diff --git a/tuhi/protocol.py b/tuhi/protocol.py
index 7a8d5a8..cc896a7 100644
--- a/tuhi/protocol.py
+++ b/tuhi/protocol.py
@@ -324,17 +324,21 @@ class NordicData(list):
         The data length of this message. This field is guaranteed to be
         equivalent to len(data) or an exception is raised.
 
+    .. attribute:: name
+
+        The name of this message, may be None
     '''
-    def __init__(self, bs):
+    def __init__(self, bs, name=None):
         data = bs[2:]
         super().__init__(data)
         self.opcode = bs[0]
         self.length = bs[1]
+        self.name = name
         if self.length != len(data):
             raise UnexpectedDataError(bs, f'Invalid data: length field {self.length}, data length is {len(data)}')
 
     def __repr__(self):
-        return f'{self.opcode:02x} / {self.length:02x} / {as_hex_string(self)}'
+        return f'{self.name if self.Name else "UNKNOWN"}{self.opcode:02x} / {self.length:02x} / {as_hex_string(self)}'
 
 
 class ProtocolError(Exception):
@@ -543,7 +547,8 @@ class Msg(object):
         if self.opcode == Msg.OPCODE_NOOP:
             return self  # allow chaining
 
-        self.request = NordicData([self.opcode, len(self.args or []), *(self.args or [])])
+        self.request = NordicData([self.opcode, len(self.args or []), *(self.args or [])],
+                                  name=self.interaction.name)
         self.reply = self._callback(request=self.request if self.requires_request else None,
                                     requires_reply=self.requires_reply,
                                     timeout=self.timeout or None,
diff --git a/tuhi/wacom.py b/tuhi/wacom.py
index d985fed..7b5302a 100644
--- a/tuhi/wacom.py
+++ b/tuhi/wacom.py
@@ -163,24 +163,6 @@ class DataLogger(object):
         def recv(self, data):
             return self.parent._recv(self.source, data)
 
-    commands = {
-        0xb1: 'set mode',
-        0xb6: 'set time',
-        0xb7: 'get firmware',
-        0xb9: 'read battery info',
-        0xbb: 'get/set name',
-        0xc1: 'check for data',
-        0xc3: 'start reading',
-        0xc5: 'fetch data',
-        0xc8: 'end of data',
-        0xca: 'ack transaction',
-        0xcc: 'fetch data',
-        0xea: 'get dimensions',
-        0xe5: 'finish registering',
-        0xe6: 'check connection',
-        0xdb: 'get name',
-    }
-
     def __init__(self, bluez_device):
         self.logger = logging.getLogger('tuhi.fw')
         self.device = bluez_device
@@ -240,20 +222,18 @@ class DataLogger(object):
 
         self.logger.debug(f'{self.btaddr}: RX {source} <-- {convert(data)}')
         self._init_file()
-        if data[0] in self.commands:
-            self.logfile.write(f'#         {self.commands[data[0]]}\n')
         self.logfile.write(f'  - recv: {list2hexlist(data)}\n')
         if source != 'NORDIC':
             self.logfile.write(f'    source: {source}\n')
 
     def _request(self, source, request):
-        if request.opcode in self.commands:
-            self.logger.debug(f'command: {self.commands[request.opcode]}')
+        if request.name:
+            self.logger.debug(f'command: {request.name}')
         self.logger.debug(f'{self.btaddr}: TX {source} --> {request.opcode:02x} / {len(request):02x} / {list2hex(request)}')
 
         self._init_file()
-        if request.opcode in self.commands:
-            self.logfile.write(f'#         {self.commands[request.opcode]}\n')
+        if request.name:
+            self.logfile.write(f'#         {request.name}\n')
 
         data = [request.opcode, len(request), *request]
         self.logfile.write(f'  - send: {list2hexlist(data)}\n')