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Async_ConfigPortalParamsOnSwitch.ino
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/****************************************************************************************************************************
Async_ConfigPortalParamsOnSwitch.ino
For ESP8266 / ESP32 boards
ESPAsync_WiFiManager is a library for the ESP8266/Arduino platform, using (ESP)AsyncWebServer to enable easy
configuration and reconfiguration of WiFi credentials using a Captive Portal.
Modified from
1. Tzapu (https://github.com/tzapu/WiFiManager)
2. Ken Taylor (https://github.com/kentaylor)
3. Alan Steremberg (https://github.com/alanswx/ESPAsyncWiFiManager)
4. Khoi Hoang (https://github.com/khoih-prog/ESP_WiFiManager)
Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
Licensed under MIT license
*****************************************************************************************************************************/
/****************************************************************************************************************************
This example will open a configuration portal when a predetermined button is pressed
The Flash button is convenient for this on NodeMCU devices.
You then can modify ConfigPortal Parameters. such as Portal SSID and Password
This example will open a configuration portal when no WiFi configuration has been previously entered or when a button is pushed.
Also in this example, a configurable password is required to connect to the configuration portal
network. This is inconvenient but means that only those who know the password or those
already connected to the target WiFi network can access the configuration portal and
the WiFi network credentials will be sent from the browser over an encrypted connection and
can not be read by observers.
*****************************************************************************************************************************/
#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_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET "ESPAsync_WiFiManager v1.15.0"
#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN 1015000
// Use from 0 to 4. Higher number, more debugging messages and memory usage.
#define _ESPASYNC_WIFIMGR_LOGLEVEL_ 3
// 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>
// Now support ArduinoJson 6.0.0+ ( tested with v6.14.1 )
#include <ArduinoJson.h> // get it from https://arduinojson.org/ or install via Arduino library manager
//For ESP32, To use ESP32 Dev Module, QIO, Flash 4MB/80MHz, Upload 921600
//Ported to ESP32
#ifdef ESP32
#include <esp_wifi.h>
#include <WiFi.h>
#include <WiFiClient.h>
// From v1.1.1
#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 (_ESPASYNC_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 (_ESPASYNC_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_ON HIGH
#define LED_OFF LOW
#else
#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
//needed for library
#include <ESPAsyncDNSServer.h>
// From v1.1.1
#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
#ifdef ESP32
//See file .../hardware/espressif/esp32/variants/(esp32|doitESP32devkitV1)/pins_arduino.h
#define LED_BUILTIN 2 // Pin D2 mapped to pin GPIO2/ADC12 of ESP32, control on-board LED
#define PIN_LED 2 // Pin D2 mapped to pin GPIO2/ADC12 of ESP32, control on-board LED
#define PIN_D0 0 // Pin D0 mapped to pin GPIO0/BOOT/ADC11/TOUCH1 of ESP32
#define PIN_D1 1 // Pin D1 mapped to pin GPIO1/TX0 of ESP32
#define PIN_D2 2 // Pin D2 mapped to pin GPIO2/ADC12/TOUCH2 of ESP32
#define PIN_D3 3 // Pin D3 mapped to pin GPIO3/RX0 of ESP32
#define PIN_D4 4 // Pin D4 mapped to pin GPIO4/ADC10/TOUCH0 of ESP32
#define PIN_D5 5 // Pin D5 mapped to pin GPIO5/SPISS/VSPI_SS of ESP32
#define PIN_D6 6 // Pin D6 mapped to pin GPIO6/FLASH_SCK of ESP32
#define PIN_D7 7 // Pin D7 mapped to pin GPIO7/FLASH_D0 of ESP32
#define PIN_D8 8 // Pin D8 mapped to pin GPIO8/FLASH_D1 of ESP32
#define PIN_D9 9 // Pin D9 mapped to pin GPIO9/FLASH_D2 of ESP32
#define PIN_D10 10 // Pin D10 mapped to pin GPIO10/FLASH_D3 of ESP32
#define PIN_D11 11 // Pin D11 mapped to pin GPIO11/FLASH_CMD of ESP32
#define PIN_D12 12 // Pin D12 mapped to pin GPIO12/HSPI_MISO/ADC15/TOUCH5/TDI of ESP32
#define PIN_D13 13 // Pin D13 mapped to pin GPIO13/HSPI_MOSI/ADC14/TOUCH4/TCK of ESP32
#define PIN_D14 14 // Pin D14 mapped to pin GPIO14/HSPI_SCK/ADC16/TOUCH6/TMS of ESP32
#define PIN_D15 15 // Pin D15 mapped to pin GPIO15/HSPI_SS/ADC13/TOUCH3/TDO of ESP32
#define PIN_D16 16 // Pin D16 mapped to pin GPIO16/TX2 of ESP32
#define PIN_D17 17 // Pin D17 mapped to pin GPIO17/RX2 of ESP32
#define PIN_D18 18 // Pin D18 mapped to pin GPIO18/VSPI_SCK of ESP32
#define PIN_D19 19 // Pin D19 mapped to pin GPIO19/VSPI_MISO of ESP32
#define PIN_D21 21 // Pin D21 mapped to pin GPIO21/SDA of ESP32
#define PIN_D22 22 // Pin D22 mapped to pin GPIO22/SCL of ESP32
#define PIN_D23 23 // Pin D23 mapped to pin GPIO23/VSPI_MOSI of ESP32
#define PIN_D24 24 // Pin D24 mapped to pin GPIO24 of ESP32
#define PIN_D25 25 // Pin D25 mapped to pin GPIO25/ADC18/DAC1 of ESP32
#define PIN_D26 26 // Pin D26 mapped to pin GPIO26/ADC19/DAC2 of ESP32
#define PIN_D27 27 // Pin D27 mapped to pin GPIO27/ADC17/TOUCH7 of ESP32
#define PIN_D32 32 // Pin D32 mapped to pin GPIO32/ADC4/TOUCH9 of ESP32
#define PIN_D33 33 // Pin D33 mapped to pin GPIO33/ADC5/TOUCH8 of ESP32
#define PIN_D34 34 // Pin D34 mapped to pin GPIO34/ADC6 of ESP32
//Only GPIO pin < 34 can be used as output. Pins >= 34 can be only inputs
//See .../cores/esp32/esp32-hal-gpio.h/c
//#define digitalPinIsValid(pin) ((pin) < 40 && esp32_gpioMux[(pin)].reg)
//#define digitalPinCanOutput(pin) ((pin) < 34 && esp32_gpioMux[(pin)].reg)
//#define digitalPinToRtcPin(pin) (((pin) < 40)?esp32_gpioMux[(pin)].rtc:-1)
//#define digitalPinToAnalogChannel(pin) (((pin) < 40)?esp32_gpioMux[(pin)].adc:-1)
//#define digitalPinToTouchChannel(pin) (((pin) < 40)?esp32_gpioMux[(pin)].touch:-1)
//#define digitalPinToDacChannel(pin) (((pin) == 25)?0:((pin) == 26)?1:-1)
#define PIN_D35 35 // Pin D35 mapped to pin GPIO35/ADC7 of ESP32
#define PIN_D36 36 // Pin D36 mapped to pin GPIO36/ADC0/SVP of ESP32
#define PIN_D39 39 // Pin D39 mapped to pin GPIO39/ADC3/SVN of ESP32
#define PIN_RX0 3 // Pin RX0 mapped to pin GPIO3/RX0 of ESP32
#define PIN_TX0 1 // Pin TX0 mapped to pin GPIO1/TX0 of ESP32
#define PIN_SCL 22 // Pin SCL mapped to pin GPIO22/SCL of ESP32
#define PIN_SDA 21 // Pin SDA mapped to pin GPIO21/SDA of ESP32
#else
//PIN_D0 can't be used for PWM/I2C
#define PIN_D0 16 // Pin D0 mapped to pin GPIO16/USER/WAKE of ESP8266. This pin is also used for Onboard-Blue LED. PIN_D0 = 0 => LED ON
#define PIN_D1 5 // Pin D1 mapped to pin GPIO5 of ESP8266
#define PIN_D2 4 // Pin D2 mapped to pin GPIO4 of ESP8266
#define PIN_D3 0 // Pin D3 mapped to pin GPIO0/FLASH of ESP8266
#define PIN_D4 2 // Pin D4 mapped to pin GPIO2/TXD1 of ESP8266
#define PIN_LED 2 // Pin D4 mapped to pin GPIO2/TXD1 of ESP8266, NodeMCU and WeMoS, control on-board LED
#define PIN_D5 14 // Pin D5 mapped to pin GPIO14/HSCLK of ESP8266
#define PIN_D6 12 // Pin D6 mapped to pin GPIO12/HMISO of ESP8266
#define PIN_D7 13 // Pin D7 mapped to pin GPIO13/RXD2/HMOSI of ESP8266
#define PIN_D8 15 // Pin D8 mapped to pin GPIO15/TXD2/HCS of ESP8266
//Don't use pins GPIO6 to GPIO11 as already connected to flash, etc. Use them can crash the program
//GPIO9(D11/SD2) and GPIO11 can be used only if flash in DIO mode ( not the default QIO mode)
#define PIN_D11 9 // Pin D11/SD2 mapped to pin GPIO9/SDD2 of ESP8266
#define PIN_D12 10 // Pin D12/SD3 mapped to pin GPIO10/SDD3 of ESP8266
#define PIN_SD2 9 // Pin SD2 mapped to pin GPIO9/SDD2 of ESP8266
#define PIN_SD3 10 // Pin SD3 mapped to pin GPIO10/SDD3 of ESP8266
#define PIN_D9 3 // Pin D9 /RX mapped to pin GPIO3/RXD0 of ESP8266
#define PIN_D10 1 // Pin D10/TX mapped to pin GPIO1/TXD0 of ESP8266
#define PIN_RX 3 // Pin RX mapped to pin GPIO3/RXD0 of ESP8266
#define PIN_TX 1 // Pin RX mapped to pin GPIO1/TXD0 of ESP8266
#define LED_PIN 16 // Pin D0 mapped to pin GPIO16 of ESP8266. This pin is also used for Onboard-Blue LED. PIN_D0 = 0 => LED ON
#endif //USE_ESP32
#ifdef ESP32
/* Trigger for inititating config mode is Pin D3 and also flash button on NodeMCU
Flash button is convenient to use but if it is pressed it will stuff up the serial port device driver
until the computer is rebooted on windows machines.
*/
const int TRIGGER_PIN = PIN_D0; // Pin D0 mapped to pin GPIO0/BOOT/ADC11/TOUCH1 of ESP32
/*
Alternative trigger pin. Needs to be connected to a button to use this pin. It must be a momentary connection
not connected permanently to ground. Either trigger pin will work.
*/
#if ( ARDUINO_ESP32C3_DEV )
const int TRIGGER_PIN2 = PIN_D8; // Pin D8 mapped to pin GPIO8/FLASH_D1 of ESP32
#else
const int TRIGGER_PIN2 = PIN_D25; // Pin D25 mapped to pin GPIO25/ADC18/DAC1 of ESP32
#endif
#else
/* Trigger for inititating config mode is Pin D3 and also flash button on NodeMCU
Flash button is convenient to use but if it is pressed it will stuff up the serial port device driver
until the computer is rebooted on windows machines.
*/
const int TRIGGER_PIN = PIN_D1; // D1 on NodeMCU and WeMos.
/*
Alternative trigger pin. Needs to be connected to a button to use this pin. It must be a momentary connection
not connected permanently to ground. Either trigger pin will work.
*/
const int TRIGGER_PIN2 = PIN_D7; // D7 on NodeMCU and WeMos.
#endif
const char* CONFIG_FILE = "/ConfigSW.json";
// Variables
#define SSID_MAX_LENGTH 32
#define PASSWORD_MAX_LENGTH 32
// From v1.1.1
// You only need to format the filesystem once
//#define FORMAT_FILESYSTEM true
#define FORMAT_FILESYSTEM false
#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 49 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
bool initialConfig = false;
// 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 true
// 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 (_ESPASYNC_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 (_ESPASYNC_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
IPAddress APStaticIP = IPAddress(192, 168, 100, 1);
IPAddress APStaticGW = IPAddress(192, 168, 100, 1);
IPAddress APStaticSN = IPAddress(255, 255, 255, 0);
#include <ESPAsync_WiFiManager.h> //https://github.com/khoih-prog/ESPAsync_WiFiManager
// Redundant, for v1.10.0 only
//#include <ESPAsync_WiFiManager-Impl.h> //https://github.com/khoih-prog/ESPAsync_WiFiManager
// Default Config Portal SID and Password
// SSID and PW for Config Portal
String DefaultPortalSSID = "ESP_" + String(ESP_getChipId(), HEX);
char PortalSSID[SSID_MAX_LENGTH + 1] = "your_ssid";
// Use in case PortalSSID or PortalPassword is invalid (NULL)
String DefaultPortalPassword = "My" + DefaultPortalSSID;
char PortalPassword[PASSWORD_MAX_LENGTH + 1] = "your_password";
#define PortalSSID_Label "PortalSSID"
#define PortalPassword_Label "PortalPassword"
// SSID and PW for your Router
String Router_SSID;
String Router_Pass;
#define HTTP_PORT 80
// Function Prototypes
bool readConfigFile();
bool writeConfigFile();
uint8_t connectMultiWiFi();
///////////////////////////////////////////
// New in v1.4.0
/******************************************
// Defined in ESPAsync_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;
}
void toggleLED()
{
//toggle state
digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
}
#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 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 current_millis;
#define WIFICHECK_INTERVAL 1000L
#if USE_ESP_WIFIMANAGER_NTP
#define HEARTBEAT_INTERVAL 60000L
#else
#define HEARTBEAT_INTERVAL 10000L
#endif
#define LED_INTERVAL 2000L
current_millis = millis();
// Check WiFi every WIFICHECK_INTERVAL (1) seconds.
if ((current_millis > checkwifi_timeout) || (checkwifi_timeout == 0))
{
check_WiFi();
checkwifi_timeout = current_millis + WIFICHECK_INTERVAL;
}
if ((current_millis > LEDstatus_timeout) || (LEDstatus_timeout == 0))
{
// Toggle LED at LED_INTERVAL = 2s
toggleLED();
LEDstatus_timeout = current_millis + LED_INTERVAL;
}
// Print hearbeat every HEARTBEAT_INTERVAL (10) seconds.
if ((current_millis > checkstatus_timeout) || (checkstatus_timeout == 0))
{
heartBeatPrint();
checkstatus_timeout = current_millis + 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"));
}
}
bool readConfigFile()
{
// this opens the config file in read-mode
File f = FileFS.open(CONFIG_FILE, "r");
if (!f)
{
Serial.println(F("Configuration file not found"));
return false;
}
else
{
// we could open the file
size_t size = f.size();
// Allocate a buffer to store contents of the file.
std::unique_ptr<char[]> buf(new char[size + 1]);
// Read and store file contents in buf
f.readBytes(buf.get(), size);
// Closing file
f.close();
// Using dynamic JSON buffer which is not the recommended memory model, but anyway
// See https://github.com/bblanchon/ArduinoJson/wiki/Memory%20model
#if (ARDUINOJSON_VERSION_MAJOR >= 6)
DynamicJsonDocument json(1024);
auto deserializeError = deserializeJson(json, buf.get());
if ( deserializeError )
{
Serial.println(F("JSON parseObject() failed"));
return false;
}
serializeJson(json, Serial);
#else
DynamicJsonBuffer jsonBuffer;
// Parse JSON string
JsonObject& json = jsonBuffer.parseObject(buf.get());
// Test if parsing succeeds.
if (!json.success())
{
Serial.println(F("JSON parseObject() failed"));
return false;
}
json.printTo(Serial);
#endif
// Parse all config file parameters, override
// local config variables with parsed values
if (json.containsKey(PortalSSID_Label))
{
strcpy(PortalSSID, json[PortalSSID_Label]);
}
if (json.containsKey(PortalPassword_Label))
{
strcpy(PortalPassword, json[PortalPassword_Label]);
}
}
Serial.println(F("\nConfig file was successfully parsed"));
return true;
}
bool writeConfigFile()
{
Serial.println(F("Saving config file"));
#if (ARDUINOJSON_VERSION_MAJOR >= 6)
DynamicJsonDocument json(1024);
#else
DynamicJsonBuffer jsonBuffer;
JsonObject& json = jsonBuffer.createObject();
#endif
// JSONify local configuration parameters
json[PortalSSID_Label] = PortalSSID;
json[PortalPassword_Label] = PortalPassword;
// Open file for writing
File f = FileFS.open(CONFIG_FILE, "w");
if (!f)
{
Serial.println(F("Failed to open config file for writing"));
return false;
}
#if (ARDUINOJSON_VERSION_MAJOR >= 6)
serializeJsonPretty(json, Serial);
// Write data to file and close it
serializeJson(json, f);
#else
json.prettyPrintTo(Serial);
// Write data to file and close it
json.printTo(f);
#endif
f.close();
Serial.println(F("\nConfig file was successfully saved"));
return true;
}
// Setup function
void setup()
{
// Initialize the LED digital pin as an output.
pinMode(LED_BUILTIN, OUTPUT);
// Initialize trigger pins
pinMode(TRIGGER_PIN, INPUT_PULLUP);
pinMode(TRIGGER_PIN2, INPUT_PULLUP);
// Put your setup code here, to run once
Serial.begin(115200);
while (!Serial);
delay(200);
Serial.print(F("\nStarting Async_ConfigPortalParamsOnSwitch using "));
Serial.print(FS_Name);
Serial.print(F(" on "));
Serial.println(ARDUINO_BOARD);
Serial.println(ESP_ASYNC_WIFIMANAGER_VERSION);
#if defined(ESP_ASYNC_WIFIMANAGER_VERSION_INT)
if (ESP_ASYNC_WIFIMANAGER_VERSION_INT < ESP_ASYNC_WIFIMANAGER_VERSION_MIN)
{
Serial.print("Warning. Must use this example on Version later than : ");
Serial.println(ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET);
}
#endif
Serial.setDebugOutput(false);
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);
}
}
}
if (!readConfigFile())
{
Serial.println(F("Failed to read configuration file, using default values"));
}
unsigned long startedAt = millis();
// New in v1.4.0
initAPIPConfigStruct(WM_AP_IPconfig);
initSTAIPConfigStruct(WM_STA_IPconfig);
//////
//Local intialization. Once its business is done, there is no need to keep it around
// Use this to default DHCP hostname to ESP8266-XXXXXX or ESP32-XXXXXX
//ESPAsync_WiFiManager ESPAsync_wifiManager(&webServer, &dnsServer);
// Use this to personalize DHCP hostname (RFC952 conformed)
AsyncWebServer webServer(HTTP_PORT);
#if ( USING_ESP32_S2 || USING_ESP32_C3 )
ESPAsync_WiFiManager ESPAsync_wifiManager(&webServer, NULL, "AsyncCP-ParamsOnSW");
#else
AsyncDNSServer dnsServer;
ESPAsync_WiFiManager ESPAsync_wifiManager(&webServer, &dnsServer, "AsyncCP-ParamsOnSW");
#endif
#if USE_CUSTOM_AP_IP
//set custom ip for portal
// New in v1.4.0
ESPAsync_wifiManager.setAPStaticIPConfig(WM_AP_IPconfig);
//////
#endif
ESPAsync_wifiManager.setMinimumSignalQuality(-1);
// From v1.0.10 only
// Set config portal channel, default = 1. Use 0 => random channel from 1-11
ESPAsync_wifiManager.setConfigPortalChannel(0);