~

src/src/main/java/com/my/graphiteDigesterBg/diframe/util/DiByteBuffer.java

@@ -7,6 +7,7 @@ public class DiByteBuffer {
             return "";
         }
 
+        buffer.rewind();
         StringBuilder sb = new StringBuilder();
         for (int i = 0; i < buffer.limit(); i++) {
             sb.append(String.format("%02X ", buffer.get(i)));