main.cpp: only correct BatteryCurrent on first phase when EnableC2 is set to <Always Off>

Author: dingo35

SmartEVSE-3/src/main.cpp

@@ -3568,7 +3568,11 @@ void CalcIsum(void) {
         MainsMeter.Irms[x] = MainsMeter.Irms[x] - temp[x];
 #endif
         IrmsOriginal[x] = MainsMeter.Irms[x];
-        MainsMeter.Irms[x] -= batteryPerPhase;
+        if (EnableC2 != ALWAYS_OFF) {                                           // so single phase users can signal to only correct battery current on first phase
+            MainsMeter.Irms[x] -= batteryPerPhase;
+        } else
+            if (x == 0)
+                MainsMeter.Irms[0] -= getBatteryCurrent();
         Isum = Isum + MainsMeter.Irms[x];
     }
     MainsMeter.CalcImeasured();

docs/REST_API.md

@@ -201,6 +201,13 @@ to your curl POST command. -d ''
   Actual home battery current multiplied by 10
 <br>&emsp;&emsp;A positive number means the home battery is charging
 <br>&emsp;&emsp;A negative number means the home battery is discharging
+```
+curl -X POST "http://ipaddress/currents?battery_current=300" -d ''
+```
+...means your battery is charging at 10A per phase (3 * 10A = 30A = 300dA).
+
+NOTE: By default the current fed here is divided by three and corrected on every phase.
+If C2 is set to "Always Off", you are signalling a single phase system; in that case the correction is put fully on the L1 phase.
 
 * L1, L2, L3