void MainWindow::on_actionScan_triggered()
{
int ret, i;
QString s;
struct logic_analyzer la;
statusBar()->showMessage(tr("Scanning for logic analyzers..."));
ret = flosslogic_scan_for_devices(&ctx);
if (ret < 0) {
s = tr("No supported logic analyzer found.");
statusBar()->showMessage(s);
return;
} else {
s = tr("Found supported logic analyzer: ");
s.append(flosslogic_logic_analyzers[ret].shortname);
statusBar()->showMessage(s);
}
setCurrentLA(ret);
setNumChannels(flosslogic_logic_analyzers[ret].numchannels);
ui->comboBoxLA->clear();
ui->comboBoxLA->addItem(flosslogic_logic_analyzers[ret].shortname);
ui->labelChannels->setText(s.sprintf("Channels: %d",
flosslogic_logic_analyzers[ret].numchannels));
i = 0;
la = flosslogic_logic_analyzers[getCurrentLA()];
while (la.samplerates[i].string != NULL) {
ui->comboBoxSampleRate->addItem(la.samplerates[i].string,
la.samplerates[i].samplerate);
i++;
}
/* FIXME */
ui->comboBoxNumSamples->addItem("3000000", 3000000);
ui->comboBoxNumSamples->addItem("2000000", 2000000);
ui->comboBoxNumSamples->addItem("1000000", 1000000);
ui->comboBoxNumSamples->setEditable(true);
ret = flosslogic_hw_init(getCurrentLA(), &ctx);
if (ret < 0)
statusBar()->showMessage(tr("ERROR: LA init failed."));
if (getCurrentLA() >= 0)
setupDockWidgets();
/* Enable all relevant fields now (i.e. make them non-gray). */
ui->comboBoxSampleRate->setEnabled(true);
ui->comboBoxNumSamples->setEnabled(true);
ui->labelChannels->setEnabled(true);
ui->action_Get_samples->setEnabled(true);
}
MainWindow::~MainWindow()
{
int hw;
hw = getCurrentLA();
if (hw >= 0)
flosslogic_hw_shutdown(hw, &ctx);
delete ui;
}
void MainWindow::on_action_Get_samples_triggered()
{
int ret;
uint8_t *buf;
uint64_t pos = 0;
uint64_t numSamplesLocal = ui->comboBoxNumSamples->itemData(
ui->comboBoxNumSamples->currentIndex()).toLongLong();
uint64_t chunksize = 512;
QString s;
if (getCurrentLA() < 0) {
/* TODO */
return;
}
buf = flosslogic_hw_get_samples_init(&ctx, numSamplesLocal, 1000000, 1000);
if (buf == NULL) {
/* TODO: Error handling. */
return;
}
QProgressDialog progress("Getting samples from logic analyzer...",
"Abort", 0, numSamplesLocal, this);
progress.setWindowModality(Qt::WindowModal);
progress.setMinimumDuration(500);
for (uint64_t i = 0; i < numSamplesLocal; i += chunksize) {
progress.setValue(i);
/* TODO: Properly handle an abort. */
if (progress.wasCanceled())
break;
/* Get a small chunk of samples. */
ret = flosslogic_hw_get_samples_chunk(&ctx, buf, chunksize,
pos, 1000);
pos += chunksize;
/* TODO: Error handling. */
}
progress.setValue(numSamplesLocal);
sample_buffer = buf;
for (int i = 0; i < getNumChannels(); ++i) {
channelRenderAreas[i]->setChannelNumber(i);
channelRenderAreas[i]->setNumSamples(numSamplesLocal);
channelRenderAreas[i]->setSampleStart(0);
channelRenderAreas[i]->setSampleEnd(numSamplesLocal);
channelRenderAreas[i]->update();
}
#if 0
/* FIXME */
s.sprintf("%d", (int)channelRenderAreas[0]->getSampleStart());
s.prepend(tr("Start sample: "));
ui->labelSampleStart->setText(s);
/* FIXME */
s.sprintf("%d", (int)channelRenderAreas[0]->getSampleEnd());
s.prepend(tr("End sample: "));
ui->labelSampleEnd->setText(s);
#endif
/* Enable the relevant labels/buttons. */
ui->labelSampleStart->setEnabled(true);
ui->labelSampleEnd->setEnabled(true);
ui->labelZoomFactor->setEnabled(true);
ui->action_Save_as->setEnabled(true);
flosslogic_hw_get_samples_shutdown(&ctx, 1000);
}
void MainWindow::on_actionScan_triggered()
{
QString s;
GSList *devs = NULL;
int num_devs, pos;
struct sr_dev *dev;
char *di_num_probes, *str;
struct sr_samplerates *samplerates;
const static float mult[] = { 2.f, 2.5f, 2.f };
statusBar()->showMessage(tr("Scanning for logic analyzers..."), 2000);
sr_dev_scan();
devs = sr_dev_list();
num_devs = g_slist_length(devs);
ui->comboBoxLA->clear();
for (int i = 0; i < num_devs; ++i) {
dev = (struct sr_dev *)g_slist_nth_data(devs, i);
ui->comboBoxLA->addItem(dev->driver->name); /* TODO: Full name */
}
if (num_devs == 0) {
s = tr("No supported logic analyzer found.");
statusBar()->showMessage(s, 2000);
return;
} else if (num_devs == 1) {
s = tr("Found supported logic analyzer: ");
s.append(dev->driver->name);
statusBar()->showMessage(s, 2000);
} else {
/* TODO: Allow user to select one of the devices. */
s = tr("Found multiple logic analyzers: ");
for (int i = 0; i < num_devs; ++i) {
dev = (struct sr_dev *)g_slist_nth_data(devs, i);
s.append(dev->driver->name);
if (i != num_devs - 1)
s.append(", ");
}
statusBar()->showMessage(s, 2000);
// return;
}
dev = (struct sr_dev *)g_slist_nth_data(devs, 0 /* opt_dev */);
setCurrentLA(0 /* TODO */);
di_num_probes = (char *)dev->driver->dev_info_get(
dev->driver_index, SR_DI_NUM_PROBES);
if (di_num_probes != NULL) {
setNumChannels(GPOINTER_TO_INT(di_num_probes));
} else {
setNumChannels(8); /* FIXME: Error handling. */
}
ui->comboBoxLA->clear();
ui->comboBoxLA->addItem(dev->driver->name); /* TODO: Full name */
s = QString(tr("Channels: %1")).arg(getNumChannels());
ui->labelChannels->setText(s);
samplerates = (struct sr_samplerates *)dev->driver->dev_info_get(
dev->driver_index, SR_DI_SAMPLERATES);
if (!samplerates) {
/* TODO: Error handling. */
}
/* Populate the combobox with supported samplerates. */
ui->comboBoxSampleRate->clear();
if (!samplerates) {
ui->comboBoxSampleRate->addItem("No samplerate");
ui->comboBoxSampleRate->setEnabled(false);
} else if (samplerates->list != NULL) {
for (int i = 0; samplerates->list[i]; ++i) {
str = sr_samplerate_string(samplerates->list[i]);
s = QString(str);
free(str);
ui->comboBoxSampleRate->insertItem(0, s,
QVariant::fromValue(samplerates->list[i]));
}
ui->comboBoxSampleRate->setEnabled(true);
} else {
pos = 0;
for (uint64_t r = samplerates->low; r <= samplerates->high; ) {
str = sr_samplerate_string(r);
s = QString(str);
free(str);
ui->comboBoxSampleRate->insertItem(0, s,
QVariant::fromValue(r));
r *= mult[pos++];
pos %= 3;
}
ui->comboBoxSampleRate->setEnabled(true);
}
ui->comboBoxSampleRate->setCurrentIndex(0);
/* FIXME */
ui->comboBoxNumSamples->clear();
ui->comboBoxNumSamples->addItem("100", 100); /* For testing... */
ui->comboBoxNumSamples->addItem("3000000", 3000000);
ui->comboBoxNumSamples->addItem("2000000", 2000000);
ui->comboBoxNumSamples->addItem("1000000", 1000000);
ui->comboBoxNumSamples->setEditable(true);
if (getCurrentLA() >= 0)
setupDockWidgets();
/* Enable all relevant fields now (i.e. make them non-gray). */
ui->comboBoxNumSamples->setEnabled(true);
ui->labelChannels->setEnabled(true);
ui->action_Get_samples->setEnabled(true);
}
