weatherstation/firmware/libraries/WiFiManager/examples/ParamsChildClass/ParamsChildClass.ino

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2022-09-15 10:23:02 +02:00
/**
* WiFiManagerParameter child class example
*/
#include <WiFiManager.h> // https://github.com/tzapu/WiFiManager
#include <Arduino.h>
#include <EEPROM.h>
#define SETUP_PIN 0
class IPAddressParameter : public WiFiManagerParameter {
public:
IPAddressParameter(const char *id, const char *placeholder, IPAddress address)
: WiFiManagerParameter("") {
init(id, placeholder, address.toString().c_str(), 16, "", WFM_LABEL_BEFORE);
}
bool getValue(IPAddress &ip) {
return ip.fromString(WiFiManagerParameter::getValue());
}
};
class IntParameter : public WiFiManagerParameter {
public:
IntParameter(const char *id, const char *placeholder, long value, const uint8_t length = 10)
: WiFiManagerParameter("") {
init(id, placeholder, String(value).c_str(), length, "", WFM_LABEL_BEFORE);
}
long getValue() {
return String(WiFiManagerParameter::getValue()).toInt();
}
};
class FloatParameter : public WiFiManagerParameter {
public:
FloatParameter(const char *id, const char *placeholder, float value, const uint8_t length = 10)
: WiFiManagerParameter("") {
init(id, placeholder, String(value).c_str(), length, "", WFM_LABEL_BEFORE);
}
float getValue() {
return String(WiFiManagerParameter::getValue()).toFloat();
}
};
struct Settings {
float f;
int i;
char s[20];
uint32_t ip;
} sett;
void setup() {
WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP
pinMode(SETUP_PIN, INPUT_PULLUP);
Serial.begin(115200);
//Delay to push SETUP button
Serial.println("Press setup button");
for (int sec = 3; sec > 0; sec--) {
Serial.print(sec);
Serial.print("..");
delay(1000);
}
// warning for example only, this will initialize empty memory into your vars
// always init flash memory or add some checksum bits
EEPROM.begin( 512 );
EEPROM.get(0, sett);
Serial.println("Settings loaded");
if (digitalRead(SETUP_PIN) == LOW) {
// Button pressed
Serial.println("SETUP");
WiFiManager wm;
sett.s[19] = '\0'; //add null terminator at the end cause overflow
WiFiManagerParameter param_str( "str", "param_string", sett.s, 20);
FloatParameter param_float( "float", "param_float", sett.f);
IntParameter param_int( "int", "param_int", sett.i);
IPAddress ip(sett.ip);
IPAddressParameter param_ip("ip", "param_ip", ip);
wm.addParameter( &param_str );
wm.addParameter( &param_float );
wm.addParameter( &param_int );
wm.addParameter( &param_ip );
//SSID & password parameters already included
wm.startConfigPortal();
strncpy(sett.s, param_str.getValue(), 20);
sett.s[19] = '\0';
sett.f = param_float.getValue();
sett.i = param_int.getValue();
Serial.print("String param: ");
Serial.println(sett.s);
Serial.print("Float param: ");
Serial.println(sett.f);
Serial.print("Int param: ");
Serial.println(sett.i, DEC);
if (param_ip.getValue(ip)) {
sett.ip = ip;
Serial.print("IP param: ");
Serial.println(ip);
} else {
Serial.println("Incorrect IP");
}
EEPROM.put(0, sett);
if (EEPROM.commit()) {
Serial.println("Settings saved");
} else {
Serial.println("EEPROM error");
}
}
else {
Serial.println("WORK");
//connect to saved SSID
WiFi.begin();
//do smth
Serial.print("String param: ");
Serial.println(sett.s);
Serial.print("Float param: ");
Serial.println(sett.f);
Serial.print("Int param: ");
Serial.println(sett.i, DEC);
Serial.print("IP param: ");
IPAddress ip(sett.ip);
Serial.println(ip);
}
}
void loop() {
}