struct dev_context *devc;
gchar *trig_mode;
unsigned int num_channels, i, j;
+ int buffer_samples;
if (!(devc = sdi->priv))
return SR_ERR;
- sr_dbg("Starting data capture for frameset %" PRIu64 " of %" PRIu64,
- devc->num_frames + 1, devc->limit_frames);
+ if (devc->limit_frames == 0)
+ sr_dbg("Starting data capture for frameset %" PRIu64,
+ devc->num_frames + 1);
+ else
+ sr_dbg("Starting data capture for frameset %" PRIu64 " of %"
+ PRIu64, devc->num_frames + 1, devc->limit_frames);
switch (devc->model->series->protocol) {
case PROTOCOL_V1:
}
}
- devc->analog_frame_size = devc->digital_frame_size =
- num_channels == 1 ?
- devc->model->series->buffer_samples :
- num_channels == 2 ?
- devc->model->series->buffer_samples / 2 :
- devc->model->series->buffer_samples / 4;
+ buffer_samples = devc->model->series->buffer_samples;
+ if (buffer_samples == 0)
+ {
+ /* The DS4000 series does not have a fixed memory depth, it
+ * can be chosen from the menu and also varies with number
+ * of active channels. Retrieve the actual number with the
+ * ACQ:MDEP command. */
+ sr_scpi_get_int(sdi->conn, "ACQ:MDEP?", &buffer_samples);
+ devc->analog_frame_size = devc->digital_frame_size =
+ buffer_samples;
+ }
+ else
+ {
+ /* The DS1000Z series has a fixed memory depth which we
+ * need to divide correctly according to the number of
+ * active channels. */
+ devc->analog_frame_size = devc->digital_frame_size =
+ num_channels == 1 ?
+ buffer_samples :
+ num_channels == 2 ?
+ buffer_samples / 2 :
+ buffer_samples / 4;
+ }
}
if (rigol_ds_config_set(sdi, ":SING") != SR_OK)
if (devc->model->series->protocol >= PROTOCOL_V3 &&
ch->type == SR_CHANNEL_ANALOG) {
+ /* Vertical increment. */
+ if (sr_scpi_get_float(sdi->conn, ":WAV:YINC?",
+ &devc->vert_inc[ch->index]) != SR_OK)
+ return SR_ERR;
+ /* Vertical origin. */
+ if (sr_scpi_get_float(sdi->conn, ":WAV:YOR?",
+ &devc->vert_origin[ch->index]) != SR_OK)
+ return SR_ERR;
/* Vertical reference. */
if (sr_scpi_get_int(sdi->conn, ":WAV:YREF?",
&devc->vert_reference[ch->index]) != SR_OK)
return SR_ERR;
+ } else if (ch->type == SR_CHANNEL_ANALOG) {
+ devc->vert_inc[ch->index] = devc->vdiv[ch->index] / 25.6;
}
rigol_ds_set_wait_event(devc, WAIT_BLOCK);
struct sr_analog_meaning meaning;
struct sr_analog_spec spec;
struct sr_datafeed_logic logic;
- double vdiv, offset;
+ double vdiv, offset, origin;
int len, i, vref;
struct sr_channel *ch;
gsize expected_data_bytes;
/* Still reading the header. */
return TRUE;
if (len == -1) {
- sr_err("Read error, aborting capture.");
+ sr_err("Error while reading block header, aborting capture.");
packet.type = SR_DF_FRAME_END;
sr_session_send(sdi, &packet);
sr_dev_acquisition_stop(sdi);
len = sr_scpi_read_data(scpi, (char *)devc->buffer, len);
if (len == -1) {
- sr_err("Read error, aborting capture.");
+ sr_err("Error while reading block data, aborting capture.");
packet.type = SR_DF_FRAME_END;
sr_session_send(sdi, &packet);
sr_dev_acquisition_stop(sdi);
if (ch->type == SR_CHANNEL_ANALOG) {
vref = devc->vert_reference[ch->index];
- vdiv = devc->vdiv[ch->index] / 25.6;
+ vdiv = devc->vert_inc[ch->index];
+ origin = devc->vert_origin[ch->index];
offset = devc->vert_offset[ch->index];
if (devc->model->series->protocol >= PROTOCOL_V3)
for (i = 0; i < len; i++)
- devc->data[i] = ((int)devc->buffer[i] - vref) * vdiv - offset;
+ devc->data[i] = ((int)devc->buffer[i] - vref - origin) * vdiv;
else
for (i = 0; i < len; i++)
devc->data[i] = (128 - devc->buffer[i]) * vdiv - offset;
if (devc->data_source != DATA_SOURCE_LIVE)
rigol_ds_set_wait_event(devc, WAIT_BLOCK);
}
- if (!sr_scpi_read_complete(scpi)) {
+ /* End acquisition when data for all channels is acquired. */
+ if (!sr_scpi_read_complete(scpi) && !devc->channel_entry->next) {
sr_err("Read should have been completed");
packet.type = SR_DF_FRAME_END;
sr_session_send(sdi, &packet);
sr_dbg("Current trigger source %s", devc->trigger_source);
/* Horizontal trigger position. */
- if (sr_scpi_get_float(sdi->conn, ":TIM:OFFS?", &devc->horiz_triggerpos) != SR_OK)
+ if (sr_scpi_get_float(sdi->conn, devc->model->cmds[CMD_GET_HORIZ_TRIGGERPOS].str,
+ &devc->horiz_triggerpos) != SR_OK)
return SR_ERR;
sr_dbg("Current horizontal trigger position %g", devc->horiz_triggerpos);