#include <pv/popups/deviceoptions.h>
#include <pv/popups/probes.h>
+using std::max;
+using std::min;
using std::string;
namespace pv {
namespace toolbars {
-const uint64_t SamplingBar::RecordLengths[20] = {
- 1000,
- 2500,
- 5000,
- 10000,
- 25000,
- 50000,
- 100000,
- 250000,
- 500000,
- 1000000,
- 2000000,
- 5000000,
- 10000000,
- 25000000,
- 50000000,
- 100000000,
- 250000000,
- 500000000,
- 1000000000,
- 10000000000ULL,
-};
-
-const uint64_t SamplingBar::DefaultRecordLength = 1000000;
+const uint64_t SamplingBar::MinSampleCount = 100ULL;
+const uint64_t SamplingBar::MaxSampleCount = 1000000000000ULL;
+const uint64_t SamplingBar::DefaultSampleCount = 1000000;
SamplingBar::SamplingBar(SigSession &session, QWidget *parent) :
QToolBar("Sampling Bar", parent),
_configure_button(this),
_configure_button_action(NULL),
_probes_button(this),
- _record_length_selector(this),
+ _sample_count(" samples", this),
_sample_rate("Hz", this),
_updating_sample_rate(false),
+ _updating_sample_count(false),
+ _sample_count_supported(false),
_icon_red(":/icons/status-red.svg"),
_icon_green(":/icons/status-green.svg"),
_icon_grey(":/icons/status-grey.svg"),
this, SLOT(on_run_stop()));
connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
this, SLOT(on_device_selected()));
+ connect(&_sample_count, SIGNAL(value_changed()),
+ this, SLOT(on_sample_count_changed()));
connect(&_sample_rate, SIGNAL(value_changed()),
this, SLOT(on_sample_rate_changed()));
- for (size_t i = 0; i < countof(RecordLengths); i++)
- {
- const uint64_t &l = RecordLengths[i];
- char *const text = sr_si_string_u64(l, " samples");
- _record_length_selector.addItem(QString::fromUtf8(text),
- qVariantFromValue(l));
- g_free(text);
-
- if (l == DefaultRecordLength)
- _record_length_selector.setCurrentIndex(i);
- }
+ _sample_count.show_min_max_step(0, UINT64_MAX, 1);
set_capture_state(pv::SigSession::Stopped);
addWidget(&_device_selector);
_configure_button_action = addWidget(&_configure_button);
addWidget(&_probes_button);
- addWidget(&_record_length_selector);
+ addWidget(&_sample_count);
addWidget(&_sample_rate);
addWidget(&_run_stop_button);
}
}
-uint64_t SamplingBar::get_record_length() const
-{
- const int index = _record_length_selector.currentIndex();
- if (index < 0)
- return 0;
-
- return _record_length_selector.itemData(index).value<uint64_t>();
-}
-
void SamplingBar::set_capture_state(pv::SigSession::capture_state state)
{
const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green};
{
elements = (const uint64_t *)g_variant_get_fixed_array(
gvar_list, &num_elements, sizeof(uint64_t));
- _sample_rate.show_min_max_step(elements[0], elements[1],
- elements[2]);
+
+ const uint64_t min = elements[0];
+ const uint64_t max = elements[1];
+ const uint64_t step = elements[2];
+
g_variant_unref(gvar_list);
+
+ assert(min > 0);
+ assert(max > 0);
+ assert(max > min);
+ assert(step > 0);
+
+ if (step == 1)
+ _sample_rate.show_125_list(min, max);
+ else
+ {
+ // When the step is not 1, we cam't make a 1-2-5-10
+ // list of sample rates, because we may not be able to
+ // make round numbers. Therefore in this case, show a
+ // spin box.
+ _sample_rate.show_min_max_step(min, max, step);
+ }
}
else if ((gvar_list = g_variant_lookup_value(gvar_dict,
"samplerates", G_VARIANT_TYPE("at"))))
_updating_sample_rate = false;
}
+void SamplingBar::update_sample_count_selector()
+{
+ sr_dev_inst *const sdi = get_selected_device();
+ GVariant *gvar;
+
+ assert(sdi);
+
+ _updating_sample_count = true;
+
+ if (_sample_count_supported)
+ {
+ uint64_t sample_count = DefaultSampleCount;
+ uint64_t min_sample_count = 0;
+ uint64_t max_sample_count = MaxSampleCount;
+
+ if (sr_config_list(sdi->driver, sdi, NULL,
+ SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK) {
+ g_variant_get(gvar, "(tt)",
+ &min_sample_count, &max_sample_count);
+ g_variant_unref(gvar);
+ }
+
+ min_sample_count = min(max(min_sample_count, MinSampleCount),
+ max_sample_count);
+
+ _sample_count.show_125_list(
+ min_sample_count, max_sample_count);
+
+ if (sr_config_get(sdi->driver, sdi, NULL,
+ SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK)
+ {
+ sample_count = g_variant_get_uint64(gvar);
+ if (sample_count == 0)
+ sample_count = DefaultSampleCount;
+ sample_count = min(max(sample_count, MinSampleCount),
+ max_sample_count);
+
+ g_variant_unref(gvar);
+ }
+
+ _sample_count.set_value(sample_count);
+ }
+ else
+ _sample_count.show_none();
+
+ _updating_sample_count = false;
+}
+
+void SamplingBar::commit_sample_count()
+{
+ uint64_t sample_count = 0;
+
+ sr_dev_inst *const sdi = get_selected_device();
+ assert(sdi);
+
+ sample_count = _sample_count.value();
+
+ // Set the sample count
+ if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES,
+ g_variant_new_uint64(sample_count)) != SR_OK) {
+ qDebug() << "Failed to configure sample count.";
+ return;
+ }
+}
+
void SamplingBar::commit_sample_rate()
{
uint64_t sample_rate = 0;
void SamplingBar::on_device_selected()
{
+ GVariant *gvar;
+
using namespace pv::popups;
if (_updating_device_selector)
return;
- update_sample_rate_selector();
-
sr_dev_inst *const sdi = get_selected_device();
_session.set_device(sdi);
// Update the probes popup
Probes *const probes = new Probes(_session, this);
_probes_button.set_popup(probes);
+
+ // Update supported options.
+ _sample_count_supported = false;
+
+ if (sr_config_list(sdi->driver, sdi, NULL,
+ SR_CONF_DEVICE_OPTIONS, &gvar) == SR_OK)
+ {
+ gsize num_opts;
+ const int *const options = (const int32_t *)g_variant_get_fixed_array(
+ gvar, &num_opts, sizeof(int32_t));
+ for (unsigned int i = 0; i < num_opts; i++)
+ {
+ switch (options[i]) {
+ case SR_CONF_LIMIT_SAMPLES:
+ _sample_count_supported = true;
+ break;
+ case SR_CONF_LIMIT_FRAMES:
+ sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES,
+ g_variant_new_uint64(1));
+ break;
+ }
+ }
+ }
+
+ // Update sweep timing widgets.
+ update_sample_count_selector();
+ update_sample_rate_selector();
+}
+
+void SamplingBar::on_sample_count_changed()
+{
+ if(!_updating_sample_count)
+ commit_sample_count();
}
void SamplingBar::on_sample_rate_changed()
void SamplingBar::on_run_stop()
{
+ commit_sample_count();
commit_sample_rate();
run_stop();
}
projects / pulseview.git / blobdiff