Add state_class total (#3608)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/sensor/__init__.py

@@ -109,6 +109,7 @@ STATE_CLASSES = {
     "": StateClasses.STATE_CLASS_NONE,
     "measurement": StateClasses.STATE_CLASS_MEASUREMENT,
     "total_increasing": StateClasses.STATE_CLASS_TOTAL_INCREASING,
+    "total": StateClasses.STATE_CLASS_TOTAL,
 }
 validate_state_class = cv.enum(STATE_CLASSES, lower=True, space="_")
 

esphome/components/sensor/sensor.cpp

@@ -12,6 +12,8 @@ std::string state_class_to_string(StateClass state_class) {
       return "measurement";
     case STATE_CLASS_TOTAL_INCREASING:
       return "total_increasing";
+    case STATE_CLASS_TOTAL:
+      return "total";
     case STATE_CLASS_NONE:
     default:
       return "";

esphome/components/sensor/sensor.h

@@ -36,6 +36,7 @@ enum StateClass : uint8_t {
   STATE_CLASS_NONE = 0,
   STATE_CLASS_MEASUREMENT = 1,
   STATE_CLASS_TOTAL_INCREASING = 2,
+  STATE_CLASS_TOTAL = 3,
 };
 
 std::string state_class_to_string(StateClass state_class);