diff --git a/src/algorithms/signal_source/libs/fpga_dynamic_bit_selection.cc b/src/algorithms/signal_source/libs/fpga_dynamic_bit_selection.cc
index 3fd9b7c85..dae443d13 100644
--- a/src/algorithms/signal_source/libs/fpga_dynamic_bit_selection.cc
+++ b/src/algorithms/signal_source/libs/fpga_dynamic_bit_selection.cc
@@ -19,135 +19,135 @@
* -----------------------------------------------------------------------------
*/
- #include "fpga_dynamic_bit_selection.h"
- #include "uio_fpga.h"
- #include <fcntl.h> // for open, O_RDWR, O_SYNC
- #include <iostream> // for cout
- #include <sys/mman.h> // for mmap
- #include <unistd.h> // for close
-
- #if USE_GLOG_AND_GFLAGS
- #include <glog/logging.h>
- #else
- #include <absl/log/log.h>
- #endif
-
- Fpga_dynamic_bit_selection::Fpga_dynamic_bit_selection(bool enable_rx1_band, bool enable_rx2_band)
- : d_map_base_freq_band_1(nullptr),
- d_map_base_freq_band_2(nullptr),
- d_dev_descr_freq_band_1(0),
- d_dev_descr_freq_band_2(0),
- d_shift_out_bits_freq_band_1(0),
- d_shift_out_bits_freq_band_2(0),
- d_enable_rx1_band(enable_rx1_band),
- d_enable_rx2_band(enable_rx2_band)
- {
- if (d_enable_rx1_band)
- {
- open_device(&d_map_base_freq_band_1, d_dev_descr_freq_band_1, 0);
-
- // init bit selection corresponding to frequency band 1
- d_shift_out_bits_freq_band_1 = shift_out_bits_default;
- d_map_base_freq_band_1[0] = d_shift_out_bits_freq_band_1;
- }
- if (d_enable_rx2_band)
- {
- open_device(&d_map_base_freq_band_2, d_dev_descr_freq_band_2, 1);
-
- // init bit selection corresponding to frequency band 2
- d_shift_out_bits_freq_band_2 = shift_out_bits_default;
- d_map_base_freq_band_2[0] = d_shift_out_bits_freq_band_2;
- }
- DLOG(INFO) << "Dynamic bit selection FPGA class created";
- }
-
-
- Fpga_dynamic_bit_selection::~Fpga_dynamic_bit_selection()
- {
- if (d_enable_rx1_band)
- {
- close_device(d_map_base_freq_band_1, d_dev_descr_freq_band_1);
- }
- if (d_enable_rx2_band)
- {
- close_device(d_map_base_freq_band_2, d_dev_descr_freq_band_2);
- }
- }
-
-
- void Fpga_dynamic_bit_selection::bit_selection()
- {
- if (d_enable_rx1_band)
- {
- bit_selection_per_rf_band(d_map_base_freq_band_1, d_shift_out_bits_freq_band_1);
- }
-
- if (d_enable_rx2_band)
- {
- bit_selection_per_rf_band(d_map_base_freq_band_2, d_shift_out_bits_freq_band_2);
- }
- }
-
-
- void Fpga_dynamic_bit_selection::open_device(volatile unsigned **d_map_base, int &d_dev_descr, int freq_band)
- {
- // find the uio device file corresponding to the dynamic bit selector 0 module.
- std::string device_name;
- if (find_uio_dev_file_name(device_name, dyn_bit_sel_device_name, freq_band) < 0)
- {
- std::cerr << "Cannot find the FPGA uio device file corresponding to device name " << dyn_bit_sel_device_name << '\n';
- std::cout << "Cannot find the FPGA uio device file corresponding to device name " << dyn_bit_sel_device_name << '\n';
- return;
- }
- // dynamic bits selection corresponding to frequency band 1
- if ((d_dev_descr = open(device_name.c_str(), O_RDWR | O_SYNC)) == -1)
- {
- LOG(WARNING) << "Cannot open deviceio" << device_name;
- std::cout << "Cannot open deviceio" << device_name << std::endl;
- }
- *d_map_base = reinterpret_cast<volatile unsigned *>(mmap(nullptr, FPGA_PAGE_SIZE,
- PROT_READ | PROT_WRITE, MAP_SHARED, d_dev_descr, 0));
-
- if (*d_map_base == reinterpret_cast<void *>(-1))
- {
- LOG(WARNING) << "Cannot map the FPGA dynamic bit selection module in frequency band 1 into tracking memory";
- std::cout << "Could not map dynamic bit selection memory corresponding to frequency band 1.\n";
- }
- }
-
-
- void Fpga_dynamic_bit_selection::bit_selection_per_rf_band(volatile unsigned *d_map_base, uint32_t shift_out_bits)
- {
- // estimated signal power
- uint32_t rx_signal_power = d_map_base[1];
-
- // dynamic bit selection
- if (rx_signal_power > Power_Threshold_High)
- {
- if (shift_out_bits < shift_out_bit_max)
- {
- shift_out_bits = shift_out_bits + 1;
- }
- }
- else if (rx_signal_power < Power_Threshold_Low)
- {
- if (shift_out_bits > shift_out_bits_min)
- {
- shift_out_bits = shift_out_bits - 1;
- }
- }
-
- // update bit selection corresponding to frequency band 1
- d_map_base[0] = shift_out_bits;
- }
-
-
- void Fpga_dynamic_bit_selection::close_device(volatile unsigned *d_map_base, int &d_dev_descr)
- {
- auto *aux = const_cast<unsigned *>(d_map_base);
- if (munmap(static_cast<void *>(aux), FPGA_PAGE_SIZE) == -1)
- {
- std::cout << "Failed to unmap memory uio\n";
- }
- close(d_dev_descr);
- }
\ No newline at end of file
+#include "fpga_dynamic_bit_selection.h"
+#include "uio_fpga.h"
+#include <fcntl.h> // for open, O_RDWR, O_SYNC
+#include <iostream> // for cout
+#include <sys/mman.h> // for mmap
+#include <unistd.h> // for close
+
+#if USE_GLOG_AND_GFLAGS
+#include <glog/logging.h>
+#else
+#include <absl/log/log.h>
+#endif
+
+Fpga_dynamic_bit_selection::Fpga_dynamic_bit_selection(bool enable_rx1_band, bool enable_rx2_band)
+ : d_map_base_freq_band_1(nullptr),
+ d_map_base_freq_band_2(nullptr),
+ d_dev_descr_freq_band_1(0),
+ d_dev_descr_freq_band_2(0),
+ d_shift_out_bits_freq_band_1(0),
+ d_shift_out_bits_freq_band_2(0),
+ d_enable_rx1_band(enable_rx1_band),
+ d_enable_rx2_band(enable_rx2_band)
+{
+ if (d_enable_rx1_band)
+ {
+ open_device(&d_map_base_freq_band_1, d_dev_descr_freq_band_1, 0);
+
+ // init bit selection corresponding to frequency band 1
+ d_shift_out_bits_freq_band_1 = shift_out_bits_default;
+ d_map_base_freq_band_1[0] = d_shift_out_bits_freq_band_1;
+ }
+ if (d_enable_rx2_band)
+ {
+ open_device(&d_map_base_freq_band_2, d_dev_descr_freq_band_2, 1);
+
+ // init bit selection corresponding to frequency band 2
+ d_shift_out_bits_freq_band_2 = shift_out_bits_default;
+ d_map_base_freq_band_2[0] = d_shift_out_bits_freq_band_2;
+ }
+ DLOG(INFO) << "Dynamic bit selection FPGA class created";
+}
+
+
+Fpga_dynamic_bit_selection::~Fpga_dynamic_bit_selection()
+{
+ if (d_enable_rx1_band)
+ {
+ close_device(d_map_base_freq_band_1, d_dev_descr_freq_band_1);
+ }
+ if (d_enable_rx2_band)
+ {
+ close_device(d_map_base_freq_band_2, d_dev_descr_freq_band_2);
+ }
+}
+
+
+void Fpga_dynamic_bit_selection::bit_selection()
+{
+ if (d_enable_rx1_band)
+ {
+ bit_selection_per_rf_band(d_map_base_freq_band_1, d_shift_out_bits_freq_band_1);
+ }
+
+ if (d_enable_rx2_band)
+ {
+ bit_selection_per_rf_band(d_map_base_freq_band_2, d_shift_out_bits_freq_band_2);
+ }
+}
+
+
+void Fpga_dynamic_bit_selection::open_device(volatile unsigned **d_map_base, int &d_dev_descr, int freq_band)
+{
+ // find the uio device file corresponding to the dynamic bit selector 0 module.
+ std::string device_name;
+ if (find_uio_dev_file_name(device_name, dyn_bit_sel_device_name, freq_band) < 0)
+ {
+ std::cerr << "Cannot find the FPGA uio device file corresponding to device name " << dyn_bit_sel_device_name << '\n';
+ std::cout << "Cannot find the FPGA uio device file corresponding to device name " << dyn_bit_sel_device_name << '\n';
+ return;
+ }
+ // dynamic bits selection corresponding to frequency band 1
+ if ((d_dev_descr = open(device_name.c_str(), O_RDWR | O_SYNC)) == -1)
+ {
+ LOG(WARNING) << "Cannot open deviceio" << device_name;
+ std::cout << "Cannot open deviceio" << device_name << std::endl;
+ }
+ *d_map_base = reinterpret_cast<volatile unsigned *>(mmap(nullptr, FPGA_PAGE_SIZE,
+ PROT_READ | PROT_WRITE, MAP_SHARED, d_dev_descr, 0));
+
+ if (*d_map_base == reinterpret_cast<void *>(-1))
+ {
+ LOG(WARNING) << "Cannot map the FPGA dynamic bit selection module in frequency band 1 into tracking memory";
+ std::cout << "Could not map dynamic bit selection memory corresponding to frequency band 1.\n";
+ }
+}
+
+
+void Fpga_dynamic_bit_selection::bit_selection_per_rf_band(volatile unsigned *d_map_base, uint32_t shift_out_bits)
+{
+ // estimated signal power
+ uint32_t rx_signal_power = d_map_base[1];
+
+ // dynamic bit selection
+ if (rx_signal_power > Power_Threshold_High)
+ {
+ if (shift_out_bits < shift_out_bit_max)
+ {
+ shift_out_bits = shift_out_bits + 1;
+ }
+ }
+ else if (rx_signal_power < Power_Threshold_Low)
+ {
+ if (shift_out_bits > shift_out_bits_min)
+ {
+ shift_out_bits = shift_out_bits - 1;
+ }
+ }
+
+ // update bit selection corresponding to frequency band 1
+ d_map_base[0] = shift_out_bits;
+}
+
+
+void Fpga_dynamic_bit_selection::close_device(volatile unsigned *d_map_base, int &d_dev_descr)
+{
+ auto *aux = const_cast<unsigned *>(d_map_base);
+ if (munmap(static_cast<void *>(aux), FPGA_PAGE_SIZE) == -1)
+ {
+ std::cout << "Failed to unmap memory uio\n";
+ }
+ close(d_dev_descr);
+}
\ No newline at end of file