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)
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);