Restructured Repo before adding Hardware-Files

Software/src/common.h

@@ -0,0 +1,41 @@
+#ifndef _COMMON_H_
+#define _COMMON_H_
+
+#define Q(x) #x
+#define QUOTE(x) Q(x)
+
+// Module connection pins (ESP GPIO-Nums)
+#define CLK 12
+#define DIO_FAC_1_7SEG 13
+#define DIO_FAC_2_7SEG 17
+#define DIO_FAC_3_7SEG 21
+
+#define DIO_FAC_1_TRG 36
+#define FAC_1_TRG_PRESSED LOW
+#define DIO_FAC_2_TRG 37
+#define FAC_2_TRG_PRESSED LOW
+#define DIO_FAC_3_TRG 38
+#define FAC_3_TRG_PRESSED LOW
+
+#ifndef HOST_NAME
+#define HOST_NAME "DE_Timer_%06X" // Use printf-Formatting - Chip-ID (uin32_t) will be added
+#endif
+
+#ifndef OTA_DELAY
+#define OTA_DELAY 50 // ticks -> 10ms / tick
+#endif
+
+#ifndef ADMIN_PASSWORD
+#error "You need to define ADMIN_PASSWORD for OTA-Update"
+#endif
+#ifndef WIFI_PASSWORD
+#error "You must define an WIFI_PASSWORD for OTA-Update"
+#endif
+#ifndef WIFI_SSID
+#error "You must define an WIFI_SSID for OTA-Update"
+#endif
+#ifndef WIFI_AP_PASSWORD
+#error "You must define an WIFI_AP_PASSWORD for Standalone AP-Mode"
+#endif
+
+#endif

Software/src/config.cpp

@@ -0,0 +1,261 @@
+#include "config.h"
+
+I2C_eeprom ee(0x50, EEPROM_SIZE_BYTES);
+
+configData_t ConfigData;
+persistenceData_t PersistenceData;
+const uint16_t eeVersion = 1; // inc
+boolean eeAvailable = false;
+
+const uint16_t persistencemarker_Adress = 0; // sizeof 4
+const uint16_t startofConfig_Adress = 16;
+const uint16_t startofPersistence_Adress = startofConfig_Adress + sizeof(ConfigData) + (sizeof(ConfigData) % 16);
+
+boolean checkEEPROMavailable();
+
+void InitEEPROM()
+{
+  ee.begin();
+  if (!checkEEPROMavailable())
+  {
+    globals.systemStatus = sysStat_Error;
+    MaintainDTC(DTC_NO_EEPROM_FOUND, true);
+    return;
+  }
+  GetConfig_EEPROM();
+
+  if (ConfigData.EEPROM_Version != eeVersion)
+  {
+    FormatConfig_EEPROM();
+    globals.systemStatus = sysStat_Error;
+    MaintainDTC(DTC_EEPROM_VERSION_BAD, true);
+    return;
+  }
+
+  if (getPersistanceAddress() > ee.getDeviceSize())
+  {
+    FormatPersistence_EEPROM();
+    globals.systemStatus = sysStat_Error;
+    MaintainDTC(DTC_EEPROM_PDS_MARKER_INVALID, true);
+    return;
+  }
+  GetPersistence_EEPROM();
+}
+
+void EEPROM_Process()
+{
+
+  switch (globals.requestEEAction)
+  {
+  case EE_CFG_SAVE:
+    StoreConfig_EEPROM();
+    globals.requestEEAction = EE_IDLE;
+    break;
+  case EE_CFG_LOAD:
+    GetConfig_EEPROM();
+    globals.requestEEAction = EE_IDLE;
+    break;
+  case EE_PDS_SAVE:
+    StorePersistence_EEPROM();
+    globals.requestEEAction = EE_IDLE;
+    break;
+  case EE_PDS_LOAD:
+    GetPersistence_EEPROM();
+    globals.requestEEAction = EE_IDLE;
+    break;
+  case EE_IDLE:
+  default:
+    globals.requestEEAction = EE_IDLE;
+  }
+}
+
+void StoreConfig_EEPROM()
+{
+  ConfigData.checksum = 0;
+  ConfigData.checksum = Checksum_EEPROM((uint8_t *)&ConfigData, sizeof(ConfigData));
+  if (!checkEEPROMavailable())
+    return;
+
+  ee.updateBlock(startofConfig_Adress, (uint8_t *)&ConfigData, sizeof(ConfigData));
+}
+
+void GetConfig_EEPROM()
+{
+  if (!checkEEPROMavailable())
+    return;
+
+  ee.readBlock(startofConfig_Adress, (uint8_t *)&ConfigData, sizeof(ConfigData));
+
+  uint32_t checksum = ConfigData.checksum;
+  ConfigData.checksum = 0;
+
+  if (Checksum_EEPROM((uint8_t *)&ConfigData, sizeof(ConfigData)) != checksum)
+  {
+    MaintainDTC(DTC_EEPROM_CFG_BAD, true);
+    FormatConfig_EEPROM();
+  }
+  ConfigData.checksum = checksum;
+}
+
+uint32_t getPersistanceAddress()
+{
+  uint32_t eePersistenceMarker;
+  ee.readBlock(persistencemarker_Adress, (uint8_t *)&eePersistenceMarker, sizeof(eePersistenceMarker));
+  return eePersistenceMarker;
+}
+
+void updatePersistanceAddress(uint32_t adress)
+{
+  ee.updateBlock(persistencemarker_Adress, (uint8_t *)&adress, sizeof(adress));
+}
+
+void StorePersistence_EEPROM()
+{
+  if (PersistenceData.writeCycleCounter >= EEPROM_ENDURANCE)
+    MovePersistencePage_EEPROM(false);
+  else
+    PersistenceData.writeCycleCounter++;
+
+  PersistenceData.checksum = 0;
+  PersistenceData.checksum = Checksum_EEPROM((uint8_t *)&PersistenceData, sizeof(PersistenceData));
+
+  if (!checkEEPROMavailable())
+    return;
+
+  ee.updateBlock(getPersistanceAddress(), (uint8_t *)&PersistenceData, sizeof(PersistenceData));
+}
+
+void GetPersistence_EEPROM()
+{
+  if (!checkEEPROMavailable())
+    return;
+
+  ee.readBlock(getPersistanceAddress(), (uint8_t *)&PersistenceData, sizeof(PersistenceData));
+
+  uint32_t checksum = PersistenceData.checksum;
+  PersistenceData.checksum = 0;
+
+  if (Checksum_EEPROM((uint8_t *)&PersistenceData, sizeof(PersistenceData)) != checksum)
+  {
+    MaintainDTC(DTC_EEPROM_PDS_BAD, true);
+    FormatPersistence_EEPROM();
+  }
+  PersistenceData.checksum = checksum;
+}
+
+void FormatConfig_EEPROM()
+{
+  configData_t defaults;
+  ConfigData = defaults;
+  ConfigData.EEPROM_Version = eeVersion;
+  StoreConfig_EEPROM();
+}
+
+void FormatPersistence_EEPROM()
+{
+  persistenceData_t defaults;
+  PersistenceData = defaults;
+  updatePersistanceAddress(startofPersistence_Adress);
+  StorePersistence_EEPROM();
+}
+
+void MovePersistencePage_EEPROM(boolean reset)
+{
+  if (!checkEEPROMavailable())
+    return;
+
+  if (reset)
+  {
+    updatePersistanceAddress(startofPersistence_Adress);
+  }
+  else
+  {
+    uint32_t newPersistenceMarker = getPersistanceAddress() + sizeof(PersistenceData);
+
+    // check if we reached the End of the EEPROM and Startover at the beginning
+    if ((newPersistenceMarker + sizeof(PersistenceData)) > ee.getDeviceSize())
+    {
+      MaintainDTC(DTC_EEPROM_WORNOUT, true);
+      return;
+    }
+    else
+    {
+      updatePersistanceAddress(newPersistenceMarker);
+      PersistenceData.writeCycleCounter = 0;
+    }
+  }
+}
+
+uint32_t GetEESize()
+{
+  return ee.getDeviceSize();
+}
+
+uint32_t Checksum_EEPROM(uint8_t const *data, size_t len)
+{
+  if (data == NULL)
+    return 0;
+  uint32_t crc, mask;
+  crc = 0xFFFFFFFF;
+
+  while (len--)
+  {
+    crc ^= *data++;
+    for (uint8_t k = 0; k < 8; k++)
+    {
+      mask = -(crc & 1);
+      crc = (crc >> 1) ^ (0xEDB88320 & mask);
+    }
+  }
+  return ~crc;
+}
+
+void dumpEEPROM(uint16_t memoryAddress, uint16_t length)
+{
+#define BLOCK_TO_LENGTH 16
+
+  if (length > ee.getDeviceSize())
+    length = ee.getDeviceSize();
+
+  if (memoryAddress + length > ee.getDeviceSize())
+    return;
+
+  if (!checkEEPROMavailable())
+    return;
+
+  char ascii_buf[BLOCK_TO_LENGTH + 1];
+  sprintf(ascii_buf, "%*s", BLOCK_TO_LENGTH, "ASCII");
+  Serial.print(PSTR("\nAddress "));
+  for (int x = 0; x < BLOCK_TO_LENGTH; x++)
+    Serial.printf("%3d", x);
+
+  memoryAddress = memoryAddress / BLOCK_TO_LENGTH * BLOCK_TO_LENGTH;
+  length = (length + BLOCK_TO_LENGTH - 1) / BLOCK_TO_LENGTH * BLOCK_TO_LENGTH;
+
+  for (unsigned int i = 0; i < length; i++)
+  {
+    int blockpoint = memoryAddress % BLOCK_TO_LENGTH;
+    if (blockpoint == 0)
+    {
+      ascii_buf[BLOCK_TO_LENGTH] = 0;
+      Serial.printf("  %s", ascii_buf);
+      Serial.printf("\n0x%05X:", memoryAddress);
+    }
+    ascii_buf[blockpoint] = ee.readByte(memoryAddress);
+    Serial.printf(" %02X", ascii_buf[blockpoint]);
+    if (ascii_buf[blockpoint] < 0x20 || ascii_buf[blockpoint] > 0x7E)
+      ascii_buf[blockpoint] = '.';
+    memoryAddress++;
+  }
+  Serial.println();
+}
+
+boolean checkEEPROMavailable()
+{
+  if (!ee.isConnected())
+  {
+    MaintainDTC(DTC_NO_EEPROM_FOUND, true);
+    return false;
+  }
+  return true;
+}

Software/src/config.h

@@ -0,0 +1,69 @@
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+#include <Arduino.h>
+#include <Wire.h>
+#include <I2C_eeprom.h>
+
+#include "globals.h"
+#include "dtc.h"
+
+#define EEPROM_SIZE_BYTES I2C_DEVICESIZE_24LC01
+#define EEPROM_ENDURANCE 1000000
+
+typedef enum
+{
+  NONE,
+  FACTION_1,
+  FACTION_2,
+  FACTION_3
+} factions_t;
+
+typedef struct
+{
+  uint32_t writeCycleCounter = 0;
+  uint32_t faction_1_timer = 0;
+  uint32_t faction_2_timer = 0;
+  uint32_t faction_3_timer = 0;
+  factions_t activeFaction = NONE;
+  uint32_t checksum = 0;
+} persistenceData_t;
+
+typedef enum
+{
+  BATTERY_UNDEFINED,
+  BATTERY_LIPO_2S,
+  BATTERY_LIPO_3S
+} batteryType_t;
+
+const char BatteryString[][10]{
+  "Undefined",
+  "LiPo 2S",
+  "LiPo 3S"
+};
+
+typedef struct
+{
+  uint8_t EEPROM_Version = 1;
+  batteryType_t batteryType = BATTERY_UNDEFINED;
+  uint32_t checksum = 0;
+} configData_t;
+
+void InitEEPROM();
+void EEPROM_Process();
+void StoreConfig_EEPROM();
+void GetConfig_EEPROM();
+void StorePersistence_EEPROM();
+void GetPersistence_EEPROM();
+void FormatConfig_EEPROM();
+void FormatPersistence_EEPROM();
+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 getPersistanceAddress();
+void updatePersistanceAddress(uint32_t adress);
+uint32_t GetEESize();
+
+extern configData_t ConfigData;
+extern persistenceData_t PersistenceData;
+#endif // _CONFIG_H_

Software/src/defaults.h

@@ -0,0 +1,48 @@
+#ifndef _DEFAULTS_H_
+#define _DEFAULTS_H_
+
+#ifndef WIFI_CLIENT
+#define WIFI_ACCESSPOINT
+#endif
+
+#if defined(WIFI_CLIENT) && defined(WIFI_ACCESSPOINT)
+#error "You can't define AP and CLIENT at the same Time!"
+#endif
+
+#ifndef WIFI_SSID
+#define WIFI_SSID "3 Factions CTF Timer"
+#endif
+
+#ifndef WIFI_PASS
+#define WIFI_PASS "CaptureTheFlag"
+#endif
+
+#ifndef OTA_PASS
+#define OTA_PASS "UploadTheFlag"
+#endif
+
+#ifndef OTA_HOST
+#define OTA_HOST "ESP_OTA"
+#endif
+
+#ifndef DEVICE_NAME
+#define DEVICE_NAME WIFI_SSID
+#endif
+
+#ifndef BAT_LOW_PERCENT
+#define BAT_LOW_PERCENT 10
+#endif
+
+#ifndef FACTION_1_NAME
+#define FACTION_1_NAME "Team A" 
+#endif
+
+#ifndef FACTION_2_NAME
+#define FACTION_2_NAME "Team B" 
+#endif
+
+#ifndef FACTION_3_NAME
+#define FACTION_3_NAME "Team C" 
+#endif
+
+#endif

Software/src/dtc.cpp

@@ -0,0 +1,85 @@
+#include "dtc.h"
+
+DTCEntry_s DTCStorage[MAX_DTC_STORAGE];
+
+void MaintainDTC(DTCNums_t DTC_no, boolean active)
+{
+    for (int i = 0; i < MAX_DTC_STORAGE; i++)
+    {
+        if (DTCStorage[i].Number == DTC_no)
+        {
+            if (active && DTCStorage[i].active != DTC_ACTIVE)
+            {
+                Serial.printf("DTC gone active: %d", DTC_no);
+                DTCStorage[i].timestamp = millis();
+                DTCStorage[i].active = DTC_ACTIVE;
+            }
+            if (!active && DTCStorage[i].active == DTC_ACTIVE)
+            {
+                Serial.printf("DTC gone previous: %d", DTC_no);
+                DTCStorage[i].active = DTC_PREVIOUS;
+            }
+            return;
+        }
+    }
+
+    // DTC was not found with upper iteration, but is active
+    // so we need to look for free space to store DTC
+    if (active == true)
+    {
+        for (int i = 0; i < MAX_DTC_STORAGE; i++)
+        {
+            if (DTCStorage[i].Number == DTC_LAST_DTC)
+            {
+                Serial.printf("new DTC registered: %d", DTC_no);
+                DTCStorage[i].Number = DTC_no;
+                DTCStorage[i].timestamp = millis();
+                DTCStorage[i].active = DTC_ACTIVE;
+                return;
+            }
+        }
+    }
+}
+
+void ClearDTC(DTCNums_t DTC_no)
+{
+    for (int i = 0; i < MAX_DTC_STORAGE; i++)
+    {
+        if (DTCStorage[i].Number == DTC_no)
+        {
+            DTCStorage[i].Number = DTC_LAST_DTC;
+            DTCStorage[i].active = DTC_NONE;
+            DTCStorage[i].timestamp = 0;
+        }
+    }
+}
+
+void ClearAllDTC()
+{
+    for (int i = 0; i < MAX_DTC_STORAGE; i++)
+    {
+        DTCStorage[i].Number = DTC_LAST_DTC;
+        DTCStorage[i].active = DTC_NONE;
+        DTCStorage[i].timestamp = 0;
+    }
+}
+
+DTCNums_t getlastDTC(boolean only_active)
+{
+    int8_t pointer = -1;
+    uint32_t lasttimestamp = 0;
+
+    for (int i = 0; i < MAX_DTC_STORAGE; i++)
+    {
+        if (DTCStorage[i].Number > 0 && DTCStorage[i].timestamp > lasttimestamp)
+        {
+            if (only_active == false || DTCStorage[i].active == DTC_ACTIVE)
+            {
+                pointer = i;
+                lasttimestamp = DTCStorage[i].timestamp;
+            }
+        }
+    }
+
+    return pointer >= 0 ? DTCStorage[pointer].Number : DTC_LAST_DTC;
+}

Software/src/dtc.h

@@ -0,0 +1,39 @@
+#ifndef _DTC_H_
+#define _DTC_H_
+
+#include <Arduino.h>
+
+#define MAX_DTC_STORAGE 6
+
+typedef enum DTCNums_e
+{
+  DTC_NO_EEPROM_FOUND,
+  DTC_EEPROM_CFG_BAD,
+  DTC_EEPROM_PDS_BAD,
+  DTC_EEPROM_VERSION_BAD,
+  DTC_EEPROM_WORNOUT,                 // this will happen if the EEPROM-cells are all overwritten 1 million times!
+  DTC_EEPROM_PDS_MARKER_INVALID,      // This happens if the Marker of the PersistanceData was pointing to an EE-Adress bigger than the used EEPROM-IC
+  DTC_LAST_DTC
+} DTCNums_t;
+
+typedef enum DTCActive_e
+{
+  DTC_ACTIVE,
+  DTC_PREVIOUS,
+  DTC_NONE
+} DTCActive_t;
+
+typedef struct DTCEntry_s
+{
+  DTCNums_t Number;
+  uint32_t timestamp;
+  DTCActive_t active;
+} DTCEntry_t;
+
+void MaintainDTC(DTCNums_t DTC_no, boolean active);
+void ClearDTC(DTCNums_t DTC_no);
+void ClearAllDTC();
+DTCNums_t getlastDTC(boolean only_active);
+
+extern DTCEntry_s DTCStorage[MAX_DTC_STORAGE];
+#endif

Software/src/globals.h

@@ -0,0 +1,36 @@
+#ifndef _GLOBALS_H_
+#define _GLOBALS_H_
+
+#include <Arduino.h>
+
+typedef enum eSystem_Status
+{
+  sysStat_Startup,
+  sysStat_Normal,
+  sysStat_Error,
+  sysStat_Shutdown
+} tSystem_Status;
+
+typedef enum eEERequest
+{
+  EE_IDLE,
+  EE_CFG_SAVE,
+  EE_CFG_LOAD,
+  EE_PDS_SAVE,
+  EE_PDS_LOAD
+} tEERequest;
+
+typedef struct Globals_s
+{
+  char DeviceName[33];
+  char DeviceName_ID[43];
+  tSystem_Status systemStatus = sysStat_Startup;
+  tSystem_Status resumeStatus = sysStat_Startup;
+  eEERequest requestEEAction = EE_IDLE;
+  float loadvoltage = 0;
+  int battery_level = 0;
+} Globals_t;
+
+extern Globals_t globals;
+
+#endif

Software/src/lora_net.cpp

@@ -0,0 +1,20 @@
+#include "lora_net.h"
+
+uint8_t LoRa_Init()
+{
+  uint8_t success = false;
+  // SPI LoRa pins
+  SPI.begin(LORA_SCK, LORA_MISO, LORA_MOSI, LORA_SS);
+  // setup LoRa transceiver module
+  LoRa.setPins(LORA_SS, LORA_RST, LORA_DIO0);
+
+  if (!LoRa.begin(LORA_BAND))
+  {
+    Serial.println("Starting LoRa failed!");
+    success = false;
+  }
+  Serial.println("LoRa Initializing OK!");
+  success = true;
+
+  return success;
+}

Software/src/lora_net.h

@@ -0,0 +1,23 @@
+#ifndef _LORA_NET_H_
+#define _LORA_NET_H_
+
+#include <Arduino.h>
+#include <SPI.h>
+#include <LoRa.h>
+
+// define the pins used by the LoRa transceiver module
+#define LORA_SCK 5
+#define LORA_MISO 19
+#define LORA_MOSI 27
+#define LORA_SS 18
+#define LORA_RST 14
+#define LORA_DIO0 26
+
+// 433E6 for Asia
+// 866E6 for Europe
+// 915E6 for North America
+#define LORA_BAND 8681E5
+
+uint8_t LoRa_Init();
+
+#endif

Software/src/main.cpp

@@ -0,0 +1,513 @@
+#include <Arduino.h>
+#include <TM1637Display.h>
+#include <Ticker.h>
+#include <DNSServer.h>
+#include <WiFi.h>
+#include <AsyncTCP.h>
+#include <ESPmDNS.h>
+#include <ArduinoOTA.h>
+#include <ESPAsyncWebServer.h>
+#include <LittleFS.h>
+#include <Wire.h>
+#include <Adafruit_INA219.h>
+#include <ArduinoJson.h>
+
+// local includes
+#include "defaults.h"
+#include "webui.h"
+#include "config.h"
+#include "globals.h"
+#include "dtc.h"
+#include "common.h"
+#include "lora_net.h"
+#include "oled_display.h"
+
+#ifdef WIFI_CLIENT
+#include <WiFiMulti.h>
+
+const char *ssid = QUOTE(WIFI_SSID);
+const char *password = QUOTE(WIFI_PASSWORD);
+const uint32_t connectTimeoutMs = 5000;
+
+WiFiMulti wifiMulti;
+#endif
+
+void SevenSeg_Output();
+void FactionTicker_callback();
+void inputGetterTicker_callback();
+void powerMonitorTicker_callback();
+void EEPROMCyclicPDS_callback();
+void toggleWiFiAP(boolean shutdown = false);
+void SystemShutdown();
+void SetBatteryType(batteryType_t type);
+void ProcessKeyCombos();
+void OverrideDisplay(const uint8_t *message, uint32_t time);
+void LoRaPublish_callback();
+
+#ifdef WIFI_CLIENT
+void wifiMaintainConnectionTicker_callback();
+Ticker WiFiMaintainConnectionTicker(wifiMaintainConnectionTicker_callback, 1000, 0, MILLIS);
+#endif
+
+uint32_t getESPChipID();
+
+TM1637Display disp_FAC_1(CLK, DIO_FAC_1_7SEG);
+TM1637Display disp_FAC_2(CLK, DIO_FAC_2_7SEG);
+TM1637Display disp_FAC_3(CLK, DIO_FAC_3_7SEG);
+
+Adafruit_INA219 ina219;
+
+#ifdef CAPTIVE
+DNSServer dnsServer;
+#endif
+AsyncWebServer server(80);
+
+Ticker FactionTicker(FactionTicker_callback, 1000, 0, MILLIS);
+Ticker InputGetterTicker(inputGetterTicker_callback, 250, 0, MILLIS);
+Ticker PowerMonitorTicker(powerMonitorTicker_callback, 5000, 0, MILLIS);
+Ticker EEPROMCyclicPDSTicker(EEPROMCyclicPDS_callback, 60000, 0, MILLIS);
+Ticker LoRaPublishTicker(LoRaPublish_callback, 60000, 0, MILLIS);
+
+uint8_t Faction_1_dot = 0;
+uint8_t Faction_2_dot = 0;
+uint8_t Faction_3_dot = 0;
+
+uint32_t DisplayOverrideFlag = 0;
+uint8_t *DisplayOverrideValue = 0;
+
+Globals_t globals;
+
+const uint8_t sevenSeg_bat[] = {0x00, 0b01111100, 0b01110111, 0b01111000};
+const uint8_t sevenSeg_low[] = {0b00111000, 0b01011100, 0x00, 0x00};
+const uint8_t sevenSeg_net[] = {0b01010100, 0b01111001, 0b01111000, 0x00};
+const uint8_t sevenSeg_ota[] = {0x3F, 0x78, 0x77, 0x00};
+const uint8_t sevenSeg_flsh[] = {0x71, 0x38, 0x6D, 0x76};
+const uint8_t sevenSeg_file[] = {0x71, 0x30, 0x38, 0x79};
+
+void setup()
+{
+  setCpuFrequencyMhz(80);
+  WiFi.setAutoReconnect(false);
+  WiFi.persistent(false);
+  WiFi.disconnect();
+
+  Serial.begin(115200);
+  Serial.print("\n\n\n");
+
+  strcpy(globals.DeviceName, DEVICE_NAME);
+  snprintf(globals.DeviceName_ID, 42, "%s_%08X", globals.DeviceName, getESPChipID());
+
+  if (LoRa_Init())
+    LoRaPublishTicker.start();
+  OLED_Init();
+
+  pinMode(DIO_FAC_1_TRG, INPUT_PULLUP);
+  pinMode(DIO_FAC_2_TRG, INPUT_PULLUP);
+  pinMode(DIO_FAC_3_TRG, INPUT_PULLUP);
+
+#ifdef SERIAL_DEBUG
+  Serial.setDebugOutput(true);
+#endif
+
+  if (ina219.begin())
+    PowerMonitorTicker.start();
+  else
+    Serial.println("Failed to find INA219 chip");
+
+  LittleFS.begin();
+
+#ifdef WIFI_CLIENT
+  WiFi.mode(WIFI_STA);
+  WiFi.setHostname(globals.DeviceName_ID);
+  wifiMulti.addAP(QUOTE(WIFI_SSID), QUOTE(WIFI_PASSWORD));
+  WiFiMaintainConnectionTicker.start();
+#else
+  WiFi.mode(WIFI_AP);
+  WiFi.begin(QUOTE(DEVICE_NAME), QUOTE(WIFI_AP_PASSWORD));
+  WiFi.setSleep(true);
+  WiFi.mode(WIFI_OFF);
+#endif
+
+  InitEEPROM();
+
+  ArduinoOTA.setPort(8266);
+  ArduinoOTA.setHostname(globals.DeviceName_ID);
+  ArduinoOTA.setPassword(QUOTE(ADMIN_PASSWORD));
+
+  ArduinoOTA.onStart([]()
+                     {
+                       disp_FAC_1.setBrightness(7);
+                       disp_FAC_2.setBrightness(7);
+                       disp_FAC_3.setBrightness(7);
+                       disp_FAC_1.setSegments(sevenSeg_ota);
+                       disp_FAC_3.clear();
+                       
+                       if (ArduinoOTA.getCommand() == U_FLASH)
+                       {
+                         disp_FAC_2.setSegments(sevenSeg_flsh);
+                       }
+                       else
+                       {
+                         disp_FAC_2.setSegments(sevenSeg_file);
+                         LittleFS.end();
+                       } });
+
+  ArduinoOTA.onEnd([]()
+                   { 
+                       const uint8_t seg_done[] = {0x5E, 0x3F, 0x54, 0x79};
+                       disp_FAC_1.setSegments(seg_done);
+                       disp_FAC_2.clear();
+                       disp_FAC_3.clear(); });
+
+  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total)
+                        { disp_FAC_3.showNumberDecEx((progress / (total / 100))); });
+
+  ArduinoOTA.onError([](ota_error_t error)
+                     {
+                       Serial.printf("Error[%u]: ", error);
+                       if (error == OTA_AUTH_ERROR)
+                         Serial.println("Auth Failed");
+                       else if (error == OTA_BEGIN_ERROR)
+                         Serial.println("Begin Failed");
+                       else if (error == OTA_CONNECT_ERROR)
+                         Serial.println("Connect Failed");
+                       else if (error == OTA_RECEIVE_ERROR)
+                         Serial.println("Receive Failed");
+                       else if (error == OTA_END_ERROR)
+                         Serial.println("End Failed"); });
+  ArduinoOTA.begin();
+
+#ifdef CAPTIVE
+  dnsServer.start(53, "*", WiFi.softAPIP());
+#endif
+
+  initWebUI();
+
+  EEPROMCyclicPDSTicker.start();
+  FactionTicker.start();
+  InputGetterTicker.start();
+  Serial.println("Setup Done");
+}
+
+void loop()
+{
+  EEPROMCyclicPDSTicker.update();
+  FactionTicker.update();
+  InputGetterTicker.update();
+  PowerMonitorTicker.update();
+  LoRaPublishTicker.update();
+  ArduinoOTA.handle();
+  SevenSeg_Output();
+  EEPROM_Process();
+  OLED_Process();
+
+#ifdef CAPTIVE
+  dnsServer.processNextRequest();
+#endif
+#ifdef WIFI_CLIENT
+  WiFiMaintainConnectionTicker.update();
+#endif
+  if (globals.systemStatus == sysStat_Shutdown)
+    SystemShutdown();
+  yield();
+}
+
+String macToString(const unsigned char *mac)
+{
+  char buf[20];
+  snprintf(buf, sizeof(buf), "%02x:%02x:%02x:%02x:%02x:%02x",
+           mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+  return String(buf);
+}
+
+void SevenSeg_Output()
+{
+  if (DisplayOverrideFlag > millis())
+  {
+    disp_FAC_1.setBrightness(7);
+    disp_FAC_2.setBrightness(7);
+    disp_FAC_3.setBrightness(7);
+    disp_FAC_1.setSegments(DisplayOverrideValue);
+    disp_FAC_2.clear();
+    disp_FAC_3.clear();
+  }
+  else
+  {
+    if (globals.battery_level < BAT_LOW_PERCENT && millis() % 10000 > 7000)
+    {
+      disp_FAC_1.setBrightness(0);
+      disp_FAC_2.setBrightness(0);
+      disp_FAC_3.setBrightness(0);
+
+      disp_FAC_1.setSegments(sevenSeg_bat);
+      disp_FAC_2.setSegments(sevenSeg_low);
+      if (millis() % 3000 < 1500)
+        disp_FAC_3.showNumberDec(globals.battery_level);
+      else
+        disp_FAC_3.showNumberDecEx(globals.loadvoltage * 100, 0x40);
+    }
+    else
+    {
+      disp_FAC_1.setBrightness(PersistenceData.activeFaction == FACTION_1 ? 7 : 0);
+      disp_FAC_2.setBrightness(PersistenceData.activeFaction == FACTION_2 ? 7 : 0);
+      disp_FAC_3.setBrightness(PersistenceData.activeFaction == FACTION_3 ? 7 : 0);
+
+      disp_FAC_1.showNumberDecEx(PersistenceData.faction_1_timer / 60, Faction_1_dot, true, 4, 0);
+      disp_FAC_2.showNumberDecEx(PersistenceData.faction_2_timer / 60, Faction_2_dot, true, 4, 0);
+      disp_FAC_3.showNumberDecEx(PersistenceData.faction_3_timer / 60, Faction_3_dot, true, 4, 0);
+    }
+  }
+}
+
+void FactionTicker_callback()
+{
+  switch (PersistenceData.activeFaction)
+  {
+  case FACTION_1:
+    PersistenceData.faction_1_timer++;
+    Faction_1_dot = Faction_1_dot == 0x80 || Faction_1_dot == 0x00 ? 0x10 : Faction_1_dot << 1;
+    Faction_2_dot = 0;
+    Faction_3_dot = 0;
+    break;
+
+  case FACTION_2:
+    PersistenceData.faction_2_timer++;
+    Faction_2_dot = Faction_2_dot == 0x80 || Faction_2_dot == 0x00 ? 0x10 : Faction_2_dot << 1;
+    Faction_1_dot = 0;
+    Faction_3_dot = 0;
+    break;
+
+  case FACTION_3:
+    PersistenceData.faction_3_timer++;
+    Faction_3_dot = Faction_3_dot == 0x80 || Faction_3_dot == 0x00 ? 0x10 : Faction_3_dot << 1;
+    Faction_1_dot = 0;
+    Faction_2_dot = 0;
+    break;
+
+  default:
+    break;
+  }
+}
+
+void inputGetterTicker_callback()
+{
+  ProcessKeyCombos();
+
+  uint8_t keysPressed = 0;
+
+  keysPressed = +digitalRead(DIO_FAC_1_TRG) == FAC_1_TRG_PRESSED ? 1 : 0;
+  keysPressed = +digitalRead(DIO_FAC_2_TRG) == FAC_2_TRG_PRESSED ? 1 : 0;
+  keysPressed = +digitalRead(DIO_FAC_3_TRG) == FAC_3_TRG_PRESSED ? 1 : 0;
+
+  if (keysPressed > 1)
+  {
+    Serial.println("ERROR: More than one Flag active - setting no Faction active");
+    PersistenceData.activeFaction = NONE;
+    return;
+  }
+
+  if (digitalRead(DIO_FAC_1_TRG) == FAC_1_TRG_PRESSED)
+    PersistenceData.activeFaction = FACTION_1;
+
+  if (digitalRead(DIO_FAC_2_TRG) == FAC_2_TRG_PRESSED)
+    PersistenceData.activeFaction = FACTION_2;
+
+  if (digitalRead(DIO_FAC_3_TRG) == FAC_3_TRG_PRESSED)
+    PersistenceData.activeFaction = FACTION_3;
+}
+
+void powerMonitorTicker_callback()
+{
+  // loadvoltage and percentage is global, because of battery Monitoring
+
+  const int bat_min_2s = 680;
+  const int bat_max_2s = 840;
+  const int bat_min_3s = 1020;
+  const int bat_max_3s = 1260;
+
+  float shuntvoltage = 0;
+  float current_mA = 0;
+  float busvoltage = 0;
+  float power_mW = 0;
+  int battery_level = 0;
+
+  shuntvoltage = ina219.getShuntVoltage_mV();
+  busvoltage = ina219.getBusVoltage_V();
+  current_mA = ina219.getCurrent_mA();
+  power_mW = ina219.getPower_mW();
+  globals.loadvoltage = busvoltage + (shuntvoltage / 1000);
+  switch (ConfigData.batteryType)
+  {
+  case BATTERY_LIPO_2S:
+    battery_level = map(globals.loadvoltage * 100, bat_min_2s, bat_max_2s, 0, 100);
+    globals.battery_level = battery_level < 0 ? 0 : battery_level;
+    break;
+  case BATTERY_LIPO_3S:
+    battery_level = map(globals.loadvoltage * 100, bat_min_3s, bat_max_3s, 0, 100);
+    globals.battery_level = battery_level < 0 ? 0 : battery_level;
+    break;
+  default:
+    globals.battery_level = -1;
+    break;
+  }
+
+  // Serial.printf("Battery Level: %d %%\n", globals.battery_level);
+  // Serial.printf("Bus Voltage: %f V\n", busvoltage);
+  // Serial.printf("Shunt Voltage: %f mV\n", shuntvoltage);
+  // Serial.printf("Load Voltage: %f V\n", globals.loadvoltage);
+  // Serial.printf("Current: %f mA\n", current_mA);
+  // Serial.printf("Power: %f mW\n", power_mW);
+}
+
+void EEPROMCyclicPDS_callback()
+{
+  StorePersistence_EEPROM();
+}
+
+#ifdef WIFI_CLIENT
+void wifiMaintainConnectionTicker_callback()
+{
+  static uint32_t WiFiFailCount = 0;
+  const uint32_t WiFiFailMax = 20;
+
+  if (wifiMulti.run(connectTimeoutMs) == WL_CONNECTED)
+  {
+    return;
+  }
+  else
+  {
+    if (WiFiFailCount < WiFiFailMax)
+      WiFiFailCount++;
+    else
+      toggleWiFiAP(false);
+  }
+}
+#endif
+
+void toggleWiFiAP(boolean shutdown)
+{
+  if (WiFi.getMode() != WIFI_OFF && shutdown == true)
+  {
+    WiFi.mode(WIFI_OFF);
+#ifdef WIFI_CLIENT
+    WiFiMaintainConnectionTicker.stop();
+#endif
+  }
+  else if (shutdown == false)
+  {
+    WiFi.mode(WIFI_AP);
+    WiFi.softAPConfig(IPAddress(WIFI_AP_IP_GW), IPAddress(WIFI_AP_IP_GW), IPAddress(255, 255, 255, 0));
+    WiFi.softAP(globals.DeviceName_ID, QUOTE(WIFI_AP_PASSWORD));
+#ifdef WIFI_CLIENT
+    WiFiMaintainConnectionTicker.stop();
+#endif
+  }
+}
+
+void SystemShutdown()
+{
+  StoreConfig_EEPROM();
+  ESP.restart();
+}
+
+void SetBatteryType(batteryType_t type)
+{
+  if (ConfigData.batteryType != type)
+  {
+    ConfigData.batteryType = type;
+    globals.requestEEAction = EE_CFG_SAVE;
+    Serial.printf("Set Batterytype to %s\n", type == BATTERY_LIPO_2S ? "2s Lipo" : "3s LiPo");
+  }
+}
+
+void ProcessKeyCombos()
+{
+  typedef enum
+  {
+    KEY_PRESSED,
+    KEY_RELEASED
+  } keyStatus_t;
+
+  static keyStatus_t keyStatus_Fac1 = KEY_RELEASED;
+  static uint8_t keyCount_Fac1 = 0;
+  static keyStatus_t keyStatus_Fac2 = KEY_RELEASED;
+  static uint8_t keyCount_Fac2 = 0;
+  static keyStatus_t keyStatus_Fac3 = KEY_RELEASED;
+
+  if (digitalRead(DIO_FAC_3_TRG) == FAC_3_TRG_PRESSED)
+  {
+    keyStatus_Fac3 = KEY_PRESSED;
+
+    // Process FactionKey 1 ComboCounter
+    if (digitalRead(DIO_FAC_1_TRG) == FAC_1_TRG_PRESSED && keyStatus_Fac1 == KEY_RELEASED)
+    {
+      keyStatus_Fac1 = KEY_PRESSED;
+      keyCount_Fac1++;
+    }
+
+    if (digitalRead(DIO_FAC_1_TRG) != FAC_1_TRG_PRESSED)
+      keyStatus_Fac1 = KEY_RELEASED;
+
+    // Process FactionKey 2 ComboCounter
+    if (digitalRead(DIO_FAC_2_TRG) == FAC_2_TRG_PRESSED && keyStatus_Fac2 == KEY_RELEASED)
+    {
+      keyStatus_Fac2 = KEY_PRESSED;
+      keyCount_Fac2++;
+    }
+
+    if (digitalRead(DIO_FAC_2_TRG) != FAC_2_TRG_PRESSED)
+      keyStatus_Fac2 = KEY_RELEASED;
+  }
+
+  if (digitalRead(DIO_FAC_3_TRG) != FAC_3_TRG_PRESSED && keyStatus_Fac3 == KEY_PRESSED)
+  {
+    Serial.printf("KeyCombo 1: %d | 2: %d\n", keyCount_Fac1, keyCount_Fac2);
+
+    if (keyCount_Fac1 == 2 && keyCount_Fac2 == 2)
+    {
+      Serial.println("KeyCombo: WiFi AP ON");
+      OverrideDisplay(sevenSeg_net, 5000);
+      toggleWiFiAP(false);
+    }
+
+    keyCount_Fac1 = 0;
+    keyCount_Fac2 = 0;
+    keyStatus_Fac1 = KEY_RELEASED;
+    keyStatus_Fac2 = KEY_RELEASED;
+    keyStatus_Fac3 = KEY_RELEASED;
+  }
+}
+
+void OverrideDisplay(const uint8_t *message, uint32_t time)
+{
+  DisplayOverrideFlag = millis() + time;
+  DisplayOverrideValue = (uint8_t *)message;
+}
+
+uint32_t getESPChipID()
+{
+  uint32_t chipId;
+  for (int i = 0; i < 17; i = i + 8)
+  {
+    chipId |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
+  }
+  return chipId;
+}
+#
+void LoRaPublish_callback()
+{
+
+  StaticJsonDocument<200> doc;
+
+  doc["lipo"] = globals.battery_level;
+  doc["afact"] = PersistenceData.activeFaction;
+  doc["fac1"] = PersistenceData.faction_1_timer;
+  doc["fac2"] = PersistenceData.faction_2_timer;
+  doc["fac3"] = PersistenceData.faction_3_timer;
+
+  LoRa.beginPacket();
+  serializeJson(doc, LoRa);
+  LoRa.endPacket();
+
+  Serial.printf("Sendet LoRa-Status Package\n");
+}

Software/src/oled_display.cpp

@@ -0,0 +1,42 @@
+#include "oled_display.h"
+
+Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RST);
+
+void OLED_Init()
+{
+
+    // reset OLED display via software
+    pinMode(OLED_RST, OUTPUT);
+    digitalWrite(OLED_RST, LOW);
+    delay(20);
+    digitalWrite(OLED_RST, HIGH);
+
+    // initialize OLED
+    Wire.begin(OLED_SDA, OLED_SCL);
+    if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3c, false, false))
+    { // Address 0x3C for 128x32
+        Serial.println(F("SSD1306 allocation failed"));
+    }
+
+    display.clearDisplay();
+    display.setTextColor(WHITE);
+    display.setTextSize(1);
+    display.setCursor(0, 0);
+    display.print("DISPLAY INIT");
+    display.display();
+}
+
+void OLED_Process()
+{
+
+    display.clearDisplay();
+    display.setCursor(0, 0);
+    display.printf("LiPo: %d%%\n", globals.battery_level);
+    display.print(PersistenceData.activeFaction == FACTION_1 ? "> " : "  ");
+    display.printf("%-5s: %02d:%02d:%02d\n", FACTION_1_NAME, PersistenceData.faction_1_timer / 3600, (PersistenceData.faction_1_timer / 60) % 60, PersistenceData.faction_1_timer % 60);
+    display.print(PersistenceData.activeFaction == FACTION_2 ? "> " : "  ");
+    display.printf("%-5s: %02d:%02d:%02d\n", FACTION_2_NAME, PersistenceData.faction_2_timer / 3600, (PersistenceData.faction_2_timer / 60) % 60, PersistenceData.faction_2_timer % 60);
+    display.print(PersistenceData.activeFaction == FACTION_3 ? "> " : "  ");
+    display.printf("%-5s: %02d:%02d:%02d\n", FACTION_3_NAME, PersistenceData.faction_3_timer / 3600, (PersistenceData.faction_3_timer / 60) % 60, PersistenceData.faction_3_timer % 60);
+    display.display();
+}

Software/src/oled_display.h

@@ -0,0 +1,20 @@
+#ifndef _OLED_DISPLAY_H_
+#define _OLED_DISPLAY_H_
+
+#include <Arduino.h>
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+#include "globals.h"
+#include "config.h"
+
+#define OLED_SDA 4
+#define OLED_SCL 15
+#define OLED_RST 16
+#define SCREEN_WIDTH 128 // OLED display width, in pixels
+#define SCREEN_HEIGHT 64 // OLED display height, in pixels
+
+void OLED_Init();
+void OLED_Process();
+
+#endif

Software/src/webui.cpp

@@ -0,0 +1,209 @@
+#include "webui.h"
+
+AsyncWebServer webServer(80);
+
+typedef enum
+{
+  RESPMSG_HIDE,
+  RESPMSG_SUCCESS,
+  RESPMSG_INFO,
+  RESPMSG_WARNING,
+  RESPMSG_DANGER
+} statusResponseMessage_Type_t;
+char StatusResponseMessage[64];
+statusResponseMessage_Type_t StatusResponseMessage_Type = RESPMSG_INFO;
+
+String processor(const String &var);
+void WebserverPOST_Callback(AsyncWebServerRequest *request);
+void WebserverNotFound_Callback(AsyncWebServerRequest *request);
+void Webserver_Callback(AsyncWebServerRequest *request);
+void WebserverCommands_Callback(String input);
+
+void initWebUI()
+{
+  if (!LittleFS.begin())
+  {
+    Serial.println("An Error has occurred while mounting LittleFS");
+    return;
+  }
+
+  webServer.serveStatic("/static/", LittleFS, "/static/").setCacheControl("max-age=360000");
+  webServer.on("/", HTTP_GET, [](AsyncWebServerRequest *request)
+               { request->redirect("/index.htm"); });
+  webServer.onNotFound(WebserverNotFound_Callback);
+  webServer.on("/index.htm", HTTP_GET, Webserver_Callback);
+  webServer.on("/index.htm", HTTP_POST, WebserverPOST_Callback);
+
+  webServer.begin();
+}
+
+String processor(const String &var)
+{
+  if (var == "SHOW_DTC_TABLE")
+    return globals.systemStatus == sysStat_Error ? "" : "hidden";
+
+  if (var == "SHOW_RESP_MESSAGE")
+    return StatusResponseMessage_Type != RESPMSG_HIDE ? "" : "hidden";
+
+  if (var == "RESP_MESSAGE_TYPE")
+  {
+    switch (StatusResponseMessage_Type)
+    {
+    case RESPMSG_SUCCESS:
+      return "success";
+    case RESPMSG_INFO:
+      return "info";
+    case RESPMSG_WARNING:
+      return "warning";
+    case RESPMSG_DANGER:
+      return "danger";
+    default:
+      return "info";
+    }
+  }
+
+  if (var == "RESP_MESSAGE")
+    return String(StatusResponseMessage);
+
+  if (var == "BAT_REMAIN_CAPACITY")
+    return String(globals.battery_level);
+
+  if (var == "DEVICE_NAME")
+    return String(globals.DeviceName);
+
+  if (var == "BAT_VOLTAGE")
+    return String(globals.loadvoltage);
+
+  if (var == "DTC_TABLE")
+  {
+    String temp;
+    char buff_timestamp[16]; // Format: DD-hh:mm:ss:xxx
+
+    for (uint32_t i = 0; i < MAX_DTC_STORAGE; i++)
+    {
+      if (DTCStorage[i].Number > 0)
+      {
+        sprintf(buff_timestamp, "%02d-%02d:%02d:%02d:%03d",
+                DTCStorage[i].timestamp / 86400000,    // Days
+                DTCStorage[i].timestamp / 360000 % 24, // Hours
+                DTCStorage[i].timestamp / 60000 % 60,  // Minutes
+                DTCStorage[i].timestamp / 1000 % 60,   // Seconds
+                DTCStorage[i].timestamp % 1000);       // milliseconds
+
+        temp = "<tr><td>" + String(buff_timestamp);
+        temp = temp + "</td><td>" + String(DTCStorage[i].Number) + "</td><td>";
+
+        if (DTCStorage[i].active == DTC_ACTIVE)
+          temp = temp + "active";
+        else if (DTCStorage[i].active == DTC_PREVIOUS)
+          temp = temp + "previous";
+        else
+          temp = temp + "none";
+
+        temp = temp + "</td></tr>";
+      }
+    }
+    return temp;
+  }
+
+  if (var == "PLACEHOLDER")
+    return "placeholder";
+
+  if (var == "POINTS_FAC_1")
+  {
+    char buff[12];
+    snprintf(buff, 12, "%3d:%02d:%02d", PersistenceData.faction_1_timer / 3600, (PersistenceData.faction_1_timer / 60) % 60, PersistenceData.faction_1_timer % 60);
+    return String(buff);
+  }
+
+  if (var == "POINTS_FAC_2")
+  {
+    char buff[12];
+    snprintf(buff, 12, "%3d:%02d:%02d", PersistenceData.faction_2_timer / 3600, (PersistenceData.faction_2_timer / 60) % 60, PersistenceData.faction_2_timer % 60);
+    return String(buff);
+  }
+
+  if (var == "POINTS_FAC_3")
+  {
+    char buff[12];
+    snprintf(buff, 12, "%3d:%02d:%02d", PersistenceData.faction_3_timer / 3600, (PersistenceData.faction_3_timer / 60) % 60, PersistenceData.faction_3_timer % 60);
+    return String(buff);
+  }
+
+  if (var == "STATUS_FAC_1")
+    return PersistenceData.activeFaction == FACTION_1 ? "ACTIVE" : "INACTIVE";
+
+  if (var == "STATUS_FAC_2")
+    return PersistenceData.activeFaction == FACTION_2 ? "ACTIVE" : "INACTIVE";
+
+  if (var == "STATUS_FAC_3")
+    return PersistenceData.activeFaction == FACTION_3 ? "ACTIVE" : "INACTIVE";
+
+  if (var == "NAME_FAC_1")
+    return FACTION_1_NAME;
+
+  if (var == "NAME_FAC_2")
+    return FACTION_2_NAME;
+
+  if (var == "NAME_FAC_3")
+    return FACTION_3_NAME;
+
+  if (var == "TITLE")
+    return DEVICE_NAME;
+
+  if (var == "BATTERY_LEVEL")
+  {
+    return String(globals.battery_level);
+  }
+  if (var == "BATTERY_TYPE")
+  {
+    return String(BatteryString[ConfigData.batteryType]);
+  }
+  if (var == "BATTERY_VOLTAGE")
+  {
+    return String(globals.loadvoltage);
+  }
+
+  return String();
+}
+
+void Webserver_Callback(AsyncWebServerRequest *request)
+{
+  request->send(LittleFS, "/index.htm", "text/html", false, processor);
+  StatusResponseMessage_Type = RESPMSG_HIDE;
+}
+
+void WebserverPOST_Callback(AsyncWebServerRequest *request)
+{
+  int paramsNr = request->params();
+  for (int i = 0; i < paramsNr; i++)
+  {
+    AsyncWebParameter *p = request->getParam(i);
+    if (p->name() == "commandInput")
+      WebserverCommands_Callback(p->value());
+  }
+  request->send(LittleFS, "/index.htm", "text/html", false, processor);
+}
+
+void WebserverNotFound_Callback(AsyncWebServerRequest *request)
+{
+  request->send(404, "text/html", "Not found");
+}
+
+void WebserverCommands_Callback(String input)
+{
+  String command = input.substring(0, input.indexOf(' '));
+  command.toUpperCase();
+  StatusResponseMessage_Type = RESPMSG_HIDE;
+
+  if (command == "RESET")
+  {
+    strcpy(StatusResponseMessage, "Counter Reset done");
+    StatusResponseMessage_Type = RESPMSG_SUCCESS;
+
+    PersistenceData.faction_1_timer = 0;
+    PersistenceData.faction_2_timer = 0;
+    PersistenceData.faction_3_timer = 0;
+    PersistenceData.activeFaction = NONE;
+  }
+}

Software/src/webui.h

@@ -0,0 +1,15 @@
+#ifndef _WEBUI_H_
+#define _WEBUI_H_
+
+#include <Arduino.h>
+#include <FS.h>
+#include <LittleFS.h>
+#include <AsyncTCP.h>
+#include <ESPAsyncWebServer.h>
+#include "config.h"
+#include "globals.h"
+#include "dtc.h"
+
+void initWebUI();
+
+#endif