diff options
Diffstat (limited to 'src/output/Dexter.cpp')
| -rw-r--r-- | src/output/Dexter.cpp | 73 |
1 files changed, 51 insertions, 22 deletions
diff --git a/src/output/Dexter.cpp b/src/output/Dexter.cpp index 59baf7e..25de030 100644 --- a/src/output/Dexter.cpp +++ b/src/output/Dexter.cpp @@ -277,7 +277,9 @@ void Dexter::handle_hw_time() m_utc_seconds_at_startup = time_now.tv_sec; m_clock_count_at_startup = pps_clks2; m_holdover_since = chrono::steady_clock::time_point::min(); + m_holdover_since_t = 0; m_clock_state = DexterClockState::Normal; + etiLog.level(debug) << "Dexter: switch clock state Startup -> Normal"; } } break; @@ -291,20 +293,31 @@ void Dexter::handle_hw_time() if (pps_loss_of_signal == 1) { m_holdover_since = chrono::steady_clock::now(); + m_holdover_since_t = chrono::system_clock::to_time_t(chrono::system_clock::now()); m_clock_state = DexterClockState::Holdover; + etiLog.level(debug) << "Dexter: switch clock state Normal -> Holdover"; } } break; case DexterClockState::Holdover: { using namespace chrono; + + long long pps_loss_of_signal = 0; + if ((r = iio_device_attr_read_longlong(m_dexter_dsp_tx, "pps_loss_of_signal", &pps_loss_of_signal)) != 0) { + etiLog.level(error) << "Failed to get dexter_dsp_tx.pps_loss_of_signal: " << get_iio_error(r); + throw std::runtime_error("Dexter: Cannot read IIO attribute"); + } + const duration<double> d = steady_clock::now() - m_holdover_since; const auto max_holdover_duration = seconds(m_conf.maxGPSHoldoverTime); - if (d > max_holdover_duration) { + if (d > max_holdover_duration or pps_loss_of_signal == 0) { m_clock_state = DexterClockState::Startup; m_utc_seconds_at_startup = 0; m_clock_count_at_startup = 0; m_holdover_since = chrono::steady_clock::time_point::min(); + m_holdover_since_t = 0; + etiLog.level(debug) << "Dexter: switch clock state Holdover -> Startup"; } } break; @@ -383,6 +396,21 @@ double Dexter::get_bandwidth(void) const return 0; } +template <typename T> +static void attr_to_stat( + Dexter::run_statistics_t& rs, iio_device *dexter_dsp_tx, + const char* attr_name, const char* stat_name) { + long long attr_value = 0; + int r = 0; + if ((r = iio_device_attr_read_longlong(dexter_dsp_tx, attr_name, &attr_value)) == 0) { + rs[stat_name] = (T)attr_value; + } + else { + rs[stat_name] = (ssize_t)-1; + etiLog.level(error) << "Failed to get dexter_dsp_tx." << attr_name << ": " << get_iio_error(r); + } +}; + SDRDevice::run_statistics_t Dexter::get_run_statistics(void) const { run_statistics_t rs; @@ -393,24 +421,25 @@ SDRDevice::run_statistics_t Dexter::get_run_statistics(void) const rs["latepackets"] = num_late; rs["frames"] = num_frames_modulated; - auto attr_to_stat = [&](const char* attr_name, const char* stat_name) { - long long attr_value = 0; - int r = 0; - if ((r = iio_device_attr_read_longlong(m_dexter_dsp_tx, attr_name, &attr_value)) == 0) { - rs[stat_name] = (size_t)attr_value; - } - else { - rs[stat_name] = (ssize_t)-1; - etiLog.level(error) << "Failed to get dexter_dsp_tx." << attr_name << ": " << get_iio_error(r); - } - }; + attr_to_stat<size_t>(rs, m_dexter_dsp_tx, "clks", "clks"); + attr_to_stat<size_t>(rs, m_dexter_dsp_tx, "stream0_fifo_not_empty_clks", "fifo_not_empty_clks"); + attr_to_stat<size_t>(rs, m_dexter_dsp_tx, "gpsdo_locked", "gpsdo_locked"); + attr_to_stat<ssize_t>(rs, m_dexter_dsp_tx, "pps_clk_error_hz", "pps_clk_error_hz"); + attr_to_stat<size_t>(rs, m_dexter_dsp_tx, "pps_cnt", "pps_cnt"); + attr_to_stat<size_t>(rs, m_dexter_dsp_tx, "pps_loss_of_signal", "pps_loss_of_signal"); + attr_to_stat<size_t>(rs, m_dexter_dsp_tx, "dsp_version", "dsp_version"); - attr_to_stat("clks", "clks"); - attr_to_stat("stream0_fifo_not_empty_clks", "fifo_not_empty_clks"); - attr_to_stat("gpsdo_locked", "gpsdo_locked"); - attr_to_stat("pps_clk_error_hz", "pps_clk_error_hz"); - attr_to_stat("pps_cnt", "pps_cnt"); - attr_to_stat("dsp_version", "dsp_version"); + rs["in_holdover_since"] = 0; + switch (m_clock_state) { + case DexterClockState::Startup: + rs["clock_state"] = "startup"; break; + case DexterClockState::Normal: + rs["clock_state"] = "normal"; break; + case DexterClockState::Holdover: + rs["clock_state"] = "holdover"; + rs["in_holdover_since"] = m_holdover_since_t; + break; + } constexpr double VMINFACT = 0.85; constexpr double VMAXFACT = 1.15; @@ -589,9 +618,11 @@ size_t Dexter::receive_frame( } -bool Dexter::is_clk_source_ok() const +bool Dexter::is_clk_source_ok() { - return true; + handle_hw_time(); + + return m_clock_state != DexterClockState::Startup; } const char* Dexter::device_name(void) const @@ -623,8 +654,6 @@ void Dexter::transmit_frame(struct FrameData&& frame) const bool require_timestamped_tx = (m_conf.enableSync and frame.ts.timestamp_valid); - handle_hw_time(); - if (not m_channel_is_up) { if (require_timestamped_tx) { if (m_clock_state == DexterClockState::Startup) { |