Index: dialin/__init__.py
===================================================================
diff -u -ra505f80795643e531cb0b0120a38a7765cbf7b9c -r00fe4fbb96d3993c4c8a95566e03090e8b30a5e4
--- dialin/__init__.py	(.../__init__.py)	(revision a505f80795643e531cb0b0120a38a7765cbf7b9c)
+++ dialin/__init__.py	(.../__init__.py)	(revision 00fe4fbb96d3993c4c8a95566e03090e8b30a5e4)
@@ -3,6 +3,8 @@
 from .ui import *
 from .utils import *
 
+__version__ = ""
+
 try:
     from importlib import metadata
 except ImportError:  # for Python < 3.8
Index: dialin/common/dg_defs.py
===================================================================
diff -u -ra505f80795643e531cb0b0120a38a7765cbf7b9c -r00fe4fbb96d3993c4c8a95566e03090e8b30a5e4
--- dialin/common/dg_defs.py	(.../dg_defs.py)	(revision a505f80795643e531cb0b0120a38a7765cbf7b9c)
+++ dialin/common/dg_defs.py	(.../dg_defs.py)	(revision 00fe4fbb96d3993c4c8a95566e03090e8b30a5e4)
@@ -18,6 +18,62 @@
 
 
 @unique
+class DGOpModes(DialinEnum):
+    DG_MODE_FAUL = 0                    # Fault mode
+    DG_MODE_SERV = 1                    # Service mode
+    DG_MODE_INIT = 2                    # Initialization & POST mode
+    DG_MODE_STAN = 3                    # Standby mode - connected to HD
+    DG_MODE_SOLO = 4                    # Standby Solo mode - no HD connected
+    DG_MODE_CIRC = 5                    # Re-circulate mode
+    DG_MODE_FILL = 6                    # Fill mode
+    DG_MODE_DRAI = 7                    # Drain mode
+    DG_MODE_FLUS = 8                    # Flush mode
+    DG_MODE_HEAT = 9                    # Heat Disinfect mode
+    DG_MODE_CHEM = 10                   # Chemical Disinfect mode
+    DG_MODE_NLEG = 11                   # Not legal - an illegal mode transition occurred
+    NUM_OF_DG_MODES = 12                # Number of DG operation modes
+
+
+@unique
+class DGStandByModeStates(DialinEnum):
+    DG_STANDBY_MODE_STATE_START = 0                             # Start standby mode state
+    DG_STANDBY_MODE_STATE_IDLE = 1                              # Idle standby mode state
+    DG_STANDBY_MODE_STATE_FLUSH_FILTER = 2                      # Sample water flush filter state
+    DG_STANDBY_MODE_STATE_FLUSH_FILTER_IDLE = 3                 # Sample water flush filter idle state
+    DG_STANDBY_MODE_STATE_SAMPLE_WATER = 4                      # Sample water state
+    NUM_OF_DG_STANDBY_MODE_STATES = 5                           # Number of standby mode states
+
+
+@unique
+class DGRecircModeStates(DialinEnum):
+    DG_RECIRCULATE_MODE_STATE_START = 0             # Start re-circulation mode state
+    DG_RECIRCULATE_MODE_STATE_FLUSH_LINES = 1       # Flush lines state
+    DG_RECIRCULATE_MODE_STATE_RECIRC_WATER = 2      # Re-circulate water state
+    DG_RECIRCULATE_MODE_STATE_PAUSE = 3             # Pause state (pumps = heaters = lamps off)
+    NUM_OF_DG_RECIRCULATE_MODE_STATES = 4           # Number of fill mode states
+
+
+@unique
+class DGFillModeStates(DialinEnum):
+    DG_FILL_MODE_STATE_START = 0                        # Start fill mode state
+    DG_FILL_MODE_STATE_CHECK_INLET_WATER = 1            # Check inlet water quality state
+    DG_FILL_MODE_STATE_BICARB_PUMP_CHECK = 2            # Run bicarb concentrate pump and check conductivity range
+    DG_FILL_MODE_STATE_ACID_PUMP_CHECK = 3              # Run acid concentrate pump and check conductivity range
+    DG_FILL_MODE_STATE_DIALYSATE_PRODUCTION = 4         # Dialysate production state
+    DG_FILL_MODE_STATE_DELIVER_DIALYSATE = 5            # Deliver dialysate state
+    DG_FILL_MODE_STATE_PAUSED = 6                       # Dialysate generation pause state
+    NUM_OF_DG_FILL_MODE_STATES = 7                      # Number of fill mode states
+
+
+@unique
+class DGDrainModeStates(DialinEnum):
+    DG_DRAIN_STATE_START = 0                # Start drain mode state
+    DG_DRAIN_STATE_DRAIN = 1                # Drain drain mode state
+    DG_DRAIN_STATE_TARE = 2                 # Tare drain mode state
+    NUM_OF_DG_DRAIN_STATES = 3              # Number of drain mode states
+
+
+@unique
 class HeatStates(DialinEnum):
     DG_HEAT_DISINFECT_STATE_START = 0                           # Heat disinfect, start mode state
     DG_HEAT_DISINFECT_STATE_DRAIN_R1 = 1                        # Heat disinfect, drain R1 state