static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi,
const struct scope_config *config,
struct scope_state *state)
{
unsigned int i;
char command[MAX_COMMAND_SIZE];
for (i = 0; i < config->digital_channels; ++i) {
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
i);
if (sr_scpi_get_bool(scpi, command,
&state->digital_channels[i]) != SR_OK)
return SR_ERR;
}
for (i = 0; i < config->digital_pods; ++i) {
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
i + 1);
if (sr_scpi_get_bool(scpi, command,
&state->digital_pods[i]) != SR_OK)
return SR_ERR;
}
return SR_OK;
}
static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
const struct scope_config *config,
struct scope_state *state)
{
unsigned int i, j;
float tmp_float;
char command[MAX_COMMAND_SIZE];
for (i = 0; i < config->analog_channels; ++i) {
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
i + 1);
if (sr_scpi_get_bool(scpi, command,
&state->analog_channels[i].state) != SR_OK)
return SR_ERR;
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV],
i + 1);
if (sr_scpi_get_float(scpi, command, &tmp_float) != SR_OK)
return SR_ERR;
for (j = 0; j < config->num_vdivs; j++) {
if (tmp_float == ((float) (*config->vdivs)[j][0] /
(*config->vdivs)[j][1])) {
state->analog_channels[i].vdiv = j;
break;
}
}
if (j == config->num_vdivs) {
sr_err("Could not determine array index for vertical div scale.");
return SR_ERR;
}
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
i + 1);
if (sr_scpi_get_float(scpi, command,
&state->analog_channels[i].vertical_offset) != SR_OK)
return SR_ERR;
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
i + 1);
if (scope_state_get_array_option(scpi, command, config->coupling_options,
&state->analog_channels[i].coupling) != SR_OK)
return SR_ERR;
}
return SR_OK;
}
/**
* Send a SCPI *OPC? command, read the reply and return the result of the
* command.
*
* @param scpi Previously initialised SCPI device structure.
*
* @return SR_OK on success, SR_ERR* on failure.
*/
SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi)
{
unsigned int i;
gboolean opc;
for (i = 0; i < SCPI_READ_RETRIES; ++i) {
sr_scpi_get_bool(scpi, SCPI_CMD_OPC, &opc);
if (opc)
return SR_OK;
g_usleep(SCPI_READ_RETRY_TIMEOUT_US);
}
return SR_ERR;
}
SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
char *cmd;
unsigned int i;
int res;
devc = sdi->priv;
/* Analog channel state. */
for (i = 0; i < devc->model->analog_channels; i++) {
cmd = g_strdup_printf(":CHAN%d:DISP?", i + 1);
res = sr_scpi_get_bool(sdi->conn, cmd, &devc->analog_channels[i]);
g_free(cmd);
if (res != SR_OK)
return SR_ERR;
}
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) {
if (sr_scpi_get_bool(sdi->conn,
devc->model->series->protocol >= PROTOCOL_V4 ?
":LA:STAT?" : ":LA:DISP?",
&devc->la_enabled) != SR_OK)
return SR_ERR;
sr_dbg("Logic analyzer %s, current digital channel state:",
devc->la_enabled ? "enabled" : "disabled");
for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
cmd = g_strdup_printf(
devc->model->series->protocol >= PROTOCOL_V4 ?
":LA:DIG%d:DISP?" : ":DIG%d:TURN?", i);
res = sr_scpi_get_bool(sdi->conn, cmd, &devc->digital_channels[i]);
g_free(cmd);
if (res != SR_OK)
return SR_ERR;
sr_dbg("D%d: %s", i, devc->digital_channels[i] ? "on" : "off");
}
}
/* Timebase. */
if (sr_scpi_get_float(sdi->conn, ":TIM:SCAL?", &devc->timebase) != SR_OK)
return SR_ERR;
sr_dbg("Current timebase %g", devc->timebase);
/* Vertical gain. */
for (i = 0; i < devc->model->analog_channels; i++) {
cmd = g_strdup_printf(":CHAN%d:SCAL?", 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(":CHAN%d:OFFS?", 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]);
/* Coupling. */
for (i = 0; i < devc->model->analog_channels; i++) {
cmd = g_strdup_printf(":CHAN%d:COUP?", 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. */
if (sr_scpi_get_string(sdi->conn, ":TRIG:EDGE:SOUR?", &devc->trigger_source) != SR_OK)
return SR_ERR;
sr_dbg("Current trigger source %s", devc->trigger_source);
/* Horizontal trigger position. */
if (sr_scpi_get_float(sdi->conn, ":TIM:OFFS?", &devc->horiz_triggerpos) != SR_OK)
return SR_ERR;
sr_dbg("Current horizontal trigger position %g", devc->horiz_triggerpos);
/* Trigger slope. */
if (sr_scpi_get_string(sdi->conn, ":TRIG:EDGE:SLOP?", &devc->trigger_slope) != SR_OK)
return SR_ERR;
sr_dbg("Current trigger slope %s", devc->trigger_slope);
return SR_OK;
}
static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
const struct scope_config *config,
struct scope_state *state)
{
unsigned int i, j;
char command[MAX_COMMAND_SIZE];
char *tmp_str;
for (i = 0; i < config->analog_channels; i++) {
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
i + 1);
if (sr_scpi_get_bool(scpi, command,
&state->analog_channels[i].state) != SR_OK)
return SR_ERR;
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV],
i + 1);
if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
return SR_ERR;
if (array_float_get(tmp_str, hmo_vdivs, ARRAY_SIZE(hmo_vdivs),
&j) != SR_OK) {
g_free(tmp_str);
sr_err("Could not determine array index for vertical div scale.");
return SR_ERR;
}
g_free(tmp_str);
state->analog_channels[i].vdiv = j;
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
i + 1);
if (sr_scpi_get_float(scpi, command,
&state->analog_channels[i].vertical_offset) != SR_OK)
return SR_ERR;
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
i + 1);
if (scope_state_get_array_option(scpi, command, config->coupling_options,
&state->analog_channels[i].coupling) != SR_OK)
return SR_ERR;
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT],
i + 1);
if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK)
return SR_ERR;
if (tmp_str[0] == 'A')
state->analog_channels[i].probe_unit = 'A';
else
state->analog_channels[i].probe_unit = 'V';
g_free(tmp_str);
}
return SR_OK;
}