diff --git a/app/src/main/java/com/casic/detector/common/extensions/ByteArray.kt b/app/src/main/java/com/casic/detector/common/extensions/ByteArray.kt
index 6eca084..ee7c842 100644
--- a/app/src/main/java/com/casic/detector/common/extensions/ByteArray.kt
+++ b/app/src/main/java/com/casic/detector/common/extensions/ByteArray.kt
@@ -12,4 +12,40 @@
         hexChars[j * 2 + 1] = hexArray[v and 0x0F]
     }
     return String(hexChars)
+}
+
+fun ByteArray.handleSignalStrength(): String {
+    //长度是单条数据整数倍
+    var hex = this.toHex()
+    if (this.size % 5 == 0) {
+        for (i in this.indices step 5) {
+            val temp = ByteArray(5)
+            System.arraycopy(this, 0, temp, 0, 5)
+            hex = temp.toHex()
+        }
+    } else {
+        val indexArray = ArrayList<Int>()
+        this.forEachIndexed { index, byte ->
+            if (byte == 78.toByte()) {
+                indexArray.add(index)
+            }
+        }
+
+        //去掉最后一个index，数据肯定不满一帧
+        for (i in 0 until indexArray.size - 1) {
+            if (indexArray[i] % 5 == 0) {
+                val temp = ByteArray(5)
+                System.arraycopy(this, indexArray[i], temp, 0, 5)
+                hex = temp.toHex()
+            } else {
+                //不是5倍数的index+5要小于整体数据长度，不然会越界
+                if (indexArray[i] + 5 < this.size) {
+                    val temp = ByteArray(5)
+                    System.arraycopy(this, indexArray[i], temp, 0, 5)
+                    hex = temp.toHex()
+                }
+            }
+        }
+    }
+    return hex
 }
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