dmm: vc870: support effective voltage & current

[libsigrok.git] / src / dmm / vc870.c

diff --git a/src/dmm/vc870.c b/src/dmm/vc870.c
index 125f4712d5fb23179bc09d363292c4940ece5b47..fc795678e6dcb02a3ee68c694eb00180db694fbc 100644 (file)
--- a/src/dmm/vc870.c
+++ b/src/dmm/vc870.c
@@ -150,7 +150,7 @@ static int parse_range(uint8_t b, float *floatval,
                mode = 16; /* Act+apparent power */
        else if (info->is_power_factor_freq)
                mode = 17; /* Power factor / freq */
-       else if (info->is_v_a_eff_value)
+       else if (info->is_v_a_rms_value)
                mode = 18; /* V eff + A eff */
        else {
                sr_dbg("Invalid mode, range byte was: 0x%02x.", b);
@@ -225,7 +225,7 @@ static void parse_flags(const uint8_t *buf, struct vc870_info *info)
                        info->is_power_factor_freq = TRUE;
                else if (buf[1] == 0x32)
                        /* Voltage effective value + current effective value */
-                       info->is_v_a_eff_value = TRUE;
+                       info->is_v_a_rms_value = TRUE;
                break;
        default:
                sr_dbg("Invalid function bytes: %02x %02x.", buf[0], buf[1]);
@@ -351,6 +351,14 @@ static void handle_flags(struct sr_datafeed_analog_old *analog,
                // analog->mq = SR_MQ_FREQUENCY;
                // analog->unit = SR_UNIT_HERTZ;
        }
+       if (info->is_v_a_rms_value) {
+               analog->mqflags |= SR_MQFLAG_RMS;
+               analog->mq = SR_MQ_VOLTAGE;
+               analog->unit = SR_UNIT_VOLT;
+               /* TODO: Handle effective current value */
+               // analog->mq = SR_MQ_CURRENT;
+               // analog->unit = SR_UNIT_AMPERE;
+       }
 
        /* Measurement related flags */
        if (info->is_ac)