metex14: Add power factor measurement mode

[libsigrok.git] / src / dmm / metex14.c

diff --git a/src/dmm/metex14.c b/src/dmm/metex14.c
index f15dd4a087e603772b7c448d422744dcf0ed8aae..f7d05b638b5dccf911c29a56c9268ce03db6b9ed 100644 (file)
--- a/src/dmm/metex14.c
+++ b/src/dmm/metex14.c
@@ -171,6 +171,7 @@ static void parse_flags(const char *buf, struct metex14_info *info)
        info->is_gain = !strncmp(buf, "DB", 2) && info->is_decibel;
        info->is_power = (!strncmp(buf, "dB", 2) && info->is_decibel_mw) ||
                ((!strncmp(buf, "WT", 2) && info->is_watt));
+       info->is_power_factor = !strncmp(buf, "CO", 2) && info->is_unitless;
        info->is_hfe = !strncmp(buf, "HF", 2) ||
                (!strncmp(buf, "  ", 2) && !info->is_volt && !info->is_ohm &&
                 !info->is_logic && !info->is_farad && !info->is_hertz);
@@ -254,6 +255,10 @@ static void handle_flags(struct sr_datafeed_analog *analog, float *floatval,
                else
                        analog->meaning->unit = SR_UNIT_UNITLESS;
        }
+       if (info->is_power_factor) {
+               analog->meaning->mq = SR_MQ_POWER_FACTOR;
+               analog->meaning->unit = SR_UNIT_UNITLESS;
+       }
        if (info->is_gain) {
                analog->meaning->mq = SR_MQ_GAIN;
                analog->meaning->unit = SR_UNIT_DECIBEL_VOLT;