powermeter mqtt json

src/plugins/zeroExport/powermeter.h

@@ -219,23 +219,18 @@ class powermeter {
 
             float power = 0.0;
 
-/// TODO: Json aktivieren
-//            //TODO: datajson 100 enough?
-//            // this if-statement need to check if value contains a json object.
-//            // is it so, then deserialize it and get the values (Shelly GEN2)
-//            DynamicJsonDocument datajson(100);
-//            if (!deserializeJson(datajson, obj["val"]))
-//            {
-//                switch (mCfg->groups[group].pm_target) {
-//                    case 0: power = datajson["a_act_power"]; break;
-//                    case 1: power = datajson["b_act_power"]; break;
-//                    case 2: power = datajson["c_act_power"]; break;
-//                    case 3: power = datajson["total_act_power"]; break;
-//                }
-//            } else {
-//                //TODO: check if parse is possible here? Is that right?
+            DynamicJsonDocument datajson(512);
+            if (!deserializeJson(datajson, obj["val"]))
+            {
+                switch (mCfg->groups[group].pm_target) {
+                    case 0: power = datajson["a_act_power"]; break;
+                    case 1: power = datajson["b_act_power"]; break;
+                    case 2: power = datajson["c_act_power"]; break;
+                    case 3: power = datajson["total_act_power"]; break;
+                }
+            } else {
                 power = (float)obj["val"];
-//            }
+            }
 
             bufferWrite(power, group);
             mCfg->groups[group].power = power; // TODO: join two sites together (PM & MQTT)