SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};
+static const uint32_t devopts_generic_range[] = {
+ SR_CONF_CONTINUOUS,
+ SR_CONF_CONN | SR_CONF_GET,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+};
+
static const struct scpi_command cmdset_agilent[] = {
{ DMM_CMD_SETUP_REMOTE, "\n", },
{ DMM_CMD_SETUP_FUNC, "CONF:%s", },
{ DMM_CMD_QUERY_FUNC, "CONF?", },
- { DMM_CMD_START_ACQ, "MEAS", },
+ { DMM_CMD_START_ACQ, "INIT", },
{ DMM_CMD_STOP_ACQ, "ABORT", },
- { DMM_CMD_QUERY_VALUE, "READ?", },
+ { DMM_CMD_QUERY_VALUE, "FETCH?", },
{ DMM_CMD_QUERY_PREC, "CONF?", },
+ { DMM_CMD_QUERY_RANGE_AUTO, "%s:RANGE:AUTO?", },
+ { DMM_CMD_QUERY_RANGE, "%s:RANGE?", },
+ { DMM_CMD_SETUP_RANGE, "CONF:%s %s", },
ALL_ZERO,
};
};
static const struct mqopt_item mqopts_agilent_34405a[] = {
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, },
- { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, },
- { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
- { SR_MQ_CAPACITANCE, 0, "CAP", "CAP ", NO_DFLT_PREC, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
- { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP ", NO_DFLT_PREC, },
- { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, FLAG_CONF_DELAY | FLAG_MEAS_DELAY, },
+ { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, FLAG_CONF_DELAY | FLAG_MEAS_DELAY, },
+ { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, FLAG_MEAS_DELAY, },
+ { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES ", NO_DFLT_PREC, FLAG_MEAS_DELAY, },
+ { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, FLAG_NO_RANGE, },
+ { SR_MQ_CAPACITANCE, 0, "CAP", "CAP ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, FLAG_NO_RANGE, },
+ { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP ", NO_DFLT_PREC, FLAG_NO_RANGE | FLAG_MEAS_DELAY, },
+ { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, FLAG_NO_RANGE | FLAG_MEAS_DELAY, },
};
static const struct mqopt_item mqopts_agilent_34401a[] = {
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, },
- { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, },
- { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES ", NO_DFLT_PREC, },
- { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
- { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, },
- { SR_MQ_TIME, 0, "PER", "PER ", NO_DFLT_PREC, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, FLAGS_NONE, },
+ { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_TIME, 0, "PER", "PER ", NO_DFLT_PREC, FLAGS_NONE, },
};
static const struct mqopt_item mqopts_gwinstek_gdm8200a[] = {
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "01", NO_DFLT_PREC, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "02", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "03", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "04", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "05", NO_DFLT_PREC, }, /* mA */
- { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "06", NO_DFLT_PREC, }, /* mA */
- { SR_MQ_RESISTANCE, 0, "RES", "07", NO_DFLT_PREC, },
- { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "16", NO_DFLT_PREC, },
- { SR_MQ_CONTINUITY, 0, "CONT", "13", -1, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "17", -4, },
- { SR_MQ_TEMPERATURE, 0, "TEMP", "09", NO_DFLT_PREC, }, /* Celsius */
- { SR_MQ_TEMPERATURE, 0, "TEMP", "15", NO_DFLT_PREC, }, /* Fahrenheit */
- { SR_MQ_FREQUENCY, 0, "FREQ", "08", NO_DFLT_PREC, },
- { SR_MQ_TIME, 0, "PER", "14", NO_DFLT_PREC, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "01", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "02", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "03", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "04", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "05", NO_DFLT_PREC, FLAGS_NONE, }, /* mA */
+ { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "06", NO_DFLT_PREC, FLAGS_NONE, }, /* mA */
+ { SR_MQ_RESISTANCE, 0, "RES", "07", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "16", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CONTINUITY, 0, "CONT", "13", -1, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "17", -4, FLAGS_NONE, },
+ { SR_MQ_TEMPERATURE, 0, "TEMP", "09", NO_DFLT_PREC, FLAGS_NONE, }, /* Celsius */
+ { SR_MQ_TEMPERATURE, 0, "TEMP", "15", NO_DFLT_PREC, FLAGS_NONE, }, /* Fahrenheit */
+ { SR_MQ_FREQUENCY, 0, "FREQ", "08", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_TIME, 0, "PER", "14", NO_DFLT_PREC, FLAGS_NONE, },
};
static const struct mqopt_item mqopts_gwinstek_gdm906x[] = {
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC", NO_DFLT_PREC, },
- { SR_MQ_RESISTANCE, 0, "RES", "RES", NO_DFLT_PREC, },
- { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES", NO_DFLT_PREC, },
- { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
- { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP", NO_DFLT_PREC, },
- { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ", NO_DFLT_PREC, },
- { SR_MQ_TIME, 0, "PER", "PER", NO_DFLT_PREC, },
- { SR_MQ_CAPACITANCE, 0, "CAP", "CAP", NO_DFLT_PREC, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_RESISTANCE, 0, "RES", "RES", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, FLAGS_NONE, },
+ { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_TIME, 0, "PER", "PER", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CAPACITANCE, 0, "CAP", "CAP", NO_DFLT_PREC, FLAGS_NONE, },
};
static const struct mqopt_item mqopts_owon_xdm2041[] = {
- { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT AC", NO_DFLT_PREC, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR AC", NO_DFLT_PREC, },
- { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR", NO_DFLT_PREC, },
- { SR_MQ_RESISTANCE, 0, "RES", "RES", NO_DFLT_PREC, },
- { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES", NO_DFLT_PREC, },
- { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
- { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
- { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP", NO_DFLT_PREC, },
- { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ", NO_DFLT_PREC, },
- { SR_MQ_CAPACITANCE, 0, "CAP", "CAP", NO_DFLT_PREC, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT AC", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR AC", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_RESISTANCE, 0, "RES", "RES", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, FLAGS_NONE, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, FLAGS_NONE, },
+ { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ", NO_DFLT_PREC, FLAGS_NONE, },
+ { SR_MQ_CAPACITANCE, 0, "CAP", "CAP", NO_DFLT_PREC, FLAGS_NONE, },
};
SR_PRIV const struct scpi_dmm_model models[] = {
"Agilent", "34405A",
1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
scpi_dmm_get_meas_agilent,
- ARRAY_AND_SIZE(devopts_generic),
- 0, 0,
+ ARRAY_AND_SIZE(devopts_generic_range),
+ 0, 200 * 1000, 2500 * 1000, 0, FALSE,
+ scpi_dmm_get_range_text, scpi_dmm_set_range_from_text, NULL,
},
{
"Agilent", "34410A",
1, 6, cmdset_hp, ARRAY_AND_SIZE(mqopts_agilent_34405a),
scpi_dmm_get_meas_agilent,
ARRAY_AND_SIZE(devopts_generic),
- 0, 0,
+ 0, 0, 0, 0, FALSE,
+ NULL, NULL, NULL,
+ },
+ {
+ "Agilent", "34460A",
+ 1, 6, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
+ scpi_dmm_get_meas_agilent,
+ ARRAY_AND_SIZE(devopts_generic_range),
+ 0, 0, 10 * 1000, 0, FALSE,
+ scpi_dmm_get_range_text, scpi_dmm_set_range_from_text, NULL,
},
{
"GW", "GDM8251A",
1, 6, cmdset_gwinstek, ARRAY_AND_SIZE(mqopts_gwinstek_gdm8200a),
scpi_dmm_get_meas_gwinstek,
ARRAY_AND_SIZE(devopts_generic),
- 1000 * 2500, 0,
+ 2500 * 1000, 0, 0, 0, FALSE,
+ NULL, NULL, NULL,
},
{
"GW", "GDM8255A",
1, 6, cmdset_gwinstek, ARRAY_AND_SIZE(mqopts_gwinstek_gdm8200a),
scpi_dmm_get_meas_gwinstek,
ARRAY_AND_SIZE(devopts_generic),
- 1000 * 2500, 0,
+ 2500 * 1000, 0, 0, 0, FALSE,
+ NULL, NULL, NULL,
},
{
"GWInstek", "GDM9060",
1, 6, cmdset_gwinstek_906x, ARRAY_AND_SIZE(mqopts_gwinstek_gdm906x),
scpi_dmm_get_meas_agilent,
ARRAY_AND_SIZE(devopts_generic),
- 0, 0,
+ 0, 0, 0, 0, FALSE,
+ NULL, NULL, NULL,
},
{
"GWInstek", "GDM9061",
1, 6, cmdset_gwinstek_906x, ARRAY_AND_SIZE(mqopts_gwinstek_gdm906x),
scpi_dmm_get_meas_agilent,
ARRAY_AND_SIZE(devopts_generic),
- 0, 0,
+ 0, 0, 0, 0, FALSE,
+ NULL, NULL, NULL,
},
{
"HP", "34401A",
scpi_dmm_get_meas_agilent,
ARRAY_AND_SIZE(devopts_generic),
/* 34401A: typ. 1020ms for AC readings (default is 1000ms). */
- 1000 * 1500, 0,
+ 1500 * 1000, 0, 0, 0, FALSE,
+ NULL, NULL, NULL,
},
{
"Keysight", "34465A",
- 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
+ 1, 6, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
scpi_dmm_get_meas_agilent,
- ARRAY_AND_SIZE(devopts_generic),
- 0, 0,
+ ARRAY_AND_SIZE(devopts_generic_range),
+ 0, 0, 10 * 1000, 0, FALSE,
+ scpi_dmm_get_range_text, scpi_dmm_set_range_from_text, NULL,
},
{
"OWON", "XDM2041",
1, 5, cmdset_owon, ARRAY_AND_SIZE(mqopts_owon_xdm2041),
scpi_dmm_get_meas_gwinstek,
ARRAY_AND_SIZE(devopts_generic),
- 0, 1e9,
+ 0, 0, 0, 1e9, TRUE,
+ NULL, NULL, NULL,
},
};
gchar *channel_name;
const char *command;
- if (!probe_opc_support(scpi))
- scpi->no_opc_command = TRUE;
-
- scpi_dmm_cmd_delay(scpi);
ret = sr_scpi_get_hw_id(scpi, &hw_info);
if (ret != SR_OK) {
sr_info("Could not get IDN response.");
return NULL;
}
+ if (model->check_opc && !probe_opc_support(scpi))
+ scpi->no_opc_command = TRUE;
+
sdi = g_malloc0(sizeof(*sdi));
sdi->vendor = g_strdup(hw_info->manufacturer);
sdi->model = g_strdup(hw_info->model);
enum sr_mqflag mqflag;
GVariant *arr[2];
int ret;
+ const char *range;
(void)cg;
arr[1] = g_variant_new_uint64(mqflag);
*data = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
return SR_OK;
+ case SR_CONF_RANGE:
+ if (!devc || !devc->model->get_range_text)
+ return SR_ERR_NA;
+ range = devc->model->get_range_text(sdi);
+ if (!range || !*range)
+ return SR_ERR_NA;
+ *data = g_variant_new_string(range);
+ return SR_OK;
default:
return SR_ERR_NA;
}
enum sr_mq mq;
enum sr_mqflag mqflag;
GVariant *tuple_child;
+ const char *range;
(void)cg;
mqflag = g_variant_get_uint64(tuple_child);
g_variant_unref(tuple_child);
return scpi_dmm_set_mq(sdi, mq, mqflag);
+ case SR_CONF_RANGE:
+ if (!devc || !devc->model->set_range_from_text)
+ return SR_ERR_NA;
+ range = g_variant_get_string(data, NULL);
+ return devc->model->set_range_from_text(sdi, range);
default:
return SR_ERR_NA;
}
}
*data = g_variant_builder_end(&gvb);
return SR_OK;
+ case SR_CONF_RANGE:
+ if (!devc || !devc->model->get_range_text_list)
+ return SR_ERR_NA;
+ *data = devc->model->get_range_text_list(sdi);
+ return SR_OK;
default:
(void)devc;
return SR_ERR_NA;
const struct mqopt_item *item;
const char *command;
char *response;
+ gboolean do_mq_meas_delay;
scpi = sdi->conn;
devc = sdi->priv;
return ret;
}
+ do_mq_meas_delay = item->drv_flags & FLAG_MEAS_DELAY;
+ if (do_mq_meas_delay && devc->model->meas_delay_us)
+ g_usleep(devc->model->meas_delay_us);
+
sr_sw_limits_acquisition_start(&devc->limits);
ret = std_session_send_df_header(sdi);
if (ret != SR_OK)