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AutoConnectWithFSParameters.ino
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AutoConnectWithFSParameters.ino
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/****************************************************************************************************************************
AutoConnectWithFSParameters.ino
For ESP8266 / ESP32 boards
ESP_WiFiManager is a library for the ESP8266/ESP32 platform (https://github.com/esp8266/Arduino) to enable easy
configuration and reconfiguration of WiFi credentials using a Captive Portal.
Modified from Tzapu https://github.com/tzapu/WiFiManager
and from Ken Taylor https://github.com/kentaylor
Built by Khoi Hoang https://github.com/khoih-prog/ESP_WiFiManager
Licensed under MIT license
*****************************************************************************************************************************/
#if !( defined(ESP8266) || defined(ESP32) )
#error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
#endif
#define ESP_WIFIMANAGER_VERSION_MIN_TARGET "ESP_WiFiManager v1.12.0"
#define ESP_WIFIMANAGER_VERSION_MIN 1012000
// Use from 0 to 4. Higher number, more debugging messages and memory usage.
#define _WIFIMGR_LOGLEVEL_ 1
// To not display stored SSIDs and PWDs on Config Portal, select false. Default is true
// Even the stored Credentials are not display, just leave them all blank to reconnect and reuse the stored Credentials
//#define DISPLAY_STORED_CREDENTIALS_IN_CP false
#include <FS.h>
//Ported to ESP32
#ifdef ESP32
#include <esp_wifi.h>
#include <WiFi.h>
#include <WiFiClient.h>
// From v1.1.0
#include <WiFiMulti.h>
WiFiMulti wifiMulti;
// LittleFS has higher priority than SPIFFS
#if ( defined(ESP_ARDUINO_VERSION_MAJOR) && (ESP_ARDUINO_VERSION_MAJOR >= 2) )
#define USE_LITTLEFS true
#define USE_SPIFFS false
#elif defined(ARDUINO_ESP32C3_DEV)
// For core v1.0.6-, ESP32-C3 only supporting SPIFFS and EEPROM. To use v2.0.0+ for LittleFS
#define USE_LITTLEFS false
#define USE_SPIFFS true
#endif
#if USE_LITTLEFS
// Use LittleFS
#include "FS.h"
// Check cores/esp32/esp_arduino_version.h and cores/esp32/core_version.h
//#if ( ESP_ARDUINO_VERSION >= ESP_ARDUINO_VERSION_VAL(2, 0, 0) ) //(ESP_ARDUINO_VERSION_MAJOR >= 2)
#if ( defined(ESP_ARDUINO_VERSION_MAJOR) && (ESP_ARDUINO_VERSION_MAJOR >= 2) )
#if (_WIFIMGR_LOGLEVEL_ > 3)
#warning Using ESP32 Core 1.0.6 or 2.0.0+
#endif
// The library has been merged into esp32 core from release 1.0.6
#include <LittleFS.h> // https://github.com/espressif/arduino-esp32/tree/master/libraries/LittleFS
FS* filesystem = &LittleFS;
#define FileFS LittleFS
#define FS_Name "LittleFS"
#else
#if (_WIFIMGR_LOGLEVEL_ > 3)
#warning Using ESP32 Core 1.0.5-. You must install LITTLEFS library
#endif
// The library has been merged into esp32 core from release 1.0.6
#include <LITTLEFS.h> // https://github.com/lorol/LITTLEFS
FS* filesystem = &LITTLEFS;
#define FileFS LITTLEFS
#define FS_Name "LittleFS"
#endif
#elif USE_SPIFFS
#include <SPIFFS.h>
FS* filesystem = &SPIFFS;
#define FileFS SPIFFS
#define FS_Name "SPIFFS"
#else
// Use FFat
#include <FFat.h>
FS* filesystem = &FFat;
#define FileFS FFat
#define FS_Name "FFat"
#endif
//////
#define LED_BUILTIN 2
#define LED_ON HIGH
#define LED_OFF LOW
#else
#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
//needed for library
#include <DNSServer.h>
#include <ESP8266WebServer.h>
// From v1.1.0
#include <ESP8266WiFiMulti.h>
ESP8266WiFiMulti wifiMulti;
#define USE_LITTLEFS true
#if USE_LITTLEFS
#include <LittleFS.h>
FS* filesystem = &LittleFS;
#define FileFS LittleFS
#define FS_Name "LittleFS"
#else
FS* filesystem = &SPIFFS;
#define FileFS SPIFFS
#define FS_Name "SPIFFS"
#endif
//////
#define ESP_getChipId() (ESP.getChipId())
#define LED_ON LOW
#define LED_OFF HIGH
#endif
// Pin D2 mapped to pin GPIO2/ADC12 of ESP32, or GPIO2/TXD1 of NodeMCU control on-board LED
#define PIN_LED LED_BUILTIN
// Now support ArduinoJson 6.0.0+ ( tested with v6.14.1 )
#include <ArduinoJson.h> //https://github.com/bblanchon/ArduinoJson
char configFileName[] = "/config.json";
// You only need to format the filesystem once
//#define FORMAT_FILESYSTEM true
#define FORMAT_FILESYSTEM false
// SSID and PW for your Router
String Router_SSID;
String Router_Pass;
// From v1.1.0
#define MIN_AP_PASSWORD_SIZE 8
#define SSID_MAX_LEN 32
//From v1.0.10, WPA2 passwords can be up to 63 characters long.
#define PASS_MAX_LEN 64
typedef struct
{
char wifi_ssid[SSID_MAX_LEN];
char wifi_pw [PASS_MAX_LEN];
} WiFi_Credentials;
typedef struct
{
String wifi_ssid;
String wifi_pw;
} WiFi_Credentials_String;
#define NUM_WIFI_CREDENTIALS 2
// Assuming max 491 chars
#define TZNAME_MAX_LEN 50
#define TIMEZONE_MAX_LEN 50
typedef struct
{
WiFi_Credentials WiFi_Creds [NUM_WIFI_CREDENTIALS];
char TZ_Name[TZNAME_MAX_LEN]; // "America/Toronto"
char TZ[TIMEZONE_MAX_LEN]; // "EST5EDT,M3.2.0,M11.1.0"
uint16_t checksum;
} WM_Config;
WM_Config WM_config;
#define CONFIG_FILENAME F("/wifi_cred.dat")
// Indicates whether ESP has WiFi credentials saved from previous session, or double reset detected
bool initialConfig = false;
//////
// SSID and PW for Config Portal
String AP_SSID;
String AP_PASS;
// Use false if you don't like to display Available Pages in Information Page of Config Portal
// Comment out or use true to display Available Pages in Information Page of Config Portal
// Must be placed before #include <ESP_WiFiManager.h>
#define USE_AVAILABLE_PAGES false
// From v1.0.10 to permit disable/enable StaticIP configuration in Config Portal from sketch. Valid only if DHCP is used.
// You'll loose the feature of dynamically changing from DHCP to static IP, or vice versa
// You have to explicitly specify false to disable the feature.
//#define USE_STATIC_IP_CONFIG_IN_CP false
// Use false to disable NTP config. Advisable when using Cellphone, Tablet to access Config Portal.
// See Issue 23: On Android phone ConfigPortal is unresponsive (https://github.com/khoih-prog/ESP_WiFiManager/issues/23)
#define USE_ESP_WIFIMANAGER_NTP true
// Just use enough to save memory. On ESP8266, can cause blank ConfigPortal screen
// if using too much memory
#define USING_AFRICA false
#define USING_AMERICA true
#define USING_ANTARCTICA false
#define USING_ASIA false
#define USING_ATLANTIC false
#define USING_AUSTRALIA false
#define USING_EUROPE false
#define USING_INDIAN false
#define USING_PACIFIC false
#define USING_ETC_GMT false
// Use true to enable CloudFlare NTP service. System can hang if you don't have Internet access while accessing CloudFlare
// See Issue #21: CloudFlare link in the default portal (https://github.com/khoih-prog/ESP_WiFiManager/issues/21)
#define USE_CLOUDFLARE_NTP false
// New in v1.0.11
#define USING_CORS_FEATURE true
////////////////////////////////////////////
// Use USE_DHCP_IP == true for dynamic DHCP IP, false to use static IP which you have to change accordingly to your network
#if (defined(USE_STATIC_IP_CONFIG_IN_CP) && !USE_STATIC_IP_CONFIG_IN_CP)
// Force DHCP to be true
#if defined(USE_DHCP_IP)
#undef USE_DHCP_IP
#endif
#define USE_DHCP_IP true
#else
// You can select DHCP or Static IP here
#define USE_DHCP_IP true
//#define USE_DHCP_IP false
#endif
#if ( USE_DHCP_IP )
// Use DHCP
#if (_WIFIMGR_LOGLEVEL_ > 3)
#warning Using DHCP IP
#endif
IPAddress stationIP = IPAddress(0, 0, 0, 0);
IPAddress gatewayIP = IPAddress(192, 168, 2, 1);
IPAddress netMask = IPAddress(255, 255, 255, 0);
#else
// Use static IP
#if (_WIFIMGR_LOGLEVEL_ > 3)
#warning Using static IP
#endif
#ifdef ESP32
IPAddress stationIP = IPAddress(192, 168, 2, 232);
#else
IPAddress stationIP = IPAddress(192, 168, 2, 186);
#endif
IPAddress gatewayIP = IPAddress(192, 168, 2, 1);
IPAddress netMask = IPAddress(255, 255, 255, 0);
#endif
////////////////////////////////////////////
#define USE_CONFIGURABLE_DNS true
IPAddress dns1IP = gatewayIP;
IPAddress dns2IP = IPAddress(8, 8, 8, 8);
#define USE_CUSTOM_AP_IP false
// New in v1.4.0
IPAddress APStaticIP = IPAddress(192, 168, 100, 1);
IPAddress APStaticGW = IPAddress(192, 168, 100, 1);
IPAddress APStaticSN = IPAddress(255, 255, 255, 0);
// Must be placed before #include <ESP_WiFiManager.h>, or default port 80 will be used
//#define HTTP_PORT 8080
#include <ESP_WiFiManager.h> //https://github.com/khoih-prog/ESP_WiFiManager
// Redundant, for v1.8.0 only
//#include <ESP_WiFiManager-Impl.h> //https://github.com/khoih-prog/ESP_WiFiManager
//define your default values here, if there are different values in configFileName (config.json), they are overwritten.
#define BLYNK_SERVER_LEN 64
#define BLYNK_TOKEN_LEN 32
#define BLYNK_SERVER_PORT_LEN 6
#define MQTT_SERVER_MAX_LEN 40
#define MQTT_SERVER_PORT_LEN 6
char blynk_server [BLYNK_SERVER_LEN] = "account.duckdns.org";
char blynk_port [BLYNK_SERVER_PORT_LEN] = "8080";
char blynk_token [BLYNK_TOKEN_LEN] = "YOUR_BLYNK_TOKEN";
char mqtt_server [MQTT_SERVER_MAX_LEN];
char mqtt_port [MQTT_SERVER_PORT_LEN] = "8080";
// Function Prototypes
uint8_t connectMultiWiFi();
///////////////////////////////////////////
// New in v1.4.0
/******************************************
* // Defined in ESP_WiFiManager.h
typedef struct
{
IPAddress _ap_static_ip;
IPAddress _ap_static_gw;
IPAddress _ap_static_sn;
} WiFi_AP_IPConfig;
typedef struct
{
IPAddress _sta_static_ip;
IPAddress _sta_static_gw;
IPAddress _sta_static_sn;
#if USE_CONFIGURABLE_DNS
IPAddress _sta_static_dns1;
IPAddress _sta_static_dns2;
#endif
} WiFi_STA_IPConfig;
******************************************/
WiFi_AP_IPConfig WM_AP_IPconfig;
WiFi_STA_IPConfig WM_STA_IPconfig;
void initAPIPConfigStruct(WiFi_AP_IPConfig &in_WM_AP_IPconfig)
{
in_WM_AP_IPconfig._ap_static_ip = APStaticIP;
in_WM_AP_IPconfig._ap_static_gw = APStaticGW;
in_WM_AP_IPconfig._ap_static_sn = APStaticSN;
}
void initSTAIPConfigStruct(WiFi_STA_IPConfig &in_WM_STA_IPconfig)
{
in_WM_STA_IPconfig._sta_static_ip = stationIP;
in_WM_STA_IPconfig._sta_static_gw = gatewayIP;
in_WM_STA_IPconfig._sta_static_sn = netMask;
#if USE_CONFIGURABLE_DNS
in_WM_STA_IPconfig._sta_static_dns1 = dns1IP;
in_WM_STA_IPconfig._sta_static_dns2 = dns2IP;
#endif
}
void displayIPConfigStruct(WiFi_STA_IPConfig in_WM_STA_IPconfig)
{
LOGERROR3(F("stationIP ="), in_WM_STA_IPconfig._sta_static_ip, ", gatewayIP =", in_WM_STA_IPconfig._sta_static_gw);
LOGERROR1(F("netMask ="), in_WM_STA_IPconfig._sta_static_sn);
#if USE_CONFIGURABLE_DNS
LOGERROR3(F("dns1IP ="), in_WM_STA_IPconfig._sta_static_dns1, ", dns2IP =", in_WM_STA_IPconfig._sta_static_dns2);
#endif
}
void configWiFi(WiFi_STA_IPConfig in_WM_STA_IPconfig)
{
#if USE_CONFIGURABLE_DNS
// Set static IP, Gateway, Subnetmask, DNS1 and DNS2. New in v1.0.5
WiFi.config(in_WM_STA_IPconfig._sta_static_ip, in_WM_STA_IPconfig._sta_static_gw, in_WM_STA_IPconfig._sta_static_sn, in_WM_STA_IPconfig._sta_static_dns1, in_WM_STA_IPconfig._sta_static_dns2);
#else
// Set static IP, Gateway, Subnetmask, Use auto DNS1 and DNS2.
WiFi.config(in_WM_STA_IPconfig._sta_static_ip, in_WM_STA_IPconfig._sta_static_gw, in_WM_STA_IPconfig._sta_static_sn);
#endif
}
///////////////////////////////////////////
uint8_t connectMultiWiFi()
{
#if ESP32
// For ESP32, this better be 0 to shorten the connect time.
// For ESP32-S2/C3, must be > 500
#if ( USING_ESP32_S2 || USING_ESP32_C3 )
#define WIFI_MULTI_1ST_CONNECT_WAITING_MS 500L
#else
// For ESP32 core v1.0.6, must be >= 500
#define WIFI_MULTI_1ST_CONNECT_WAITING_MS 800L
#endif
#else
// For ESP8266, this better be 2200 to enable connect the 1st time
#define WIFI_MULTI_1ST_CONNECT_WAITING_MS 2200L
#endif
#define WIFI_MULTI_CONNECT_WAITING_MS 500L
uint8_t status;
//WiFi.mode(WIFI_STA);
LOGERROR(F("ConnectMultiWiFi with :"));
if ( (Router_SSID != "") && (Router_Pass != "") )
{
LOGERROR3(F("* Flash-stored Router_SSID = "), Router_SSID, F(", Router_Pass = "), Router_Pass );
LOGERROR3(F("* Add SSID = "), Router_SSID, F(", PW = "), Router_Pass );
wifiMulti.addAP(Router_SSID.c_str(), Router_Pass.c_str());
}
for (uint8_t i = 0; i < NUM_WIFI_CREDENTIALS; i++)
{
// Don't permit NULL SSID and password len < MIN_AP_PASSWORD_SIZE (8)
if ( (String(WM_config.WiFi_Creds[i].wifi_ssid) != "") && (strlen(WM_config.WiFi_Creds[i].wifi_pw) >= MIN_AP_PASSWORD_SIZE) )
{
LOGERROR3(F("* Additional SSID = "), WM_config.WiFi_Creds[i].wifi_ssid, F(", PW = "), WM_config.WiFi_Creds[i].wifi_pw );
}
}
LOGERROR(F("Connecting MultiWifi..."));
//WiFi.mode(WIFI_STA);
#if !USE_DHCP_IP
// New in v1.4.0
configWiFi(WM_STA_IPconfig);
//////
#endif
int i = 0;
status = wifiMulti.run();
delay(WIFI_MULTI_1ST_CONNECT_WAITING_MS);
while ( ( i++ < 20 ) && ( status != WL_CONNECTED ) )
{
status = WiFi.status();
if ( status == WL_CONNECTED )
break;
else
delay(WIFI_MULTI_CONNECT_WAITING_MS);
}
if ( status == WL_CONNECTED )
{
LOGERROR1(F("WiFi connected after time: "), i);
LOGERROR3(F("SSID:"), WiFi.SSID(), F(",RSSI="), WiFi.RSSI());
LOGERROR3(F("Channel:"), WiFi.channel(), F(",IP address:"), WiFi.localIP() );
}
else
{
LOGERROR(F("WiFi not connected"));
#if ESP8266
ESP.reset();
#else
ESP.restart();
#endif
}
return status;
}
//flag for saving data
bool shouldSaveConfig = false;
//callback notifying us of the need to save config
void saveConfigCallback()
{
Serial.println(F("Should save config"));
shouldSaveConfig = true;
}
bool loadFileFSConfigFile()
{
//clean FS, for testing
//FileFS.format();
//read configuration from FS json
Serial.println(F("Mounting FS..."));
if (FileFS.begin())
{
Serial.println(F("Mounted FS"));
if (FileFS.exists(configFileName))
{
//file exists, reading and loading
Serial.println(F("Reading config file"));
File configFile = FileFS.open(configFileName, "r");
if (configFile)
{
Serial.print(F("Opened config file, size = "));
size_t configFileSize = configFile.size();
Serial.println(configFileSize);
// Allocate a buffer to store contents of the file.
std::unique_ptr<char[]> buf(new char[configFileSize + 1]);
configFile.readBytes(buf.get(), configFileSize);
Serial.print(F("\nJSON parseObject() result : "));
#if (ARDUINOJSON_VERSION_MAJOR >= 6)
DynamicJsonDocument json(1024);
auto deserializeError = deserializeJson(json, buf.get(), configFileSize);
if ( deserializeError )
{
Serial.println(F("failed"));
return false;
}
else
{
Serial.println(F("OK"));
if (json["blynk_server"])
strncpy(blynk_server, json["blynk_server"], sizeof(blynk_server));
if (json["blynk_port"])
strncpy(blynk_port, json["blynk_port"], sizeof(blynk_port));
if (json["blynk_token"])
strncpy(blynk_token, json["blynk_token"], sizeof(blynk_token));
if (json["mqtt_server"])
strncpy(mqtt_server, json["mqtt_server"], sizeof(mqtt_server));
if (json["mqtt_port"])
strncpy(mqtt_port, json["mqtt_port"], sizeof(mqtt_port));
}
//serializeJson(json, Serial);
serializeJsonPretty(json, Serial);
#else
DynamicJsonBuffer jsonBuffer;
// Parse JSON string
JsonObject& json = jsonBuffer.parseObject(buf.get());
// Test if parsing succeeds.
if (json.success())
{
Serial.println(F("OK"));
if (json["blynk_server"])
strncpy(blynk_server, json["blynk_server"], sizeof(blynk_server));
if (json["blynk_port"])
strncpy(blynk_port, json["blynk_port"], sizeof(blynk_port));
if (json["blynk_token"])
strncpy(blynk_token, json["blynk_token"], sizeof(blynk_token));
if (json["mqtt_server"])
strncpy(mqtt_server, json["mqtt_server"], sizeof(mqtt_server));
if (json["mqtt_port"])
strncpy(mqtt_port, json["mqtt_port"], sizeof(mqtt_port));
}
else
{
Serial.println(F("failed"));
return false;
}
//json.printTo(Serial);
json.prettyPrintTo(Serial);
#endif
configFile.close();
}
}
}
else
{
Serial.println(F("failed to mount FS"));
return false;
}
return true;
}
bool saveFileFSConfigFile()
{
Serial.println(F("Saving config"));
#if (ARDUINOJSON_VERSION_MAJOR >= 6)
DynamicJsonDocument json(1024);
#else
DynamicJsonBuffer jsonBuffer;
JsonObject& json = jsonBuffer.createObject();
#endif
json["blynk_server"] = blynk_server;
json["blynk_port"] = blynk_port;
json["blynk_token"] = blynk_token;
json["mqtt_server"] = mqtt_server;
json["mqtt_port"] = mqtt_port;
File configFile = FileFS.open(configFileName, "w");
if (!configFile)
{
Serial.println(F("Failed to open config file for writing"));
return false;
}
#if (ARDUINOJSON_VERSION_MAJOR >= 6)
//serializeJson(json, Serial);
serializeJsonPretty(json, Serial);
// Write data to file and close it
serializeJson(json, configFile);
#else
//json.printTo(Serial);
json.prettyPrintTo(Serial);
// Write data to file and close it
json.printTo(configFile);
#endif
configFile.close();
//end save
return true;
}
#if USE_ESP_WIFIMANAGER_NTP
void printLocalTime()
{
#if ESP8266
static time_t now;
now = time(nullptr);
if ( now > 1451602800 )
{
Serial.print("Local Date/Time: ");
Serial.print(ctime(&now));
}
#else
struct tm timeinfo;
getLocalTime( &timeinfo );
// Valid only if year > 2000.
// You can get from timeinfo : tm_year, tm_mon, tm_mday, tm_hour, tm_min, tm_sec
if (timeinfo.tm_year > 100 )
{
Serial.print("Local Date/Time: ");
Serial.print( asctime( &timeinfo ) );
}
#endif
}
#endif
void heartBeatPrint()
{
#if USE_ESP_WIFIMANAGER_NTP
printLocalTime();
#else
static int num = 1;
if (WiFi.status() == WL_CONNECTED)
Serial.print(F("H")); // H means connected to WiFi
else
Serial.print(F("F")); // F means not connected to WiFi
if (num == 80)
{
Serial.println();
num = 1;
}
else if (num++ % 10 == 0)
{
Serial.print(F(" "));
}
#endif
}
void toggleLED()
{
//toggle state
digitalWrite(PIN_LED, !digitalRead(PIN_LED));
}
void check_WiFi()
{
if ( (WiFi.status() != WL_CONNECTED) )
{
Serial.println(F("\nWiFi lost. Call connectMultiWiFi in loop"));
connectMultiWiFi();
}
}
void check_status()
{
static ulong checkstatus_timeout = 0;
static ulong LEDstatus_timeout = 0;
static ulong checkwifi_timeout = 0;
static ulong currentMillis;
#define LED_INTERVAL 2000L
#define WIFICHECK_INTERVAL 1000L
#if USE_ESP_WIFIMANAGER_NTP
#define HEARTBEAT_INTERVAL 60000L
#else
#define HEARTBEAT_INTERVAL 10000L
#endif
currentMillis = millis();
// Check WiFi every WIFICHECK_INTERVAL (1) seconds.
if ((currentMillis > checkwifi_timeout) || (checkwifi_timeout == 0))
{
check_WiFi();
checkwifi_timeout = currentMillis + WIFICHECK_INTERVAL;
}
if ((currentMillis > LEDstatus_timeout) || (LEDstatus_timeout == 0))
{
// Toggle LED at LED_INTERVAL = 2s
toggleLED();
LEDstatus_timeout = currentMillis + LED_INTERVAL;
}
// Print hearbeat every HEARTBEAT_INTERVAL (10) seconds.
if ((currentMillis > checkstatus_timeout) || (checkstatus_timeout == 0))
{
heartBeatPrint();
checkstatus_timeout = currentMillis + HEARTBEAT_INTERVAL;
}
}
int calcChecksum(uint8_t* address, uint16_t sizeToCalc)
{
uint16_t checkSum = 0;
for (uint16_t index = 0; index < sizeToCalc; index++)
{
checkSum += * ( ( (byte*) address ) + index);
}
return checkSum;
}
bool loadConfigData()
{
File file = FileFS.open(CONFIG_FILENAME, "r");
LOGERROR(F("LoadWiFiCfgFile "));
memset((void *) &WM_config, 0, sizeof(WM_config));
// New in v1.4.0
memset((void *) &WM_STA_IPconfig, 0, sizeof(WM_STA_IPconfig));
//////
if (file)
{
file.readBytes((char *) &WM_config, sizeof(WM_config));
// New in v1.4.0
file.readBytes((char *) &WM_STA_IPconfig, sizeof(WM_STA_IPconfig));
//////
file.close();
LOGERROR(F("OK"));
if ( WM_config.checksum != calcChecksum( (uint8_t*) &WM_config, sizeof(WM_config) - sizeof(WM_config.checksum) ) )
{
LOGERROR(F("WM_config checksum wrong"));
return false;
}
// New in v1.4.0
displayIPConfigStruct(WM_STA_IPconfig);
//////
return true;
}
else
{
LOGERROR(F("failed"));
return false;
}
}
void saveConfigData()
{
File file = FileFS.open(CONFIG_FILENAME, "w");
LOGERROR(F("SaveWiFiCfgFile "));
if (file)
{
WM_config.checksum = calcChecksum( (uint8_t*) &WM_config, sizeof(WM_config) - sizeof(WM_config.checksum) );
file.write((uint8_t*) &WM_config, sizeof(WM_config));
displayIPConfigStruct(WM_STA_IPconfig);
// New in v1.4.0
file.write((uint8_t*) &WM_STA_IPconfig, sizeof(WM_STA_IPconfig));
//////
file.close();
LOGERROR(F("OK"));
}
else
{
LOGERROR(F("failed"));
}
}
void setup()
{
// put your setup code here, to run once:
Serial.begin(115200);
while (!Serial);
delay(200);
Serial.print(F("\nStarting AutoConnectWithFSParams using ")); Serial.print(FS_Name);
Serial.print(F(" on ")); Serial.println(ARDUINO_BOARD);
Serial.println(ESP_WIFIMANAGER_VERSION);
#if defined(ESP_WIFIMANAGER_VERSION_MIN)
if (ESP_WIFIMANAGER_VERSION_INT < ESP_WIFIMANAGER_VERSION_MIN)
{
Serial.print("Warning. Must use this example on Version later than : ");
Serial.println(ESP_WIFIMANAGER_VERSION_MIN_TARGET);
}
#endif
if (FORMAT_FILESYSTEM)
FileFS.format();
// Format FileFS if not yet
#ifdef ESP32
if (!FileFS.begin(true))
#else
if (!FileFS.begin())
#endif
{
#ifdef ESP8266
FileFS.format();
#endif
Serial.println(F("SPIFFS/LittleFS failed! Already tried formatting."));
if (!FileFS.begin())
{
// prevents debug info from the library to hide err message.
delay(100);
#if USE_LITTLEFS
Serial.println(F("LittleFS failed!. Please use SPIFFS or EEPROM. Stay forever"));
#else
Serial.println(F("SPIFFS failed!. Please use LittleFS or EEPROM. Stay forever"));
#endif
while (true)
{
delay(1);
}
}
}
// New in v1.4.0
initAPIPConfigStruct(WM_AP_IPconfig);
initSTAIPConfigStruct(WM_STA_IPconfig);
//////
loadFileFSConfigFile();
// The extra parameters to be configured (can be either global or just in the setup)
// After connecting, parameter.getValue() will get you the configured value
// id/name placeholder/prompt default length
ESP_WMParameter custom_blynk_server("blynk_server", "blynk_server", blynk_server, BLYNK_SERVER_LEN + 1);
ESP_WMParameter custom_blynk_port ("blynk_port", "blynk_port", blynk_port, BLYNK_SERVER_PORT_LEN + 1);
ESP_WMParameter custom_blynk_token ("blynk_token", "blynk_token", blynk_token, BLYNK_TOKEN_LEN + 1 );
ESP_WMParameter custom_mqtt_server("mqtt_server", "mqtt_server", mqtt_server, MQTT_SERVER_MAX_LEN + 1);
ESP_WMParameter custom_mqtt_port ("mqtt_port", "mqtt_port", mqtt_port, MQTT_SERVER_PORT_LEN + 1);
unsigned long startedAt = millis();
// Use this to default DHCP hostname to ESP8266-XXXXXX or ESP32-XXXXXX
//ESP_WiFiManager ESP_wifiManager;
// Use this to personalize DHCP hostname (RFC952 conformed)
ESP_WiFiManager ESP_wifiManager("AutoConnect-FSParams");
//set config save notify callback
ESP_wifiManager.setSaveConfigCallback(saveConfigCallback);
//add all your parameters here
ESP_wifiManager.addParameter(&custom_blynk_server);
ESP_wifiManager.addParameter(&custom_blynk_port);
ESP_wifiManager.addParameter(&custom_blynk_token);
ESP_wifiManager.addParameter(&custom_mqtt_server);
ESP_wifiManager.addParameter(&custom_mqtt_port);
//reset settings - for testing
//ESP_wifiManager.resetSettings();
ESP_wifiManager.setDebugOutput(true);
#if USE_CUSTOM_AP_IP
//set custom ip for portal
// New in v1.4.0
ESP_wifiManager.setAPStaticIPConfig(WM_AP_IPconfig);
//////
#endif
//set minimum quality of signal so it ignores AP's under that quality
//defaults to 8%
//ESP_wifiManager.setMinimumSignalQuality();
ESP_wifiManager.setMinimumSignalQuality(-1);
// From v1.0.10 only
// Set config portal channel, default = 1. Use 0 => random channel from 1-13
ESP_wifiManager.setConfigPortalChannel(0);
//////
#if !USE_DHCP_IP
// Set (static IP, Gateway, Subnetmask, DNS1 and DNS2) or (IP, Gateway, Subnetmask). New in v1.0.5
// New in v1.4.0
ESP_wifiManager.setSTAStaticIPConfig(WM_STA_IPconfig);
//////
#endif
// New from v1.1.1
#if USING_CORS_FEATURE
ESP_wifiManager.setCORSHeader("Your Access-Control-Allow-Origin");
#endif
// We can't use WiFi.SSID() in ESP32 as it's only valid after connected.
// SSID and Password stored in ESP32 wifi_ap_record_t and wifi_config_t are also cleared in reboot
// Have to create a new function to store in EEPROM/SPIFFS/LittleFS for this purpose
Router_SSID = ESP_wifiManager.WiFi_SSID();
Router_Pass = ESP_wifiManager.WiFi_Pass();
//Remove this line if you do not want to see WiFi password printed
Serial.println("ESP Self-Stored: SSID = " + Router_SSID + ", Pass = " + Router_Pass);
bool configDataLoaded = false;
// From v1.1.0, Don't permit NULL password
if ( (Router_SSID != "") && (Router_Pass != "") )
{
LOGERROR3(F("* Add SSID = "), Router_SSID, F(", PW = "), Router_Pass);
wifiMulti.addAP(Router_SSID.c_str(), Router_Pass.c_str());
ESP_wifiManager.setConfigPortalTimeout(120); //If no access point name has been previously entered disable timeout.
Serial.println(F("Got ESP Self-Stored Credentials. Timeout 120s for Config Portal"));
}
if (loadConfigData())
{
configDataLoaded = true;
ESP_wifiManager.setConfigPortalTimeout(120); //If no access point name has been previously entered disable timeout.
Serial.println(F("Got stored Credentials. Timeout 120s for Config Portal"));
#if USE_ESP_WIFIMANAGER_NTP
if ( strlen(WM_config.TZ_Name) > 0 )
{
LOGERROR3(F("Current TZ_Name ="), WM_config.TZ_Name, F(", TZ = "), WM_config.TZ);
#if ESP8266
configTime(WM_config.TZ, "pool.ntp.org");
#else
//configTzTime(WM_config.TZ, "pool.ntp.org" );
configTzTime(WM_config.TZ, "time.nist.gov", "0.pool.ntp.org", "1.pool.ntp.org");
#endif
}
else
{
Serial.println(F("Current Timezone is not set. Enter Config Portal to set."));
}
#endif
}
else
{
// Enter CP only if no stored SSID on flash and file
Serial.println(F("Open Config Portal without Timeout: No stored Credentials."));
initialConfig = true;
}
String chipID = String(ESP_getChipId(), HEX);
chipID.toUpperCase();
// SSID and PW for Config Portal
AP_SSID = "ESP_" + chipID + "_AutoConnectAP";
AP_PASS = "MyESP_" + chipID;
if (initialConfig)
{
Serial.print(F("Starting configuration portal @ "));
#if USE_CUSTOM_AP_IP