Raspberry Pi Pico W Setup & Debugging

Gain the power of the RP2040 Processor with in-built WiFi for a very reasonable price, along with Hardware Debugging capabilities!

Jul 20, 2022

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debugging tools

home automation

communication

Devices & Components

Raspberry Pi Pico

USB-A to Micro-USB Cable

Female/Female Jumper Wires

Raspberry Pi Pico W

Software & Tools

Visual Studio 2017

Visual Micro

Arduino IDE

Project description

Code

Raspberry Pi Pico W - WifiScan Example

arduino

Simple Sketch to scan WiFi networks on the Raspberry Pi Pico-W, using the Serial1 interface which runs through the PicoProbe.

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

// Simple WiFi network scanner application
// Released to the public   domain in 2022 by Earle F. Philhower, III
#include <WiFi.h>

void setup()   {
    Serial1.begin(115200);
}

const char* macToString(uint8_t mac[6])   {
    static char s[20];
    sprintf(s, "%02X:%02X:%02X:%02X:%02X:%02X",   mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
    return s;
}
 
const   char* encToString(uint8_t enc) {
    switch (enc) {
    case ENC_TYPE_NONE:   return "NONE";
    case ENC_TYPE_TKIP: return "WPA";
    case ENC_TYPE_CCMP:   return "WPA2";
    case ENC_TYPE_AUTO: return "AUTO";
    }
    return   "UNKN";
} 

void loop() {
    delay(5000);
    Serial1.printf("Beginning   scan at %d\
", millis());
    auto cnt = WiFi.scanNetworks();
    if (!cnt)   {
        Serial1.printf("No networks found\
");
    }
    else {
         Serial1.printf("Found %d networks\
\
", cnt);
        Serial1.printf("%32s   %5s %17s %2s %4s\
", "SSID", "ENC", "BSSID        ", "CH", "RSSI");
         for (auto i = 0; i < cnt; i++) {
            uint8_t bssid[6];
            WiFi.BSSID(i,   bssid);
            Serial1.printf("%32s %5s %17s %2d %4d\
", WiFi.SSID(i),   encToString(WiFi.encryptionType(i)), macToString(bssid), WiFi.channel(i), WiFi.RSSI(i));
         }
    }
    Serial1.printf("\
--- Sleeping ---\
\
\
");
     delay(5000);
}

Raspberry Pi Pico W - WifiScan Example

arduino

Simple Sketch to scan WiFi networks on the Raspberry Pi Pico-W, using the Serial1 interface which runs through the PicoProbe.

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

// Simple WiFi network scanner application
// Released to the public  domain in 2022 by Earle F. Philhower, III
#include <WiFi.h>

void setup()  {
    Serial1.begin(115200);
}

const char* macToString(uint8_t mac[6])  {
    static char s[20];
    sprintf(s, "%02X:%02X:%02X:%02X:%02X:%02X",  mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
    return s;
}
 
const  char* encToString(uint8_t enc) {
    switch (enc) {
    case ENC_TYPE_NONE:  return "NONE";
    case ENC_TYPE_TKIP: return "WPA";
    case ENC_TYPE_CCMP:  return "WPA2";
    case ENC_TYPE_AUTO: return "AUTO";
    }
    return  "UNKN";
} 

void loop() {
    delay(5000);
    Serial1.printf("Beginning  scan at %d\
", millis());
    auto cnt = WiFi.scanNetworks();
    if (!cnt)  {
        Serial1.printf("No networks found\
");
    }
    else {
        Serial1.printf("Found %d networks\
\
", cnt);
        Serial1.printf("%32s  %5s %17s %2s %4s\
", "SSID", "ENC", "BSSID        ", "CH", "RSSI");
        for (auto i = 0; i < cnt; i++) {
            uint8_t bssid[6];
            WiFi.BSSID(i,  bssid);
            Serial1.printf("%32s %5s %17s %2d %4d\
", WiFi.SSID(i),  encToString(WiFi.encryptionType(i)), macToString(bssid), WiFi.channel(i), WiFi.RSSI(i));
        }
    }
    Serial1.printf("\
--- Sleeping ---\
\
\
");
    delay(5000);
}

Downloadable files

Raspberry Pi Pico W to Pico Probe Wiring Diagram

Shows how to connect the Pico Probe to the Raspberry Pi Pico or Pico-W board for debugging and serial throughput.

Raspberry Pi Pico W to Pico Probe Wiring Diagram

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