#include <assert.h>
-#include <boost/foreach.hpp>
-
-#include <libsigrok/libsigrok.h>
-
#include <QAction>
#include <QDebug>
+#include <QHelpEvent>
+#include <QToolTip>
#include "samplingbar.h"
#include <pv/devicemanager.h>
+#include <pv/device/devinst.h>
#include <pv/popups/deviceoptions.h>
#include <pv/popups/probes.h>
+#include <pv/util.h>
+using std::map;
+using std::max;
+using std::min;
+using std::shared_ptr;
using std::string;
namespace pv {
namespace toolbars {
-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),
_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"),
addWidget(&_sample_rate);
addWidget(&_run_stop_button);
+
+ _sample_count.installEventFilter(this);
+ _sample_rate.installEventFilter(this);
}
void SamplingBar::set_device_list(
- const std::list<struct sr_dev_inst*> &devices)
+ const std::list< shared_ptr<pv::device::DevInst> > &devices,
+ shared_ptr<pv::device::DevInst> selected)
{
+ int selected_index = -1;
+
+ assert(selected);
+
_updating_device_selector = true;
_device_selector.clear();
+ _device_selector_map.clear();
+
+ for (shared_ptr<pv::device::DevInst> dev_inst : devices) {
+ assert(dev_inst);
+ const string title = dev_inst->format_device_title();
+ const sr_dev_inst *sdi = dev_inst->dev_inst();
+ assert(sdi);
+
+ if (selected == dev_inst)
+ selected_index = _device_selector.count();
- BOOST_FOREACH (sr_dev_inst *sdi, devices) {
- const string title = DeviceManager::format_device_title(sdi);
+ _device_selector_map[sdi] = dev_inst;
_device_selector.addItem(title.c_str(),
qVariantFromValue((void*)sdi));
}
- _updating_device_selector = false;
+ // The selected device should have been in the list
+ assert(selected_index != -1);
+ _device_selector.setCurrentIndex(selected_index);
+
+ update_device_config_widgets();
- on_device_selected();
+ _updating_device_selector = false;
}
-struct sr_dev_inst* SamplingBar::get_selected_device() const
+shared_ptr<pv::device::DevInst> SamplingBar::get_selected_device() const
{
const int index = _device_selector.currentIndex();
if (index < 0)
- return NULL;
+ return shared_ptr<pv::device::DevInst>();
- return (sr_dev_inst*)_device_selector.itemData(
- index).value<void*>();
-}
+ const sr_dev_inst *const sdi =
+ (const sr_dev_inst*)_device_selector.itemData(
+ index).value<void*>();
+ assert(sdi);
-void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi)
-{
- for (int i = 0; i < _device_selector.count(); i++)
- if (sdi == _device_selector.itemData(i).value<void*>()) {
- _device_selector.setCurrentIndex(i);
- return;
- }
+ const auto iter = _device_selector_map.find(sdi);
+ if (iter == _device_selector_map.end())
+ return shared_ptr<pv::device::DevInst>();
+
+ return shared_ptr<pv::device::DevInst>((*iter).second);
}
void SamplingBar::set_capture_state(pv::SigSession::capture_state state)
void SamplingBar::update_sample_rate_selector()
{
- const sr_dev_inst *const sdi = get_selected_device();
GVariant *gvar_dict, *gvar_list;
const uint64_t *elements = NULL;
gsize num_elements;
- if (!sdi)
+ if (_updating_sample_rate)
+ return;
+
+ const shared_ptr<device::DevInst> dev_inst = get_selected_device();
+ if (!dev_inst)
return;
+ assert(!_updating_sample_rate);
_updating_sample_rate = true;
- if (sr_config_list(sdi->driver, sdi, NULL,
- SR_CONF_SAMPLERATE, &gvar_dict) != SR_OK)
+ if (!(gvar_dict = dev_inst->list_config(NULL, SR_CONF_SAMPLERATE)))
{
_sample_rate.show_none();
_updating_sample_rate = false;
{
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"))))
void SamplingBar::update_sample_rate_selector_value()
{
- sr_dev_inst *const sdi = get_selected_device();
GVariant *gvar;
uint64_t samplerate;
- assert(sdi);
+ if (_updating_sample_rate)
+ return;
+
+ const shared_ptr<device::DevInst> dev_inst = get_selected_device();
+ if (!dev_inst)
+ return;
- if (sr_config_get(sdi->driver, sdi, NULL,
- SR_CONF_SAMPLERATE, &gvar) != SR_OK) {
- qDebug() <<
- "WARNING: Failed to get value of sample rate";
+ if (!(gvar = dev_inst->get_config(NULL, SR_CONF_SAMPLERATE))) {
+ qDebug() << "WARNING: Failed to get value of sample rate";
return;
}
samplerate = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
+ assert(!_updating_sample_rate);
_updating_sample_rate = true;
_sample_rate.set_value(samplerate);
_updating_sample_rate = false;
void SamplingBar::update_sample_count_selector()
{
- sr_dev_inst *const sdi = get_selected_device();
GVariant *gvar;
- uint64_t samplecount;
- assert(sdi);
+ if (_updating_sample_count)
+ return;
+
+ const shared_ptr<device::DevInst> dev_inst = get_selected_device();
+ if (!dev_inst)
+ return;
- if (sr_config_get(sdi->driver, sdi, NULL,
- SR_CONF_LIMIT_SAMPLES, &gvar) != SR_OK)
+ assert(!_updating_sample_count);
+ _updating_sample_count = true;
+
+ if (_sample_count_supported)
{
- _sample_count.show_none();
+ uint64_t sample_count = _sample_count.value();
+ uint64_t min_sample_count = 0;
+ uint64_t max_sample_count = MaxSampleCount;
+
+ if (sample_count == 0)
+ sample_count = DefaultSampleCount;
+
+ if ((gvar = dev_inst->list_config(NULL, SR_CONF_LIMIT_SAMPLES)))
+ {
+ 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 ((gvar = dev_inst->get_config(NULL, SR_CONF_LIMIT_SAMPLES)))
+ {
+ 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_min_max_step(0, UINT64_MAX, 1);
+ _sample_count.show_none();
+
+ _updating_sample_count = false;
+}
+
+void SamplingBar::update_device_config_widgets()
+{
+ GVariant *gvar;
+
+ using namespace pv::popups;
+
+ const shared_ptr<device::DevInst> dev_inst = get_selected_device();
+ if (!dev_inst)
+ return;
+
+ // Update the configure popup
+ DeviceOptions *const opts = new DeviceOptions(dev_inst, this);
+ _configure_button_action->setVisible(
+ !opts->binding().properties().empty());
+ _configure_button.set_popup(opts);
- samplecount = g_variant_get_uint64(gvar);
- g_variant_unref(gvar);
+ // Update the probes popup
+ Probes *const probes = new Probes(_session, this);
+ _probes_button.set_popup(probes);
- _updating_sample_count = true;
- _sample_count.set_value(samplecount);
- _updating_sample_count = false;
+ // Update supported options.
+ _sample_count_supported = false;
+
+ if ((gvar = dev_inst->list_config(NULL, SR_CONF_DEVICE_OPTIONS)))
+ {
+ 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:
+ dev_inst->set_config(NULL, SR_CONF_LIMIT_FRAMES,
+ g_variant_new_uint64(1));
+ break;
+ }
+ }
}
+
+ // Add notification of reconfigure events
+ disconnect(this, SLOT(on_config_changed()));
+ connect(dev_inst.get(), SIGNAL(config_changed()),
+ this, SLOT(on_config_changed()));
+
+ // Update sweep timing widgets.
+ update_sample_count_selector();
+ update_sample_rate_selector();
}
void SamplingBar::commit_sample_count()
{
uint64_t sample_count = 0;
- sr_dev_inst *const sdi = get_selected_device();
- assert(sdi);
+ if (_updating_sample_count)
+ return;
+
+ const shared_ptr<device::DevInst> dev_inst = get_selected_device();
+ if (!dev_inst)
+ return;
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) {
+ assert(!_updating_sample_count);
+ _updating_sample_count = true;
+ if (_sample_count_supported &&
+ !dev_inst->set_config(NULL, SR_CONF_LIMIT_SAMPLES,
+ g_variant_new_uint64(sample_count))) {
qDebug() << "Failed to configure sample count.";
return;
}
+ _updating_sample_count = false;
}
void SamplingBar::commit_sample_rate()
{
uint64_t sample_rate = 0;
- sr_dev_inst *const sdi = get_selected_device();
- assert(sdi);
+ if (_updating_sample_rate)
+ return;
+
+ const shared_ptr<device::DevInst> dev_inst = get_selected_device();
+ if (!dev_inst)
+ return;
sample_rate = _sample_rate.value();
if (sample_rate == 0)
return;
// Set the samplerate
- if (sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE,
- g_variant_new_uint64(sample_rate)) != SR_OK) {
+ assert(!_updating_sample_rate);
+ _updating_sample_rate = true;
+ if (!dev_inst->set_config(NULL, SR_CONF_SAMPLERATE,
+ g_variant_new_uint64(sample_rate))) {
qDebug() << "Failed to configure samplerate.";
return;
}
+ _updating_sample_rate = false;
}
void SamplingBar::on_device_selected()
{
- using namespace pv::popups;
-
if (_updating_device_selector)
return;
- update_sample_count_selector();
- update_sample_rate_selector();
-
- if (_sample_count.value() == 0)
- _sample_count.set_value(DefaultRecordLength);
+ const shared_ptr<device::DevInst> dev_inst = get_selected_device();
+ if (!dev_inst)
+ return;
- sr_dev_inst *const sdi = get_selected_device();
- _session.set_device(sdi);
+ _session.set_device(dev_inst);
- // Update the configure popup
- DeviceOptions *const opts = new DeviceOptions(sdi, this);
- _configure_button_action->setVisible(
- !opts->binding().properties().empty());
- _configure_button.set_popup(opts);
-
- // Update the probes popup
- Probes *const probes = new Probes(_session, this);
- _probes_button.set_popup(probes);
+ update_device_config_widgets();
}
void SamplingBar::on_sample_count_changed()
{
- if(!_updating_sample_count)
- commit_sample_count();
+ commit_sample_count();
}
void SamplingBar::on_sample_rate_changed()
{
- if (!_updating_sample_rate)
- commit_sample_rate();
+ commit_sample_rate();
}
void SamplingBar::on_run_stop()
{
+ commit_sample_count();
commit_sample_rate();
run_stop();
}
+void SamplingBar::on_config_changed()
+{
+ commit_sample_count();
+ update_sample_count_selector();
+ commit_sample_rate();
+ update_sample_rate_selector();
+}
+
+bool SamplingBar::eventFilter(QObject *watched, QEvent *event)
+{
+ if ((watched == &_sample_count || watched == &_sample_rate) &&
+ (event->type() == QEvent::ToolTip)) {
+ double sec = (double)_sample_count.value() / _sample_rate.value();
+ QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
+
+ QString str = tr("Total sampling time: %1").arg(pv::util::format_second(sec));
+ QToolTip::showText(help_event->globalPos(), str);
+
+ return true;
+ }
+
+ return false;
+}
+
} // namespace toolbars
} // namespace pv