const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
int ret, cg_type, idx;
- unsigned int i, j;
+ unsigned int j;
char command[MAX_COMMAND_SIZE], float_str[30];
struct dev_context *devc;
const struct scope_config *model;
struct scope_state *state;
- const char *tmp;
double tmp_d;
gboolean update_sample_rate;
ret = SR_OK;
break;
case SR_CONF_TRIGGER_SOURCE:
- tmp = g_variant_get_string(data, NULL);
- for (i = 0; i < model->num_trigger_sources; i++) {
- if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0)
- continue;
- state->trigger_source = i;
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE],
- (*model->trigger_sources)[i]);
-
- ret = sr_scpi_send(sdi->conn, command);
- break;
- }
+ if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0)
+ return SR_ERR_ARG;
+ state->trigger_source = idx;
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE],
+ (*model->trigger_sources)[idx]);
+ ret = sr_scpi_send(sdi->conn, command);
break;
case SR_CONF_VDIV:
if (cg_type == CG_NONE)
break;
case SR_CONF_HORIZ_TRIGGERPOS:
tmp_d = g_variant_get_double(data);
-
if (tmp_d < 0.0 || tmp_d > 1.0)
return SR_ERR;
-
state->horiz_triggerpos = tmp_d;
tmp_d = -(tmp_d - 0.5) *
((double) (*model->timebases)[state->timebase][0] /
(*model->timebases)[state->timebase][1])
* model->num_xdivs;
-
g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d);
g_snprintf(command, sizeof(command),
(*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS],
float_str);
-
ret = sr_scpi_send(sdi->conn, command);
break;
case SR_CONF_TRIGGER_SLOPE:
- tmp = g_variant_get_string(data, NULL);
- for (i = 0; i < model->num_trigger_slopes; i++) {
- if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0)
- continue;
- state->trigger_slope = i;
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE],
- (*model->trigger_slopes)[i]);
-
- ret = sr_scpi_send(sdi->conn, command);
- break;
- }
+ if ((idx = std_str_idx(data, *model->trigger_slopes, model->num_trigger_slopes)) < 0)
+ return SR_ERR_ARG;
+ state->trigger_slope = idx;
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE],
+ (*model->trigger_slopes)[idx]);
+ ret = sr_scpi_send(sdi->conn, command);
break;
case SR_CONF_COUPLING:
if (cg_type == CG_NONE)
return SR_ERR_CHANNEL_GROUP;
-
- tmp = g_variant_get_string(data, NULL);
-
- for (i = 0; i < model->num_coupling_options; i++) {
- if (strcmp(tmp, (*model->coupling_options)[i]) != 0)
+ if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0)
+ return SR_ERR_ARG;
+ for (j = 1; j <= model->analog_channels; j++) {
+ if (cg != devc->analog_groups[j - 1])
continue;
- for (j = 1; j <= model->analog_channels; j++) {
- if (cg != devc->analog_groups[j - 1])
- continue;
- state->analog_channels[j-1].coupling = i;
-
- g_snprintf(command, sizeof(command),
- (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING],
- j, tmp);
-
- if (sr_scpi_send(sdi->conn, command) != SR_OK ||
- sr_scpi_get_opc(sdi->conn) != SR_OK)
- return SR_ERR;
- break;
- }
-
- ret = SR_OK;
+ state->analog_channels[j - 1].coupling = idx;
+ g_snprintf(command, sizeof(command),
+ (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING],
+ j, (*model->coupling_options)[idx]);
+ if (sr_scpi_send(sdi->conn, command) != SR_OK ||
+ sr_scpi_get_opc(sdi->conn) != SR_OK)
+ return SR_ERR;
break;
}
+ ret = SR_OK;
break;
default:
ret = SR_ERR_NA;