mirror of https://github.com/gnss-sdr/gnss-sdr
Adding SPIR file data source, by Fran Fabra
This commit is contained in:
Carles Fernandez
parent
dcb6ed7c50
commit
056158e198
1
AUTHORS
1
AUTHORS
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@ -47,6 +47,7 @@ Damian Miralles dmiralles2009@gmail.com Developer
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Andres Cecilia Luque a.cecilia.luque@gmail.com Developer
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Leonardo Tonetto tonetto.dev@gmail.com Contributor
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Anthony Arnold anthony.arnold@uqconnect.edu.au Contributor
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Fran Fabra fabra@ice.csic.es Contributor
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Ignacio Paniego ignacio.paniego@gmail.com Web design
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Eva Puchol eva.puchol@gmail.com Web developer
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Carlos Paniego carpanie@hotmail.com Artwork
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@ -0,0 +1,343 @@
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; Default configuration file
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; You can define your own receiver and invoke it by doing
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; gnss-sdr --config_file=my_GNSS_SDR_configuration.conf
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;
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[GNSS-SDR]
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;######### GLOBAL OPTIONS ##################
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;internal_fs_hz: Internal signal sampling frequency after the signal conditioning stage [Hz].
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GNSS-SDR.internal_fs_hz=4000000
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;######### CONTROL_THREAD CONFIG ############
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ControlThread.wait_for_flowgraph=false
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;######### SIGNAL_SOURCE CONFIG ############
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;#implementation: Use [File_Signal_Source] or [UHD_Signal_Source] or [GN3S_Signal_Source] (experimental)
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SignalSource.implementation=Spir_File_Signal_Source
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;#filename: path to file with the captured GNSS signal samples to be processed
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SignalSource.filename=/media/fabra/dd44068b-f808-4164-834c-35b550037514/CTTC/spir_file_20secs.dat
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;SignalSource.filename=/Users/carlesfernandez/Documents/workspace/code2/trunk/data/20Secs/20Secs_L1.dat
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;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version.
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SignalSource.item_type=int
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;#sampling_frequency: Original Signal sampling frequency in [Hz]
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SignalSource.sampling_frequency=80000000
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;#freq: RF front-end center frequency in [Hz]
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SignalSource.freq=1575420000
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;#gain: Front-end Gain in [dB]
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SignalSource.gain=60
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;#subdevice: UHD subdevice specification (for USRP1 use A:0 or B:0)
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SignalSource.subdevice=B:0
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;#samples: Number of samples to be processed. Notice that 0 indicates the entire file.
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SignalSource.samples=0
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;#repeat: Repeat the processing file. Disable this option in this version
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SignalSource.repeat=false
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;#dump: Dump the Signal source data to a file. Disable this option in this version
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SignalSource.dump=false
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SignalSource.dump_filename=../data/signal_source.dat
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;#enable_throttle_control: Enabling this option tells the signal source to keep the delay between samples in post processing.
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; it helps to not overload the CPU, but the processing time will be longer.
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SignalSource.enable_throttle_control=false
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;######### SIGNAL_CONDITIONER CONFIG ############
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;## It holds blocks to change data type, filter and resample input data.
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;#implementation: Use [Pass_Through] or [Signal_Conditioner]
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;#[Pass_Through] disables this block and the [DataTypeAdapter], [InputFilter] and [Resampler] blocks
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;#[Signal_Conditioner] enables this block. Then you have to configure [DataTypeAdapter], [InputFilter] and [Resampler] blocks
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SignalConditioner.implementation=Signal_Conditioner
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;######### DATA_TYPE_ADAPTER CONFIG ############
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;## Changes the type of input data. Please disable it in this version.
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;#implementation: [Pass_Through] disables this block
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DataTypeAdapter.implementation=Pass_Through
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DataTypeAdapter.item_type=float
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;######### INPUT_FILTER CONFIG ############
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;## Filter the input data. Can be combined with frequency translation for IF signals
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;#implementation: Use [Pass_Through] or [Fir_Filter] or [Freq_Xlating_Fir_Filter]
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;#[Pass_Through] disables this block
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;#[Fir_Filter] enables a FIR Filter
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;#[Freq_Xlating_Fir_Filter] enables FIR filter and a composite frequency translation that shifts IF down to zero Hz.
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;InputFilter.implementation=Fir_Filter
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InputFilter.implementation=Freq_Xlating_Fir_Filter
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;InputFilter.implementation=Pass_Through
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;#dump: Dump the filtered data to a file.
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InputFilter.dump=false
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;#dump_filename: Log path and filename.
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InputFilter.dump_filename=../data/input_filter.dat
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;#The following options are used in the filter design of Fir_Filter and Freq_Xlating_Fir_Filter implementation.
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;#These options are based on parameters of gnuradio's function: gr_remez.
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;#These function calculates the optimal (in the Chebyshev/minimax sense) FIR filter inpulse reponse given a set of band edges, the desired reponse on those bands, and the weight given to the error in those bands.
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;#input_item_type: Type and resolution for input signal samples. Use only gr_complex in this version.
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InputFilter.input_item_type=float
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;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version.
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InputFilter.output_item_type=gr_complex
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;#taps_item_type: Type and resolution for the taps of the filter. Use only float in this version.
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InputFilter.taps_item_type=float
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;#number_of_taps: Number of taps in the filter. Increasing this parameter increases the processing time
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InputFilter.number_of_taps=5
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;#number_of _bands: Number of frequency bands in the filter.
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InputFilter.number_of_bands=2
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;#bands: frequency at the band edges [ b1 e1 b2 e2 b3 e3 ...].
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;#Frequency is in the range [0, 1], with 1 being the Nyquist frequency (Fs/2)
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;#The number of band_begin and band_end elements must match the number of bands
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InputFilter.band1_begin=0.0
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InputFilter.band1_end=0.45
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InputFilter.band2_begin=0.55
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InputFilter.band2_end=1.0
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;#ampl: desired amplitude at the band edges [ a(b1) a(e1) a(b2) a(e2) ...].
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;#The number of ampl_begin and ampl_end elements must match the number of bands
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InputFilter.ampl1_begin=1.0
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InputFilter.ampl1_end=1.0
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InputFilter.ampl2_begin=0.0
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InputFilter.ampl2_end=0.0
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;#band_error: weighting applied to each band (usually 1).
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;#The number of band_error elements must match the number of bands
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InputFilter.band1_error=1.0
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InputFilter.band2_error=1.0
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;#filter_type: one of "bandpass", "hilbert" or "differentiator"
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InputFilter.filter_type=bandpass
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;#grid_density: determines how accurately the filter will be constructed.
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;The minimum value is 16; higher values are slower to compute the filter.
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InputFilter.grid_density=16
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;#The following options are used only in Freq_Xlating_Fir_Filter implementation.
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;#InputFilter.IF is the intermediate frequency (in Hz) shifted down to zero Hz
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InputFilter.sampling_frequency=80000000
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InputFilter.IF=10164
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InputFilter.decimation_factor=20
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;######### RESAMPLER CONFIG ############
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;## Resamples the input data.
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;#implementation: Use [Pass_Through] or [Direct_Resampler]
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;#[Pass_Through] disables this block
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;#[Direct_Resampler] enables a resampler that implements a nearest neigbourhood interpolation
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;Resampler.implementation=Direct_Resampler
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Resampler.implementation=Pass_Through
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;#dump: Dump the resamplered data to a file.
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Resampler.dump=false
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;#dump_filename: Log path and filename.
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Resampler.dump_filename=../data/resampler.dat
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;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version.
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Resampler.item_type=gr_complex
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;#sample_freq_in: the sample frequency of the input signal
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Resampler.sample_freq_in=80000000
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;#sample_freq_out: the desired sample frequency of the output signal
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Resampler.sample_freq_out=4000000
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;######### CHANNELS GLOBAL CONFIG ############
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;#count: Number of available GPS satellite channels.
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Channels_GPS.count=10
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;#count: Number of available Galileo satellite channels.
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Channels_Galileo.count=0
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;#in_acquisition: Number of channels simultaneously acquiring
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Channels.in_acquisition=1
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;#system: GPS, GLONASS, GALILEO, SBAS or COMPASS
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;#if the option is disabled by default is assigned GPS
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Channel.system=GPS
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;#signal:
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;# "1C" GPS L1 C/A
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;#if the option is disabled by default is assigned "1C" GPS L1 C/A
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Channel.signal=1C
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;Galileo FM3 -> PRN 19
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;Galileo FM4 -> PRN 20
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;######### CHANNEL 0 CONFIG ############
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;Channel0.system=Galileo
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;Channel0.signal=1B
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;#satellite: Satellite PRN ID for this channel. Disable this option to random search
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;Channel0.satellite=20
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;######### CHANNEL 1 CONFIG ############
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;Channel1.system=Galileo
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;Channel1.signal=1B
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;Channel1.satellite=12
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;######### CHANNEL 2 CONFIG ############
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;Channel2.system=Galileo
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;Channel2.signal=1B
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;#satellite: Satellite PRN ID for this channel. Disable this option to random search
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;Channel2.satellite=11
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;######### CHANNEL 3 CONFIG ############
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;Channel3.system=Galileo
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;Channel3.signal=1B
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;Channel3.satellite=19
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;######### ACQUISITION GLOBAL CONFIG ############
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;#dump: Enable or disable the acquisition internal data file logging [true] or [false]
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Acquisition_GPS.dump=false
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;#filename: Log path and filename
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Acquisition_GPS.dump_filename=./acq_dump.dat
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;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version.
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Acquisition_GPS.item_type=gr_complex
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;#if: Signal intermediate frequency in [Hz]
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Acquisition_GPS.if=0
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;#sampled_ms: Signal block duration for the acquisition signal detection [ms]
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Acquisition_GPS.sampled_ms=1
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;#implementation: Acquisition algorithm selection for this channel: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition]
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Acquisition_GPS.implementation=GPS_L1_CA_PCPS_Acquisition_Fine_Doppler
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;#threshold: Acquisition threshold
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Acquisition_GPS.threshold=0.005
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;#pfa: Acquisition false alarm probability. This option overrides the threshold option. Only use with implementations: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition]
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;Acquisition_GPS.pfa=0.0001
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;#doppler_max: Maximum expected Doppler shift [Hz]
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Acquisition_GPS.doppler_max=10000
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;#doppler_max: Maximum expected Doppler shift [Hz]
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Acquisition_GPS.doppler_min=-10000
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;#doppler_step Doppler step in the grid search [Hz]
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Acquisition_GPS.doppler_step=500
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;#maximum dwells
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Acquisition_GPS.max_dwells=5
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;######### ACQUISITION CHANNELS CONFIG ######
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;######### ACQUISITION CH 0 CONFIG ############
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;#repeat_satellite: Use only jointly with the satellite PRN ID option. The default value is false
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;Acquisition0.repeat_satellite = true
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;Acquisition1.repeat_satellite = true
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;Acquisition2.repeat_satellite = true
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;Acquisition3.repeat_satellite = true
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;#cboc: Only for [Galileo_E1_PCPS_Ambiguous_Acquisition]. This option allows you to choose between acquiring with CBOC signal [true] or sinboc(1,1) signal [false].
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;#Use only if GNSS-SDR.internal_fs_hz is greater than or equal to 6138000
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Acquisition0.cboc=false
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;######### ACQUISITION CH 1 CONFIG ############
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Acquisition1.cboc=false
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;######### TRACKING GLOBAL CONFIG ############
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;#implementation: Selected tracking algorithm: [GPS_L1_CA_DLL_PLL_Tracking] or [GPS_L1_CA_DLL_FLL_PLL_Tracking] or [GPS_L1_CA_TCP_CONNECTOR_Tracking] or [Galileo_E1_DLL_PLL_VEML_Tracking]
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Tracking_GPS.implementation=GPS_L1_CA_DLL_PLL_Tracking
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;#item_type: Type and resolution for each of the signal samples. Use only [gr_complex] in this version.
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Tracking_GPS.item_type=gr_complex
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;#sampling_frequency: Signal Intermediate Frequency in [Hz]
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Tracking_GPS.if=0
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;#dump: Enable or disable the Tracking internal binary data file logging [true] or [false]
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Tracking_GPS.dump=false
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;#dump_filename: Log path and filename. Notice that the tracking channel will add "x.dat" where x is the channel number.
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Tracking_GPS.dump_filename=../data/epl_tracking_ch_
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;#pll_bw_hz: PLL loop filter bandwidth [Hz]
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Tracking_GPS.pll_bw_hz=20.0;
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;#dll_bw_hz: DLL loop filter bandwidth [Hz]
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Tracking_GPS.dll_bw_hz=2.0;
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;#fll_bw_hz: FLL loop filter bandwidth [Hz]
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Tracking_GPS.fll_bw_hz=10.0;
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;#order: PLL/DLL loop filter order [2] or [3]
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Tracking_GPS.order=3;
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;######### TELEMETRY DECODER GPS CONFIG ############
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;#implementation: Use [GPS_L1_CA_Telemetry_Decoder] for GPS L1 C/A
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TelemetryDecoder_GPS.implementation=GPS_L1_CA_Telemetry_Decoder
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TelemetryDecoder_GPS.dump=false
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;#decimation factor
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TelemetryDecoder_GPS.decimation_factor=1;
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;######### OBSERVABLES CONFIG ############
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;#implementation: Use [GPS_L1_CA_Observables] for GPS L1 C/A.
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Observables.implementation=GPS_L1_CA_Observables
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;#dump: Enable or disable the Observables internal binary data file logging [true] or [false]
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Observables.dump=false
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;#dump_filename: Log path and filename.
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Observables.dump_filename=./observables.dat
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;######### PVT CONFIG ############
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;#implementation: Position Velocity and Time (PVT) implementation algorithm: Use [GPS_L1_CA_PVT] in this version.
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PVT.implementation=GPS_L1_CA_PVT
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;#averaging_depth: Number of PVT observations in the moving average algorithm
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PVT.averaging_depth=100
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;#flag_average: Enables the PVT averaging between output intervals (arithmetic mean) [true] or [false]
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PVT.flag_averaging=true
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;#output_rate_ms: Period between two PVT outputs. Notice that the minimum period is equal to the tracking integration time (for GPS CA L1 is 1ms) [ms]
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PVT.output_rate_ms=500
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;#display_rate_ms: Position console print (std::out) interval [ms]. Notice that output_rate_ms<=display_rate_ms.
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PVT.display_rate_ms=500
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;# RINEX, KML, and NMEA output configuration
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;#dump_filename: Log path and filename without extension. Notice that PVT will add ".dat" to the binary dump and ".kml" to GoogleEarth dump.
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PVT.dump_filename=./PVT
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;#nmea_dump_filename: NMEA log path and filename
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PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea;
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;#flag_nmea_tty_port: Enable or disable the NMEA log to a serial TTY port (Can be used with real hardware or virtual one)
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PVT.flag_nmea_tty_port=true;
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;#nmea_dump_devname: serial device descriptor for NMEA logging
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PVT.nmea_dump_devname=/dev/pts/4
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;#dump: Enable or disable the PVT internal binary data file logging [true] or [false]
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PVT.dump=false
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;######### OUTPUT_FILTER CONFIG ############
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;# Receiver output filter: Leave this block disabled in this version
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OutputFilter.implementation=Null_Sink_Output_Filter
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OutputFilter.filename=data/gnss-sdr.dat
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OutputFilter.item_type=gr_complex
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@ -112,6 +112,7 @@ endif(ENABLE_UHD)
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set(SIGNAL_SOURCE_ADAPTER_SOURCES file_signal_source.cc
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gen_signal_source.cc
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nsr_file_signal_source.cc
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spir_file_signal_source.cc
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${OPT_DRIVER_SOURCES}
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)
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@ -0,0 +1,331 @@
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/*!
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* \file spir_file_signal_source.cc
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* \brief Implementation of a class that reads signals samples from a SPIR file
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* and adapts it to a SignalSourceInterface.
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* \author Fran Fabra, 2014 fabra(at)ice.csic.es
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is not part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "spir_file_signal_source.h"
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#include <cstdlib>
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#include <exception>
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#include <fstream>
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#include <iomanip>
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#include <iostream>
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#include <gflags/gflags.h>
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#include <glog/logging.h>
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#include "gnss_sdr_valve.h"
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#include "configuration_interface.h"
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using google::LogMessage;
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DEFINE_string(spir_signal_source, "-",
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"If defined, path to the file containing the NSR (byte to 2-bit packed) signal samples (overrides the configuration file)");
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SpirFileSignalSource::SpirFileSignalSource(ConfigurationInterface* configuration,
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std::string role, unsigned int in_streams, unsigned int out_streams,
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boost::shared_ptr<gr::msg_queue> queue) :
|
||||
role_(role), in_streams_(in_streams), out_streams_(out_streams), queue_(queue)
|
||||
{
|
||||
std::string default_filename = "../data/my_capture.dat";
|
||||
std::string default_item_type = "int";
|
||||
std::string default_dump_filename = "../data/my_capture_dump.dat";
|
||||
|
||||
samples_ = configuration->property(role + ".samples", 0);
|
||||
sampling_frequency_ = configuration->property(role + ".sampling_frequency", 0);
|
||||
filename_ = configuration->property(role + ".filename", default_filename);
|
||||
|
||||
// override value with commandline flag, if present
|
||||
if (FLAGS_spir_signal_source.compare("-") != 0) filename_= FLAGS_spir_signal_source;
|
||||
|
||||
item_type_ = configuration->property(role + ".item_type", default_item_type);
|
||||
repeat_ = configuration->property(role + ".repeat", false);
|
||||
dump_ = configuration->property(role + ".dump", false);
|
||||
dump_filename_ = configuration->property(role + ".dump_filename", default_dump_filename);
|
||||
enable_throttle_control_ = configuration->property(role + ".enable_throttle_control", false);
|
||||
|
||||
if (item_type_.compare("int") == 0)
|
||||
{
|
||||
item_size_ = sizeof(int);
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG(WARNING) << item_type_ << " unrecognized item type. Using int.";
|
||||
item_size_ = sizeof(int);
|
||||
}
|
||||
try
|
||||
{
|
||||
file_source_ = gr::blocks::file_source::make(item_size_, filename_.c_str(), repeat_);
|
||||
unpack_intspir_ = make_unpack_intspir_1bit_samples();
|
||||
|
||||
}
|
||||
catch (const std::exception &e)
|
||||
{
|
||||
std::cerr
|
||||
<< "The receiver was configured to work with a file signal source "
|
||||
<< std::endl
|
||||
<< "but the specified file is unreachable by GNSS-SDR."
|
||||
<< std::endl
|
||||
<< "Please modify your configuration file"
|
||||
<< std::endl
|
||||
<< "and point SignalSource.filename to a valid raw data file. Then:"
|
||||
<< std::endl
|
||||
<< "$ gnss-sdr --config_file=/path/to/my_GNSS_SDR_configuration.conf"
|
||||
<< std::endl
|
||||
<< "Examples of configuration files available at:"
|
||||
<< std::endl
|
||||
<< GNSSSDR_INSTALL_DIR "/share/gnss-sdr/conf/"
|
||||
<< std::endl;
|
||||
|
||||
LOG(WARNING) << "file_signal_source: Unable to open the samples file "
|
||||
<< filename_.c_str() << ", exiting the program.";
|
||||
throw(e);
|
||||
}
|
||||
|
||||
DLOG(INFO) << "file_source(" << file_source_->unique_id() << ")";
|
||||
|
||||
if (samples_ == 0) // read all file
|
||||
{
|
||||
/*!
|
||||
* BUG workaround: The GNU Radio file source does not stop the receiver after reaching the End of File.
|
||||
* A possible solution is to compute the file length in samples using file size, excluding the last 100 milliseconds, and enable always the
|
||||
* valve block
|
||||
*/
|
||||
std::ifstream file (filename_.c_str(), std::ios::in | std::ios::binary | std::ios::ate);
|
||||
std::ifstream::pos_type size;
|
||||
|
||||
if (file.is_open())
|
||||
{
|
||||
size = file.tellg();
|
||||
LOG(INFO) << "Total samples in the file= " << floor((double)size / (double)item_size());
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << "file_signal_source: Unable to open the samples file " << filename_.c_str() << std::endl;
|
||||
LOG(ERROR) << "file_signal_source: Unable to open the samples file " << filename_.c_str();
|
||||
}
|
||||
std::cout << std::setprecision(16);
|
||||
std::cout << "Processing file " << filename_ << ", which contains " << (double)size << " [bytes]" << std::endl;
|
||||
|
||||
if (size > 0)
|
||||
{
|
||||
int sample_packet_factor = 1; // 1 int -> 1 complex sample (I&Q from 1 channel)
|
||||
samples_ = floor((double)size / (double)item_size())*sample_packet_factor;
|
||||
samples_ = samples_- ceil(0.002 * (double)sampling_frequency_); //process all the samples available in the file excluding the last 2 ms
|
||||
}
|
||||
}
|
||||
|
||||
CHECK(samples_ > 0) << "File does not contain enough samples to process.";
|
||||
double signal_duration_s;
|
||||
signal_duration_s = (double)samples_ * ( 1 /(double)sampling_frequency_);
|
||||
LOG(INFO) << "Total number samples to be processed= " << samples_ << " GNSS signal duration= " << signal_duration_s << " [s]";
|
||||
std::cout << "GNSS signal recorded time to be processed: " << signal_duration_s << " [s]" << std::endl;
|
||||
|
||||
valve_ = gnss_sdr_make_valve(sizeof(float), samples_, queue_);
|
||||
DLOG(INFO) << "valve(" << valve_->unique_id() << ")";
|
||||
|
||||
if (dump_)
|
||||
{
|
||||
//sink_ = gr_make_file_sink(item_size_, dump_filename_.c_str());
|
||||
sink_ = gr::blocks::file_sink::make(sizeof(float), dump_filename_.c_str());
|
||||
DLOG(INFO) << "file_sink(" << sink_->unique_id() << ")";
|
||||
}
|
||||
|
||||
if (enable_throttle_control_)
|
||||
{
|
||||
throttle_ = gr::blocks::throttle::make(sizeof(float), sampling_frequency_);
|
||||
}
|
||||
DLOG(INFO) << "File source filename " << filename_;
|
||||
DLOG(INFO) << "Samples " << samples_;
|
||||
DLOG(INFO) << "Sampling frequency " << sampling_frequency_;
|
||||
DLOG(INFO) << "Item type " << item_type_;
|
||||
DLOG(INFO) << "Item size " << item_size_;
|
||||
DLOG(INFO) << "Repeat " << repeat_;
|
||||
DLOG(INFO) << "Dump " << dump_;
|
||||
DLOG(INFO) << "Dump filename " << dump_filename_;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
SpirFileSignalSource::~SpirFileSignalSource()
|
||||
{}
|
||||
|
||||
|
||||
|
||||
|
||||
void SpirFileSignalSource::connect(gr::top_block_sptr top_block)
|
||||
{
|
||||
if (samples_ > 0)
|
||||
{
|
||||
if (enable_throttle_control_ == true)
|
||||
{
|
||||
top_block->connect(file_source_, 0, unpack_intspir_, 0);
|
||||
top_block->connect(unpack_intspir_, 0,throttle_,0);
|
||||
DLOG(INFO) << "connected file source to throttle";
|
||||
top_block->connect(throttle_, 0, valve_, 0);
|
||||
DLOG(INFO) << "connected throttle to valve";
|
||||
if (dump_)
|
||||
{
|
||||
top_block->connect(valve_, 0, sink_, 0);
|
||||
DLOG(INFO) << "connected valve to file sink";
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
top_block->connect(file_source_, 0, unpack_intspir_, 0);
|
||||
top_block->connect(unpack_intspir_, 0,valve_,0);
|
||||
DLOG(INFO) << "connected file source to valve";
|
||||
if (dump_)
|
||||
{
|
||||
top_block->connect(valve_, 0, sink_, 0);
|
||||
DLOG(INFO) << "connected valve to file sink";
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (enable_throttle_control_ == true)
|
||||
{
|
||||
top_block->connect(file_source_, 0, unpack_intspir_, 0);
|
||||
top_block->connect(unpack_intspir_, 0,throttle_,0);
|
||||
DLOG(INFO) << "connected file source to throttle";
|
||||
if (dump_)
|
||||
{
|
||||
top_block->connect(throttle_, 0, sink_, 0);
|
||||
DLOG(INFO) << "connected file source to sink";
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (dump_)
|
||||
{
|
||||
top_block->connect(file_source_, 0, unpack_intspir_, 0);
|
||||
top_block->connect(unpack_intspir_, 0, sink_, 0);
|
||||
DLOG(INFO) << "connected file source to sink";
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void SpirFileSignalSource::disconnect(gr::top_block_sptr top_block)
|
||||
{
|
||||
if (samples_ > 0)
|
||||
{
|
||||
if (enable_throttle_control_ == true)
|
||||
{
|
||||
top_block->disconnect(file_source_, 0, unpack_intspir_, 0);
|
||||
DLOG(INFO) << "disconnected file source to unpack_intspir_";
|
||||
top_block->connect(unpack_intspir_, 0,throttle_,0);
|
||||
DLOG(INFO) << "disconnected unpack_intspir_ to throttle_";
|
||||
top_block->disconnect(throttle_, 0, valve_, 0);
|
||||
DLOG(INFO) << "disconnected throttle to valve";
|
||||
if (dump_)
|
||||
{
|
||||
top_block->disconnect(valve_, 0, sink_, 0);
|
||||
DLOG(INFO) << "disconnected valve to file sink";
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
top_block->disconnect(file_source_, 0, unpack_intspir_, 0);
|
||||
DLOG(INFO) << "disconnected file source to unpack_intspir_";
|
||||
top_block->disconnect(unpack_intspir_, 0, valve_, 0);
|
||||
DLOG(INFO) << "disconnected unpack_intspir_ to valve";
|
||||
if (dump_)
|
||||
{
|
||||
top_block->disconnect(valve_, 0, sink_, 0);
|
||||
DLOG(INFO) << "disconnected valve to file sink";
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (enable_throttle_control_ == true)
|
||||
{
|
||||
top_block->disconnect(file_source_, 0, unpack_intspir_, 0);
|
||||
DLOG(INFO) << "disconnected file source to unpack_intspir_";
|
||||
top_block->disconnect(unpack_intspir_, 0, throttle_, 0);
|
||||
DLOG(INFO) << "disconnected unpack_intspir_ to throttle";
|
||||
if (dump_)
|
||||
{
|
||||
top_block->disconnect(unpack_intspir_, 0, sink_, 0);
|
||||
DLOG(INFO) << "disconnected funpack_intspir_ to sink";
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (dump_)
|
||||
{
|
||||
top_block->disconnect(file_source_, 0, unpack_intspir_, 0);
|
||||
DLOG(INFO) << "disconnected file source to unpack_intspir_";
|
||||
top_block->disconnect(unpack_intspir_, 0, sink_, 0);
|
||||
DLOG(INFO) << "disconnected unpack_intspir_ to sink";
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
gr::basic_block_sptr SpirFileSignalSource::get_left_block()
|
||||
{
|
||||
LOG(WARNING) << "Left block of a signal source should not be retrieved";
|
||||
//return gr_block_sptr();
|
||||
return gr::blocks::file_source::sptr();
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
gr::basic_block_sptr SpirFileSignalSource::get_right_block()
|
||||
{
|
||||
if (samples_ > 0)
|
||||
{
|
||||
return valve_;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (enable_throttle_control_ == true)
|
||||
{
|
||||
return throttle_;
|
||||
}
|
||||
else
|
||||
{
|
||||
return unpack_intspir_;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,122 @@
|
|||
/*!
|
||||
* \file spir_file_signal_source.h
|
||||
* \brief Implementation of a class that reads signals samples from a SPIR file
|
||||
* and adapts it to a SignalSourceInterface.
|
||||
* \author Fran Fabra, 2014 fabra(at)ice.csic.es
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is not part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* GNSS-SDR is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef GNSS_SDR_SPIR_FILE_SIGNAL_SOURCE_H_
|
||||
#define GNSS_SDR_SPIR_FILE_SIGNAL_SOURCE_H_
|
||||
|
||||
#include <string>
|
||||
#include <gnuradio/blocks/file_source.h>
|
||||
#include <gnuradio/blocks/file_sink.h>
|
||||
#include <gnuradio/blocks/throttle.h>
|
||||
#include <gnuradio/hier_block2.h>
|
||||
#include <gnuradio/msg_queue.h>
|
||||
#include "gnss_block_interface.h"
|
||||
#include "unpack_intspir_1bit_samples.h"
|
||||
|
||||
|
||||
class ConfigurationInterface;
|
||||
|
||||
/*!
|
||||
* \brief Class that reads signals samples from a file
|
||||
* and adapts it to a SignalSourceInterface
|
||||
*/
|
||||
class SpirFileSignalSource: public GNSSBlockInterface
|
||||
{
|
||||
public:
|
||||
SpirFileSignalSource(ConfigurationInterface* configuration, std::string role,
|
||||
unsigned int in_streams, unsigned int out_streams,
|
||||
boost::shared_ptr<gr::msg_queue> queue);
|
||||
|
||||
virtual ~SpirFileSignalSource();
|
||||
std::string role()
|
||||
{
|
||||
return role_;
|
||||
}
|
||||
|
||||
/*!
|
||||
* \brief Returns "Spir_File_Signal_Source".
|
||||
*/
|
||||
std::string implementation()
|
||||
{
|
||||
return "Spir_File_Signal_Source";
|
||||
}
|
||||
size_t item_size()
|
||||
{
|
||||
return item_size_;
|
||||
}
|
||||
void connect(gr::top_block_sptr top_block);
|
||||
void disconnect(gr::top_block_sptr top_block);
|
||||
gr::basic_block_sptr get_left_block();
|
||||
gr::basic_block_sptr get_right_block();
|
||||
std::string filename()
|
||||
{
|
||||
return filename_;
|
||||
}
|
||||
std::string item_type()
|
||||
{
|
||||
return item_type_;
|
||||
}
|
||||
bool repeat()
|
||||
{
|
||||
return repeat_;
|
||||
}
|
||||
long sampling_frequency()
|
||||
{
|
||||
return sampling_frequency_;
|
||||
}
|
||||
long samples()
|
||||
{
|
||||
return samples_;
|
||||
}
|
||||
|
||||
private:
|
||||
unsigned long long samples_;
|
||||
long sampling_frequency_;
|
||||
std::string filename_;
|
||||
std::string item_type_;
|
||||
bool repeat_;
|
||||
bool dump_;
|
||||
std::string dump_filename_;
|
||||
std::string role_;
|
||||
unsigned int in_streams_;
|
||||
unsigned int out_streams_;
|
||||
gr::blocks::file_source::sptr file_source_;
|
||||
unpack_intspir_1bit_samples_sptr unpack_intspir_;
|
||||
boost::shared_ptr<gr::block> valve_;
|
||||
gr::blocks::file_sink::sptr sink_;
|
||||
gr::blocks::throttle::sptr throttle_;
|
||||
boost::shared_ptr<gr::msg_queue> queue_;
|
||||
size_t item_size_;
|
||||
// Throttle control
|
||||
bool enable_throttle_control_;
|
||||
};
|
||||
|
||||
#endif /*GNSS_SDR_SPIR_FILE_SIGNAL_SOURCE_H_*/
|
||||
|
|
@ -0,0 +1,84 @@
|
|||
/*!
|
||||
* \file unpack_intspir_1bit_samples.cc
|
||||
*
|
||||
* \brief Unpacks SPIR int samples to NSR 1 bit samples
|
||||
* \author Fran Fabra fabra (at) ice.csic.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is not part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* GNSS-SDR is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
|
||||
#include "unpack_intspir_1bit_samples.h"
|
||||
#include <iostream>
|
||||
#include <gnuradio/io_signature.h>
|
||||
|
||||
|
||||
|
||||
unpack_intspir_1bit_samples_sptr make_unpack_intspir_1bit_samples()
|
||||
{
|
||||
return unpack_intspir_1bit_samples_sptr(new unpack_intspir_1bit_samples());
|
||||
}
|
||||
|
||||
unpack_intspir_1bit_samples::unpack_intspir_1bit_samples() : sync_interpolator("unpack_intspir_1bit_samples",
|
||||
gr::io_signature::make(1, 1, sizeof(int)),
|
||||
gr::io_signature::make(1, 1, sizeof(float)),
|
||||
2)
|
||||
{}
|
||||
|
||||
unpack_intspir_1bit_samples::~unpack_intspir_1bit_samples()
|
||||
{}
|
||||
|
||||
int unpack_intspir_1bit_samples::work(int noutput_items,
|
||||
gr_vector_const_void_star &input_items,
|
||||
gr_vector_void_star &output_items)
|
||||
{
|
||||
const signed int *in = (const signed int *)input_items[0];
|
||||
float *out = (float*)output_items[0];
|
||||
|
||||
int n = 0;
|
||||
int channel = 1;
|
||||
for(int i = 0; i < noutput_items/2; i++)
|
||||
{
|
||||
// Read packed input sample (1 byte = 1 complex sample)
|
||||
// For historical reasons, values are float versions of short int limits (32767)
|
||||
signed int val = in[i];
|
||||
if(((val >> ((channel - 1)*2)) & 1) == 1)
|
||||
{
|
||||
out[n++] = static_cast<float>(32767.0);
|
||||
}
|
||||
else
|
||||
{
|
||||
out[n++] = static_cast<float>(-32767.0);
|
||||
}
|
||||
if(((val >> (2*channel - 1)) & 1) == 1)
|
||||
{
|
||||
out[n++] = static_cast<float>(32767.0);
|
||||
}
|
||||
else
|
||||
{
|
||||
out[n++] = static_cast<float>(-32767.0);
|
||||
}
|
||||
}
|
||||
return noutput_items;
|
||||
}
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
/*!
|
||||
* \file unpack_intspir_1bit_samples.h
|
||||
*
|
||||
* \brief Unpacks SPIR int samples to NSR 1 bit samples
|
||||
* \author Fran Fabra fabra (at) ice.csic.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is not part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* GNSS-SDR is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef GNSS_SDR_UNPACK_INTSPIR_1BIT_SAMPLES_H
|
||||
#define GNSS_SDR_UNPACK_INTSPIR_1BIT_SAMPLES_H
|
||||
|
||||
#include <gnuradio/sync_interpolator.h>
|
||||
|
||||
class unpack_intspir_1bit_samples;
|
||||
|
||||
typedef boost::shared_ptr<unpack_intspir_1bit_samples> unpack_intspir_1bit_samples_sptr;
|
||||
|
||||
unpack_intspir_1bit_samples_sptr make_unpack_intspir_1bit_samples();
|
||||
|
||||
/*!
|
||||
* \brief This class implements conversion between byte packet samples to 2bit samples
|
||||
* 1 byte = 4 2bit samples
|
||||
*/
|
||||
class unpack_intspir_1bit_samples: public gr::sync_interpolator
|
||||
{
|
||||
private:
|
||||
friend unpack_intspir_1bit_samples_sptr
|
||||
make_unpack_intspir_1bit_samples_sptr();
|
||||
|
||||
public:
|
||||
unpack_intspir_1bit_samples();
|
||||
~unpack_intspir_1bit_samples();
|
||||
int work (int noutput_items,
|
||||
gr_vector_const_void_star &input_items,
|
||||
gr_vector_void_star &output_items);
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
@ -45,6 +45,7 @@
|
|||
#include "pass_through.h"
|
||||
#include "file_signal_source.h"
|
||||
#include "nsr_file_signal_source.h"
|
||||
#include "spir_file_signal_source.h"
|
||||
#include "null_sink_output_filter.h"
|
||||
#include "file_output_filter.h"
|
||||
#include "channel.h"
|
||||
|
|
@ -384,6 +385,21 @@ std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetBlock(
|
|||
out_streams, queue));
|
||||
block = std::move(block_);
|
||||
|
||||
}
|
||||
catch (const std::exception &e)
|
||||
{
|
||||
std::cout << "GNSS-SDR program ended." << std::endl;
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
else if (implementation.compare("Spir_File_Signal_Source") == 0)
|
||||
{
|
||||
try
|
||||
{
|
||||
std::unique_ptr<GNSSBlockInterface> block_(new SpirFileSignalSource(configuration.get(), role, in_streams,
|
||||
out_streams, queue));
|
||||
block = std::move(block_);
|
||||
|
||||
}
|
||||
catch (const std::exception &e)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue