{
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"))))
assert(sdi);
- _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++)
- {
- if (options[i] == SR_CONF_LIMIT_SAMPLES)
- {
- _sample_count_supported = true;
- break;
- }
- }
- }
-
if (_sample_count_supported)
_sample_count.show_min_max_step(0, UINT64_MAX, 1);
else
void SamplingBar::on_device_selected()
{
+ GVariant *gvar;
+
using namespace pv::popups;
if (_updating_device_selector)
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();