.process.kill() + # print "killproc",os.getpgid(self.process.pid),self.process.pid + # os.killpg(self.process.pid, signal.SIGTERM) + # + # time.sleep(0.1) + + self.try_delete_pipes(self.pipe_names) + + # if self.bpf_pipe: + # try: os.unlink(self.bpf_pipe) + # except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.bpf_pipe + # if self.shift_pipe: + # try: os.unlink(self.shift_pipe) + # except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.shift_pipe + # if self.squelch_pipe: + # try: os.unlink(self.squelch_pipe) + # except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.squelch_pipe + # if self.smeter_pipe: + # try: os.unlink(self.smeter_pipe) + # except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.smeter_pipe + # if self.iqtee_pipe: + # try: os.unlink(self.iqtee_pipe) + # except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.iqtee_pipe + # if self.iqtee2_pipe: + # try: os.unlink(self.iqtee2_pipe) + # except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.iqtee2_pipe + + self.running = False + + def restart(self): + self.stop() + self.start() + + def __del__(self): + self.stop() + del(self.process) diff --git a/htdocs/gfx/openwebrx-3d-spectrum.png b/htdocs/gfx/openwebrx-3d-spectrum.png new file mode 100644 index 0000000..06ad495 Binary files /dev/null and b/htdocs/gfx/openwebrx-3d-spectrum.png differ diff --git a/htdocs/index.wrx b/htdocs/index.wrx index ae9d4b9..2fcf3be 100644 --- a/htdocs/index.wrx +++ b/htdocs/index.wrx @@ -1,9 +1,9 @@ - - OpenWebRX | Open Source SDR Web App for Everyone! - - - - - - - + + OpenWebRX | Open Source SDR Web App for Everyone! + + + + + + + + + + +
-
-
- -
%[RX_PHOTO_TITLE]
-
%[RX_PHOTO_DESC]
-
-
-
- - - - -
%[RX_TITLE]
-
%[RX_LOC] | Loc: %[RX_QRA], ASL: %[RX_ASL] m, [maps]
-
- - -
-
-
    -

  • Status
    • -

  • Log
    • -

  • Receiver
    • -
-
-
-
-
-
- -
-
- -
- -
-
-
-
---.--- MHz
-
---.--- MHz
- -
-
FM
-
AM
-
LSB
-
USB
-
CW
-
DMR
-
DStar
-
NXDN
-
YSF
-
-
-
- -
- -
-
-
- -
- -
-
-
-
-
-
-
0 dB
-
-
-
-
-
-
-
-
-
-
OpenWebRX client log
- Author: András Retzler, HA7ILM
You can support OpenWebRX development via PayPal!
-
-
-
-
-
Audio buffer [0 ms]
-
Audio output [0 sps]
-
Audio stream [0 kbps]
-
Network usage [0 kbps]
-
Server CPU [0%]
-
Clients [1]
-
+
+
+ +
%[RX_PHOTO_TITLE]
+
%[RX_PHOTO_DESC]
+
+
+
+ + + + +
%[RX_TITLE]
+
%[RX_LOC] | Loc: %[RX_QRA], ASL: %[RX_ASL] m, [maps]
+
+ + +
+
+
    +

  • Status
    • +

  • Log
    • +

  • Receiver
    • +
+
+
+
+
+
+ +
+
+
+
+ +
+
+
+
---.--- MHz
+
---.--- MHz
+
+
FM
+
AM
+
LSB
+
USB
+
CW
+
DMR
+
DStar
+
NXDN
+
YSF
+
+
+
DIG
+ +
+
+
+ +
+ +
+
+
+ +
+ +
+
+
+
+
+
+
+
0 dB
+
+
+
+
+
+
+
+
+
+
+
OpenWebRX client log
+ Author: András Retzler, HA7ILM
You can support OpenWebRX development via PayPal!
+
+
+
+
+
+
Audio buffer [0 ms]
+
Audio output [0 sps]
+
Audio stream [0 kbps]
+
Network usage [0 kbps]
+
Server CPU [0%]
+
Clients [1]
+
+
+ Under construction +
We're working on the code right now, so the application might fail. +
+
+
+
+
+
+
+
+ +
+
+
-
- Under construction -
We're working on the code right now, so the application might fail. -
-
-
+
+
-
-
- -

Start OpenWebRX -
-
- +
+
+ +

Start OpenWebRX +
+
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