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Decouple the FPGA DMA signal source from the AD9361 FPGA signal source.

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This commit is contained in:
Marc Majoral
2024-07-15 19:10:00 +02:00
parent 20d664a8b7
commit ac7bdc919b
16 changed files with 917 additions and 680 deletions
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27
src/algorithms/signal_source/libs/fpga_buffer_monitor.cc
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@@ -25,6 +25,7 @@
#include "fpga_buffer_monitor.h"
#include "gnss_sdr_create_directory.h"
#include "gnss_sdr_filesystem.h"
#include "uio_fpga.h"
#include <ctime> // for time, localtime
#include <fcntl.h> // for open, O_RDWR, O_SYNC
#include <fstream> // for string, ofstream
@@ -40,7 +41,16 @@
#endif
Fpga_buffer_monitor::Fpga_buffer_monitor(const std::string &device_name,
//Fpga_buffer_monitor::Fpga_buffer_monitor(const std::string &device_name,
// uint32_t num_freq_bands,
// bool dump,
// std::string dump_filename)
// : d_dump_filename(std::move(dump_filename)),
// d_num_freq_bands(num_freq_bands),
// d_max_buff_occ_freq_band_0(0),
// d_max_buff_occ_freq_band_1(0),
// d_dump(dump)
Fpga_buffer_monitor::Fpga_buffer_monitor(
uint32_t num_freq_bands,
bool dump,
std::string dump_filename)
@@ -50,10 +60,19 @@ Fpga_buffer_monitor::Fpga_buffer_monitor(const std::string &device_name,
d_max_buff_occ_freq_band_1(0),
d_dump(dump)
{
// open device descriptor
if ((d_device_descriptor = open(device_name.c_str(), O_RDWR | O_SYNC)) == -1)
std::string device_io_name;
// find the uio device file corresponding to the buffer monitor
if (find_uio_dev_file_name(device_io_name, BUFFER_MONITOR_DEVICE_NAME, 0) < 0)
{
LOG(WARNING) << "Cannot open deviceio" << device_name;
std::cerr << "Cannot find the FPGA uio device file corresponding to device name " << BUFFER_MONITOR_DEVICE_NAME << '\n';
return;
}
// open device descriptor
if ((d_device_descriptor = open(device_io_name.c_str(), O_RDWR | O_SYNC)) == -1)
{
LOG(WARNING) << "Cannot open deviceio" << device_io_name;
}
// device memory map

8
src/algorithms/signal_source/libs/fpga_buffer_monitor.h
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@@ -45,10 +45,13 @@ public:
/*!
* \brief Constructor
*/
explicit Fpga_buffer_monitor(const std::string& device_name,
uint32_t num_freq_bands,
explicit Fpga_buffer_monitor(uint32_t num_freq_bands,
bool dump,
std::string dump_filename);
// explicit Fpga_buffer_monitor(const std::string& device_name,
// uint32_t num_freq_bands,
// bool dump,
// std::string dump_filename);
/*!
* \brief Destructor
@@ -61,6 +64,7 @@ public:
void check_buffer_overflow_and_monitor_buffer_status();
private:
const std::string BUFFER_MONITOR_DEVICE_NAME = std::string("buffer_monitor"); // buffer monitor device name
static const size_t FPGA_PAGE_SIZE = 0x1000;
static const uint32_t test_register_writeval = 0x55AA;
static const uint32_t num_sapmples_per_buffer_element = 2;

1
src/algorithms/signal_source/libs/fpga_dynamic_bit_selection.h
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@@ -56,7 +56,6 @@ public:
void bit_selection(void);
private:
const std::string switch_device_name = std::string("AXIS_Switch_v1_0_0"); // Switch UIO device name
const std::string dyn_bit_sel_device_name = std::string("dynamic_bits_selector"); // Switch dhnamic bit selector device name
static const size_t FPGA_PAGE_SIZE = 0x1000;
static const uint32_t Num_bits_ADC = 12; // Number of bits in the ADC

15
src/algorithms/signal_source/libs/fpga_switch.cc
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@@ -21,6 +21,7 @@
*/
#include "fpga_switch.h"
#include "uio_fpga.h"
#include <fcntl.h> // for open, O_RDWR, O_SYNC
#include <iostream> // for cout
#include <sys/mman.h> // for mmap
@@ -32,11 +33,19 @@
#include <absl/log/log.h>
#endif
Fpga_Switch::Fpga_Switch(const std::string &device_name)
Fpga_Switch::Fpga_Switch(void)
{
if ((d_device_descriptor = open(device_name.c_str(), O_RDWR | O_SYNC)) == -1)
std::string device_io_name; // Switch UIO device file
// find the uio device file corresponding to the switch.
if (find_uio_dev_file_name(device_io_name, SWITCH_DEVICE_NAME, 0) < 0)
{
LOG(WARNING) << "Cannot open deviceio" << device_name;
std::cerr << "Cannot find the FPGA uio device file corresponding to device name " << SWITCH_DEVICE_NAME << '\n';
return;
}
if ((d_device_descriptor = open(device_io_name.c_str(), O_RDWR | O_SYNC)) == -1)
{
LOG(WARNING) << "Cannot open deviceio" << device_io_name;
}
d_map_base = reinterpret_cast<volatile unsigned *>(mmap(nullptr, FPGA_PAGE_SIZE,
PROT_READ | PROT_WRITE, MAP_SHARED, d_device_descriptor, 0));

4
src/algorithms/signal_source/libs/fpga_switch.h
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@@ -42,8 +42,7 @@ public:
/*!
* \brief Constructor
*/
explicit Fpga_Switch(const std::string& device_name);
explicit Fpga_Switch(void);
/*!
* \brief Destructor
*/
@@ -55,6 +54,7 @@ public:
void set_switch_position(int32_t switch_position);
private:
const std::string SWITCH_DEVICE_NAME = std::string("AXIS_Switch_v1_0_0"); // Switch UIO device name
static const size_t FPGA_PAGE_SIZE = 0x1000;
static const uint32_t TEST_REGISTER_TRACK_WRITEVAL = 0x55AA;
static const uint32_t MAX_LENGTH_DEVICEIO_NAME = 50;