+
+SR_PRIV int siglent_sds_get_dev_cfg(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_channel *ch;
+ char *cmd, *response;
+ unsigned int i;
+ int res, num_tokens;
+ gchar **tokens;
+ int len;
+ float trigger_pos;
+
+ devc = sdi->priv;
+
+ /* Analog channel state. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%i:TRA?", i + 1);
+ res = sr_scpi_get_bool(sdi->conn, cmd, &devc->analog_channels[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ ch = g_slist_nth_data(sdi->channels, i);
+ ch->enabled = devc->analog_channels[i];
+ }
+ sr_dbg("Current analog channel state:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %s", i + 1, devc->analog_channels[i] ? "On" : "Off");
+
+ /* Digital channel state. */
+ if (devc->model->has_digital) {
+ gboolean status;
+
+ sr_dbg("Check logic analyzer channel state.");
+ devc->la_enabled = FALSE;
+ cmd = g_strdup_printf("DGST?");
+ res = sr_scpi_get_bool(sdi->conn, cmd, &status);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ sr_dbg("Logic analyzer status: %s", status ? "On" : "Off");
+ if (status) {
+ devc->la_enabled = TRUE;
+ for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
+ cmd = g_strdup_printf("D%i:DGCH?", i);
+ res = sr_scpi_get_bool(sdi->conn, cmd, &devc->digital_channels[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ ch = g_slist_nth_data(sdi->channels, i + devc->model->analog_channels);
+ ch->enabled = devc->digital_channels[i];
+ sr_dbg("D%d: %s", i, devc->digital_channels[i] ? "On" : "Off");
+ }
+ } else {
+ for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
+ ch = g_slist_nth_data(sdi->channels, i + devc->model->analog_channels);
+ devc->digital_channels[i] = FALSE;
+ ch->enabled = devc->digital_channels[i];
+ sr_dbg("D%d: %s", i, devc->digital_channels[i] ? "On" : "Off");
+ }
+ }
+ }
+
+ /* Timebase. */
+ if (sr_scpi_get_float(sdi->conn, ":TDIV?", &devc->timebase) != SR_OK)
+ return SR_ERR;
+ sr_dbg("Current timebase: %g.", devc->timebase);
+
+ /* Probe attenuation. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%d:ATTN?", i + 1);
+ res = sr_scpi_get_float(sdi->conn, cmd, &devc->attenuation[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ }
+ sr_dbg("Current probe attenuation:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %g", i + 1, devc->attenuation[i]);
+
+ /* Vertical gain and offset. */
+ if (siglent_sds_get_dev_cfg_vertical(sdi) != SR_OK)
+ return SR_ERR;
+
+ /* Coupling. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%d:CPL?", i + 1);
+ res = sr_scpi_get_string(sdi->conn, cmd, &devc->coupling[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ }
+
+ sr_dbg("Current coupling:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %s", i + 1, devc->coupling[i]);
+
+ /* Trigger source. */
+ response = NULL;
+ tokens = NULL;
+ if (sr_scpi_get_string(sdi->conn, "TRSE?", &response) != SR_OK)
+ return SR_ERR;
+ tokens = g_strsplit(response, ",", 0);
+ for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
+ if (num_tokens < 4) {
+ sr_dbg("IDN response not according to spec: %80.s.", response);
+ g_strfreev(tokens);
+ g_free(response);
+ return SR_ERR_DATA;
+ }
+ g_free(response);
+ devc->trigger_source = g_strstrip(g_strdup(tokens[2]));
+ sr_dbg("Current trigger source: %s.", devc->trigger_source);
+
+ /* TODO: Horizontal trigger position. */
+ response = "";
+ trigger_pos = 0;
+ if (sr_scpi_get_string(sdi->conn, g_strdup_printf("%s:TRDL?", devc->trigger_source), &response) != SR_OK)
+ return SR_ERR;
+ len = strlen(response);
+ if (!g_ascii_strcasecmp(response + (len - 2), "us")) {
+ trigger_pos = atof(response) / SR_GHZ(1);
+ sr_dbg("Current trigger position us %s.", response);
+ } else if (!g_ascii_strcasecmp(response + (len - 2), "ns")) {
+ trigger_pos = atof(response) / SR_MHZ(1);
+ sr_dbg("Current trigger position ms %s.", response);
+ } else if (!g_ascii_strcasecmp(response + (len - 2), "ms")) {
+ trigger_pos = atof(response) / SR_KHZ(1);
+ sr_dbg("Current trigger position ns %s.", response);
+ } else if (!g_ascii_strcasecmp(response + (len - 2), "s")) {
+ trigger_pos = atof(response);
+ sr_dbg("Current trigger position s %s.", response);
+ };
+ devc->horiz_triggerpos = trigger_pos;
+
+ sr_dbg("Current horizontal trigger position %.10f", devc->horiz_triggerpos);
+
+ /* Trigger slope. */
+ cmd = g_strdup_printf("%s:TRSL?", devc->trigger_source);
+ res = sr_scpi_get_string(sdi->conn, cmd, &devc->trigger_slope);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ sr_dbg("Current trigger slope: %s.", devc->trigger_slope);
+
+ /* Trigger level. */
+ cmd = g_strdup_printf("%s:TRLV?", devc->trigger_source);
+ res = sr_scpi_get_float(sdi->conn, cmd, &devc->trigger_level);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ sr_dbg("Current trigger level: %g.", devc->trigger_level);
+ return SR_OK;
+}
+
+SR_PRIV int siglent_sds_get_dev_cfg_vertical(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ char *cmd;
+ unsigned int i;
+ int res;
+
+ devc = sdi->priv;
+
+ /* Vertical gain. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%d:VDIV?", i + 1);
+ res = sr_scpi_get_float(sdi->conn, cmd, &devc->vdiv[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ }
+ sr_dbg("Current vertical gain:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %g", i + 1, devc->vdiv[i]);
+
+ /* Vertical offset. */
+ for (i = 0; i < devc->model->analog_channels; i++) {
+ cmd = g_strdup_printf("C%d:OFST?", i + 1);
+ res = sr_scpi_get_float(sdi->conn, cmd, &devc->vert_offset[i]);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ }
+ sr_dbg("Current vertical offset:");
+ for (i = 0; i < devc->model->analog_channels; i++)
+ sr_dbg("CH%d %g", i + 1, devc->vert_offset[i]);
+
+ return SR_OK;
+}
+
+SR_PRIV int siglent_sds_get_dev_cfg_horizontal(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ char *cmd;
+ int res;
+ char *sample_points_string;
+ float samplerate_scope, fvalue;
+
+ devc = sdi->priv;
+ cmd = g_strdup_printf("SANU? C1");
+ res = sr_scpi_get_string(sdi->conn, cmd, &sample_points_string);
+ g_free(cmd);
+ samplerate_scope = 0;
+ fvalue = 0;
+ if (res != SR_OK)
+ return SR_ERR;
+
+ if (g_strstr_len(sample_points_string, -1, "Mpts") != NULL) {
+ sample_points_string[strlen(sample_points_string) -4] = '\0';
+ if (sr_atof_ascii(sample_points_string, &fvalue) != SR_OK) {
+ sr_dbg("Invalid float converted from scope response.");
+ return SR_ERR;
+ }
+ samplerate_scope = fvalue * 1000000;
+ } else if (g_strstr_len(sample_points_string, -1, "Kpts") != NULL){
+ sample_points_string[strlen(sample_points_string) -4] = '\0';
+ if (sr_atof_ascii(sample_points_string, &fvalue) != SR_OK) {
+ sr_dbg("Invalid float converted from scope response.");
+ return SR_ERR;
+ }
+ samplerate_scope = fvalue * 10000;
+ } else {
+ samplerate_scope = fvalue;
+ }
+ g_free(sample_points_string);
+ /* Get the timebase. */
+ if (sr_scpi_get_float(sdi->conn, ":TDIV?", &devc->timebase) != SR_OK)
+ return SR_ERR;
+ sr_dbg("Current timebase: %g.", devc->timebase);
+ devc->samplerate = samplerate_scope / (devc->timebase * devc->model->series->num_horizontal_divs);
+ devc->memory_depth = samplerate_scope;
+ return SR_OK;
+}