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Fixing memory allocation

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This commit is contained in:
Carles Fernandez 2014-09-10 19:23:19 +02:00
parent 59c503d38a
commit 6d1a76ba1d
2 changed files with 16 additions and 23 deletions
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27
src/algorithms/acquisition/gnuradio_blocks/pcps_quicksync_acquisition_cc.cc
View File

@ -141,6 +141,7 @@ pcps_quicksync_acquisition_cc::~pcps_quicksync_acquisition_cc()
delete d_code;
delete d_possible_delay;
delete d_corr_output_f;
if (d_dump)
{
d_dump_file.close();
@ -149,32 +150,32 @@ pcps_quicksync_acquisition_cc::~pcps_quicksync_acquisition_cc()
}
void pcps_quicksync_acquisition_cc::set_local_code(std::complex<float> * code)
void pcps_quicksync_acquisition_cc::set_local_code(std::complex<float>* code)
{
/*save a local copy of the code without the folding process to perform corre-
lation in time in the final steps of the acquisition stage*/
memcpy(d_code, code, sizeof(gr_complex)*d_samples_per_code);
memcpy(d_code, code, sizeof(gr_complex) * d_samples_per_code);
d_code_folded = new gr_complex[d_fft_size]();
memcpy(d_fft_if->get_inbuf(), d_code_folded, sizeof(gr_complex)*(d_fft_size));
gr_complex* d_code_folded = new gr_complex[d_fft_size]();
memcpy(d_fft_if->get_inbuf(), d_code_folded, sizeof(gr_complex) * (d_fft_size));
/*perform folding of the code by the factorial factor parameter. Notice that
folding of the code in the time stage would result in a downsampled spectrum
in the frequency domain after applying the fftw operation*/
for (unsigned int i = 0; i < d_folding_factor; i++)
{
std::transform ((code + i*d_fft_size), (code + ((i+1)*d_fft_size)) ,
std::transform ((code + i * d_fft_size), (code + ((i + 1) * d_fft_size)) ,
d_fft_if->get_inbuf(), d_fft_if->get_inbuf(),
std::plus<gr_complex>());
}
d_fft_if->execute(); // We need the FFT of local code
//Conjugate the local code
volk_32fc_conjugate_32fc(d_fft_codes, d_fft_if->get_outbuf(), d_fft_size);
}
void pcps_quicksync_acquisition_cc::init()
{
//DLOG(INFO) << "START init";
@ -206,6 +207,7 @@ void pcps_quicksync_acquisition_cc::init()
// DLOG(INFO) << "end init";
}
int pcps_quicksync_acquisition_cc::general_work(int noutput_items,
gr_vector_int &ninput_items, gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
@ -375,18 +377,12 @@ int pcps_quicksync_acquisition_cc::general_work(int noutput_items,
{
unsigned int detected_delay_samples_folded = 0;
detected_delay_samples_folded = (indext % d_samples_per_code);
//float d_corr_output_f[d_folding_factor];
gr_complex complex_acumulator[100];
//gr_complex complex_acumulator[d_folding_factor];
//const int ff = d_folding_factor;
//gr_complex complex_acumulator[ff];
//gr_complex complex_acumulator[];
//complex_acumulator = new gr_complex[d_folding_factor]();
for (int i = 0; i < (int)d_folding_factor; i++)
{
d_possible_delay[i] = detected_delay_samples_folded +
(i)*d_fft_size;
d_possible_delay[i] = detected_delay_samples_folded + (i)*d_fft_size;
}
for ( int i = 0; i < (int)d_folding_factor; i++)
@ -472,9 +468,6 @@ int pcps_quicksync_acquisition_cc::general_work(int noutput_items,
}
}
delete d_code_folded;
volk_free(in_temp);
volk_free(in_temp_folded);
volk_free(in_1code);
@ -524,7 +517,7 @@ int pcps_quicksync_acquisition_cc::general_work(int noutput_items,
DLOG(INFO) << "test statistics threshold " << d_threshold;
DLOG(INFO) << "folding factor "<<d_folding_factor;
DLOG(INFO) << "possible delay corr output";
for (int i = 0; i < (int)d_folding_factor; i++) DLOG(INFO) << d_possible_delay[i] <<"\t\t\t"<<d_corr_output_f[i];
for (int i = 0; i < (int)d_folding_factor; i++) DLOG(INFO) << d_possible_delay[i] << "\t\t\t" << d_corr_output_f[i];
DLOG(INFO) << "code phase " << d_gnss_synchro->Acq_delay_samples;
DLOG(INFO) << "doppler " << d_gnss_synchro->Acq_doppler_hz;
DLOG(INFO) << "magnitude folded " << d_mag;

12
src/algorithms/acquisition/gnuradio_blocks/pcps_quicksync_acquisition_cc.h
View File

@ -112,12 +112,12 @@ private:
gr_complex* d_code;
unsigned int d_folding_factor; // also referred in the paper as 'p'
float * d_corr_acumulator;
unsigned int *d_possible_delay;
float *d_corr_output_f;
float * d_magnitude_folded;
gr_complex *d_signal_folded;
gr_complex *d_code_folded;
float* d_corr_acumulator;
unsigned int* d_possible_delay;
float* d_corr_output_f;
float* d_magnitude_folded;
gr_complex* d_signal_folded;
gr_complex* d_code_folded;
float d_noise_floor_power;
long d_fs_in;