1  // SPDX-FileCopyrightText: 2021 Limor Fried for Adafruit Industries
 2  //
 3  // SPDX-License-Identifier: MIT
 4  
 5  #include "WiFi.h"
 6  #include <Adafruit_TestBed.h>
 7  extern Adafruit_TestBed TB;
 8  
 9  // the setup routine runs once when you press reset:
10  void setup() {
11    Serial.begin(115200);
12  
13    // Set up QT port
14    Wire1.setPins(SDA1, SCL1);
15  
16    // TestBed will handle the neopixel swirl for us
17    TB.neopixelPin = PIN_NEOPIXEL;
18    TB.neopixelNum = 1;
19    TB.begin();
20  
21    // Set WiFi to station mode and disconnect from an AP if it was previously connected
22    WiFi.mode(WIFI_STA);
23    WiFi.disconnect();
24  }
25  
26  // the loop routine runs over and over again forever:
27  uint8_t wheelColor=0;
28  void loop() {
29    if (wheelColor == 0) {
30      // Test I2C!
31      Serial.print("Default (pads) port ");
32      TB.theWire = &Wire;
33      TB.printI2CBusScan();
34      Serial.print("Secondary (QT) port ");
35      TB.theWire = &Wire1;
36      TB.printI2CBusScan();
37  
38      // Test WiFi Scan!
39      // WiFi.scanNetworks will return the number of networks found
40      int n = WiFi.scanNetworks();
41      Serial.print("WiFi AP scan done...");
42      if (n == 0) {
43          Serial.println("no networks found");
44      } else {
45          Serial.print(n);
46          Serial.println(" networks found");
47          for (int i = 0; i < n; ++i) {
48              // Print SSID and RSSI for each network found
49              Serial.print(i + 1);
50              Serial.print(": ");
51              Serial.print(WiFi.SSID(i));
52              Serial.print(" (");
53              Serial.print(WiFi.RSSI(i));
54              Serial.print(")");
55              Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?" ":"*");
56              delay(10);
57          }
58      }
59      Serial.println("");
60    }
61  
62    TB.setColor(TB.Wheel(wheelColor++)); // swirl NeoPixel
63  
64    delay(5);
65  }