+ifdef SERIAL_MOUSE_MICROSOFT_ENABLE
+ SRC += $(PROTOCOL_DIR)/serial_mouse_microsoft.c
+ OPT_DEFS += -DSERIAL_MOUSE_ENABLE -DSERIAL_MOUSE_MICROSOFT \
+ -DMOUSE_ENABLE
+endif
+
+ifdef SERIAL_MOUSE_MOUSESYSTEMS_ENABLE
+ SRC += $(PROTOCOL_DIR)/serial_mouse_mousesystems.c
+ OPT_DEFS += -DSERIAL_MOUSE_ENABLE -DSERIAL_MOUSE_MOUSESYSTEMS \
+ -DMOUSE_ENABLE
+endif
+
+ifdef SERIAL_MOUSE_USE_SOFT
+ SRC += $(PROTOCOL_DIR)/serial_soft.c
+endif
+
+ifdef SERIAL_MOUSE_USE_UART
+ SRC += $(PROTOCOL_DIR)/serial_uart.c
+endif
+