ssid in the code below with the actual Wi-Fi name and password with the actual Wi-Fi password.#include <M5Unified.h>
#include <WiFi.h>
const char *ssid = "ssid";
const char *password = "password";
void setup()
{
Serial.begin(115200);
delay(1000);
Serial.println();
Serial.println("Stamp-C5 Wi-Fi demo");
// STA MODE
WiFi.mode(WIFI_STA);
Serial.println("WiFi mode set to STA");
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println();
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
Serial.print("RSSI: ");
Serial.print(WiFi.RSSI());
Serial.println(" dBm");
// AP MODE
// WiFi.mode(WIFI_AP);
// Serial.println("WiFi mode set to AP");
// WiFi.softAP(ssid, password);
// Serial.println("AP started");
// Serial.print("IP address: ");
// Serial.println(WiFi.softAPIP());
}
void loop()
{
}Example serial output:
Stamp-C5 Wi-Fi demo
WiFi mode set to STA
Connecting to M5Stack
....
Connected to M5Stack
IP address: 192.168.51.135
RSSI: -59 dBm #include <M5Unified.h>
#include <WiFi.h>
void setup()
{
Serial.begin(115200);
delay(1000);
WiFi.mode(WIFI_STA);
WiFi.disconnect();
delay(100);
}
void loop()
{
Serial.println("Scan start");
// WiFi.scanNetworks will return the number of networks found.
int n = WiFi.scanNetworks();
Serial.println("Scan done");
if (n == 0) {
Serial.println("no networks found");
} else {
Serial.print(n);
Serial.println(" networks found");
Serial.println("Nr | SSID | RSSI | CH | Encryption");
for (int i = 0; i < n; ++i) {
Serial.printf("%2d", i + 1);
Serial.print(" | ");
Serial.printf("%-32.32s", WiFi.SSID(i).c_str());
Serial.print(" | ");
Serial.printf("%4ld", static_cast<long>(WiFi.RSSI(i)));
Serial.print(" | ");
Serial.printf("%2ld", static_cast<long>(WiFi.channel(i)));
Serial.print(" | ");
switch (WiFi.encryptionType(i)) {
case WIFI_AUTH_OPEN:
Serial.print("open");
break;
case WIFI_AUTH_WEP:
Serial.print("WEP");
break;
case WIFI_AUTH_WPA_PSK:
Serial.print("WPA");
break;
case WIFI_AUTH_WPA2_PSK:
Serial.print("WPA2");
break;
case WIFI_AUTH_WPA_WPA2_PSK:
Serial.print("WPA+WPA2");
break;
case WIFI_AUTH_WPA2_ENTERPRISE:
Serial.print("WPA2-EAP");
break;
case WIFI_AUTH_WPA3_PSK:
Serial.print("WPA3");
break;
case WIFI_AUTH_WPA2_WPA3_PSK:
Serial.print("WPA2+WPA3");
break;
case WIFI_AUTH_WAPI_PSK:
Serial.print("WAPI");
break;
default:
Serial.print("unknown");
break;
}
Serial.println();
delay(10);
}
}
Serial.println();
// Delete the scan result to free memory for code below.
WiFi.scanDelete();
// Wait a bit before scanning again.
delay(5000);
}Example serial output:
Scan start
Scan done
5 networks found
Nr | SSID | RSSI | CH | Encryption
1 | M5Stack | -45 | 6 | WPA2+WPA3
2 | M5Stack-Guest | -58 | 6 | WPA2
3 | Office-WiFi | -63 | 11 | WPA+WPA2
4 | IoT-Test | -72 | 1 | WPA2
5 | Open-Network | -80 | 1 | open