ret = sr_scpi_send(sdi->conn, command, mode);
if (ret != SR_OK)
return ret;
+ if (item->drv_flags & FLAG_CONF_DELAY)
+ g_usleep(devc->model->conf_delay_us);
return SR_OK;
}
+SR_PRIV const char *scpi_dmm_get_range_text(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ int ret;
+ const struct mqopt_item *mqitem;
+ gboolean is_auto;
+ char *response, *pos;
+ double range;
+ int digits;
+
+ devc = sdi->priv;
+
+ ret = scpi_dmm_get_mq(sdi, NULL, NULL, NULL, &mqitem);
+ if (ret != SR_OK)
+ return NULL;
+ if (!mqitem || !mqitem->scpi_func_setup)
+ return NULL;
+ if (mqitem->drv_flags & FLAG_NO_RANGE)
+ return NULL;
+
+ scpi_dmm_cmd_delay(sdi->conn);
+ ret = sr_scpi_cmd(sdi, devc->cmdset, 0, NULL,
+ DMM_CMD_QUERY_RANGE_AUTO, mqitem->scpi_func_setup);
+ if (ret != SR_OK)
+ return NULL;
+ ret = sr_scpi_get_bool(sdi->conn, NULL, &is_auto);
+ if (ret != SR_OK)
+ return NULL;
+ if (is_auto)
+ return "auto";
+
+ /*
+ * Get the response into a text buffer. The range value may be
+ * followed by a precision value separated by comma. Common text
+ * to number conversion support code may assume that the input
+ * text spans to the end of the text, need not accept trailing
+ * text which is not part of a number.
+ */
+ scpi_dmm_cmd_delay(sdi->conn);
+ ret = sr_scpi_cmd(sdi, devc->cmdset, 0, NULL,
+ DMM_CMD_QUERY_RANGE, mqitem->scpi_func_setup);
+ if (ret != SR_OK)
+ return NULL;
+ response = NULL;
+ ret = sr_scpi_get_string(sdi->conn, NULL, &response);
+ if (ret != SR_OK) {
+ g_free(response);
+ return NULL;
+ }
+ pos = strchr(response, ',');
+ if (pos)
+ *pos = '\0';
+ ret = sr_atod_ascii_digits(response, &range, &digits);
+ g_free(response);
+ if (ret != SR_OK)
+ return NULL;
+ snprintf(devc->range_text, sizeof(devc->range_text), "%lf", range);
+ return devc->range_text;
+}
+
+SR_PRIV int scpi_dmm_set_range_from_text(const struct sr_dev_inst *sdi,
+ const char *range)
+{
+ struct dev_context *devc;
+ int ret;
+ const struct mqopt_item *item;
+ gboolean is_auto;
+
+ devc = sdi->priv;
+
+ if (!range || !*range)
+ return SR_ERR_ARG;
+
+ ret = scpi_dmm_get_mq(sdi, NULL, NULL, NULL, &item);
+ if (ret != SR_OK)
+ return ret;
+ if (!item || !item->scpi_func_setup)
+ return SR_ERR_ARG;
+ if (item->drv_flags & FLAG_NO_RANGE)
+ return SR_ERR_NA;
+
+ is_auto = g_ascii_strcasecmp(range, "auto") == 0;
+ scpi_dmm_cmd_delay(sdi->conn);
+ ret = sr_scpi_cmd(sdi, devc->cmdset, 0, NULL, DMM_CMD_SETUP_RANGE,
+ item->scpi_func_setup, is_auto ? "AUTO" : range);
+ if (ret != SR_OK)
+ return ret;
+ if (item->drv_flags & FLAG_CONF_DELAY)
+ g_usleep(devc->model->conf_delay_us);
+
+ return SR_OK;
+}
+
+SR_PRIV GVariant *scpi_dmm_get_range_text_list(const struct sr_dev_inst *sdi)
+{
+ GVariantBuilder gvb;
+ GVariant *list;
+
+ (void)sdi;
+
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ /* TODO
+ * Add more items _when_ the connected device supports a fixed
+ * or known set of ranges. The Agilent protocol is flexible and
+ * tolerant, set requests accept any value, and the device will
+ * use an upper limit which is at least the specified value.
+ * The values are communicated as mere numbers without units.
+ */
+ list = g_variant_builder_end(&gvb);
+
+ return list;
+}
+
SR_PRIV int scpi_dmm_get_meas_agilent(const struct sr_dev_inst *sdi, size_t ch)
{
struct sr_scpi_dev_inst *scpi;