1  // SPDX-FileCopyrightText: 2022 Limor Fried for Adafruit Industries
 2  //
 3  // SPDX-License-Identifier: MIT
 4  
 5  #include <Arduino.h>
 6  #include <Adafruit_NeoPixel.h>
 7  #include "Adafruit_TestBed.h"
 8  #include <WiFi.h>
 9  #include <WiFiAP.h>
10  #include <esp_wifi.h>
11  
12  extern Adafruit_TestBed TB;
13  
14  IPAddress myIP;
15  
16  
17  void setup() {
18    Serial.begin(115200);
19    //while (! Serial) delay(10);
20  
21    delay(100);
22    Serial.println("QT Py ESP32 Pico factory test!");
23  
24    Serial.printf("Total heap: %d\n", ESP.getHeapSize());
25    Serial.printf("Free heap: %d\n", ESP.getFreeHeap());
26    Serial.printf("Total PSRAM: %d\n", ESP.getPsramSize());
27    Serial.printf("Free PSRAM: %d\n", ESP.getFreePsram());
28  
29    pinMode(NEOPIXEL_POWER, OUTPUT);
30    digitalWrite(NEOPIXEL_POWER, HIGH);
31    
32    TB.neopixelPin = PIN_NEOPIXEL;
33    TB.neopixelNum = 1; 
34    TB.begin();
35    TB.setColor(0x0);
36  }
37  
38  uint8_t j = 0;
39  
40  void loop() {
41    if (j == 255) {
42      TB.setColor(GREEN);
43      Serial.println("scan start");
44      // WiFi.scanNetworks will return the number of networks found
45      int n = WiFi.scanNetworks();
46      Serial.println("scan done");
47      if (n == 0) {
48        Serial.println("no networks found");
49      } else {
50        Serial.print(n);
51        Serial.println(" networks found");
52        for (int i = 0; i < n; ++i) {
53            // Print SSID and RSSI for each network found
54            Serial.print(i + 1);
55            Serial.print(": ");
56            Serial.print(WiFi.SSID(i));
57            Serial.print(" (");
58            Serial.print(WiFi.RSSI(i));
59            Serial.print(")");
60            Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?" ":"*");
61            delay(10);
62        }
63      }
64      Serial.println("");
65    }
66    
67    TB.setColor(TB.Wheel(j++));
68    delay(10);
69  }