added !log-now quick command

docs/relnotes/rn_v010200.md

@@ -67,6 +67,7 @@ The following commands are supported:
 | !heap | Display the current system heap memory usage |
 | !help | List the available quick commands |
 | !json-settings | For setting the device settings via a serial connection. When this command is sent, the system expects to receive a JSON settings file |
+| !log-now |Perform a log observation event  |
 | !log-rate | If log rate measurement is enabled, the current log rate is printed |
 | !reset-device | Reset the device - erasing any saved settings and restarting the device |
 | !reset-device-forced | Reset the device, but without a Y/N prompt |

sfeDataLoggerIoT/sfeDLCommands.h

@@ -406,7 +406,22 @@ class sfeDLCommands
 
         return true;
     }
+    //---------------------------------------------------------------------
+    ///
+    /// @brief log an observation now!
+    ///
+    /// @param dlApp Pointer to the DataLogger App
+    /// @retval bool indicates success (true) or failure (!true)
+    ///
+    bool logObservationNow(sfeDataLogger *dlApp)
+    {
+        if (!dlApp)
+            return false;
 
+        dlApp->_logger.logObservation();
+
+        return true;
+    }
     //---------------------------------------------------------------------
     // our command map - command name to callback method
     commandMap_t _commandMap = {
@@ -420,6 +435,7 @@ class sfeDLCommands
         {"json-settings", &sfeDLCommands::loadJSONSettings},
         {"log-rate", &sfeDLCommands::logRateStats},
         {"log-rate-toggle", &sfeDLCommands::logRateToggle},
+        {"log-now", &sfeDLCommands::logObservationNow},
         {"wifi", &sfeDLCommands::wifiStats},
         {"sdcard", &sfeDLCommands::sdCardStats},
         {"devices", &sfeDLCommands::listLoadedDevices},