Fluke 287/289: support for dBu/dBV measurement units

[libsigrok.git] / hardware / fluke-dmm / fluke.c

diff --git a/hardware/fluke-dmm/fluke.c b/hardware/fluke-dmm/fluke.c
index 9258fab56669bd91d2bbaa18cea2fb32af27f9a7..6d45217c81720204b54af78256299e8ee199962d 100644 (file)
--- a/hardware/fluke-dmm/fluke.c
+++ b/hardware/fluke-dmm/fluke.c
@@ -181,6 +181,13 @@ static struct sr_datafeed_analog *handle_qm_v2(const struct sr_dev_inst *sdi,
                        *analog->data = NAN;
                } else
                        analog->mq = -1;
+       } if (!strcmp(tokens[1], "dBV") || !strcmp(tokens[1], "dBm")) {
+               analog->mq = SR_MQ_VOLTAGE;
+               if (tokens[1][2] == 'm')
+                       analog->unit = SR_UNIT_DECIBEL_MW;
+               else
+                       analog->unit = SR_UNIT_DECIBEL_VOLT;
+               analog->mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
        } if (!strcmp(tokens[1], "CEL") || !strcmp(tokens[1], "FAR")) {
                if (!strcmp(tokens[2], "NORMAL")) {
                        analog->mq = SR_MQ_TEMPERATURE;