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Temporary bug fix related to the GPS L1 C/A symbol TOW assignation. Position accuracy improvement confirmed. In-deep review is being done

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Javier Arribas
2017-08-01 17:03:31 +02:00
parent 94a4a0fdcf
commit 1574e277d7
3 changed files with 81 additions and 17 deletions
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src/utils/matlab/libs/read_true_sim_observables_dump.m
+61
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% Javier Arribas 2011
function [observables] = read_true_sim_observables_dump (filename, count)
%% usage: read_true_sim_observables_dump (filename, [count])
%%
%% open gnss-sdr-sim observables dump and read all chennels
%%
m = nargchk (1,2,nargin);
channels=12; %Simulator always use 12 channels
num_double_vars=6;
double_size_bytes=8;
skip_bytes_each_read=double_size_bytes*num_double_vars*channels;
bytes_shift=0;
if (m)
usage (m);
end
if (nargin < 2)
count = Inf;
end
%loops_counter = fread (f, count, 'uint32',4*12);
f = fopen (filename, 'rb');
if (f < 0)
else
for N=1:1:channels
observables.RX_time(N,:) = fread (f, count, 'float64',skip_bytes_each_read-double_size_bytes);
bytes_shift=bytes_shift+double_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next interleaved
observables.Carrier_Doppler_hz(N,:) = fread (f, count, 'float64',skip_bytes_each_read-double_size_bytes);
bytes_shift=bytes_shift+double_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next interleaved
observables.Carrier_phase_hz(N,:) = fread (f, count, 'float64',skip_bytes_each_read-double_size_bytes);
bytes_shift=bytes_shift+double_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next interleaved
observables.Pseudorange_m(N,:) = fread (f, count, 'float64',skip_bytes_each_read-double_size_bytes);
bytes_shift=bytes_shift+double_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next interleaved
observables.Carrier_phase_hz_v2(N,:) = fread (f, count, 'float64',skip_bytes_each_read-double_size_bytes);
bytes_shift=bytes_shift+double_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next interleaved
observables.PRN(N,:) = fread (f, count, 'float64',skip_bytes_each_read-double_size_bytes);
bytes_shift=bytes_shift+double_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next interleaved
end
fclose (f);
% %%%%%%%% output vars %%%%%%%%
% for(int i=0;i<12;i++)
% {
% d_dump_file.read((char *) &gps_time_sec[i], sizeof(double));
% d_dump_file.read((char *) &doppler_l1_hz, sizeof(double));
% d_dump_file.read((char *) &acc_carrier_phase_l1_cycles[i], sizeof(double));
% d_dump_file.read((char *) &dist_m[i], sizeof(double));
% d_dump_file.read((char *) &carrier_phase_l1_cycles[i], sizeof(double));
% d_dump_file.read((char *) &prn[i], sizeof(double));
% }
end