global.h: add initialization to log message array

hopfully the Exception (28) crashes go away after this
madmartin · Jun 2, 2018 · ba46258 · ba46258
1 parent 128c289
commit ba46258
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Showing 2 changed files with 20 additions and 6 deletions.
diff --git a/Jarolift_MQTT.ino b/Jarolift_MQTT.ino
@@ -179,6 +179,7 @@ void setup()
   EEPROM.begin(4096);
   Serial.begin(115200);
   delay(500);
+  InitLog();
   WriteLog("[INFO] - starting Jarolift Dongle "+ (String)PROGRAM_VERSION, true);
   WriteLog("[INFO] - ESP-ID "+ (String)ESP.getChipId()+ " // ESP-Core  "+ ESP.getCoreVersion()+ " // SDK Version "+ ESP.getSdkVersion(), true);
 

diff --git a/global.h b/global.h
@@ -63,30 +63,43 @@ struct strConfig {
 } config;
 
 
+//####################################################################
+// Initalize log message array with empty strings
+//####################################################################
+void InitLog()
+{
+  for ( int i = 0; i < NUM_WEB_LOG_MESSAGES; i++ ) {
+    web_log_message[i] = "";
+  }
+}
+
 //####################################################################
 // Function to write Log to both, serial and Weblog
 //####################################################################
 void WriteLog(String msg, boolean new_line = false)
 {
+  // check if log buffer is "full"
   if (web_log_message_count == NUM_WEB_LOG_MESSAGES) {
+    // when full then move all messages one line up
     for ( int i = 1; i < NUM_WEB_LOG_MESSAGES;  ++i ) {
       web_log_message[i - 1] = web_log_message[i];
     }
-    web_log_message[NUM_WEB_LOG_MESSAGES-1] = "";
     web_log_message_count--;
+    web_log_message[web_log_message_count] = "";
   }
 
+  if (web_log_message[web_log_message_count] == "") {
+    web_log_message[web_log_message_count] = msg;
+  } else {
+    web_log_message[web_log_message_count] += " " + msg;
+  }
   if (new_line == true) {
-    web_log_message[web_log_message_count] = web_log_message[web_log_message_count] + " " + msg;
     web_log_message_count++;
-    //web_log = web_log + " " + msg + "\n";
     Serial.println(" " + msg);
   } else {
-    web_log_message[web_log_message_count] = web_log_message[web_log_message_count] + " " + msg;
-    //web_log = web_log + " " + msg;
     Serial.print(" " + msg);
   }
-
+  delay(2);
 }
 
 //####################################################################