fixed Bug leading to Stackoverflow

Software/.gitignore

@@ -1,4 +1,5 @@
 data/
+data_src/version
 .pio
 .vscode/.browse.c_cpp.db*
 .vscode/c_cpp_properties.json

Software/data_src/index.htm

@@ -215,30 +215,36 @@
             <div class="form-group row">
               <label for="name_faction1" class="control-label col-4">Faktion 1</label>
               <div class="col-8">
+                <div class="input-group">
                   <input id="name_faction1" type="text" class="set-wsevent data-name_faction1 form-control" required="required">
                   <div class="input-group-append">
                     <span class="input-group-text">max. 32 Zeichen</span>
                   </div>
                 </div>
               </div>
+            </div>
             <div class="form-group row">
               <label for="name_faction2" class="control-label col-4">Faktion 2</label>
               <div class="col-8">
+                <div class="input-group">
                   <input id="name_faction2" type="text" class="set-wsevent data-name_faction2 form-control" required="required">
                   <div class="input-group-append">
                     <span class="input-group-text">max. 32 Zeichen</span>
                   </div>
                 </div>
               </div>
+            </div>
             <div class="form-group row">
               <label for="name_faction3" class="control-label col-4">Faktion 3</label>
               <div class="col-8">
+                <div class="input-group">
                   <input id="name_faction3" type="text" class="set-wsevent data-name_faction3 form-control" required="required">
                   <div class="input-group-append">
                     <span class="input-group-text">max. 32 Zeichen</span>
                   </div>
                 </div>
               </div>
+            </div>
           <!-- Div Group Timer Settings -->
         <!-- Div Group Save Button-->
         <hr />
@@ -267,15 +273,15 @@
           </tr>
           <tr>
             <td>Firmware Version</td>
-            <td>%SW_VERSION%</td>
+            <td><span class="data-fw-version"></span></td>
           </tr>
           <tr>
             <td>Flash Version</td>
-            <td>%FS_VERSION%</td>
+            <td><span class="data-flash-version"></span></td>
           </tr>
           <tr>
             <td>Git Revision</td>
-            <td>%GIT_REV%</td>
+            <td><span class="data-git-revision"></span></td>
           </tr>
       </table>
       </p>

Software/data_src/version

@@ -1 +0,0 @@
-1.06

Software/include/eeprom.h

@@ -82,7 +82,7 @@ const configData_t ConfigData_defaults = {
     "FACTION 1",     // Faction_1_Name
     "FACTION 2",     // Faction_2_Name
     "FACTION 3",     // Faction_3_Name
-    "ArisoftTimer",
+    HOST_NAME,
     QUOTE(WIFI_AP_PASSWORD),
     QUOTE(WIFI_SSID_CLIENT),
     QUOTE(WIFI_PASSWORD_CLIENT),
@@ -102,7 +102,6 @@ uint32_t Checksum_EEPROM(uint8_t const *data, size_t len);
 void dumpEEPROM(uint16_t memoryAddress, uint16_t length);
 void MovePersistencePage_EEPROM(boolean reset);
 uint32_t ConfigSanityCheck(bool autocorrect = false);
-bool validateWiFiString(char *string, size_t size);
 void writeSequentialToEEPROM(uint16_t memoryAddress, uint16_t length);
 void writeZeroToEEPROM(uint16_t memoryAddress, uint16_t length);
 

Software/include/globals.h

@@ -10,7 +10,7 @@ typedef struct Globals_s
   tSystem_Status resumeStatus = sysStat_Startup; /**< Status to resume after rain mode */
   char systemStatustxt[16] = "";                 /**< Text representation of system status */
   EERequest_t requestEEAction = EE_IDLE;         /**< EEPROM-related request */
-  char DeviceName[33];                           /**< Device name */
+  char DeviceName[25];                           /**< Device name */
   char DeviceNameId[sizeof(DeviceName) + 8];     /**< Device name plus 8 chars chipID */
   char FlashVersion[10];                         /**< Flash version */
   uint16_t eePersistanceAdress;                  /**< EEPROM persistence address */

Software/include/utilities.h

@@ -0,0 +1,36 @@
+#ifndef UTILITIES_H
+#define UTILITIES_H
+
+#include <Arduino.h>
+
+/**
+ * @brief Validates whether a given string contains only characters allowed in WiFi SSIDs and passwords.
+ *
+ * This function checks each character in the provided string to ensure
+ * that it contains only characters allowed in WiFi SSIDs and passwords.
+ * It considers characters from 'A' to 'Z', 'a' to 'z', '0' to '9', as well as
+ * the following special characters: ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~
+ *
+ * @param string Pointer to the string to be validated.
+ * @param size Size of the string including the null-terminator.
+ * @return true if the string contains only allowed characters or is NULL,
+ *         false otherwise.
+ */
+bool validateWiFiString(char *string, size_t size);
+
+/**
+ * @brief Copies a string to a buffer, replacing invalid WiFi SSID characters with a placeholder.
+ *
+ * This function checks each character in the provided input string to ensure
+ * that it contains only characters allowed in WiFi SSIDs and passwords. If a character
+ * is invalid, it replaces it with a placeholder character (e.g., '_').
+ * It considers characters from 'A' to 'Z', 'a' to 'z', '0' to '9', as well as
+ * the following special characters: ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~
+ *
+ * @param input Pointer to the input string to be validated and copied.
+ * @param buffer Pointer to the buffer where the output string will be copied.
+ * @param bufferSize Size of the buffer including the null-terminator.
+ */
+void sanitizeWiFiString(const char *input, char *buffer, size_t bufferSize);
+
+#endif // UTILITIES_H

Software/platformio.ini

@@ -17,8 +17,8 @@ platform = espressif8266
 framework = arduino
 board = d1_mini
 
-custom_firmware_version = 1.06 
+custom_firmware_version = 1.07
-custom_flash_version = 1.06
+custom_flash_version = 1.07
 
 upload_protocol = esptool
 upload_speed = 921600
@@ -29,7 +29,7 @@ upload_speed = 921600
 
 build_flags=
   -DATOMIC_FS_UPDATE
-  -DFEATURE_ENABLE_WIFI_CLIENT
+  ;-DFEATURE_ENABLE_WIFI_CLIENT
   ;-DFEATURE_ENABLE_LORA
   -DFEATURE_ENABLE_UARTLORA
   -DWIFI_AP_IP_GW=10,0,0,1

Software/src/common.cpp

@@ -3,6 +3,7 @@
 const char *BatteryString[] = {
     "Undefined",
     "LiPo 2S",
-    "LiPo 3S"};
+    "LiPo 3S"
+    };
 
 const size_t BatteryString_Elements = sizeof(BatteryString) / sizeof(BatteryString[0]);

Software/src/debugger.cpp

@@ -15,7 +15,17 @@
 
 DebugStatus_t DebuggerStatus[dbg_cntElements];
 
-void processCmdDebug(String command);
+// Funktionszeiger
+typedef void (*CommandFunction)();
+
+// Struktur zur Zuordnung von Commands zu Funktionen
+struct CommandMapping
+{
+    const char *command;
+    CommandFunction function;
+};
+
+void processCmdDebug(const char *command);
 void Debug_formatCFG();
 void Debug_formatPersistence();
 void Debug_printSystemInfo();
@@ -26,8 +36,97 @@ void Debug_dumpPersistance();
 void Debug_ShowDTCs();
 void Debug_dumpGlobals();
 void Debug_printHelp();
+void Debug_Reboot();
 const char *uint32_to_binary_string(uint32_t num);
 
+// Adapter-Functions for Debug-Commands
+void adapterCheckEEPOM() { Debug_CheckEEPOM(false); }
+void adapterCheckEEPOMFix() { Debug_CheckEEPOM(true); }
+void adapterDumpEEPROM1k() { dumpEEPROM(0, 1024); }
+void adapterDumpEEPROMAll() { dumpEEPROM(0, EEPROM_SIZE_BYTES); }
+void adapterKillEEPROM() { writeSequentialToEEPROM(0, 1024); }
+void adapterZeroEEPROM() { writeZeroToEEPROM(0, 1024); }
+void adapterResetPageEEPROM() { MovePersistencePage_EEPROM(true); }
+void adapterSaveEEPROM() { globals.requestEEAction = EE_ALL_SAVE; }
+void adapterSetDebugPort() { SetDebugportStatus(dbg_Serial, enabled); }
+void adapterCritDTC() { MaintainDTC(DTC_FAKE_DTC_CRIT, true, millis()); }
+void adapterWarnDTC() { MaintainDTC(DTC_FAKE_DTC_WARN, true, millis()); }
+void adapterInfoDTC() { MaintainDTC(DTC_FAKE_DTC_INFO, true, millis()); }
+void adapterNotifyError() { Websocket_PushNotification("Debug Error Notification", error); }
+void adapterNotifyWarning() { Websocket_PushNotification("Debug Warning Notification", warning); }
+void adapterNotifySuccess() { Websocket_PushNotification("Debug Success Notification", success); }
+void adapterNotifyInfo() { Websocket_PushNotification("Debug Info Notification", info); }
+
+// Definition der Command-Mapping-Tabelle
+const CommandMapping commandMappings[] = {
+    {"help", Debug_printHelp},
+    {"reboot", Debug_Reboot},
+    {"sysinfo", Debug_printSystemInfo},
+    {"netinfo", Debug_printWifiInfo},
+    {"formatCFG", Debug_formatCFG},
+    {"formatPDS", Debug_formatPersistence},
+    {"checkEE", adapterCheckEEPOM},
+    {"checkEEfix", adapterCheckEEPOMFix},
+    {"dumpEE1k", adapterDumpEEPROM1k},
+    {"dumpEE", adapterDumpEEPROMAll},
+    {"killEE", adapterKillEEPROM},
+    {"zeroEE", adapterZeroEEPROM},
+    {"resetPageEE", adapterResetPageEEPROM},
+    {"dumpCFG", Debug_dumpConfig},
+    {"dumpPDS", Debug_dumpPersistance},
+    {"saveEE", adapterSaveEEPROM},
+    {"dumpGlobals", Debug_dumpGlobals},
+    {"sdbg", adapterSetDebugPort},
+    {"dtc_show", Debug_ShowDTCs},
+    {"dtc_clear", ClearAllDTC},
+    {"dtc_crit", adapterCritDTC},
+    {"dtc_warn", adapterWarnDTC},
+    {"dtc_info", adapterInfoDTC},
+    {"notify_error", adapterNotifyError},
+    {"notify_warning", adapterNotifyWarning},
+    {"notify_success", adapterNotifySuccess},
+    {"notify_info", adapterNotifyInfo},
+};
+
+const size_t NUM_COMMANDS = sizeof(commandMappings) / sizeof(commandMappings[0]);
+
+const char helpText[][64] PROGMEM = {
+    "help           - Print this help text",
+    "sysinfo        - System Info",
+    "reboot         - System Reboot",
+    "netinfo        - WiFi Info",
+    "formatPDS      - Format Persistence EEPROM Data",
+    "formatCFG      - Format Configuration EEPROM Data",
+    "checkEE        - Check EEPROM with checksum",
+    "checkEEfix     - Check and fix EEPROM with checksum",
+    "dumpEE1k       - Dump the first 1kb of EEPROM to Serial",
+    "dumpEE         - Dump the whole EEPROM to Serial",
+    "killEE         - Kill the first 1024 bytes of EEPROM",
+    "zeroEE         - Zero the first 1024 bytes of EEPROM",
+    "resetPageEE    - Reset the PersistenceData Page",
+    "dumpCFG        - Print Config struct",
+    "dumpPDS        - Print PersistenceStruct",
+    "saveEE         - Save EE-Data",
+    "dumpGlobals    - Print globals",
+    "sdbg           - Set debug port status",
+    "dtc_show       - Show all DTCs",
+    "dtc_clear      - Clear all DTCs",
+    "dtc_crit       - Maintain critical DTC",
+    "dtc_warn       - Maintain warning DTC",
+    "dtc_info       - Maintain info DTC",
+    "notify_error   - Send error notification",
+    "notify_warning - Send warning notification",
+    "notify_success - Send success notification",
+    "notify_info    - Send info notification"
+};
+
+const size_t NUM_HELP_LINES = sizeof(helpText) / sizeof(helpText[0]);
+
+// Überprüfen, ob die Anzahl der Commands und Hilfetext-Zeilen übereinstimmen
+static_assert(NUM_COMMANDS == NUM_HELP_LINES, "Number of commands and help text lines do not match!");
+
+
+
 /**
  * @brief Initializes the debugger by setting the initial status for different debug ports.
  *        Serial debug output is turned off.
@@ -109,7 +208,7 @@ void Debug_Process()
         break;
 
     case CMD_COMPLETE:
-        processCmdDebug(String(inputBuffer));
+        processCmdDebug(inputBuffer);
         break;
 
     case CMD_OVERFLOW:
@@ -184,66 +283,23 @@ void Debug_pushMessage(const char *format, ...)
  *
  * @param command The debug command to be processed.
  */
-void processCmdDebug(String command)
+void processCmdDebug(const char *command)
+{
+    bool commandFound = false;
+    for (size_t i = 0; i < NUM_COMMANDS; ++i)
+    {
+        if (strcmp(command, commandMappings[i].command) == 0)
+        {
+            commandMappings[i].function();
+            commandFound = true;
+            break;
+        }
+    }
+    if (!commandFound)
     {
-    // Check the received command and execute corresponding actions
-    if (command == "help")
-        Debug_printHelp();
-    else if (command == "reboot")
-        globals.systemStatus = sysStat_Shutdown;
-    else if (command == "sysinfo")
-        Debug_printSystemInfo();
-    else if (command == "netinfo")
-        Debug_printWifiInfo();
-    else if (command == "formatCFG")
-        Debug_formatCFG();
-    else if (command == "formatPDS")
-        Debug_formatPersistence();
-    else if (command == "checkEE")
-        Debug_CheckEEPOM(false);
-    else if (command == "checkEEfix")
-        Debug_CheckEEPOM(true);
-    else if (command == "dumpEE1k")
-        dumpEEPROM(0, 1024);
-    else if (command == "dumpEE")
-        dumpEEPROM(0, EEPROM_SIZE_BYTES);
-    else if (command == "killEE")
-        writeSequentialToEEPROM(0, 1024);
-    else if (command == "zeroEE")
-        writeZeroToEEPROM(0, 1024);
-    else if (command == "resetPageEE")
-        MovePersistencePage_EEPROM(true);
-    else if (command == "dumpCFG")
-        Debug_dumpConfig();
-    else if (command == "dumpPDS")
-        Debug_dumpPersistance();
-    else if (command == "saveEE")
-        globals.requestEEAction = EE_ALL_SAVE;
-    else if (command == "dumpGlobals")
-        Debug_dumpGlobals();
-    else if (command == "sdbg")
-        SetDebugportStatus(dbg_Serial, enabled);
-    else if (command == "dtc_show")
-        Debug_ShowDTCs();
-    else if (command == "dtc_clear")
-        ClearAllDTC();
-    else if (command == "dtc_crit")
-        MaintainDTC(DTC_FAKE_DTC_CRIT, true, millis());
-    else if (command == "dtc_warn")
-        MaintainDTC(DTC_FAKE_DTC_WARN, true, millis());
-    else if (command == "dtc_info")
-        MaintainDTC(DTC_FAKE_DTC_INFO, true, millis());
-    else if (command == "notify_error")
-        Websocket_PushNotification("Debug Error Notification", error);
-    else if (command == "notify_warning")
-        Websocket_PushNotification("Debug Warning Notification", warning);
-    else if (command == "notify_success")
-        Websocket_PushNotification("Debug Success Notification", success);
-    else if (command == "notify_info")
-        Websocket_PushNotification("Debug Info Notification", info);
-    else
         Debug_pushMessage("unknown Command\n");
     }
+}
 
 /**
  * @brief Formats the Config-EEPROM and resets it to default values.
@@ -415,7 +471,7 @@ void Debug_ShowDTCs()
     char buff_active[9];
 
     // Header for the DTC display
-    Debug_pushMessage("\n      timestamp | DTC-Nr. |   status | severity\n");
+    Debug_pushMessage("\n      timestamp | DTC-Nr. |   status | debugval\n");
 
     // Iterate through DTCStorage and display each entry
     for (uint32_t i = 0; i < MAX_DTC_STORAGE; i++)
@@ -439,31 +495,37 @@ void Debug_ShowDTCs()
                 strcpy(buff_active, "none");
 
             // Display DTC information
-            Debug_pushMessage("%s   %7d   %8s   %8d\n", buff_timestamp, DTCStorage[i].Number, buff_active);
+            Debug_pushMessage("%s   %7d   %8s   %8d\n", buff_timestamp, DTCStorage[i].Number, buff_active, DTCStorage[i].debugVal);
         }
     }
 }
 
 /**
- * @brief Displays the help commands for debugging through Serial or WebUI.
+ * @brief Prints the help information stored in PROGMEM.
- *        Each command is printed individually in a formatted manner.
  */
 void Debug_printHelp()
 {
-    char buff[64];
+    char buffer[64];
-
+    for (size_t i = 0; i < NUM_HELP_LINES; ++i)
-    // Iterate through helpCmd and display each command
-    for (unsigned int i = 0; i < sizeof(helpCmd) / 63; i++)
     {
-        // Copy a portion of helpCmd to buff for display
+        strcpy_P(buffer, (PGM_P)pgm_read_word(&(helpText[i])));
-        memcpy_P(buff, (helpCmd + (i * 63)), 63);
-        buff[63] = 0;
 
         // Display the help command
-        Debug_pushMessage(buff);
+        Debug_pushMessage(buffer);
     }
 }
 
+/**
+ * @brief Initiates a system reboot by setting the system status to shutdown.
+ *
+ * This function sets the global system status to `sysStat_Shutdown`,
+ * which will trigger a system reboot sequence.
+ */
+void Debug_Reboot()
+{
+    globals.systemStatus = sysStat_Shutdown;
+}
+
 /**
  * @brief Convert a uint32_t value to a binary string with nibbles separated by a space.
  *

Software/src/eeprom.cpp

@@ -9,6 +9,7 @@
 #include "eeprom.h"
 #include "debugger.h"
 #include "globals.h"
+#include "utilities.h"
 
 // Instance of I2C_eeprom for EEPROM access
 I2C_eeprom ee(I2C_EE_ADDRESS, EEPROM_SIZE_BYTES);
@@ -157,7 +158,7 @@ void GetConfig_EEPROM()
 
   ConfigData.checksum = checksum;
 
-  uint32_t ConfigSanityCheckResult = ConfigSanityCheck(false);
+  uint32_t ConfigSanityCheckResult = ConfigSanityCheck(true);
 
   MaintainDTC(DTC_EEPROM_CFG_SANITY, (ConfigSanityCheckResult > 0), ConfigSanityCheckResult);
 }
@@ -430,48 +431,6 @@ uint32_t ConfigSanityCheck(bool autocorrect)
   return setting_reset_bits;
 }
 
-/**
- * @brief Validates whether a given string contains only characters allowed in WiFi SSIDs and passwords.
- *
- * This function checks each character in the provided string to ensure
- * that it contains only characters allowed in WiFi SSIDs and passwords.
- * It considers characters from 'A' to 'Z', 'a' to 'z', '0' to '9', as well as
- * the following special characters: ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~
- *
- * @param string Pointer to the string to be validated.
- * @param size Size of the string including the null-terminator.
- * @return true if the string contains only allowed characters or is NULL,
- *         false otherwise.
- */
-bool validateWiFiString(char *string, size_t size)
-{
-  if (string == NULL)
-    return false;
-
-  for (size_t i = 0; i < size; i++)
-  {
-    char c = string[i];
-    if (c == '\0')
-    {
-      // Reached the end of the string, all characters were valid WiFi characters.
-      return true;
-    }
-    if (!((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') ||
-          (c >= '0' && c <= '9') || c == '!' || c == '"' || c == '#' ||
-          c == '$' || c == '%' || c == '&' || c == '\'' || c == '(' ||
-          c == ')' || c == '*' || c == '+' || c == ',' || c == '-' ||
-          c == '.' || c == '/' || c == ':' || c == ';' || c == '<' ||
-          c == '=' || c == '>' || c == '?' || c == '@' || c == '[' ||
-          c == '\\' || c == ']' || c == '^' || c == '_' || c == '`' ||
-          c == '{' || c == '|' || c == '}' || c == '~'))
-    {
-      // Found a character that is not a valid WiFi character.
-      return false;
-    }
-  }
-  // If the loop completes without finding a null terminator, the string is invalid.
-  return false;
-}
 
 /**
  * @brief Write sequential numbers to a portion of EEPROM.

Software/src/lora_net.cpp

@@ -249,7 +249,7 @@ void printParameters(struct Configuration configuration)
 void Parse_LoRa_UartCommand(char input[], int size)
 {
 
-    Debug_pushMessage("Start parsing, size: %d", size);
+    Debug_pushMessage("Start parsing, size: %d\n", size);
     char delimiter[] = ";";
     char *ptr;
     char command[8];
@@ -278,7 +278,7 @@ void Parse_LoRa_UartCommand(char input[], int size)
         }
 
         // Hier kannst du den Wert und das Kommando verarbeiten
-        Debug_pushMessage("Command: %s, Value: %s", command, value);
+        Debug_pushMessage("Command: %s, Value: %s\n", command, value);
     }
 
     Debug_pushMessage("Parsed LoRa UART Command:  %s Value: %s\n", command, value);
@@ -286,12 +286,12 @@ void Parse_LoRa_UartCommand(char input[], int size)
     if (!strcmp(command, "ENABLE"))
     {
         globals.timer_disabled = false;
-        Debug_pushMessage("Enabled by LoRa");
+        Debug_pushMessage("Enabled by LoRa\n");
     }
     else if (!strcmp(command, "DISABLE"))
     {
         globals.timer_disabled = true;
-        Debug_pushMessage("Disabled by LoRa");
+        Debug_pushMessage("Disabled by LoRa\n");
     }
     else if (!strcmp(command, "RESET"))
     {
@@ -299,7 +299,7 @@ void Parse_LoRa_UartCommand(char input[], int size)
         PersistenceData.faction_1_timer = 0;
         PersistenceData.faction_2_timer = 0;
         PersistenceData.faction_3_timer = 0;
-        Debug_pushMessage("Reset by LoRa");
+        Debug_pushMessage("Reset by LoRa\n");
     }
     else if (!strcmp(command, "TMRSTP"))
     {

Software/src/main.cpp

@@ -19,6 +19,7 @@
 #include "globals.h"
 #include "dtc.h"
 #include "debugger.h"
+#include "utilities.h"
 #if defined(FEATURE_ENABLE_LORA) || defined(FEATURE_ENABLE_UARTLORA)
 #include "lora_net.h"
 #endif
@@ -420,7 +421,7 @@ void tmrCallback_InputGetter()
 
 	if (keysPressed > 1)
 	{
-		Debug_pushMessage("ERROR: More than one Flag active - setting no Faction active");
+		Debug_pushMessage("ERROR: More than one Flag active - setting no Faction active\n");
 		PersistenceData.activeFaction = NONE;
 		return;
 	}
@@ -429,7 +430,7 @@ void tmrCallback_InputGetter()
 	{
 		if (PersistenceData.activeFaction != FACTION_1)
 		{
-			Debug_pushMessage("Faction 1 captured !");
+			Debug_pushMessage("Faction 1 captured !\n");
 			globals.requestEEAction = EE_PDS_SAVE;
 		}
 		PersistenceData.activeFaction = FACTION_1;
@@ -439,7 +440,7 @@ void tmrCallback_InputGetter()
 	{
 		if (PersistenceData.activeFaction != FACTION_2)
 		{
-			Debug_pushMessage("Faction 2 captured !");
+			Debug_pushMessage("Faction 2 captured !\n");
 			globals.requestEEAction = EE_PDS_SAVE;
 		}
 		PersistenceData.activeFaction = FACTION_2;
@@ -449,7 +450,7 @@ void tmrCallback_InputGetter()
 	{
 		if (PersistenceData.activeFaction != FACTION_3)
 		{
-			Debug_pushMessage("Faction 3 captured !");
+			Debug_pushMessage("Faction 3 captured !\n");
 			globals.requestEEAction = EE_PDS_SAVE;
 		}
 		PersistenceData.activeFaction = FACTION_3;
@@ -571,6 +572,7 @@ void wifiMaintainConnectionTicker_callback()
  */
 void toggleWiFiAP(bool shutdown)
 {
+	char buffer[33];
 	// Check if WiFi is currently active
 	if (WiFi.getMode() != WIFI_OFF)
 	{
@@ -588,7 +590,8 @@ void toggleWiFiAP(bool shutdown)
 		// Start WiFi in Access Point (AP) mode
 		WiFi.mode(WIFI_AP);
 		WiFi.softAPConfig(IPAddress(WIFI_AP_IP_GW), IPAddress(WIFI_AP_IP_GW), IPAddress(255, 255, 255, 0));
-		WiFi.softAP(globals.DeviceNameId, QUOTE(WIFI_AP_PASSWORD));
+		sanitizeWiFiString(globals.DeviceNameId, buffer, sizeof(buffer));
+		WiFi.softAP(buffer, QUOTE(WIFI_AP_PASSWORD));
 
 		// Stop WiFi maintenance connection ticker if enabled and display debug messages
 #ifdef FEATURE_ENABLE_WIFI_CLIENT
@@ -701,7 +704,7 @@ void ProcessKeyCombos(bool *btnState)
 
 		if (keyCount_Fac2 == 2 && keyCount_Fac3 == 0)
 		{
-			Debug_pushMessage("KeyCombo: WiFi AP ON");
+			Debug_pushMessage("KeyCombo: WiFi AP ON\n");
 			OverrideDisplay(5000, "NET ", "    ", "    ");
 			toggleWiFiAP(false);
 		}

Software/src/utilities.cpp

@@ -0,0 +1,94 @@
+#include "utilities.h"
+
+/**
+ * @brief Validates whether a given string contains only characters allowed in WiFi SSIDs and passwords.
+ *
+ * This function checks each character in the provided string to ensure
+ * that it contains only characters allowed in WiFi SSIDs and passwords.
+ * It considers characters from 'A' to 'Z', 'a' to 'z', '0' to '9', as well as
+ * the following special characters: ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~
+ *
+ * @param string Pointer to the string to be validated.
+ * @param size Size of the string including the null-terminator.
+ * @return true if the string contains only allowed characters or is NULL,
+ *         false otherwise.
+ */
+bool validateWiFiString(char *string, size_t size)
+{
+    if (string == NULL)
+        return false;
+
+    for (size_t i = 0; i < size; i++)
+    {
+        char c = string[i];
+        if (c == '\0')
+        {
+            // Reached the end of the string, all characters were valid WiFi characters.
+            return true;
+        }
+        if (!((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') ||
+              (c >= '0' && c <= '9') || c == '!' || c == '"' || c == '#' ||
+              c == '$' || c == '%' || c == '&' || c == '\'' || c == '(' ||
+              c == ')' || c == '*' || c == '+' || c == ',' || c == '-' ||
+              c == '.' || c == '/' || c == ':' || c == ';' || c == '<' ||
+              c == '=' || c == '>' || c == '?' || c == '@' || c == '[' ||
+              c == '\\' || c == ']' || c == '^' || c == '_' || c == '`' ||
+              c == '{' || c == '|' || c == '}' || c == '~'))
+        {
+            // Found a character that is not a valid WiFi character.
+            return false;
+        }
+    }
+    // If the loop completes without finding a null terminator, the string is invalid.
+    return false;
+}
+
+/**
+ * @brief Copies a string to a buffer, replacing invalid WiFi SSID characters with a placeholder.
+ *
+ * This function checks each character in the provided input string to ensure
+ * that it contains only characters allowed in WiFi SSIDs and passwords. If a character
+ * is invalid, it replaces it with a placeholder character (e.g., '_').
+ * It considers characters from 'A' to 'Z', 'a' to 'z', '0' to '9', as well as
+ * the following special characters: ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~
+ *
+ * @param input Pointer to the input string to be validated and copied.
+ * @param buffer Pointer to the buffer where the output string will be copied.
+ * @param bufferSize Size of the buffer including the null-terminator.
+ */
+void sanitizeWiFiString(const char *input, char *buffer, size_t bufferSize)
+{
+    if (input == NULL || buffer == NULL || bufferSize == 0)
+        return;
+
+    size_t i;
+    for (i = 0; i < bufferSize - 1; i++) // Leave space for null-terminator
+    {
+        char c = input[i];
+        if (c == '\0')
+        {
+            // Reached the end of the input string, terminate the buffer
+            buffer[i] = '\0';
+            return;
+        }
+        if (!((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') ||
+              (c >= '0' && c <= '9') || c == '!' || c == '"' || c == '#' ||
+              c == '$' || c == '%' || c == '&' || c == '\'' || c == '(' ||
+              c == ')' || c == '*' || c == '+' || c == ',' || c == '-' ||
+              c == '.' || c == '/' || c == ':' || c == ';' || c == '<' ||
+              c == '=' || c == '>' || c == '?' || c == '@' || c == '[' ||
+              c == '\\' || c == ']' || c == '^' || c == '_' || c == '`' ||
+              c == '{' || c == '|' || c == '}' || c == '~'))
+        {
+            // Replace invalid character with placeholder
+            buffer[i] = '_';
+        }
+        else
+        {
+            // Copy valid character to buffer
+            buffer[i] = c;
+        }
+    }
+    // Null-terminate the buffer
+    buffer[i] = '\0';
+}

Software/src/webui.cpp

@@ -497,7 +497,6 @@ void Websocket_HandleSettings(uint8_t *data)
   {
     ConfigData.active_faction_on_reboot = value[0] == '1' ? true : false;
   }
-
   else if (strcmp(identifier, "name_faction1") == 0)
   {
     strncpy(ConfigData.Faction_1_Name, value, sizeof(ConfigData.Faction_1_Name));
@@ -511,10 +510,6 @@ void Websocket_HandleSettings(uint8_t *data)
     strncpy(ConfigData.Faction_3_Name, value, sizeof(ConfigData.Faction_3_Name));
   }
   else if (strcmp(identifier, "batterytype") == 0)
-  {
-    strncpy(ConfigData.wifi_client_ssid, value, sizeof(ConfigData.wifi_client_ssid));
-  }
-  else if (strcmp(identifier, "batterytype") == 0)
   {
     int index = findIndexByString(value, BatteryString, BatteryString_Elements);
     batterytypePreselect = (batteryType_t)index;
@@ -599,7 +594,6 @@ void Websocket_RefreshClientData_DTCs(uint32_t client_id)
  */
 void Websocket_RefreshClientData_Status(uint32_t client_id, bool send_mapping)
 {
-
     if (send_mapping)
     {
         const char mapping[] = "MAPPING_STATUS:"
@@ -618,25 +612,27 @@ void Websocket_RefreshClientData_Status(uint32_t client_id, bool send_mapping)
         Debug_pushMessage("send MAPPING_STATUS WS-Client Data\n");
     }
 
-  String temp = "STATUS:";
+    char dataString[200] = {0}; // Maximal 200 Zeichen für den Data-String
 
-  temp.concat(String(globals.battery_level) + ";");
+    sprintf(dataString, "STATUS:%d;%s;%d;%ld;%ld;%ld;",
-  temp.concat(String(globals.systemStatustxt) + ";");
+            globals.battery_level,
-  temp.concat(String(PersistenceData.activeFaction) + ";");
+            globals.systemStatustxt,
-  temp.concat(String(PersistenceData.faction_1_timer) + ";");
+            PersistenceData.activeFaction,
-  temp.concat(String(PersistenceData.faction_2_timer) + ";");
+            PersistenceData.faction_1_timer,
-  temp.concat(String(PersistenceData.faction_3_timer) + ";");
+            PersistenceData.faction_2_timer,
+            PersistenceData.faction_3_timer);
 
     if (client_id > 0)
     {
-    webSocket.text(client_id, temp);
+        webSocket.text(client_id, dataString);
     }
     else
     {
-    webSocket.textAll(temp);
+        webSocket.textAll(dataString);
     }
 }
 
+
 /**
  * @brief Refreshes client data related to static configuration parameters on WebSocket clients.
  *
@@ -650,6 +646,7 @@ void Websocket_RefreshClientData_Status(uint32_t client_id, bool send_mapping)
 void Websocket_RefreshClientData_Static(uint32_t client_id, bool send_mapping)
 {
 
+  Debug_pushMessage("send STATIC WS-Client Data\n");
   if (send_mapping)
   {
     const char mapping[] = "MAPPING_STATIC:"
@@ -660,32 +657,42 @@ void Websocket_RefreshClientData_Static(uint32_t client_id, bool send_mapping)
                            "name_faction2;"
                            "name_faction3;"
                            "wifi-ssid;"
-                           "wifi-pass;";
+                           "wifi-pass;"
+                           "fw-version;"
+                           "flash-version;"
+                           "git-revison;";
 
     if (client_id > 0)
       webSocket.text(client_id, mapping);
     else
       webSocket.textAll(mapping);
+
+    Debug_pushMessage("send MAPPING_STATIC WS-Client Data\n");
   }
 
-  String temp = "STATIC:";
+  char dataString[200] = {0}; // Maximal 200 Zeichen für den Data-String
 
-  temp.concat(String(globals.DeviceName) + ";");
+  sprintf(dataString, "STATIC:%s;%d;%d;%s;%s;%s;%s;%s;%d.%02d;%s;%s;",
-  temp.concat(String(ConfigData.active_faction_on_reboot) + ";");
+          globals.DeviceName,
-  temp.concat(String(ConfigData.batteryType) + ";");
+          ConfigData.active_faction_on_reboot,
-  temp.concat(String(ConfigData.Faction_1_Name) + ";");
+          ConfigData.batteryType,
-  temp.concat(String(ConfigData.Faction_2_Name) + ";");
+          ConfigData.Faction_1_Name,
-  temp.concat(String(ConfigData.Faction_3_Name) + ";");
+          ConfigData.Faction_2_Name,
-  temp.concat(String(ConfigData.wifi_client_ssid) + ";");
+          ConfigData.Faction_3_Name,
-  temp.concat(String(ConfigData.wifi_client_password) + ";");
+          ConfigData.wifi_client_ssid,
+          ConfigData.wifi_client_password,
+          constants.FW_Version_major,
+          constants.FW_Version_minor,
+          globals.FlashVersion,
+          constants.GitHash);
 
   if (client_id > 0)
   {
-    webSocket.text(client_id, temp);
+    webSocket.text(client_id, dataString);
   }
   else
   {
-    webSocket.textAll(temp);
+    webSocket.textAll(dataString);
   }
 }