protocol: drop the UNKNOWN_B1 class

0xb1 is the SetMode command, the rest is just the argument for which mode we
want

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

tuhi/protocol.py

@@ -75,7 +75,6 @@ class Interactions(enum.Enum):
     REGISTER_WAIT_FOR_BUTTON = enum.auto()
     REGISTER_COMPLETE = enum.auto()
 
-    UNKNOWN_B1 = enum.auto()
     UNKNOWN_E3 = enum.auto()
     UNKNOWN_EC = enum.auto()
 
@@ -819,18 +818,6 @@ class MsgUnknownECCommand(Msg):
     # uses the default 0xb3 handler
 
 
-class MsgUnknownB1Command(Msg):
-    interaction = Interactions.UNKNOWN_B1
-    opcode = 0xb1
-    protocol = ProtocolVersion.ANY
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.args = [0x01]
-
-    # uses the default 0xb3 handler
-
-
 class MsgSetMode(Msg):
     '''
     :param mode: one of :class:`Mode`

tuhi/wacom.py

@@ -165,7 +165,7 @@ class DataLogger(object):
             return self.parent._recv(self.source, data)
 
     commands = {
-        0xb1: 'start/stop live',
+        0xb1: 'set mode',
         0xb6: 'set time',
         0xb7: 'get firmware',
         0xb9: 'read battery info',
@@ -743,7 +743,7 @@ class WacomProtocolBase(WacomProtocolLowLevelComm):
     def stop_live(self):
         self.p.execute(Interactions.SET_MODE, Mode.IDLE)
 
-    def b1_command(self):
+    def set_paper_mode(self):
         self.p.execute(Interactions.SET_MODE, Mode.PAPER).execute()
 
     def is_data_available(self):
@@ -886,7 +886,7 @@ class WacomProtocolBase(WacomProtocolLowLevelComm):
         return drawing
 
     def read_offline_data(self):
-        self.b1_command()
+        self.set_paper_mode()
         transaction_count = 0
         while self.is_data_available():
             count, timestamp = self.get_stroke_data()