WSJT-X/WSPRBandHopping.cpp

324 lines
11 KiB
C++
Raw Normal View History

#include "WSPRBandHopping.hpp"
#include <QPointer>
#include <QSettings>
#include <QBitArray>
#include <QtWidgets>
#include "SettingsGroup.hpp"
#include "Configuration.hpp"
#include "FrequencyList.hpp"
#include "pimpl_impl.hpp"
#include "moc_WSPRBandHopping.cpp"
extern "C"
{
#ifndef CMAKE_BUILD
#define FC_hopping hopping_
#else
#include "FC.h"
void FC_hopping (int const * year, int const * month, int const * nday, float const * uth, char const * my_grid
, int const * nduration, int const * npctx, int * isun, int * iband
, int * ntxnext, int my_grid_len);
#endif
};
namespace
{
// These 10 bands are the hopping candidates and are globally coordinated
char const * const hopping_bands[] = {"160m", "80m", "60m", "40m", "30m", "20m", "17m", "15m", "12m", "10m"};
size_t constexpr num_bands {sizeof (hopping_bands) / sizeof (hopping_bands[0])};
char const * const periods[] = {"Sunrise grayline", "Day", "Sunset grayline", "Night", "Tune", "Rx only"};
size_t constexpr num_periods {sizeof (periods) / sizeof (periods[0])};
char const * const title = "WSPR Band Hopping";
}
//
// Dialog - maintenance of band hopping options
//
class Dialog
: public QDialog
{
public:
Dialog (QSettings *, QBitArray * bands, int * gray_line_duration, QWidget * parent = nullptr);
~Dialog ();
void resize_to_maximum ();
private:
void closeEvent (QCloseEvent *) override;
void save_window_state ();
QSettings * settings_;
QBitArray * bands_;
int * gray_line_duration_;
QPointer<QTableWidget> bands_table_;
QPointer<QSpinBox> gray_line_width_spin_box_;
};
Dialog::Dialog (QSettings * settings, QBitArray * bands, int * gray_line_duration, QWidget * parent)
: QDialog {parent, Qt::WindowTitleHint | Qt::WindowCloseButtonHint}
, settings_ {settings}
, bands_ {bands}
, gray_line_duration_ {gray_line_duration}
, bands_table_ {new QTableWidget {num_periods, num_bands, this}}
, gray_line_width_spin_box_ {new QSpinBox {this}}
{
QVBoxLayout * main_layout {new QVBoxLayout};
// set up and load the table of check boxes
bands_table_->setVerticalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
bands_table_->setHorizontalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
for (auto row = 0u; row < num_periods; ++row)
{
auto vertical_header = new QTableWidgetItem {periods[row]};
vertical_header->setTextAlignment (Qt::AlignRight | Qt::AlignVCenter);
bands_table_->setVerticalHeaderItem (row, vertical_header);
for (auto column = 0u; column < num_bands; ++column)
{
if (0 == row)
{
auto horizontal_header = new QTableWidgetItem {hopping_bands[column]};
bands_table_->setHorizontalHeaderItem (column, horizontal_header);
}
auto item = new QTableWidgetItem;
item->setFlags (Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);
item->setCheckState (bands_[row].testBit (column) ? Qt::Checked : Qt::Unchecked);
bands_table_->setItem (row, column, item);
}
}
bands_table_->resizeColumnsToContents ();
main_layout->addWidget (bands_table_);
// handle changes by updating the underlying flags
connect (bands_table_.data (), &QTableWidget::itemChanged, [this] (QTableWidgetItem * item) {
bands_[item->row ()].setBit (item->column (), Qt::Checked == item->checkState ());
});
// set up the gray line duration spin box
gray_line_width_spin_box_->setRange (1, 60 * 2);
gray_line_width_spin_box_->setSuffix ("min");
gray_line_width_spin_box_->setValue (*gray_line_duration_);
QFormLayout * form_layout = new QFormLayout;
form_layout->addRow (tr ("Gray time:"), gray_line_width_spin_box_);
connect (gray_line_width_spin_box_.data ()
, static_cast<void (QSpinBox::*) (int)> (&QSpinBox::valueChanged)
, [this] (int new_value) {*gray_line_duration_ = new_value;});
QHBoxLayout * bottom_layout = new QHBoxLayout;
bottom_layout->addStretch ();
bottom_layout->addLayout (form_layout);
main_layout->addLayout (bottom_layout);
setLayout (main_layout);
setWindowTitle (windowTitle () + ' ' + tr (title));
{
SettingsGroup g {settings_, title};
restoreGeometry (settings_->value ("geometry", saveGeometry ()).toByteArray ());
}
}
Dialog::~Dialog ()
{
// do this here too because ESC or parent shutdown closing this
// window doesn't queue a close event
save_window_state ();
}
void Dialog::closeEvent (QCloseEvent * e)
{
save_window_state ();
QDialog::closeEvent (e);
}
void Dialog::save_window_state ()
{
SettingsGroup g {settings_, title};
settings_->setValue ("geometry", saveGeometry ());
}
// to get the dialog window exactly the right size to contain the
// widgets without needing scroll bars we need to measure the size of
// the table widget and set its minimum size to the measured size
void Dialog::resize_to_maximum ()
{
int width {bands_table_->verticalHeader ()->width ()};
int height {bands_table_->horizontalHeader ()->height ()};
for (auto i = 0; i < bands_table_->columnCount (); ++i)
{
width += bands_table_->columnWidth (i);
}
for (auto i = 0; i < bands_table_->rowCount (); ++i)
{
height += bands_table_->rowHeight (i);
}
bands_table_->setMinimumSize ({width, height});
}
class WSPRBandHopping::impl
{
public:
impl (QSettings * settings, Configuration const * configuration, QWidget * parent_widget)
: settings_ {settings}
, configuration_ {configuration}
, tx_percent_ {0}
, parent_widget_ {parent_widget}
, bands_ {
QBitArray {num_bands},
QBitArray {num_bands},
QBitArray {num_bands},
QBitArray {num_bands},
QBitArray {num_bands},
QBitArray {num_bands},
}
{
}
QSettings * settings_;
Configuration const * configuration_;
int tx_percent_;
QWidget * parent_widget_;
// 5 x 10 bit flags representing each hopping band in each period
// and tune
QBitArray bands_[num_periods];
int gray_line_duration_;
QPointer<Dialog> dialog_;
};
WSPRBandHopping::WSPRBandHopping (QSettings * settings, Configuration const * configuration, QWidget * parent_widget)
: m_ {settings, configuration, parent_widget}
{
// load settings
SettingsGroup g {m_->settings_, title};
auto size = m_->settings_->beginReadArray ("periods");
for (auto i = 0; i < size; ++i)
{
m_->settings_->setArrayIndex (i);
m_->bands_[i] = m_->settings_->value ("bands").toBitArray ();
}
m_->settings_->endArray ();
m_->gray_line_duration_ = m_->settings_->value ("GrayLineDuration", 60).toUInt ();
}
WSPRBandHopping::~WSPRBandHopping ()
{
// save settings
SettingsGroup g {m_->settings_, title};
m_->settings_->beginWriteArray ("periods");
for (auto i = 0u; i < num_periods; ++i)
{
m_->settings_->setArrayIndex (i);
m_->settings_->setValue ("bands", m_->bands_[i]);
}
m_->settings_->endArray ();
m_->settings_->setValue ("GrayLineDuration", m_->gray_line_duration_);
}
// pop up the maintenance dialog window
void WSPRBandHopping::show_dialog (bool /* checked */)
{
if (!m_->dialog_)
{
m_->dialog_ = new Dialog {m_->settings_, m_->bands_, &m_->gray_line_duration_, m_->parent_widget_};
}
m_->dialog_->show ();
m_->dialog_->resize_to_maximum ();
m_->dialog_->adjustSize (); // fix the size
m_->dialog_->setMinimumSize (m_->dialog_->size ());
m_->dialog_->setMaximumSize (m_->dialog_->size ());
m_->dialog_->raise ();
m_->dialog_->activateWindow ();
}
int WSPRBandHopping::tx_percent () const
{
return m_->tx_percent_;
}
void WSPRBandHopping::set_tx_percent (int new_value)
{
m_->tx_percent_ = new_value;
}
// determine the parameters of the hop, if any
auto WSPRBandHopping::next_hop () -> Hop
{
auto const& now = QDateTime::currentDateTimeUtc ();
auto const& date = now.date ();
auto year = date.year ();
auto month = date.month ();
auto day = date.day ();
auto const& time = now.time ();
float uth = time.hour () + time.minute () / 60.
+ (time.second () + .001 * time.msec ()) / 3600.;
auto my_grid = m_->configuration_->my_grid ();
int period_index;
int band_index;
int tx_next;
my_grid = (my_grid + " ").left (6); // hopping doesn't like
// short grids
// look up band for this period
FC_hopping (&year, &month, &day, &uth, my_grid.toLatin1 ().constData ()
, &m_->gray_line_duration_, &m_->tx_percent_, &period_index, &band_index
, &tx_next, my_grid.size ());
if (100 == m_->tx_percent_)
{
tx_next = 1;
}
int frequencies_index {-1};
auto const& frequencies = m_->configuration_->frequencies ();
auto const& filtered_bands = frequencies->filtered_bands ();
if (m_->bands_[period_index].testBit (band_index)
&& filtered_bands.contains (hopping_bands[band_index]))
{
// here we have a band that has been enabled in the hopping
// matrix so check it it has a configured working frequency
frequencies_index = frequencies->best_working_frequency (hopping_bands[band_index]);
qDebug () << "scheduled:" << hopping_bands[band_index] << "frequency:" << frequencies->data (frequencies->index (frequencies_index, FrequencyList::frequency_column)).toString ();
}
// if we do not have a configured working frequency we next check
// for a random selection from the other enabled bands in the
// hopping matrix
if (frequencies_index < 0)
{
for (auto i = 0u; i < num_bands; ++i)
{
int new_index = static_cast<int> (qrand () % num_bands); // random choice
if (new_index != band_index && m_->bands_[period_index].testBit (new_index))
{
// here we have a random choice that is enabled in the
// hopping matrix and not the scheduled choice so we now
// check if it has a configured working frequency
frequencies_index = frequencies->best_working_frequency (hopping_bands[new_index]);
if (frequencies_index >= 0)
{
// we can use the random choice
qDebug () << "random:" << hopping_bands[new_index] << "frequency:" << frequencies->data (frequencies->index (frequencies_index, FrequencyList::frequency_column)).toString ();
band_index = new_index;
break;
}
}
}
}
return {
periods[period_index]
, frequencies_index
, frequencies_index >= 0 // new band
&& !tx_next // not going to Tx anyway
&& m_->bands_[4].testBit (band_index) // tune up required
&& !m_->bands_[5].testBit (band_index) // not an Rx only band
, frequencies_index >= 0 // new band
&& tx_next // Tx scheduled
&& !m_->bands_[5].testBit (band_index) // not an Rx only band
};
}