* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <cassert>
+
+#include <libsigrok/libsigrok.h>
+
#include "connect.h"
+#include "pv/devicemanager.h"
+#include "pv/device/device.h"
+
extern "C" {
/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
#define __STDC_FORMAT_MACROS
#include <libsigrok/libsigrok.h>
}
+using std::list;
+using std::shared_ptr;
+using std::string;
+
+extern sr_context *sr_ctx;
+
namespace pv {
namespace dialogs {
-Connect::Connect(QWidget *parent) :
+Connect::Connect(QWidget *parent, pv::DeviceManager &device_manager) :
QDialog(parent),
+ _device_manager(device_manager),
_layout(this),
_form(this),
_form_layout(&_form),
_drivers(&_form),
_serial_device(&_form),
+ _scan_button(tr("Scan for Devices"), this),
+ _device_list(this),
_button_box(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
Qt::Horizontal, this)
{
unset_connection();
+ connect(&_scan_button, SIGNAL(pressed()),
+ this, SLOT(scan_pressed()));
+
setLayout(&_layout);
_layout.addWidget(&_form);
+ _layout.addWidget(&_scan_button);
+ _layout.addWidget(&_device_list);
_layout.addWidget(&_button_box);
}
+shared_ptr<device::Device> Connect::get_selected_device() const
+{
+ const QListWidgetItem *const item = _device_list.currentItem();
+ if (!item)
+ return shared_ptr<device::Device>();
+
+ const sr_dev_inst *const sdi = (sr_dev_inst*)item->data(
+ Qt::UserRole).value<void*>();
+ assert(sdi);
+
+ const auto iter = _device_map.find(sdi);
+ assert(iter != _device_map.end());
+
+ return (*iter).second;
+}
+
void Connect::populate_drivers()
{
+ gsize num_opts = 0;
+ const int32_t *hwopts;
struct sr_dev_driver **drivers = sr_driver_list();
- for (int i = 0; drivers[i]; ++i)
- _drivers.addItem(QString("%1 (%2)").arg(
- drivers[i]->longname).arg(drivers[i]->name),
- qVariantFromValue((void*)drivers[i]));
+ GVariant *gvar_opts;
+
+ for (int i = 0; drivers[i]; ++i) {
+ /**
+ * We currently only support devices that can deliver
+ * samples at a fixed samplerate i.e. oscilloscopes and
+ * logic analysers.
+ * @todo Add support for non-monotonic devices i.e. DMMs
+ * and sensors.
+ */
+ bool supported_device = false;
+ if ((sr_config_list(drivers[i], NULL, NULL,
+ SR_CONF_DEVICE_OPTIONS, &gvar_opts) == SR_OK)) {
+ hwopts = (const int32_t *)g_variant_get_fixed_array(gvar_opts,
+ &num_opts, sizeof(int32_t));
+ for (unsigned int j = 0; j < num_opts; j++)
+ if (hwopts[j] == SR_CONF_SAMPLERATE) {
+ supported_device = true;
+ break;
+ }
+ }
+
+ if (supported_device)
+ _drivers.addItem(QString("%1 (%2)").arg(
+ drivers[i]->longname).arg(drivers[i]->name),
+ qVariantFromValue((void*)drivers[i]));
+ }
+}
+
+void Connect::unset_connection()
+{
+ _device_list.clear();
+ _device_map.clear();
+ _serial_device.hide();
+ _form_layout.labelForField(&_serial_device)->hide();
+ _button_box.button(QDialogButtonBox::Ok)->setDisabled(true);
+}
+
+void Connect::set_serial_connection()
+{
+ _serial_device.show();
+ _form_layout.labelForField(&_serial_device)->show();
+}
+
+void Connect::scan_pressed()
+{
+ _device_list.clear();
+ _device_map.clear();
+
+ const int index = _drivers.currentIndex();
+ if (index == -1)
+ return;
+
+ sr_dev_driver *const driver = (sr_dev_driver*)_drivers.itemData(
+ index).value<void*>();
+
+ GSList *drvopts = NULL;
+
+ if (_serial_device.isVisible()) {
+ sr_config *const src = (sr_config*)g_try_malloc(sizeof(sr_config));
+ src->key = SR_CONF_CONN;
+ const QByteArray byteArray = _serial_device.text().toUtf8();
+ src->data = g_variant_new_string((const gchar*)byteArray.constData());
+ drvopts = g_slist_append(drvopts, src);
+ }
+
+ const list< shared_ptr<device::Device> > devices =
+ _device_manager.driver_scan(driver, drvopts);
+
+ g_slist_free_full(drvopts, (GDestroyNotify)free_drvopts);
+
+ for (shared_ptr<device::Device> dev_inst : devices)
+ {
+ assert(dev_inst);
+ const sr_dev_inst *const sdi = dev_inst->dev_inst();
+ assert(sdi);
+
+ const string title = dev_inst->format_device_title();
+ QString text = QString::fromUtf8(title.c_str());
+
+ if (sdi->channels) {
+ text += QString(" with %1 channels").arg(
+ g_slist_length(sdi->channels));
+ }
+
+ QListWidgetItem *const item = new QListWidgetItem(text,
+ &_device_list);
+ item->setData(Qt::UserRole, qVariantFromValue((void*)sdi));
+ _device_list.addItem(item);
+ _device_map[sdi] = dev_inst;
+ }
+
+ _device_list.setCurrentRow(0);
+ _button_box.button(QDialogButtonBox::Ok)->setDisabled(_device_list.count() == 0);
}
void Connect::device_selected(int index)
{
- const int *hwopts;
- const struct sr_hwcap_option *hwo;
+ gsize num_opts = 0;
+ const int32_t *hwopts;
+ GVariant *gvar_list;
sr_dev_driver *const driver = (sr_dev_driver*)_drivers.itemData(
index).value<void*>();
unset_connection();
- if ((sr_config_list(driver, SR_CONF_SCAN_OPTIONS,
- (const void **)&hwopts, NULL) == SR_OK) && hwopts) {
+ if ((sr_config_list(driver, NULL, NULL,
+ SR_CONF_SCAN_OPTIONS, &gvar_list) == SR_OK)) {
+ hwopts = (const int32_t *)g_variant_get_fixed_array(gvar_list,
+ &num_opts, sizeof(int32_t));
- for (int i = 0; hwopts[i]; i++) {
+ for (unsigned int i = 0; i < num_opts; i++) {
switch(hwopts[i]) {
case SR_CONF_SERIALCOMM:
set_serial_connection();
break;
}
+ g_variant_unref(gvar_list);
}
}
-void Connect::unset_connection()
-{
- _serial_device.hide();
- _form_layout.labelForField(&_serial_device)->hide();
-}
-
-void Connect::set_serial_connection()
+void Connect::free_drvopts(struct sr_config *src)
{
- _serial_device.show();
- _form_layout.labelForField(&_serial_device)->show();
+ g_variant_unref(src->data);
+ g_free(src);
}
-
} // namespace dialogs
} // namespace pv