Hello everyone,
I’ve tried a simple example program to create an access point on ESP32. It is visible on my smartphone, but when I try to connect to it, it is hanging on “acquiring IP address” step.
My code:
#include <Arduino.h>
#include <Preferences.h>
#include <WiFi.h>
Preferences preferences;
void setup() {
Serial.begin(115200);
String ssid, pass;
bool result = preferences.begin("gnuk-esp32", false);
if(result) {
ssid = preferences.getString("ssid", "gnuk-esp32");
pass = preferences.getString("pass", "");
}
WiFi.softAP(ssid.c_str(), pass.c_str());
WiFi.onEvent([](system_event_t *sys_event){
Serial.println("SYSTEM_EVENT_AP_STACONNECTED");
Serial.printf(MACSTR, MAC2STR(sys_event->event_info.sta_connected.mac));
}, SYSTEM_EVENT_AP_STACONNECTED);
WiFi.onEvent([](system_event_t *sys_event){
Serial.println("SYSTEM_EVENT_AP_STADISCONNECTED");
Serial.printf(MACSTR, MAC2STR(sys_event->event_info.sta_disconnected.mac));
}, SYSTEM_EVENT_AP_STADISCONNECTED);
}
void loop() {
}
My platformio.ini
relevant part:
[env:esp-wrover-kit]
platform = espressif32
board = esp-wrover-kit
framework = arduino
By default it creates “gnuk-esp32” AP without password. I can see repeated lines of “SYSTEM_EVENT_AP_STACONNECTED” and “SYSTEM_EVENT_AP_STADISCONNECTED” in the serial output.
What am I missing here?