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/*!
* \ file sbas_l1_telemetry_decoder_cc . cc
* \ brief Implementation of a SBAS telemetry data decoder block
* \ author Daniel Fehr 2013. daniel . co ( at ) bluewin . ch
*
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
*
* Copyright ( C ) 2010 - 2013 ( see AUTHORS file for a list of contributors )
*
* GNSS - SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is 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 <iostream>
# include <sstream>
# include <gnuradio/io_signature.h>
# include <glog/logging.h>
# include <boost/lexical_cast.hpp>
# include "control_message_factory.h"
# include "gnss_synchro.h"
# include "sbas_l1_telemetry_decoder_cc.h"
using google : : LogMessage ;
// logging levels
# define EVENT 2 // logs important events which don't occur every block
# define FLOW 3 // logs the function calls of block processing functions
# define SAMP_SYNC 4 // about 1 log entry per sample -> high output
# define LMORE 5 //
sbas_l1_telemetry_decoder_cc_sptr
sbas_l1_make_telemetry_decoder_cc ( Gnss_Satellite satellite , long if_freq , long fs_in , unsigned
int vector_length , boost : : shared_ptr < gr : : msg_queue > queue , bool dump )
{
return sbas_l1_telemetry_decoder_cc_sptr ( new sbas_l1_telemetry_decoder_cc ( satellite , if_freq ,
fs_in , vector_length , queue , dump ) ) ;
}
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sbas_l1_telemetry_decoder_cc : : sbas_l1_telemetry_decoder_cc (
Gnss_Satellite satellite ,
long if_freq ,
long fs_in ,
unsigned
int vector_length ,
boost : : shared_ptr < gr : : msg_queue > queue ,
bool dump ) :
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gr : : block ( " sbas_l1_telemetry_decoder_cc " ,
gr : : io_signature : : make ( 1 , 1 , sizeof ( Gnss_Synchro ) ) ,
gr : : io_signature : : make ( 1 , 1 , sizeof ( Gnss_Synchro ) ) )
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{
// initialize internal vars
d_dump = dump ;
d_satellite = Gnss_Satellite ( satellite . get_system ( ) , satellite . get_PRN ( ) ) ;
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LOG ( INFO ) < < " SBAS L1 TELEMETRY PROCESSING: satellite " < < d_satellite ;
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d_fs_in = fs_in ;
d_block_size = d_samples_per_symbol * d_symbols_per_bit * d_block_size_in_bits ;
set_output_multiple ( 1 ) ;
}
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sbas_l1_telemetry_decoder_cc : : ~ sbas_l1_telemetry_decoder_cc ( )
{
d_dump_file . close ( ) ;
}
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void sbas_l1_telemetry_decoder_cc : : forecast ( int noutput_items , gr_vector_int & ninput_items_required )
{
unsigned ninputs = ninput_items_required . size ( ) ;
for ( unsigned i = 0 ; i < ninputs ; i + + )
ninput_items_required [ i ] = noutput_items ;
VLOG ( LMORE ) < < " forecast(): " < < " noutput_items= " < < noutput_items < < " \t ninput_items_required ninput_items_required.size()= " < < ninput_items_required . size ( ) ;
}
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int sbas_l1_telemetry_decoder_cc : : general_work ( int noutput_items , gr_vector_int & ninput_items ,
gr_vector_const_void_star & input_items , gr_vector_void_star & output_items )
{
VLOG ( FLOW ) < < " general_work(): " < < " noutput_items= " < < noutput_items < < " \t output_items real size= " < < output_items . size ( ) < < " \t ninput_items size= " < < ninput_items . size ( ) < < " \t input_items real size= " < < input_items . size ( ) < < " \t ninput_items[0]= " < < ninput_items [ 0 ] ;
// get pointers on in- and output gnss-synchro objects
const Gnss_Synchro * in = ( const Gnss_Synchro * ) input_items [ 0 ] ; // input
Gnss_Synchro * out = ( Gnss_Synchro * ) output_items [ 0 ] ; // output
// store the time stamp of the first sample in the processed sample block
double sample_stamp = in [ 0 ] . Tracking_timestamp_secs ;
// copy correlation samples into samples vector
for ( int i = 0 ; i < noutput_items ; i + + )
{
// check if channel is in tracking state
//if(in[i].Prompt_I != in[i].Prompt_Q) // TODO: check for real condition
{
d_sample_buf . push_back ( in [ i ] . Prompt_I ) ;
}
}
// decode only if enough samples in buffer
if ( d_sample_buf . size ( ) > = d_block_size )
{
// align correlation samples in pairs
// and obtain the symbols by summing the paired correlation samples
std : : vector < double > symbols ;
bool sample_alignment = d_sample_aligner . get_symbols ( d_sample_buf , symbols ) ;
// align symbols in pairs
// and obtain the bits by decoding the symbol pairs
std : : vector < int > bits ;
bool symbol_alignment = d_symbol_aligner_and_decoder . get_bits ( symbols , bits ) ;
// search for preambles
// and extract the corresponding message candidates
std : : vector < msg_candiate_int_t > msg_candidates ;
d_frame_detector . get_frame_candidates ( bits , msg_candidates ) ;
// verify checksum
// and return the valid messages
std : : vector < msg_candiate_char_t > valid_msgs ;
d_crc_verifier . get_valid_frames ( msg_candidates , valid_msgs ) ;
// compute message sample stamp
// and fill messages in SBAS raw message objects
std : : vector < Sbas_Raw_Msg > sbas_raw_msgs ;
for ( std : : vector < msg_candiate_char_t > : : const_iterator it = valid_msgs . begin ( ) ;
it ! = valid_msgs . end ( ) ; + + it )
{
int message_sample_offset =
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( sample_alignment ? 0 : - 1 )
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+ d_samples_per_symbol * ( symbol_alignment ? - 1 : 0 )
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+ d_samples_per_symbol * d_symbols_per_bit * it - > first ;
double message_sample_stamp = sample_stamp + ( ( double ) message_sample_offset ) / 1000 ;
VLOG ( EVENT ) < < " message_sample_stamp= " < < message_sample_stamp
< < " (sample_stamp= " < < sample_stamp
< < " sample_alignment= " < < sample_alignment
< < " symbol_alignment= " < < symbol_alignment
< < " relative_preamble_start= " < < it - > first
< < " message_sample_offset= " < < message_sample_offset
< < " ) " ;
Sbas_Raw_Msg sbas_raw_msg ( message_sample_stamp , this - > d_satellite . get_PRN ( ) , it - > second ) ;
sbas_raw_msgs . push_back ( sbas_raw_msg ) ;
}
// parse messages
// and send them to the SBAS raw message queue
for ( std : : vector < Sbas_Raw_Msg > : : iterator it = sbas_raw_msgs . begin ( ) ; it ! = sbas_raw_msgs . end ( ) ; it + + )
{
std : : cout < < " SBAS message type " < < it - > get_msg_type ( ) < < " from PRN " < < it - > get_prn ( ) < < " received " < < std : : endl ;
sbas_telemetry_data . update ( * it ) ;
}
// clear all processed samples in the input buffer
d_sample_buf . clear ( ) ;
}
// UPDATE GNSS SYNCHRO DATA
// actually the SBAS telemetry decoder doesn't support ranging
Gnss_Synchro * current_synchro_data = out ; //structure to save the synchronization information and send the output object to the next block
for ( int i = 0 ; i < noutput_items ; i + + )
{
//1. Copy the current tracking output
current_synchro_data [ i ] = in [ i ] ;
//2. Add the telemetry decoder information
current_synchro_data [ i ] . Flag_valid_word = false ; // indicate to observable block that this synchro object isn't valid for pseudorange computation
}
consume_each ( noutput_items ) ; // tell scheduler input items consumed
return noutput_items ; // tell scheduler output items produced
}
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void sbas_l1_telemetry_decoder_cc : : set_satellite ( Gnss_Satellite satellite )
{
d_satellite = Gnss_Satellite ( satellite . get_system ( ) , satellite . get_PRN ( ) ) ;
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LOG ( INFO ) < < " SBAS telemetry decoder in channel " < < this - > d_channel < < " set to satellite " < < d_satellite ;
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}
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void sbas_l1_telemetry_decoder_cc : : set_channel ( int channel )
{
d_channel = channel ;
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LOG ( INFO ) < < " SBAS channel set to " < < channel ;
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}
// ### helper class for sample alignment ###
sbas_l1_telemetry_decoder_cc : : sample_aligner : : sample_aligner ( )
{
d_n_smpls_in_history = 3 ;
d_iir_par = 0.05 ;
reset ( ) ;
}
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sbas_l1_telemetry_decoder_cc : : sample_aligner : : ~ sample_aligner ( )
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{ }
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void sbas_l1_telemetry_decoder_cc : : sample_aligner : : reset ( )
{
d_past_sample = 0 ;
d_corr_paired = 0 ;
d_corr_shifted = 0 ;
d_aligned = true ;
}
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/*
* samples length must be a multiple of two
*/
bool sbas_l1_telemetry_decoder_cc : : sample_aligner : : get_symbols ( const std : : vector < double > samples , std : : vector < double > & symbols )
{
double smpls [ d_n_smpls_in_history ] ;
double corr_diff ;
bool stand_by = true ;
double sym ;
VLOG ( FLOW ) < < " get_symbols(): " < < " d_past_sample= " < < d_past_sample < < " \t samples size= " < < samples . size ( ) ;
for ( unsigned int i_sym = 0 ; i_sym < samples . size ( ) / sbas_l1_telemetry_decoder_cc : : d_samples_per_symbol ; i_sym + + )
{
// get the next samples
for ( int i = 0 ; i < d_n_smpls_in_history ; i + + )
{
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smpls [ i ] = ( ( int ) i_sym ) * sbas_l1_telemetry_decoder_cc : : d_samples_per_symbol + i - 1 = = - 1 ? d_past_sample : samples [ i_sym * sbas_l1_telemetry_decoder_cc : : d_samples_per_symbol + i - 1 ] ;
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}
// update the pseudo correlations (IIR method) of the two possible alignments
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d_corr_paired = d_iir_par * smpls [ 1 ] * smpls [ 2 ] + ( 1 - d_iir_par ) * d_corr_paired ;
d_corr_shifted = d_iir_par * smpls [ 0 ] * smpls [ 1 ] + ( 1 - d_iir_par ) * d_corr_shifted ;
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// decide which alignment is the correct one
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corr_diff = std : : abs ( d_corr_paired - d_corr_shifted ) ;
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stand_by = d_aligned ? corr_diff < d_corr_paired / 2 : corr_diff < d_corr_shifted / 2 ;
if ( ! stand_by )
{
d_aligned = d_corr_paired > = d_corr_shifted ;
}
// sum the correct pair of samples to a symbol, depending on the current alignment d_align
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sym = smpls [ 0 + int ( d_aligned ) * 2 ] + smpls [ 1 ] ;
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symbols . push_back ( sym ) ;
// sample alignment debug output
VLOG ( SAMP_SYNC ) < < std : : setprecision ( 5 )
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< < " smplp: " < < std : : setw ( 6 ) < < smpls [ 0 ] < < " " < < " smpl0: " < < std : : setw ( 6 )
< < smpls [ 1 ] < < " " < < " smpl1: " < < std : : setw ( 6 ) < < smpls [ 2 ] < < " \t "
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//<< "Flag_valid_tracking: " << std::setw(1) << in[0][0].Flag_valid_tracking << " " << std::setw(1) << in[0][0].Flag_valid_tracking << "\t"
< < " d_corr_paired: " < < std : : setw ( 10 ) < < d_corr_paired < < " \t "
< < " d_corr_shifted: " < < std : : setw ( 10 ) < < d_corr_shifted < < " \t "
< < " corr_diff: " < < std : : setw ( 10 ) < < corr_diff < < " \t "
< < " stand_by: " < < std : : setw ( 1 ) < < stand_by < < " \t "
< < " d_aligned: " < < std : : setw ( 1 ) < < d_aligned < < " \t "
< < " sym: " < < std : : setw ( 10 ) < < sym < < " \t " ;
}
// save last sample for next block
double temp ;
temp = samples . back ( ) ;
d_past_sample = ( temp ) ;
return d_aligned ;
}
// ### helper class for symbol alignment and viterbi decoding ###
sbas_l1_telemetry_decoder_cc : : symbol_aligner_and_decoder : : symbol_aligner_and_decoder ( )
{
// convolutional code properties
d_KK = 7 ;
int nn = 2 ;
int g_encoder [ nn ] ;
g_encoder [ 0 ] = 121 ;
g_encoder [ 1 ] = 91 ;
d_vd1 = new Viterbi_Decoder ( g_encoder , d_KK , nn ) ;
d_vd2 = new Viterbi_Decoder ( g_encoder , d_KK , nn ) ;
d_past_symbol = 0 ;
}
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sbas_l1_telemetry_decoder_cc : : symbol_aligner_and_decoder : : ~ symbol_aligner_and_decoder ( )
{
delete d_vd1 ;
delete d_vd2 ;
}
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void sbas_l1_telemetry_decoder_cc : : symbol_aligner_and_decoder : : reset ( )
{
d_past_symbol = 0 ;
d_vd1 - > reset ( ) ;
d_vd2 - > reset ( ) ;
}
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bool sbas_l1_telemetry_decoder_cc : : symbol_aligner_and_decoder : : get_bits ( const std : : vector < double > symbols , std : : vector < int > & bits )
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{
const int traceback_depth = 5 * d_KK ;
int nbits_requested = symbols . size ( ) / d_symbols_per_bit ;
int nbits_decoded ;
// fill two vectors with the two possible symbol alignments
std : : vector < double > symbols_vd1 ( symbols ) ; // aligned symbol vector -> copy input symbol vector
std : : vector < double > symbols_vd2 ; // shifted symbol vector -> add past sample in front of input vector
symbols_vd1 . push_back ( d_past_symbol ) ;
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for ( std : : vector < double > : : const_iterator symbol_it = symbols . begin ( ) ; symbol_it ! = symbols . end ( ) - 1 ; + + symbol_it )
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{
symbols_vd2 . push_back ( * symbol_it ) ;
}
// arrays for decoded bits
int * bits_vd1 = new int [ nbits_requested ] ;
int * bits_vd2 = new int [ nbits_requested ] ;
// decode
float metric_vd1 = d_vd1 - > decode_continuous ( symbols_vd1 . data ( ) , traceback_depth , bits_vd1 , nbits_requested , nbits_decoded ) ;
float metric_vd2 = d_vd2 - > decode_continuous ( symbols_vd2 . data ( ) , traceback_depth , bits_vd2 , nbits_requested , nbits_decoded ) ;
// choose the bits with the better metric
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for ( int i = 0 ; i < nbits_decoded ; i + + )
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{
if ( metric_vd1 > metric_vd2 )
{ // symbols aligned
bits . push_back ( bits_vd1 [ i ] ) ;
}
else
{ // symbols shifted
bits . push_back ( bits_vd2 [ i ] ) ;
}
}
d_past_symbol = symbols . back ( ) ;
delete [ ] bits_vd1 ;
delete [ ] bits_vd2 ;
return metric_vd1 > metric_vd2 ;
}
// ### helper class for detecting the preamble and collect the corresponding message candidates ###
void sbas_l1_telemetry_decoder_cc : : frame_detector : : reset ( )
{
d_buffer . clear ( ) ;
}
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void sbas_l1_telemetry_decoder_cc : : frame_detector : : get_frame_candidates ( const std : : vector < int > bits , std : : vector < std : : pair < int , std : : vector < int > > > & msg_candidates )
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{
std : : stringstream ss ;
unsigned int sbas_msg_length = 250 ;
std : : vector < std : : vector < int > > preambles = { { 0 , 1 , 0 , 1 , 0 , 0 , 1 , 1 } ,
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{ 1 , 0 , 0 , 1 , 1 , 0 , 1 , 0 } ,
{ 1 , 1 , 0 , 0 , 0 , 1 , 1 , 0 } } ;
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VLOG ( FLOW ) < < " get_frame_candidates(): " < < " d_buffer.size()= " < < d_buffer . size ( ) < < " \t bits.size()= " < < bits . size ( ) ;
ss < < " copy bits " ;
int count = 0 ;
// copy new bits into the working buffer
for ( std : : vector < int > : : const_iterator bit_it = bits . begin ( ) ; bit_it < bits . end ( ) ; + + bit_it )
{
d_buffer . push_back ( * bit_it ) ;
ss < < * bit_it ;
count + + ;
}
VLOG ( SAMP_SYNC ) < < ss . str ( ) < < " into working buffer ( " < < count < < " bits) " ;
int relative_preamble_start = 0 ;
while ( d_buffer . size ( ) > = sbas_msg_length )
{
// compare with all preambles
for ( std : : vector < std : : vector < int > > : : iterator preample_it = preambles . begin ( ) ; preample_it < preambles . end ( ) ; + + preample_it )
{
bool preamble_detected = true ;
bool inv_preamble_detected = true ;
// compare the buffer bits with the preamble bits
for ( std : : vector < int > : : iterator preample_bit_it = preample_it - > begin ( ) ; preample_bit_it < preample_it - > end ( ) ; + + preample_bit_it )
{
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preamble_detected = * preample_bit_it = = d_buffer [ preample_bit_it - preample_it - > begin ( ) ] ? preamble_detected : false ;
inv_preamble_detected = * preample_bit_it ! = d_buffer [ preample_bit_it - preample_it - > begin ( ) ] ? inv_preamble_detected : false ;
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}
if ( preamble_detected | | inv_preamble_detected )
{
// copy candidate
std : : vector < int > candidate ;
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std : : copy ( d_buffer . begin ( ) , d_buffer . begin ( ) + sbas_msg_length , std : : back_inserter ( candidate ) ) ;
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if ( inv_preamble_detected )
{
// invert bits
for ( std : : vector < int > : : iterator candidate_bit_it = candidate . begin ( ) ; candidate_bit_it ! = candidate . end ( ) ; candidate_bit_it + + )
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* candidate_bit_it = * candidate_bit_it = = 0 ? 1 : 0 ;
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}
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msg_candidates . push_back ( std : : pair < int , std : : vector < int > > ( relative_preamble_start , candidate ) ) ;
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ss . str ( " " ) ;
ss < < " preamble " < < preample_it - preambles . begin ( ) < < ( inv_preamble_detected ? " inverted " : " normal " ) < < " detected! candidate= " ;
for ( std : : vector < int > : : iterator bit_it = candidate . begin ( ) ; bit_it < candidate . end ( ) ; + + bit_it )
ss < < * bit_it ;
VLOG ( EVENT ) < < ss . str ( ) ;
}
}
relative_preamble_start + + ;
// remove bit in front
d_buffer . pop_front ( ) ;
}
}
// ### helper class for checking the CRC of the message candidates ###
void sbas_l1_telemetry_decoder_cc : : crc_verifier : : reset ( )
{
}
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void sbas_l1_telemetry_decoder_cc : : crc_verifier : : get_valid_frames ( const std : : vector < msg_candiate_int_t > msg_candidates , std : : vector < msg_candiate_char_t > & valid_msgs )
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{
std : : stringstream ss ;
VLOG ( FLOW ) < < " get_valid_frames(): " < < " msg_candidates.size()= " < < msg_candidates . size ( ) ;
// for each candidate
for ( std : : vector < msg_candiate_int_t > : : const_iterator candidate_it = msg_candidates . begin ( ) ; candidate_it < msg_candidates . end ( ) ; + + candidate_it )
{
// convert to bytes
std : : vector < unsigned char > candidate_bytes ;
zerropad_back_and_convert_to_bytes ( candidate_it - > second , candidate_bytes ) ;
// verify CRC
d_checksum_agent . reset ( 0 ) ;
d_checksum_agent . process_bytes ( candidate_bytes . data ( ) , candidate_bytes . size ( ) ) ;
unsigned int crc = d_checksum_agent . checksum ( ) ;
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VLOG ( SAMP_SYNC ) < < " candidate " < < candidate_it - msg_candidates . begin ( )
< < " : final crc remainder= " < < std : : hex < < crc
< < std : : setfill ( ' ' ) < < std : : resetiosflags ( std : : ios : : hex ) ;
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// the final remainder must be zero for a valid message, because the CRC is done over the received CRC value
if ( crc = = 0 )
{
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valid_msgs . push_back ( msg_candiate_char_t ( candidate_it - > first , candidate_bytes ) ) ;
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ss < < " Valid message found! " ;
}
else
{
ss < < " Not a valid message. " ;
}
ss < < " Relbitoffset= " < < candidate_it - > first < < " content= " ;
for ( std : : vector < unsigned char > : : iterator byte_it = candidate_bytes . begin ( ) ; byte_it < candidate_bytes . end ( ) ; + + byte_it )
{
ss < < std : : setw ( 2 ) < < std : : setfill ( ' 0 ' ) < < std : : hex < < ( unsigned int ) ( * byte_it ) ;
}
VLOG ( SAMP_SYNC ) < < ss . str ( ) < < std : : setfill ( ' ' ) < < std : : resetiosflags ( std : : ios : : hex ) < < std : : endl ;
}
}
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void sbas_l1_telemetry_decoder_cc : : crc_verifier : : zerropad_back_and_convert_to_bytes ( const std : : vector < int > msg_candidate , std : : vector < unsigned char > & bytes )
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{
std : : stringstream ss ;
const size_t bits_per_byte = 8 ;
unsigned char byte = 0 ;
VLOG ( LMORE ) < < " zerropad_back_and_convert_to_bytes(): " < < byte ;
for ( std : : vector < int > : : const_iterator candidate_bit_it = msg_candidate . begin ( ) ; candidate_bit_it < msg_candidate . end ( ) ; + + candidate_bit_it )
{
int idx_bit = candidate_bit_it - msg_candidate . begin ( ) ;
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int bit_pos_in_current_byte = ( bits_per_byte - 1 ) - ( idx_bit % bits_per_byte ) ;
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byte | = ( unsigned char ) ( * candidate_bit_it ) < < bit_pos_in_current_byte ;
ss < < * candidate_bit_it ;
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if ( idx_bit % bits_per_byte = = bits_per_byte - 1 )
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{
bytes . push_back ( byte ) ;
VLOG ( LMORE ) < < ss . str ( ) < < " -> byte= " < < std : : setw ( 2 ) < < std : : setfill ( ' 0 ' ) < < std : : hex < < ( unsigned int ) byte ; ss . str ( " " ) ;
byte = 0 ;
}
}
bytes . push_back ( byte ) ; // implies: insert 6 zeros at the end to fit the 250bits into a multiple of bytes
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VLOG ( LMORE ) < < " -> byte= " < < std : : setw ( 2 )
< < std : : setfill ( ' 0 ' ) < < std : : hex < < ( unsigned int ) byte
< < std : : setfill ( ' ' ) < < std : : resetiosflags ( std : : ios : : hex ) ;
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}
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void sbas_l1_telemetry_decoder_cc : : crc_verifier : : zerropad_front_and_convert_to_bytes ( const std : : vector < int > msg_candidate , std : : vector < unsigned char > & bytes )
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{
std : : stringstream ss ;
const size_t bits_per_byte = 8 ;
unsigned char byte = 0 ;
int idx_bit = 6 ; // insert 6 zeros at the front to fit the 250bits into a multiple of bytes
VLOG ( LMORE ) < < " zerropad_front_and_convert_to_bytes(): " < < byte ;
for ( std : : vector < int > : : const_iterator candidate_bit_it = msg_candidate . begin ( ) ; candidate_bit_it < msg_candidate . end ( ) ; + + candidate_bit_it )
{
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int bit_pos_in_current_byte = ( bits_per_byte - 1 ) - ( idx_bit % bits_per_byte ) ;
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byte | = ( unsigned char ) ( * candidate_bit_it ) < < bit_pos_in_current_byte ;
ss < < * candidate_bit_it ;
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if ( idx_bit % bits_per_byte = = bits_per_byte - 1 )
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{
bytes . push_back ( byte ) ;
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VLOG ( LMORE ) < < ss . str ( ) < < " -> byte= " < < std : : setw ( 2 )
< < std : : setfill ( ' 0 ' ) < < std : : hex < < ( unsigned int ) byte ; ss . str ( " " ) ;
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byte = 0 ;
}
idx_bit + + ;
}
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VLOG ( LMORE ) < < " -> byte= " < < std : : setw ( 2 )
< < std : : setfill ( ' 0 ' ) < < std : : hex < < ( unsigned int ) byte
< < std : : setfill ( ' ' ) < < std : : resetiosflags ( std : : ios : : hex ) ;
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}
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void sbas_l1_telemetry_decoder_cc : : set_raw_msg_queue ( concurrent_queue < Sbas_Raw_Msg > * raw_msg_queue )
{
sbas_telemetry_data . set_raw_msg_queue ( raw_msg_queue ) ;
}
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void sbas_l1_telemetry_decoder_cc : : set_iono_queue ( concurrent_queue < Sbas_Ionosphere_Correction > * iono_queue )
{
sbas_telemetry_data . set_iono_queue ( iono_queue ) ;
}
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void sbas_l1_telemetry_decoder_cc : : set_sat_corr_queue ( concurrent_queue < Sbas_Satellite_Correction > * sat_corr_queue )
{
sbas_telemetry_data . set_sat_corr_queue ( sat_corr_queue ) ;
}
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void sbas_l1_telemetry_decoder_cc : : set_ephemeris_queue ( concurrent_queue < Sbas_Ephemeris > * ephemeris_queue )
{
sbas_telemetry_data . set_ephemeris_queue ( ephemeris_queue ) ;
}