Class that implements carrier wipe-off and correlators. More...

#include <fpga_acquisition.h>

Public Member Functions
	Fpga_Acquisition (std::string device_name, uint32_t nsamples, uint32_t doppler_max, uint32_t nsamples_total, int64_t fs_in, uint32_t select_queue, uint32_t *all_fft_codes, uint32_t excludelimit)
	Constructor. More...

	~Fpga_Acquisition ()=default
	Destructor. More...

bool	set_local_code (uint32_t PRN)
	Select the code with the chosen PRN. More...

void	set_doppler_sweep (uint32_t num_sweeps, uint32_t doppler_step, int32_t doppler_min)
	Configure the doppler sweep parameters in the FPGA. More...

void	run_acquisition ()
	Run the acquisition process in the FPGA. More...

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)
	Read the results of the acquisition process. More...

void	set_doppler_max (uint32_t doppler_max)
	Set maximum Doppler grid search. More...

void	set_doppler_step (uint32_t doppler_step)
	Set Doppler steps for the grid search. More...

void	reset_acquisition ()
	Reset the FPGA PL. More...

void	stop_acquisition ()
	stop the acquisition and the FPGA modules. More...

void	read_fpga_total_scale_factor (uint32_t total_scale_factor, uint32_t fw_scale_factor)
	Read the scaling factor that has been used by the FFT-IFFT. More...

void	set_block_exp (uint32_t total_block_exp)
	Set the block exponent of the FFT in the FPGA. More...

void	write_local_code (void)
	Write the PRN code in the FPGA. More...

void	configure_acquisition (void)
	Write the acquisition parameters into the FPGA. More...

void	open_device ()
	Open the device driver. More...

void	close_device ()
	Close the device driver. More...

Detailed Description

Class that implements carrier wipe-off and correlators.

Definition at line 37 of file fpga_acquisition.h.

Constructor & Destructor Documentation

◆ Fpga_Acquisition()

Fpga_Acquisition::Fpga_Acquisition	(	std::string	device_name,
		uint32_t	nsamples,
		uint32_t	doppler_max,
		uint32_t	nsamples_total,
		int64_t	fs_in,
		uint32_t	select_queue,
		uint32_t *	all_fft_codes,
		uint32_t	excludelimit
	)

Constructor.

◆ ~Fpga_Acquisition()

Fpga_Acquisition::~Fpga_Acquisition ( )

default

Destructor.

Member Function Documentation

◆ close_device()

void Fpga_Acquisition::close_device ( )

Close the device driver.

◆ configure_acquisition()

void Fpga_Acquisition::configure_acquisition ( void )

Write the acquisition parameters into the FPGA.

◆ open_device()

void Fpga_Acquisition::open_device ( )

Open the device driver.

◆ read_acquisition_results()

void Fpga_Acquisition::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
	)

Read the results of the acquisition process.

◆ read_fpga_total_scale_factor()

void Fpga_Acquisition::read_fpga_total_scale_factor	(	uint32_t *	total_scale_factor,
		uint32_t *	fw_scale_factor
	)

Read the scaling factor that has been used by the FFT-IFFT.

◆ reset_acquisition()

void Fpga_Acquisition::reset_acquisition ( )

Reset the FPGA PL.

◆ run_acquisition()

void Fpga_Acquisition::run_acquisition ( )

Run the acquisition process in the FPGA.

◆ set_block_exp()

void Fpga_Acquisition::set_block_exp ( uint32_t total_block_exp )

Set the block exponent of the FFT in the FPGA.

◆ set_doppler_max()

void Fpga_Acquisition::set_doppler_max ( uint32_t doppler_max )

inline

Set maximum Doppler grid search.

Parameters

doppler_max - Maximum Doppler shift considered in the grid search [Hz].

Definition at line 89 of file fpga_acquisition.h.

◆ set_doppler_step()

void Fpga_Acquisition::set_doppler_step ( uint32_t doppler_step )

inline

Set Doppler steps for the grid search.

Parameters

doppler_step - Frequency bin of the search grid [Hz].

Definition at line 98 of file fpga_acquisition.h.

◆ set_doppler_sweep()

void Fpga_Acquisition::set_doppler_sweep	(	uint32_t	num_sweeps,
		uint32_t	doppler_step,
		int32_t	doppler_min
	)

Configure the doppler sweep parameters in the FPGA.

◆ set_local_code()

bool Fpga_Acquisition::set_local_code ( uint32_t PRN )

Select the code with the chosen PRN.

◆ stop_acquisition()

void Fpga_Acquisition::stop_acquisition ( )

stop the acquisition and the FPGA modules.

◆ write_local_code()

void Fpga_Acquisition::write_local_code ( void )

Write the PRN code in the FPGA.

The documentation for this class was generated from the following file:

fpga_acquisition.h

Public Member Functions