Raspberry Pi Pico W Setup & Debugging

1// Simple WiFi network scanner application
2// Released to the public   domain in 2022 by Earle F. Philhower, III
3#include <WiFi.h>
4
5void setup()   {
6    Serial1.begin(115200);
7}
8
9const char* macToString(uint8_t mac[6])   {
10    static char s[20];
11    sprintf(s, "%02X:%02X:%02X:%02X:%02X:%02X",   mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
12    return s;
13}
14 
15const   char* encToString(uint8_t enc) {
16    switch (enc) {
17    case ENC_TYPE_NONE:   return "NONE";
18    case ENC_TYPE_TKIP: return "WPA";
19    case ENC_TYPE_CCMP:   return "WPA2";
20    case ENC_TYPE_AUTO: return "AUTO";
21    }
22    return   "UNKN";
23} 
24
25void loop() {
26    delay(5000);
27    Serial1.printf("Beginning   scan at %d\
28", millis());
29    auto cnt = WiFi.scanNetworks();
30    if (!cnt)   {
31        Serial1.printf("No networks found\
32");
33    }
34    else {
35         Serial1.printf("Found %d networks\
36\
37", cnt);
38        Serial1.printf("%32s   %5s %17s %2s %4s\
39", "SSID", "ENC", "BSSID        ", "CH", "RSSI");
40         for (auto i = 0; i < cnt; i++) {
41            uint8_t bssid[6];
42            WiFi.BSSID(i,   bssid);
43            Serial1.printf("%32s %5s %17s %2d %4d\
44", WiFi.SSID(i),   encToString(WiFi.encryptionType(i)), macToString(bssid), WiFi.channel(i), WiFi.RSSI(i));
45         }
46    }
47    Serial1.printf("\
48--- Sleeping ---\
49\
50\
51");
52     delay(5000);
53}
54

1// Simple WiFi network scanner application
2// Released to the public  domain in 2022 by Earle F. Philhower, III
3#include <WiFi.h>
4
5void setup()  {
6    Serial1.begin(115200);
7}
8
9const char* macToString(uint8_t mac[6])  {
10    static char s[20];
11    sprintf(s, "%02X:%02X:%02X:%02X:%02X:%02X",  mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
12    return s;
13}
14 
15const  char* encToString(uint8_t enc) {
16    switch (enc) {
17    case ENC_TYPE_NONE:  return "NONE";
18    case ENC_TYPE_TKIP: return "WPA";
19    case ENC_TYPE_CCMP:  return "WPA2";
20    case ENC_TYPE_AUTO: return "AUTO";
21    }
22    return  "UNKN";
23} 
24
25void loop() {
26    delay(5000);
27    Serial1.printf("Beginning  scan at %d\
28", millis());
29    auto cnt = WiFi.scanNetworks();
30    if (!cnt)  {
31        Serial1.printf("No networks found\
32");
33    }
34    else {
35        Serial1.printf("Found %d networks\
36\
37", cnt);
38        Serial1.printf("%32s  %5s %17s %2s %4s\
39", "SSID", "ENC", "BSSID        ", "CH", "RSSI");
40        for (auto i = 0; i < cnt; i++) {
41            uint8_t bssid[6];
42            WiFi.BSSID(i,  bssid);
43            Serial1.printf("%32s %5s %17s %2d %4d\
44", WiFi.SSID(i),  encToString(WiFi.encryptionType(i)), macToString(bssid), WiFi.channel(i), WiFi.RSSI(i));
45        }
46    }
47    Serial1.printf("\
48--- Sleeping ---\
49\
50\
51");
52    delay(5000);
53}
54