add heap output in about; better verbage around fuel guage

Author: gigapod

sfeIoTNodeLoRaWAN/sfeIoTNodeLoRaWANAbout.cpp

@@ -14,6 +14,7 @@
 
 #include "sfeIoTNodeLoRaWAN.h"
 #include <Flux/flxClock.h>
+#include <Flux/flxPlatform.h>
 #include <Flux/flxSerial.h>
 
 void sfeIoTNodeLoRaWAN::_displayAboutObjHelper(char pre_ch, const char *szName, bool enabled)
@@ -132,22 +133,17 @@ void sfeIoTNodeLoRaWAN::displayAppStatus(bool useInfo)
     // else
     //     flxLog__(logLevel, "%cSD card not available", pre_ch);
 
-    // // show heap level
-    // flxLog__(logLevel, "%cSystem Heap - Total: %dB Free: %dB (%.1f%%)", pre_ch, ESP.getHeapSize(),
-    // ESP.getFreeHeap(),
-    //          (float)ESP.getFreeHeap() / (float)ESP.getHeapSize() * 100.);
+    // show heap level
+    flxLog__(logLevel, "%cSystem Heap - Total: %dB Free: %dB (%.1f%%)", pre_ch, flxPlatform::heap_size(),
+             flxPlatform::heap_free(), (float)flxPlatform::heap_free() / (float)flxPlatform::heap_size() * 100.);
 
     // Battery fuel gauge available?
     if (_fuelGauge != nullptr)
     {
-        // Output if a) we have a batter connected, and if so the % charge, and if it's charging
-        float batterySOC = _fuelGauge->getSOC();
-        // Is a battery connected - look at SOC
-        if (batterySOC < kBatteryNoBatterySOC)
-            flxLog__(logLevel, "%cBattery - Level: %c%.1f%%", pre_ch, _fuelGauge->getChangeRate() > 0 ? '+' : ' ',
-                     batterySOC);
-        else
-            flxLog__(logLevel, "%cBattery - Not Connected", pre_ch);
+        // There is no way to detect if a batter is connected using the fuel gauge. Sad...
+        // So we just output the state of charge ...
+        flxLog__(logLevel, "%cFuel Gauge - State of Charge: %c%.1f%%", pre_ch,
+                 _fuelGauge->getChangeRate() > 0 ? '+' : ' ', _fuelGauge->getSOC());
     }
     // flxLog__(logLevel, "%cSystem Deep Sleep: %s", pre_ch, sleepEnabled() ? "enabled" : "disabled");
     // flxLog_N("%c    Sleep Interval: %d seconds", pre_ch, sleepInterval());