X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fdmm%2Fut372.c;h=ef0677bc5364e9060130dd1c41d2fb1f7b6d898c;hb=55ec0b673af83b70615482c0c5ce33b18ef02fa8;hp=d2fd8bc9e8b5643d8996a87d62737b17af868836;hpb=c1aae90038456a61d0f9313d34e6107c3440d3e7;p=libsigrok.git

diff --git a/src/dmm/ut372.c b/src/dmm/ut372.c
index d2fd8bc9..ef0677bc 100644
--- a/src/dmm/ut372.c
+++ b/src/dmm/ut372.c
@@ -22,6 +22,7 @@
  * UNI-T UT372 protocol parser.
  */
 
+#include <config.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <math.h>
@@ -89,8 +90,9 @@ SR_PRIV gboolean sr_ut372_packet_valid(const uint8_t *buf)
 SR_PRIV int sr_ut372_parse(const uint8_t *buf, float *floatval,
 		struct sr_datafeed_analog *analog, void *info)
 {
-	unsigned int i, j, value, divisor;
+	unsigned int i, j, value;
 	uint8_t segments, flags1, flags2;
+	int exponent;
 
 	(void) info;
 
@@ -98,24 +100,24 @@ SR_PRIV int sr_ut372_parse(const uint8_t *buf, float *floatval,
 	flags2 = decode_pair(buf + 23);
 
 	if (flags2 & FLAGS2_RPM_MASK) {
-		analog->mq = SR_MQ_FREQUENCY;
-		analog->unit = SR_UNIT_REVOLUTIONS_PER_MINUTE;
+		analog->meaning->mq = SR_MQ_FREQUENCY;
+		analog->meaning->unit = SR_UNIT_REVOLUTIONS_PER_MINUTE;
 	} else if (flags2 & FLAGS2_COUNT_MASK) {
-		analog->mq = SR_MQ_COUNT;
-		analog->unit = SR_UNIT_UNITLESS;
+		analog->meaning->mq = SR_MQ_COUNT;
+		analog->meaning->unit = SR_UNIT_UNITLESS;
 	}
 
 	if (flags1 & FLAGS1_HOLD_MASK)
-		analog->mqflags |= SR_MQFLAG_HOLD;
+		analog->meaning->mqflags |= SR_MQFLAG_HOLD;
 	if (flags2 & FLAGS2_MIN_MASK)
-		analog->mqflags |= SR_MQFLAG_MIN;
+		analog->meaning->mqflags |= SR_MQFLAG_MIN;
 	if (flags2 & FLAGS2_MAX_MASK)
-		analog->mqflags |= SR_MQFLAG_MAX;
+		analog->meaning->mqflags |= SR_MQFLAG_MAX;
 	if (flags2 & FLAGS2_AVG_MASK)
-		analog->mqflags |= SR_MQFLAG_AVG;
+		analog->meaning->mqflags |= SR_MQFLAG_AVG;
 
 	value = 0;
-	divisor = 1;
+	exponent = 0;
 
 	for (i = 0; i < 5; i++) {
 		segments = decode_pair(buf + 1 + (2 * i));
@@ -126,10 +128,13 @@ SR_PRIV int sr_ut372_parse(const uint8_t *buf, float *floatval,
 			}
 		}
 		if (segments & DECIMAL_POINT_MASK)
-			divisor = pow(10, i);
+			exponent = -i;
 	}
 
-	*floatval = (float) value / divisor;
+	*floatval = (float) value * powf(10, exponent);
+
+	analog->encoding->digits  = -exponent;
+	analog->spec->spec_digits = -exponent;
 
 	return SR_OK;
 }