is_valid, timeout_ms, baudrate);
}
-struct std_opt_desc {
- const uint32_t *scanopts;
- const int num_scanopts;
- const uint32_t *devopts;
- const int num_devopts;
-};
-
-static int std_config_list(uint32_t key, GVariant **data,
- const struct std_opt_desc *d)
-{
- switch (key) {
- case SR_CONF_SCAN_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- d->scanopts, d->num_scanopts, sizeof(uint32_t));
- break;
- case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- d->devopts, d->num_devopts, sizeof(uint32_t));
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
static int send_config_update(struct sr_dev_inst *sdi, struct sr_config *cfg)
{
struct sr_datafeed_packet packet;
return 0;
}
-static float parse_value(const uint8_t *buf)
+static float parse_value(const uint8_t *buf, int *digits)
{
- static const float decimals[] = {
- 1, 1e-1, 1e-2, 1e-3, 1e-4, 1e-5, 1e-6, 1e-7
- };
+ static const int exponents[] = {0, -1, -2, -3, -4, -5, -6, -7};
+ int exponent;
int16_t val;
+ exponent = exponents[buf[3] & 7];
+ *digits = -exponent;
val = (buf[1] << 8) | buf[2];
- return (float)val * decimals[buf[3] & 7];
+ return (float)val * powf(10, exponent);
}
static void parse_measurement(const uint8_t *pkt, float *floatval,
{
static const struct {
int unit;
- float mult;
+ int exponent;
} units[] = {
- { SR_UNIT_UNITLESS, 1 }, /* no unit */
- { SR_UNIT_OHM, 1 }, /* Ohm */
- { SR_UNIT_OHM, 1e3 }, /* kOhm */
- { SR_UNIT_OHM, 1e6 }, /* MOhm */
- { -1, 0 }, /* ??? */
- { SR_UNIT_HENRY, 1e-6 }, /* uH */
- { SR_UNIT_HENRY, 1e-3 }, /* mH */
- { SR_UNIT_HENRY, 1 }, /* H */
- { SR_UNIT_HENRY, 1e3 }, /* kH */
- { SR_UNIT_FARAD, 1e-12 }, /* pF */
- { SR_UNIT_FARAD, 1e-9 }, /* nF */
- { SR_UNIT_FARAD, 1e-6 }, /* uF */
- { SR_UNIT_FARAD, 1e-3 }, /* mF */
- { SR_UNIT_PERCENTAGE, 1 }, /* % */
- { SR_UNIT_DEGREE, 1 } /* degree */
+ { SR_UNIT_UNITLESS, 0 }, /* no unit */
+ { SR_UNIT_OHM, 0 }, /* Ohm */
+ { SR_UNIT_OHM, 3 }, /* kOhm */
+ { SR_UNIT_OHM, 6 }, /* MOhm */
+ { -1, 0 }, /* ??? */
+ { SR_UNIT_HENRY, -6 }, /* uH */
+ { SR_UNIT_HENRY, -3 }, /* mH */
+ { SR_UNIT_HENRY, 0 }, /* H */
+ { SR_UNIT_HENRY, 3 }, /* kH */
+ { SR_UNIT_FARAD, -12 }, /* pF */
+ { SR_UNIT_FARAD, -9 }, /* nF */
+ { SR_UNIT_FARAD, -6 }, /* uF */
+ { SR_UNIT_FARAD, -3 }, /* mF */
+ { SR_UNIT_PERCENTAGE, 0 }, /* % */
+ { SR_UNIT_DEGREE, 0 }, /* degree */
};
const uint8_t *buf;
+ int digits, exponent;
int state;
buf = pkt_to_buf(pkt, is_secondary);
analog->meaning->mqflags |= SR_MQFLAG_RELATIVE;
}
- if ((analog->meaning->mq = parse_mq(pkt, is_secondary, pkt[2] & 0x80)) < 0)
+ if ((analog->meaning->mq = parse_mq(pkt, is_secondary, pkt[2] & 0x80)) == 0)
return;
if ((buf[3] >> 3) >= ARRAY_SIZE(units)) {
analog->meaning->unit = units[buf[3] >> 3].unit;
- *floatval = parse_value(buf);
- *floatval *= (state == 0) ? units[buf[3] >> 3].mult : INFINITY;
+ exponent = units[buf[3] >> 3].exponent;
+ *floatval = parse_value(buf, &digits);
+ *floatval *= (state == 0) ? powf(10, exponent) : INFINITY;
+ analog->encoding->digits = digits - exponent;
+ analog->spec->spec_digits = digits - exponent;
}
static unsigned int parse_freq(const uint8_t *pkt)
frame = FALSE;
+ /* Note: digits/spec_digits will be overridden later. */
sr_analog_init(&analog, &encoding, &meaning, &spec, 0);
analog.num_samples = 1;
if (dev_limit_counter_limit_reached(&devc->frame_count) ||
dev_time_limit_reached(&devc->time_count))
- sdi->driver->dev_acquisition_stop(sdi);
+ sr_dev_acquisition_stop(sdi);
return TRUE;
}
static int setup_channels(struct sr_dev_inst *sdi)
{
unsigned int i;
- int ret;
-
- ret = SR_ERR_BUG;
for (i = 0; i < ARRAY_SIZE(channel_names); i++)
sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]);
- return ret;
+ return SR_OK;
}
SR_PRIV void es51919_serial_clean(void *priv)
scan_cleanup:
es51919_serial_clean(devc);
- if (sdi)
- sr_dev_inst_free(sdi);
- if (serial)
- sr_serial_dev_inst_free(serial);
+ sr_dev_inst_free(sdi);
+ sr_serial_dev_inst_free(serial);
return NULL;
}
SR_CONF_SERIALCOMM,
};
-static const uint32_t devopts[] = {
+static const uint32_t drvopts[] = {
SR_CONF_LCRMETER,
+};
+
+static const uint32_t devopts[] = {
SR_CONF_CONTINUOUS,
SR_CONF_LIMIT_FRAMES | SR_CONF_SET,
SR_CONF_LIMIT_MSEC | SR_CONF_SET,
SR_CONF_EQUIV_CIRCUIT_MODEL | SR_CONF_GET | SR_CONF_LIST,
};
-static const struct std_opt_desc opts = {
- scanopts, ARRAY_SIZE(scanopts),
- devopts, ARRAY_SIZE(devopts),
-};
-
SR_PRIV int es51919_serial_config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
- (void)sdi;
- (void)cg;
-
- if (std_config_list(key, data, &opts) == SR_OK)
- return SR_OK;
-
switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ case SR_CONF_DEVICE_OPTIONS:
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
case SR_CONF_OUTPUT_FREQUENCY:
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_DOUBLE,
frequencies, ARRAY_SIZE(frequencies), sizeof(double));
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
if (!(devc = sdi->priv))
return SR_ERR_BUG;