mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2024-11-16 23:04:57 +00:00
Code Issues Releases Wiki Activity

Fix computation of lock time

Browse Source 
LLI still not implemented, values will be incorrect upon first loss of
lock.
This commit is contained in:
Carles Fernandez 2016-05-04 19:18:34 +02:00
parent 0ea36db356
commit 8fe691dc76
1 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/algorithms/PVT/gnuradio_blocks/gps_l1_ca_pvt_cc.cc
View File

@ -271,19 +271,21 @@ int gps_l1_ca_pvt_cc::general_work (int noutput_items __attribute__((unused)), g
// ############ 1. READ PSEUDORANGES #### // ############ 1. READ PSEUDORANGES ####
for (unsigned int i = 0; i < d_nchannels; i++) for (unsigned int i = 0; i < d_nchannels; i++)
{ {
std::map<int,Gps_Ephemeris>::iterator gps_ephemeris_iter;
gps_ephemeris_iter = d_ls_pvt->gps_ephemeris_map.begin();
if (in[i][0].Flag_valid_pseudorange == true) if (in[i][0].Flag_valid_pseudorange == true)
{ {
gnss_pseudoranges_map.insert(std::pair<int,Gnss_Synchro>(in[i][0].PRN, in[i][0])); // store valid pseudoranges in a map gnss_pseudoranges_map.insert(std::pair<int,Gnss_Synchro>(in[i][0].PRN, in[i][0])); // store valid pseudoranges in a map
d_rx_time = in[i][0].d_TOW_at_current_symbol; // all the channels have the same RX timestamp (common RX time pseudoranges) d_rx_time = in[i][0].d_TOW_at_current_symbol; // all the channels have the same RX timestamp (common RX time pseudoranges)
d_rtcm_printer->lock_time(gps_ephemeris_iter->second, d_rx_time, in[i][0]); // keep track of locking time if(d_ls_pvt->gps_ephemeris_map.size() > 0)
} {
else std::map<int,Gps_Ephemeris>::iterator tmp_eph_iter = d_ls_pvt->gps_ephemeris_map.find(in[i][0].PRN);
{ if(tmp_eph_iter != d_ls_pvt->gps_ephemeris_map.end())
d_rtcm_printer->lock_time(gps_ephemeris_iter->second, 0.0, in[i][0]); {
d_rtcm_printer->lock_time(d_ls_pvt->gps_ephemeris_map.find(in[i][0].PRN)->second, d_rx_time, in[i][0]); // keep track of locking time
}
}
} }
} }
// ############ 2 COMPUTE THE PVT ################################ // ############ 2 COMPUTE THE PVT ################################
if (gnss_pseudoranges_map.size() > 0 and d_ls_pvt->gps_ephemeris_map.size() > 0) if (gnss_pseudoranges_map.size() > 0 and d_ls_pvt->gps_ephemeris_map.size() > 0)
{ {