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implemented 64-bit global sample counter

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started programming the FPGA tracking unit tests
This commit is contained in:
Marc Majoral
2018-08-10 13:12:06 +02:00
parent 3b154c57c2
commit b1524a3afe
8 changed files with 1067 additions and 29 deletions
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4
src/algorithms/acquisition/gnuradio_blocks/pcps_acquisition_fpga.cc
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@@ -223,7 +223,7 @@ void pcps_acquisition_fpga::set_active(bool active)
// no CFAR algorithm in the FPGA
<< ", use_CFAR_algorithm_flag: false";
unsigned int initial_sample;
unsigned long int initial_sample;
float input_power_all = 0.0;
float input_power_computed = 0.0;
@@ -328,7 +328,7 @@ void pcps_acquisition_fpga::set_active(bool active)
printf("##### d_test_statistics = %f\n", d_test_statistics);
printf("##### debug_d_max_absolute =%f\n",debug_d_max_absolute);
printf("##### debug_d_input_power_absolute =%f\n",debug_d_input_power_absolute);
printf("##### initial_sample = %d\n",initial_sample);
printf("##### initial_sample = %lu\n",initial_sample);
printf("##### debug_doppler_index = %d\n",debug_doppler_index);
send_positive_acquisition();
d_state = 0; // Positive acquisition

13
src/algorithms/acquisition/libs/fpga_acquisition.cc
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@@ -369,13 +369,20 @@ void fpga_acquisition::set_phase_step(unsigned int doppler_index)
void fpga_acquisition::read_acquisition_results(uint32_t *max_index,
float *max_magnitude, unsigned *initial_sample, float *power_sum, unsigned *doppler_index)
float *max_magnitude, unsigned long int *initial_sample, float *power_sum, unsigned *doppler_index)
{
unsigned long int initial_sample_tmp;
unsigned readval = 0;
unsigned long int readval_long = 0;
readval = d_map_base[1];
*initial_sample = readval;
initial_sample_tmp = readval;
//*initial_sample = readval;
//printf("read initial sample dmap 1 = %d\n", readval);
readval = d_map_base[2];
readval_long = d_map_base[2];
initial_sample_tmp = initial_sample_tmp + (readval_long * (2^32));
*initial_sample = initial_sample_tmp;
readval = d_map_base[6];
*max_magnitude = static_cast<float>(readval);
//printf("read max_magnitude dmap 2 = %d\n", readval);
readval = d_map_base[4];

2
src/algorithms/acquisition/libs/fpga_acquisition.h
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@@ -61,7 +61,7 @@ public:
void run_acquisition(void);
void set_phase_step(unsigned int doppler_index);
void read_acquisition_results(uint32_t *max_index, float *max_magnitude,
unsigned *initial_sample, float *power_sum, unsigned *doppler_index);
unsigned long int *initial_sample, float *power_sum, unsigned *doppler_index);
void block_samples();
void unblock_samples();

4
src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc
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@@ -1251,14 +1251,14 @@ int dll_pll_veml_tracking_fpga::general_work (int noutput_items __attribute__((u
{
d_pull_in = 0;
multicorrelator_fpga->lock_channel();
unsigned counter_value = multicorrelator_fpga->read_sample_counter();
unsigned long int counter_value = multicorrelator_fpga->read_sample_counter();
//printf("333333 counter_value = %d\n", counter_value);
//printf("333333 current_synchro_data.Acq_samplestamp_samples = %d\n", current_synchro_data.Acq_samplestamp_samples);
//printf("333333 current_synchro_data.Acq_delay_samples = %f\n", current_synchro_data.Acq_delay_samples);
//printf("333333 d_correlation_length_samples = %d\n", d_correlation_length_samples);
unsigned num_frames = ceil((counter_value - current_synchro_data.Acq_samplestamp_samples - current_synchro_data.Acq_delay_samples)/d_correlation_length_samples);
//printf("333333 num_frames = %d\n", num_frames);
unsigned absolute_samples_offset = current_synchro_data.Acq_delay_samples + current_synchro_data.Acq_samplestamp_samples + num_frames*d_correlation_length_samples;
unsigned long int absolute_samples_offset = current_synchro_data.Acq_delay_samples + current_synchro_data.Acq_samplestamp_samples + num_frames*d_correlation_length_samples;
//printf("333333 absolute_samples_offset = %d\n", absolute_samples_offset);
multicorrelator_fpga->set_initial_sample(absolute_samples_offset);
d_absolute_samples_offset = absolute_samples_offset;

40
src/algorithms/tracking/libs/fpga_multicorrelator.cc
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@@ -84,16 +84,22 @@
#define LOCAL_CODE_FPGA_ENABLE_WRITE_MEMORY 0x0C000000
#define TEST_REGISTER_TRACK_WRITEVAL 0x55AA
int fpga_multicorrelator_8sc::read_sample_counter()
unsigned long int fpga_multicorrelator_8sc::read_sample_counter()
{
return d_map_base[d_SAMPLE_COUNTER_REG_ADDR];
unsigned long int sample_counter_tmp, sample_counter_msw_tmp;
sample_counter_tmp = d_map_base[d_SAMPLE_COUNTER_REG_ADDR_LSW];
sample_counter_msw_tmp = d_map_base[d_SAMPLE_COUNTER_REG_ADDR_MSW];
sample_counter_tmp = sample_counter_tmp + (sample_counter_msw_tmp * (2^32));
//return d_map_base[d_SAMPLE_COUNTER_REG_ADDR];
return sample_counter_tmp;
}
void fpga_multicorrelator_8sc::set_initial_sample(int samples_offset)
void fpga_multicorrelator_8sc::set_initial_sample(unsigned long int samples_offset)
{
d_initial_sample_counter = samples_offset;
//printf("www writing d map base %d = d_initial_sample_counter = %d\n", d_INITIAL_COUNTER_VALUE_REG_ADDR, d_initial_sample_counter);
d_map_base[d_INITIAL_COUNTER_VALUE_REG_ADDR] = d_initial_sample_counter;
d_map_base[d_INITIAL_COUNTER_VALUE_REG_ADDR_LSW] = (d_initial_sample_counter & 0xFFFFFFFF);
d_map_base[d_INITIAL_COUNTER_VALUE_REG_ADDR_MSW] = (d_initial_sample_counter >> 32) & 0xFFFFFFFF;
}
//void fpga_multicorrelator_8sc::set_local_code_and_taps(int code_length_chips,
@@ -228,7 +234,8 @@ fpga_multicorrelator_8sc::fpga_multicorrelator_8sc(int n_correlators,
d_PHASE_STEP_RAD_REG_ADDR = 16;
d_PROG_MEMS_ADDR = 17;
d_DROP_SAMPLES_REG_ADDR = 18;
d_INITIAL_COUNTER_VALUE_REG_ADDR = 19;
d_INITIAL_COUNTER_VALUE_REG_ADDR_LSW = 19;
d_INITIAL_COUNTER_VALUE_REG_ADDR_MSW = 20;
d_START_FLAG_ADDR = 30;
// }
@@ -247,16 +254,16 @@ fpga_multicorrelator_8sc::fpga_multicorrelator_8sc(int n_correlators,
// }
// result 2's complement saturation value
if (d_multicorr_type == 0)
{
// multicorrelator with 3 correlators (16 registers only)
d_result_SAT_value = 1048576; // 21 bits 2's complement -> 2^20
}
else
{
// other types of multicorrelators (32 registers)
d_result_SAT_value = 4194304; // 23 bits 2's complement -> 2^22
}
// if (d_multicorr_type == 0)
// {
// // multicorrelator with 3 correlators (16 registers only)
// d_result_SAT_value = 1048576; // 21 bits 2's complement -> 2^20
// }
// else
// {
// // other types of multicorrelators (32 registers)
// d_result_SAT_value = 4194304; // 23 bits 2's complement -> 2^22
// }
// read only registers
d_RESULT_REG_REAL_BASE_ADDR = 1;
@@ -275,7 +282,8 @@ fpga_multicorrelator_8sc::fpga_multicorrelator_8sc(int n_correlators,
d_RESULT_REG_IMAG_BASE_ADDR = 7;
d_RESULT_REG_DATA_REAL_BASE_ADDR = 6; // no pilot tracking
d_RESULT_REG_DATA_IMAG_BASE_ADDR = 12;
d_SAMPLE_COUNTER_REG_ADDR = 13;
d_SAMPLE_COUNTER_REG_ADDR_LSW = 13;
d_SAMPLE_COUNTER_REG_ADDR_MSW = 14;
// }

12
src/algorithms/tracking/libs/fpga_multicorrelator.h
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@@ -68,8 +68,8 @@ public:
float rem_code_phase_chips, float code_phase_step_chips,
int signal_length_samples);bool free();
void set_channel(unsigned int channel);
void set_initial_sample(int samples_offset);
int read_sample_counter();
void set_initial_sample(unsigned long int samples_offset);
unsigned long int read_sample_counter();
void lock_channel(void);
void unlock_channel(void);
//void read_sample_counters(int *sample_counter, int *secondary_sample_counter, int *counter_corr_0_in, int *counter_corr_0_out); // debug
@@ -103,7 +103,7 @@ private:
unsigned d_code_phase_step_chips_num;
int d_rem_carr_phase_rad_int;
int d_phase_step_rad_int;
unsigned d_initial_sample_counter;
unsigned long int d_initial_sample_counter;
// driver
std::string d_device_name;
@@ -131,7 +131,8 @@ private:
unsigned int d_PHASE_STEP_RAD_REG_ADDR;
unsigned int d_PROG_MEMS_ADDR;
unsigned int d_DROP_SAMPLES_REG_ADDR;
unsigned int d_INITIAL_COUNTER_VALUE_REG_ADDR;
unsigned int d_INITIAL_COUNTER_VALUE_REG_ADDR_LSW;
unsigned int d_INITIAL_COUNTER_VALUE_REG_ADDR_MSW;
unsigned int d_START_FLAG_ADDR;
// read-write regs
unsigned int d_TEST_REG_ADDR;
@@ -140,7 +141,8 @@ private:
unsigned int d_RESULT_REG_IMAG_BASE_ADDR;
unsigned int d_RESULT_REG_DATA_REAL_BASE_ADDR;
unsigned int d_RESULT_REG_DATA_IMAG_BASE_ADDR;
unsigned int d_SAMPLE_COUNTER_REG_ADDR;
unsigned int d_SAMPLE_COUNTER_REG_ADDR_LSW;
unsigned int d_SAMPLE_COUNTER_REG_ADDR_MSW;
// private functions
unsigned fpga_acquisition_test_register(unsigned writeval);

3
src/tests/test_main.cc
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@@ -149,6 +149,9 @@ DECLARE_string(log_dir);
#include "unit-tests/signal-processing-blocks/tracking/gps_l2_m_dll_pll_tracking_test.cc"
#include "unit-tests/signal-processing-blocks/tracking/gps_l1_ca_dll_pll_tracking_test.cc"
#include "unit-tests/signal-processing-blocks/tracking/tracking_pull-in_test.cc"
#if ENABLE_FPGA
#include "unit-tests/signal-processing-blocks/tracking/tracking_pull-in_test_fpga.cc"
#endif
#include "unit-tests/signal-processing-blocks/telemetry_decoder/gps_l1_ca_telemetry_decoder_test.cc"
#include "unit-tests/signal-processing-blocks/observables/hybrid_observables_test.cc"
#endif

1018
src/tests/unit-tests/signal-processing-blocks/tracking/tracking_pull-in_test_fpga.cc Normal file
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