From a13bb136c48cd40cef07f43c5390de6f90cf78b6 Mon Sep 17 00:00:00 2001
From: eeff <33566201+eeff@users.noreply.github.com>
Date: Thu, 13 Jun 2024 14:57:13 +0800
Subject: [PATCH] fix(core): read_report_group add tag bias

---
 src/adapter/driver/driver.c | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/adapter/driver/driver.c b/src/adapter/driver/driver.c
index 4e13baa9..ce130701 100644
--- a/src/adapter/driver/driver.c
+++ b/src/adapter/driver/driver.c
@@ -2192,48 +2192,52 @@ static void read_report_group(int64_t timestamp, int64_t timeout,
             } else {
                 tag_value.value = value.value;
             }
-            if (tag->decimal != 0) {
+
+            if (tag->decimal != 0 || tag->bias != 0) {
+                double decimal = tag->decimal != 0 ? tag->decimal : 1;
+                double bias    = tag->bias;
+
                 tag_value.value.type = NEU_TYPE_DOUBLE;
                 switch (tag->type) {
                 case NEU_TYPE_INT8:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.i8 * tag->decimal;
+                        (double) tag_value.value.value.i8 * decimal + bias;
                     break;
                 case NEU_TYPE_UINT8:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.u8 * tag->decimal;
+                        (double) tag_value.value.value.u8 * decimal + bias;
                     break;
                 case NEU_TYPE_INT16:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.i16 * tag->decimal;
+                        (double) tag_value.value.value.i16 * decimal + bias;
                     break;
                 case NEU_TYPE_UINT16:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.u16 * tag->decimal;
+                        (double) tag_value.value.value.u16 * decimal + bias;
                     break;
                 case NEU_TYPE_INT32:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.i32 * tag->decimal;
+                        (double) tag_value.value.value.i32 * decimal + bias;
                     break;
                 case NEU_TYPE_UINT32:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.u32 * tag->decimal;
+                        (double) tag_value.value.value.u32 * decimal + bias;
                     break;
                 case NEU_TYPE_INT64:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.i64 * tag->decimal;
+                        (double) tag_value.value.value.i64 * decimal + bias;
                     break;
                 case NEU_TYPE_UINT64:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.u64 * tag->decimal;
+                        (double) tag_value.value.value.u64 * decimal + bias;
                     break;
                 case NEU_TYPE_FLOAT:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.f32 * tag->decimal;
+                        (double) tag_value.value.value.f32 * decimal + bias;
                     break;
                 case NEU_TYPE_DOUBLE:
                     tag_value.value.value.d64 =
-                        (double) tag_value.value.value.d64 * tag->decimal;
+                        (double) tag_value.value.value.d64 * decimal + bias;
                     break;
                 default:
                     tag_value.value.type = tag->type;