return SR_OK;
}
-SR_PRIV ssize_t ResourceReader::read_callback(const struct sr_resource *res,
+SR_PRIV gssize ResourceReader::read_callback(const struct sr_resource *res,
void *buf, size_t count, void *cb_data) noexcept
{
try {
{
auto analog = g_new0(struct sr_datafeed_analog, 1);
auto meaning = g_new0(struct sr_analog_meaning, 1);
+ auto encoding = g_new0(struct sr_analog_encoding, 1);
+ auto spec = g_new0(struct sr_analog_spec, 1);
analog->meaning = meaning;
for (const auto &channel : channels)
meaning->channels = g_slist_append(meaning->channels, channel->_structure);
- analog->num_samples = num_samples;
meaning->mq = static_cast<sr_mq>(mq->id());
meaning->unit = static_cast<sr_unit>(unit->id());
meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
+
+ analog->encoding = encoding;
+
+ encoding->unitsize = sizeof(float);
+ encoding->is_signed = TRUE;
+ encoding->is_float = TRUE;
+#ifdef WORDS_BIGENDIAN
+ encoding->is_bigendian = TRUE;
+#else
+ encoding->is_bigendian = FALSE;
+#endif
+ encoding->digits = 0;
+ encoding->is_digits_decimal = FALSE;
+ encoding->scale.p = 1;
+ encoding->scale.q = 1;
+ encoding->offset.p = 0;
+ encoding->offset.q = 1;
+
+ analog->spec = spec;
+
+ spec->spec_digits = 0;
+
+ analog->num_samples = num_samples;
analog->data = data_pointer;
auto packet = g_new(struct sr_datafeed_packet, 1);
packet->type = SR_DF_ANALOG;
{
GArray *opts = sr_driver_scan_options_list(_structure);
set<const ConfigKey *> result;
- for (guint i = 0; i < opts->len; i++)
- result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
- g_array_free(opts, TRUE);
+ if (opts) {
+ for (guint i = 0; i < opts->len; i++)
+ result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
+ g_array_free(opts, TRUE);
+ }
return result;
}
opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
- for (guint i = 0; i < opts->len; i++)
- result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
-
- g_array_free(opts, TRUE);
+ if (opts) {
+ for (guint i = 0; i < opts->len; i++)
+ result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
+ g_array_free(opts, TRUE);
+ }
return result;
}
return result;
}
-Trigger::Trigger(shared_ptr<Context> context, string name) :
+Trigger::Trigger(shared_ptr<Context> context, string name) :
_structure(sr_trigger_new(name.c_str())),
_context(move(context))
{
TriggerStage::~TriggerStage()
{
}
-
+
int TriggerStage::number() const
{
return _structure->stage;
return _structure->data;
}
+void Analog::get_data_as_float(float *dest)
+{
+ check(sr_analog_to_float(_structure, dest));
+}
+
unsigned int Analog::num_samples() const
{
return _structure->num_samples;
return result;
}
+unsigned int Analog::unitsize() const
+{
+ return _structure->encoding->unitsize;
+}
+
+bool Analog::is_signed() const
+{
+ return _structure->encoding->is_signed;
+}
+
+bool Analog::is_float() const
+{
+ return _structure->encoding->is_float;
+}
+
+bool Analog::is_bigendian() const
+{
+ return _structure->encoding->is_bigendian;
+}
+
+int Analog::digits() const
+{
+ return _structure->encoding->digits;
+}
+
+bool Analog::is_digits_decimal() const
+{
+ return _structure->encoding->is_digits_decimal;
+}
+
+shared_ptr<Rational> Analog::scale()
+{
+ unique_ptr<Rational> scale;
+ scale.reset(new Rational(&(_structure->encoding->scale)));
+
+ if (scale)
+ return scale->share_owned_by(shared_from_this());
+ else
+ throw Error(SR_ERR_NA);
+}
+
+shared_ptr<Rational> Analog::offset()
+{
+ unique_ptr<Rational> offset;
+ offset.reset(new Rational(&(_structure->encoding->offset)));
+
+ if (offset)
+ return offset->share_owned_by(shared_from_this());
+ else
+ throw Error(SR_ERR_NA);
+}
+
const Quantity *Analog::mq() const
{
return Quantity::get(_structure->meaning->mq);
return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
}
+Rational::Rational(const struct sr_rational *structure) :
+ _structure(structure)
+{
+}
+
+Rational::~Rational()
+{
+}
+
+shared_ptr<Rational> Rational::share_owned_by(shared_ptr<Analog> _parent)
+{
+ return static_pointer_cast<Rational>(
+ ParentOwned::share_owned_by(_parent));
+}
+
+int64_t Rational::numerator() const
+{
+ return _structure->p;
+}
+
+uint64_t Rational::denominator() const
+{
+ return _structure->q;
+}
+
+float Rational::value() const
+{
+ return (float)(_structure->p) / (float)(_structure->q);
+}
+
InputFormat::InputFormat(const struct sr_input_module *structure) :
_structure(structure)
{
{
auto gstr = g_string_new_len(static_cast<char *>(data), length);
auto ret = sr_input_send(_structure, gstr);
- g_string_free(gstr, false);
+ g_string_free(gstr, true);
check(ret);
}
check(sr_input_end(_structure));
}
+void Input::reset()
+{
+ check(sr_input_reset(_structure));
+}
+
Input::~Input()
{
sr_input_free(_structure);