X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=samplingbar.cpp;h=711f6f4eae92ebc265d63c1d321f8d81f61cb391;hp=43b6e5e9eeb1b2f01101d99a1dcba399b298cecb;hb=17d94d7c698b47df918d195a99c32989c9ef7494;hpb=6fb67b27a85f19002d43b8c8498ca7d2979401b0

diff --git a/samplingbar.cpp b/samplingbar.cpp
index 43b6e5e9..711f6f4e 100644
--- a/samplingbar.cpp
+++ b/samplingbar.cpp
@@ -18,19 +18,64 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <assert.h>
+
+#include <boost/foreach.hpp>
+
 extern "C" {
 #include <libsigrok/libsigrok.h>
 }
 
+#include <QAction>
+
 #include "samplingbar.h"
 
+const uint64_t SamplingBar::RecordLengths[11] = {
+	1000000,
+	2000000,
+	5000000,
+	10000000,
+	25000000,
+	50000000,
+	100000000,
+	250000000,
+	500000000,
+	1000000000,
+	10000000000
+};
+
 SamplingBar::SamplingBar(QWidget *parent) :
 	QToolBar("Sampling Bar", parent),
-	_device_selector(this)
+	_device_selector(this),
+	_record_length_selector(this),
+	_sample_rate_list(this),
+	_run_stop_button(this)
 {
+	connect(&_run_stop_button, SIGNAL(clicked()), this, SIGNAL(run_stop()));
+	connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
+		this, SLOT(on_device_selected()));
+
+	_sample_rate_value.setDecimals(0);
+	_sample_rate_value.setSuffix("Hz");
+
+	BOOST_FOREACH(uint64_t l, RecordLengths)
+	{
+		char *const text = sr_si_string_u64(l, " samples");
+		_record_length_selector.addItem(QString(text),
+			qVariantFromValue(l));
+		g_free(text);
+	}
+
+	_run_stop_button.setText("Run");
+
 	addWidget(&_device_selector);
+	addWidget(&_record_length_selector);
+	_sample_rate_list_action = addWidget(&_sample_rate_list);
+	_sample_rate_value_action = addWidget(&_sample_rate_value);
+	addWidget(&_run_stop_button);
 
 	update_device_selector();
+	update_sample_rate_selector();
 }
 
 struct sr_dev_inst* SamplingBar::get_selected_device() const
@@ -43,6 +88,34 @@ struct sr_dev_inst* SamplingBar::get_selected_device() const
 		index).value<void*>();
 }
 
+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>();
+}
+
+uint64_t SamplingBar::get_sample_rate() const
+{
+	assert(_sample_rate_value_action);
+	assert(_sample_rate_list_action);
+
+	if(_sample_rate_value_action->isVisible())
+		return (uint64_t)_sample_rate_value.value();
+	else if(_sample_rate_list_action->isVisible())
+	{
+		const int index = _device_selector.currentIndex();
+		if(index < 0)
+			return 0;
+		
+		return _device_selector.itemData(index).value<uint64_t>();
+	}
+
+	return 0;
+}
+
 void SamplingBar::update_device_selector()
 {
 	GSList *devices = NULL;
@@ -73,3 +146,43 @@ void SamplingBar::update_device_selector()
 
 	g_slist_free(devices);
 }
+
+void SamplingBar::update_sample_rate_selector()
+{
+	const sr_dev_inst *const sdi = get_selected_device();
+	const struct sr_samplerates *samplerates;
+
+	assert(_sample_rate_value_action);
+	assert(_sample_rate_list_action);
+
+	if (sr_info_get(sdi->driver, SR_DI_SAMPLERATES,
+		(const void **)&samplerates, sdi) != SR_OK)
+		return;
+
+	_sample_rate_list_action->setVisible(false);
+	_sample_rate_value_action->setVisible(false);
+
+	if (samplerates->step)
+	{
+		_sample_rate_value.setRange(
+			samplerates->low, samplerates->high);
+		_sample_rate_value.setSingleStep(samplerates->step);
+		_sample_rate_value_action->setVisible(true);
+	}
+	else
+	{
+		_sample_rate_list.clear();
+		for (const uint64_t *rate = samplerates->list;
+		     *rate; rate++)
+			_sample_rate_list.addItem(
+				sr_samplerate_string(*rate),
+				qVariantFromValue(*rate));
+		_sample_rate_list.show();
+		_sample_rate_list_action->setVisible(true);
+	}
+}
+
+void SamplingBar::on_device_selected()
+{
+	update_sample_rate_selector();
+}