Can no longer access the access point with a Web browser

Official Hardware UNO Family UNO R4 WiFi
1

I was able to run the access point server LED-blinking example on the Arduino documentation site using an Arduino Uno Revision 4 WiFi a few days ago, but now the browser (Firefox) is no longer able to get any response. Neither can ping. Here's a link to the code: Link on Github

Here's what I got on the serial monitor by running the program:

Access Point Web Server

Creating access point named: CenturyLink7981

SSID: CenturyLink7981

IP Address: 192.48.56.2

To see this page in action, open a browser to http://192.48.56.2

What could have gone wrong? My firmware is up-to-date, and I've rebooted the Arduino multiple times. I also restarted the Arduino IDE, as well as the wireless router. Thanks!

2

Here's an update: At the top of loop(), I printed out WiFi.status(), and received the code 7. I tried to find the source code for the WiFiS3 library, but couldn't. The directory of all Arduino libraries doesn't seem to have this library. So I looked up the code for the WiFi library, and the codes that are defined are 0 through 6 and 255, no 7! Hopefully this helps. Strange that the WiFiS3 library is not properly documented. Am I missing something?

3

The status is returned from the UNOR4Bridge software.

#define WIFI_ST_NO_SHIELD            255
#define WIFI_ST_NO_MODULE            255
#define WIFI_ST_IDLE_STATUS           0
#define WIFI_ST_NO_SSID_AVAIL         1
#define WIFI_ST_SCAN_COMPLETED        2
#define WIFI_ST_CONNECTED             3
#define WIFI_ST_CONNECT_FAILED        4
#define WIFI_ST_CONNECTION_LOST       5
#define WIFI_ST_DISCONNECTED          6
#define WIFI_ST_AP_LISTENING          7
#define WIFI_ST_AP_CONNECTED          8
#define WIFI_ST_AP_FAILED             9

Try to first disconnect from the local WIFI, then connect your PC to the access point IP and then use the browser. The credentials to login to the AP are defined in the tab arduino_secrets.h