SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_DIGITS | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};
static const struct {
enum sr_mqflag mqflag;
} mqopts[] = {
{SR_MQ_VOLTAGE, SR_MQFLAG_DC},
- {SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_AUTORANGE},
- {SR_MQ_VOLTAGE, SR_MQFLAG_AC | SR_MQFLAG_RMS},
- {SR_MQ_VOLTAGE, SR_MQFLAG_AC | SR_MQFLAG_RMS | SR_MQFLAG_AUTORANGE},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_AC},
{SR_MQ_CURRENT, SR_MQFLAG_DC},
- {SR_MQ_CURRENT, SR_MQFLAG_DC | SR_MQFLAG_AUTORANGE},
- {SR_MQ_CURRENT, SR_MQFLAG_AC | SR_MQFLAG_RMS},
- {SR_MQ_CURRENT, SR_MQFLAG_AC | SR_MQFLAG_RMS | SR_MQFLAG_AUTORANGE},
+ {SR_MQ_CURRENT, SR_MQFLAG_AC},
{SR_MQ_RESISTANCE, 0},
- {SR_MQ_RESISTANCE, 0 | SR_MQFLAG_AUTORANGE},
{SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE},
- {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE | SR_MQFLAG_AUTORANGE},
+};
+
+static const struct {
+ enum sr_mq mq;
+ enum sr_mqflag mqflag;
+ int range_exp;
+ const char *range_str;
+} rangeopts[] = {
+ /* -99 is a dummy exponent for auto ranging. */
+ {SR_MQ_VOLTAGE, SR_MQFLAG_DC, -99, "Auto"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_DC, -2, "30mV"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_DC, -1, "300mV"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_DC, 0, "3V"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_DC, 1, "30V"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_DC, 2, "300V"},
+ /* -99 is a dummy exponent for auto ranging. */
+ {SR_MQ_VOLTAGE, SR_MQFLAG_AC, -99, "Auto"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_AC, -1, "300mV"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_AC, 0, "3V"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_AC, 1, "30V"},
+ {SR_MQ_VOLTAGE, SR_MQFLAG_AC, 2, "300V"},
+ /* -99 is a dummy exponent for auto ranging. */
+ {SR_MQ_CURRENT, SR_MQFLAG_DC, -99, "Auto"},
+ {SR_MQ_CURRENT, SR_MQFLAG_DC, -1, "300mV"},
+ {SR_MQ_CURRENT, SR_MQFLAG_DC, 0, "3V"},
+ /* -99 is a dummy exponent for auto ranging. */
+ {SR_MQ_CURRENT, SR_MQFLAG_AC, -99, "Auto"},
+ {SR_MQ_CURRENT, SR_MQFLAG_AC, -1, "300mV"},
+ {SR_MQ_CURRENT, SR_MQFLAG_AC, 0, "3V"},
+ /* -99 is a dummy exponent for auto ranging. */
+ {SR_MQ_RESISTANCE, 0, -99, "Auto"},
+ {SR_MQ_RESISTANCE, 0, 1, "30"},
+ {SR_MQ_RESISTANCE, 0, 2, "300"},
+ {SR_MQ_RESISTANCE, 0, 3, "3k"},
+ {SR_MQ_RESISTANCE, 0, 4, "30k"},
+ {SR_MQ_RESISTANCE, 0, 5, "300k"},
+ {SR_MQ_RESISTANCE, 0, 6, "3M"},
+ {SR_MQ_RESISTANCE, 0, 7, "30M"},
+ /* -99 is a dummy exponent for auto ranging. */
+ {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, -99, "Auto"},
+ {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, 1, "30R"},
+ {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, 2, "300R"},
+ {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, 3, "3kR"},
+ {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, 4, "30kR"},
+ {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, 5, "300kR"},
+ {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, 6, "3MR"},
+ {SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, 7, "30MR"},
+};
+
+/** Available digits as strings. */
+static const char *digits[] = {
+ "3.5", "4.5", "5.5",
+};
+
+/** Mapping between devc->spec_digits and digits string. */
+static const char *digits_map[] = {
+ "", "", "", "", "3.5", "4.5", "5.5",
};
static struct sr_dev_driver hp_3478a_driver_info;
struct dev_context *devc;
int ret;
GVariant *arr[2];
+ unsigned int i;
+ const char *range_str;
(void)cg;
arr[1] = g_variant_new_uint64(devc->measurement_mq_flags);
*data = g_variant_new_tuple(arr, 2);
break;
+ case SR_CONF_RANGE:
+ ret = hp_3478a_get_status_bytes(sdi);
+ if (ret != SR_OK)
+ return ret;
+ range_str = "Auto";
+ for (i = 0; i < ARRAY_SIZE(rangeopts); i++) {
+ if (rangeopts[i].mq == devc->measurement_mq &&
+ rangeopts[i].mqflag == devc->measurement_mq_flags &&
+ rangeopts[i].range_exp == devc->range_exp) {
+ range_str = rangeopts[i].range_str;
+ break;
+ }
+ }
+ *data = g_variant_new_string(range_str);
+ break;
+ case SR_CONF_DIGITS:
+ ret = hp_3478a_get_status_bytes(sdi);
+ if (ret != SR_OK)
+ return ret;
+ *data = g_variant_new_string(digits_map[devc->spec_digits]);
+ break;
default:
return SR_ERR_NA;
}
enum sr_mq mq;
enum sr_mqflag mq_flags;
GVariant *tuple_child;
+ unsigned int i;
+ const char *range_str;
+ const char *digits_str;
(void)cg;
case SR_CONF_MEASURED_QUANTITY:
tuple_child = g_variant_get_child_value(data, 0);
mq = g_variant_get_uint32(tuple_child);
+ g_variant_unref(tuple_child);
tuple_child = g_variant_get_child_value(data, 1);
mq_flags = g_variant_get_uint64(tuple_child);
g_variant_unref(tuple_child);
return hp_3478a_set_mq(sdi, mq, mq_flags);
+ case SR_CONF_RANGE:
+ range_str = g_variant_get_string(data, NULL);
+ for (i = 0; i < ARRAY_SIZE(rangeopts); i++) {
+ if (rangeopts[i].mq == devc->measurement_mq &&
+ rangeopts[i].mqflag == devc->measurement_mq_flags &&
+ g_strcmp0(rangeopts[i].range_str, range_str) == 0) {
+ return hp_3478a_set_range(sdi, rangeopts[i].range_exp);
+ }
+ }
+ return SR_ERR_NA;
+ case SR_CONF_DIGITS:
+ digits_str = g_variant_get_string(data, NULL);
+ for (i = 0; i < ARRAY_SIZE(rangeopts); i++) {
+ if (g_strcmp0(digits_map[i], digits_str) == 0)
+ return hp_3478a_set_digits(sdi, i);
+ }
+ return SR_ERR_NA;
default:
return SR_ERR_NA;
}
static int config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
+ struct dev_context *devc;
+ int ret;
unsigned int i;
GVariant *gvar, *arr[2];
GVariantBuilder gvb;
+ devc = sdi->priv;
+
switch (key) {
case SR_CONF_SCAN_OPTIONS:
case SR_CONF_DEVICE_OPTIONS:
}
*data = g_variant_builder_end(&gvb);
break;
+ case SR_CONF_RANGE:
+ ret = hp_3478a_get_status_bytes(sdi);
+ if (ret != SR_OK)
+ return ret;
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ for (i = 0; i < ARRAY_SIZE(rangeopts); i++) {
+ if (rangeopts[i].mq == devc->measurement_mq &&
+ rangeopts[i].mqflag == devc->measurement_mq_flags) {
+ g_variant_builder_add(&gvb, "s", rangeopts[i].range_str);
+ }
+ }
+ *data = g_variant_builder_end(&gvb);
+ break;
+ case SR_CONF_DIGITS:
+ *data = g_variant_new_strv(ARRAY_AND_SIZE(digits));
+ break;
default:
return SR_ERR_NA;
}
* NOTE: For faster readings, there are some things one can do:
* - Turn off the display: sr_scpi_send(scpi, "D3SIGROK").
* - Set the line frequency to 60Hz via switch (back of the unit).
- * - Set to 3.5 digits measurement (add config key SR_CONF_DIGITS).
+ * - Set to 3.5 digits measurement.
*/
/* Set to internal trigger. */