static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
int ret, cg_type;
unsigned int i, j;
char float_str[30];
struct dev_context *devc;
const struct scope_config *model;
struct scope_state *state;
const char *tmp;
uint64_t p, q;
double tmp_d;
gboolean update_sample_rate;
if (!sdi || !(devc = sdi->priv))
return SR_ERR_ARG;
if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
return SR_ERR;
model = devc->model_config;
state = devc->model_state;
update_sample_rate = FALSE;
ret = SR_ERR_NA;
switch (key) {
case SR_CONF_LIMIT_FRAMES:
devc->frame_limit = g_variant_get_uint64(data);
ret = SR_OK;
break;
case SR_CONF_TRIGGER_SOURCE:
tmp = g_variant_get_string(data, NULL);
for (i = 0; (*model->trigger_sources)[i]; i++) {
if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0)
continue;
state->trigger_source = i;
/* TODO: A and B trigger support possible? */
ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]);
break;
}
break;
case SR_CONF_VDIV:
if (cg_type == CG_NONE) {
sr_err("No channel group specified.");
return SR_ERR_CHANNEL_GROUP;
}
g_variant_get(data, "(tt)", &p, &q);
for (i = 0; i < model->num_vdivs; i++) {
if (p != (*model->vdivs)[i][0] ||
q != (*model->vdivs)[i][1])
continue;
for (j = 1; j <= model->analog_channels; ++j) {
if (cg != devc->analog_groups[j - 1])
continue;
state->analog_states[j - 1].vdiv = i;
g_ascii_formatd(float_str, sizeof(float_str),
"%E", (float) p / q);
if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK ||
sr_scpi_get_opc(sdi->conn) != SR_OK)
return SR_ERR;
break;
}
ret = SR_OK;
break;
}
break;
case SR_CONF_TIMEBASE:
g_variant_get(data, "(tt)", &p, &q);
for (i = 0; i < model->num_timebases; i++) {
if (p != (*model->timebases)[i][0] ||
q != (*model->timebases)[i][1])
continue;
state->timebase = i;
g_ascii_formatd(float_str, sizeof(float_str),
"%E", (float) p / q);
ret = dlm_timebase_set(sdi->conn, float_str);
update_sample_rate = TRUE;
break;
}
break;
case SR_CONF_HORIZ_TRIGGERPOS:
tmp_d = g_variant_get_double(data);
/* TODO: Check if the calculation makes sense for the DLM. */
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);
ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str);
break;
case SR_CONF_TRIGGER_SLOPE:
tmp = g_variant_get_string(data, NULL);
if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r'))
return SR_ERR_ARG;
/* Note: See dlm_trigger_slopes[] in protocol.c. */
state->trigger_slope = (tmp[0] == 'r') ?
SLOPE_POSITIVE : SLOPE_NEGATIVE;
ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope);
break;
case SR_CONF_COUPLING:
if (cg_type == CG_NONE) {
sr_err("No channel group specified.");
return SR_ERR_CHANNEL_GROUP;
}
tmp = g_variant_get_string(data, NULL);
for (i = 0; (*model->coupling_options)[i]; i++) {
if (strcmp(tmp, (*model->coupling_options)[i]) != 0)
continue;
for (j = 1; j <= model->analog_channels; ++j) {
if (cg != devc->analog_groups[j - 1])
continue;
state->analog_states[j-1].coupling = i;
if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK ||
sr_scpi_get_opc(sdi->conn) != SR_OK)
return SR_ERR;
break;
}
ret = SR_OK;
break;
}
break;
default:
ret = SR_ERR_NA;
break;
}
if (ret == SR_OK)
ret = sr_scpi_get_opc(sdi->conn);
if (ret == SR_OK && update_sample_rate)
ret = dlm_sample_rate_query(sdi);
return ret;
}
static int config_set(uint32_t key, GVariant *data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
int ret, cg_type, idx, j;
char float_str[30];
struct dev_context *devc;
const struct scope_config *model;
struct scope_state *state;
double tmp_d;
gboolean update_sample_rate;
if (!sdi || !(devc = sdi->priv))
return SR_ERR_ARG;
if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
return SR_ERR;
model = devc->model_config;
state = devc->model_state;
update_sample_rate = FALSE;
ret = SR_ERR_NA;
switch (key) {
case SR_CONF_LIMIT_FRAMES:
devc->frame_limit = g_variant_get_uint64(data);
ret = SR_OK;
break;
case SR_CONF_TRIGGER_SOURCE:
if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0)
return SR_ERR_ARG;
state->trigger_source = idx;
/* TODO: A and B trigger support possible? */
ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[idx]);
break;
case SR_CONF_VDIV:
if (!cg)
return SR_ERR_CHANNEL_GROUP;
if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_vdivs))) < 0)
return SR_ERR_ARG;
if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
return SR_ERR_ARG;
state->analog_states[j].vdiv = idx;
g_ascii_formatd(float_str, sizeof(float_str),
"%E", (float) dlm_vdivs[idx][0] / dlm_vdivs[idx][1]);
if (dlm_analog_chan_vdiv_set(sdi->conn, j + 1, float_str) != SR_OK ||
sr_scpi_get_opc(sdi->conn) != SR_OK)
return SR_ERR;
ret = SR_OK;
break;
case SR_CONF_TIMEBASE:
if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_timebases))) < 0)
return SR_ERR_ARG;
state->timebase = idx;
g_ascii_formatd(float_str, sizeof(float_str),
"%E", (float) dlm_timebases[idx][0] / dlm_timebases[idx][1]);
ret = dlm_timebase_set(sdi->conn, float_str);
update_sample_rate = TRUE;
break;
case SR_CONF_HORIZ_TRIGGERPOS:
tmp_d = g_variant_get_double(data);
/* TODO: Check if the calculation makes sense for the DLM. */
if (tmp_d < 0.0 || tmp_d > 1.0)
return SR_ERR;
state->horiz_triggerpos = tmp_d;
tmp_d = -(tmp_d - 0.5) *
((double) dlm_timebases[state->timebase][0] /
dlm_timebases[state->timebase][1])
* model->num_xdivs;
g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d);
ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str);
break;
case SR_CONF_TRIGGER_SLOPE:
if ((idx = std_str_idx(data, ARRAY_AND_SIZE(dlm_trigger_slopes))) < 0)
return SR_ERR_ARG;
/* Note: See dlm_trigger_slopes[] in protocol.c. */
state->trigger_slope = idx;
ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope);
break;
case SR_CONF_COUPLING:
if (!cg)
return SR_ERR_CHANNEL_GROUP;
if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0)
return SR_ERR_ARG;
if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
return SR_ERR_ARG;
state->analog_states[j].coupling = idx;
if (dlm_analog_chan_coupl_set(sdi->conn, j + 1, (*model->coupling_options)[idx]) != SR_OK ||
sr_scpi_get_opc(sdi->conn) != SR_OK)
return SR_ERR;
ret = SR_OK;
break;
default:
ret = SR_ERR_NA;
break;
}
if (ret == SR_OK)
ret = sr_scpi_get_opc(sdi->conn);
if (ret == SR_OK && update_sample_rate)
ret = dlm_sample_rate_query(sdi);
return ret;
}