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Merge branch 'fpga' of https://github.com/gnss-sdr/gnss-sdr into merge-fpga

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This commit is contained in:
Carles Fernandez
2019-02-28 21:45:30 +01:00
parent 551279b9ae 3b30867df0
commit 7c71ed9404
52 changed files with 3976 additions and 2630 deletions
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57
src/algorithms/acquisition/libs/fpga_acquisition.h
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@@ -2,7 +2,7 @@
* \file fpga_acquisition.h
* \brief High optimized FPGA vector correlator class
* \authors <ul>
* <li> Marc Majoral, 2018. mmajoral(at)cttc.cat
* <li> Marc Majoral, 2019. mmajoral(at)cttc.cat
* </ul>
*
* Class that controls and executes a high optimized acquisition HW
@@ -10,7 +10,7 @@
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
@@ -43,28 +43,28 @@
/*!
* \brief Class that implements carrier wipe-off and correlators.
*/
class fpga_acquisition
class Fpga_Acquisition
{
public:
fpga_acquisition(std::string device_name,
Fpga_Acquisition(std::string device_name,
uint32_t nsamples,
uint32_t doppler_max,
uint32_t nsamples_total,
int64_t fs_in,
uint32_t sampled_ms,
uint32_t select_queue,
lv_16sc_t *all_fft_codes);
lv_16sc_t *all_fft_codes,
uint32_t excludelimit);
~fpga_acquisition();
~Fpga_Acquisition();
bool init();
bool set_local_code(uint32_t PRN);
bool free();
void set_doppler_sweep(uint32_t num_sweeps);
void set_doppler_sweep_debug(uint32_t num_sweeps, uint32_t doppler_index);
void run_acquisition(void);
void set_phase_step(uint32_t doppler_index);
void read_acquisition_results(uint32_t *max_index, float *max_magnitude,
uint64_t *initial_sample, float *power_sum, uint32_t *doppler_index);
void read_acquisition_results(uint32_t *max_index, float *firstpeak, float *secondpeak, uint64_t *initial_sample, float *power_sum, uint32_t *doppler_index, uint32_t *total_blk_exp);
void block_samples();
void unblock_samples();
@@ -86,6 +86,25 @@ public:
d_doppler_step = doppler_step;
}
/*!
* \brief Reset the FPGA PL.
*/
void reset_acquisition(void);
/*!
* \brief read the scaling factor that has been used by the FFT-IFFT
*/
void read_fpga_total_scale_factor(uint32_t *total_scale_factor, uint32_t *fw_scale_factor);
void set_block_exp(uint32_t total_block_exp);
void write_local_code(void);
void configure_acquisition(void);
void close_device();
void open_device();
private:
int64_t d_fs_in;
// data related to the hardware module and the driver
@@ -93,18 +112,18 @@ private:
volatile uint32_t *d_map_base; // driver memory map
lv_16sc_t *d_all_fft_codes; // memory that contains all the code ffts
uint32_t d_vector_length; // number of samples incluing padding and number of ms
uint32_t d_nsamples_total; // number of samples including padding
uint32_t d_nsamples; // number of samples not including padding
uint32_t d_select_queue; // queue selection
std::string d_device_name; // HW device name
uint32_t d_doppler_max; // max doppler
uint32_t d_doppler_step; // doppler step
uint32_t d_excludelimit;
uint32_t d_nsamples_total; // number of samples including padding
uint32_t d_nsamples; // number of samples not including padding
uint32_t d_select_queue; // queue selection
std::string d_device_name; // HW device name
uint32_t d_doppler_max; // max doppler
uint32_t d_doppler_step; // doppler step
uint32_t d_PRN; // PRN
// FPGA private functions
uint32_t fpga_acquisition_test_register(uint32_t writeval);
void fpga_acquisition_test_register(void);
void fpga_configure_acquisition_local_code(lv_16sc_t fft_local_code[]);
void configure_acquisition();
void reset_acquisition(void);
void close_device();
void read_result_valid(uint32_t *result_valid);
};
#endif /* GNSS_SDR_FPGA_ACQUISITION_H_ */