static int dev_open(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct sr_scpi_dev_inst *scpi;
GVariant *beeper;
if (sdi->status != SR_ST_INACTIVE)
return SR_ERR;
scpi = sdi->conn;
if (sr_scpi_open(scpi) < 0)
return SR_ERR;
sdi->status = SR_ST_ACTIVE;
devc = sdi->priv;
scpi_cmd(sdi, devc->device->commands, SCPI_CMD_REMOTE);
devc = sdi->priv;
devc->beeper_was_set = FALSE;
if (scpi_cmd_resp(sdi, devc->device->commands, &beeper,
G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) {
if (g_variant_get_boolean(beeper)) {
devc->beeper_was_set = TRUE;
scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_DISABLE);
}
g_variant_unref(beeper);
}
return SR_OK;
}
static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
struct dev_context *devc;
const GVariantType *gvtype;
unsigned int i;
int cmd, ret;
char *s;
if (!sdi)
return SR_ERR_ARG;
devc = sdi->priv;
if (cg) {
/*
* These options only apply to channel groups with a single
* channel -- they're per-channel settings for the device.
*/
/*
* Config keys are handled below depending on whether a channel
* group was provided by the frontend. However some of these
* take a CG on one PPS but not on others. Check the device's
* profile for that here, and NULL out the channel group as needed.
*/
for (i = 0; i < devc->device->num_devopts; i++) {
if (devc->device->devopts[i] == key) {
cg = NULL;
break;
}
}
}
gvtype = NULL;
cmd = -1;
switch (key) {
case SR_CONF_ENABLED:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OUTPUT_ENABLED;
break;
case SR_CONF_VOLTAGE:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
break;
case SR_CONF_VOLTAGE_TARGET:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_VOLTAGE_TARGET;
break;
case SR_CONF_OUTPUT_FREQUENCY:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_MEAS_FREQUENCY;
break;
case SR_CONF_OUTPUT_FREQUENCY_TARGET:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_FREQUENCY_TARGET;
break;
case SR_CONF_CURRENT:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_MEAS_CURRENT;
break;
case SR_CONF_CURRENT_LIMIT:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_CURRENT_LIMIT;
break;
case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED;
break;
case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE;
break;
case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD;
break;
case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED;
break;
case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE;
break;
case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD;
break;
case SR_CONF_OVER_TEMPERATURE_PROTECTION:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION;
break;
case SR_CONF_REGULATION:
gvtype = G_VARIANT_TYPE_STRING;
cmd = SCPI_CMD_GET_OUTPUT_REGULATION;
}
if (!gvtype)
return SR_ERR_NA;
if (cg)
select_channel(sdi, cg->channels->data);
ret = scpi_cmd_resp(sdi, devc->device->commands, data, gvtype, cmd);
if (cmd == SCPI_CMD_GET_OUTPUT_REGULATION) {
/*
* The Rigol DP800 series return CV/CC/UR, Philips PM2800
* return VOLT/CURR. We always return a GVariant string in
* the Rigol notation.
*/
if ((ret = sr_scpi_get_string(sdi->conn, NULL, &s)) != SR_OK)
return ret;
if (!strcmp(s, "CV") || !strcmp(s, "VOLT")) {
*data = g_variant_new_string("CV");
} else if (!strcmp(s, "CC") || !strcmp(s, "CURR")) {
*data = g_variant_new_string("CC");
} else if (!strcmp(s, "UR")) {
*data = g_variant_new_string("UR");
} else {
sr_dbg("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s);
ret = SR_ERR_DATA;
}
g_free(s);
}
return ret;
}
static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
struct dev_context *devc;
const GVariantType *gvtype;
unsigned int i;
int cmd, ret;
if (!sdi)
return SR_ERR_ARG;
devc = sdi->priv;
if (cg) {
/*
* These options only apply to channel groups with a single
* channel -- they're per-channel settings for the device.
*/
/*
* Config keys are handled below depending on whether a channel
* group was provided by the frontend. However some of these
* take a CG on one PPS but not on others. Check the device's
* profile for that here, and NULL out the channel group as needed.
*/
for (i = 0; i < devc->device->num_devopts; i++) {
if (devc->device->devopts[i] == key) {
cg = NULL;
break;
}
}
}
gvtype = NULL;
cmd = -1;
switch (key) {
case SR_CONF_OUTPUT_ENABLED:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OUTPUT_ENABLED;
break;
case SR_CONF_OUTPUT_VOLTAGE:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
break;
case SR_CONF_OUTPUT_VOLTAGE_TARGET:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_VOLTAGE_TARGET;
break;
case SR_CONF_OUTPUT_CURRENT:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_MEAS_CURRENT;
break;
case SR_CONF_OUTPUT_CURRENT_LIMIT:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_CURRENT_LIMIT;
break;
case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED;
break;
case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE;
break;
case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD;
break;
case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED;
break;
case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE;
break;
case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
gvtype = G_VARIANT_TYPE_DOUBLE;
cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD;
break;
case SR_CONF_OVER_TEMPERATURE_PROTECTION:
gvtype = G_VARIANT_TYPE_BOOLEAN;
cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION;
break;
case SR_CONF_OUTPUT_REGULATION:
gvtype = G_VARIANT_TYPE_STRING;
cmd = SCPI_CMD_GET_OUTPUT_REGULATION;
}
if (gvtype) {
if (cg)
select_channel(sdi, cg->channels->data);
ret = scpi_cmd_resp(sdi, data, gvtype, cmd);
} else
ret = SR_ERR_NA;
return ret;
}
