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Use by default the new fast local code resampler

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This commit is contained in:
Javier Arribas 2018-08-03 11:40:11 +02:00
parent 47e1ba1923
commit 83021ccfff
2 changed files with 32 additions and 9 deletions
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39
src/algorithms/tracking/libs/cpu_multicorrelator_real_codes.cc
View File

@ -37,7 +37,6 @@
#include <volk_gnsssdr/volk_gnsssdr.h>
#include <cmath>
cpu_multicorrelator_real_codes::cpu_multicorrelator_real_codes()
{
d_sig_in = nullptr;
@ -47,6 +46,7 @@ cpu_multicorrelator_real_codes::cpu_multicorrelator_real_codes()
d_local_codes_resampled = nullptr;
d_code_length_chips = 0;
d_n_correlators = 0;
d_use_fast_resampler = true;
}
@ -84,6 +84,7 @@ bool cpu_multicorrelator_real_codes::set_local_code_and_taps(
d_local_code_in = local_code_in;
d_shifts_chips = shifts_chips;
d_code_length_chips = code_length_chips;
return true;
}
@ -99,14 +100,28 @@ bool cpu_multicorrelator_real_codes::set_input_output_vectors(std::complex<float
void cpu_multicorrelator_real_codes::update_local_code(int correlator_length_samples, float rem_code_phase_chips, float code_phase_step_chips)
{
volk_gnsssdr_32f_xn_resampler_32f_xn(d_local_codes_resampled,
d_local_code_in,
rem_code_phase_chips,
code_phase_step_chips,
d_shifts_chips,
d_code_length_chips,
d_n_correlators,
correlator_length_samples);
if (d_use_fast_resampler)
{
volk_gnsssdr_32f_xn_fast_resampler_32f_xn(d_local_codes_resampled,
d_local_code_in,
rem_code_phase_chips,
code_phase_step_chips,
d_shifts_chips,
d_code_length_chips,
d_n_correlators,
correlator_length_samples);
}
else
{
volk_gnsssdr_32f_xn_resampler_32f_xn(d_local_codes_resampled,
d_local_code_in,
rem_code_phase_chips,
code_phase_step_chips,
d_shifts_chips,
d_code_length_chips,
d_n_correlators,
correlator_length_samples);
}
}
@ -141,3 +156,9 @@ bool cpu_multicorrelator_real_codes::free()
}
return true;
}
void cpu_multicorrelator_real_codes::set_fast_resampler(
bool use_fast_resampler)
{
d_use_fast_resampler = use_fast_resampler;
}

2
src/algorithms/tracking/libs/cpu_multicorrelator_real_codes.h
View File

@ -46,6 +46,7 @@ class cpu_multicorrelator_real_codes
{
public:
cpu_multicorrelator_real_codes();
void set_fast_resampler(bool use_fast_resampler);
~cpu_multicorrelator_real_codes();
bool init(int max_signal_length_samples, int n_correlators);
bool set_local_code_and_taps(int code_length_chips, const float *local_code_in, float *shifts_chips);
@ -61,6 +62,7 @@ private:
const float *d_local_code_in;
std::complex<float> *d_corr_out;
float *d_shifts_chips;
bool d_use_fast_resampler;
int d_code_length_chips;
int d_n_correlators;
};