[Nano 33 IoT] WiFi Client Example(1)

 

 

#include <WiFiNINA.h>
#include <time.h>
#include <WiFiUdp.h>
#include <NTPClient.h>
#include "BConstants.h"

#define PIN_Tx0 0
#define PIN_Rx0 1
#define PIN_UARTCONTROL 2
#define PIN_LED 2
#define PIN_IRRx0 3
#define PIN_IRTx0 4
#define PIN_SWITCHIN 5
#define PIN_RELAYCONTROL 6
#define PIN_DRIVER1 7
#define PIN_DRIVER2 8
#define PIN_DRIVER3 9
#define PIN_DRIVER5 10
#define PIN_Rx1 11
#define PIN_Tx1 12

#define PIN_ADC0 A0
#define PIN_ADC1 A1
#define PIN_ADC2 A2

#define NTP_PACKET_SIZE 48

const char WiFi_SSID[] = SECRET_SSID;
const char WiFi_PW[] = SECRET_WIFIPW;
const int TimeZone = 3;

int status = WL_IDLE_STATUS;
char server[] = "www.google.com";


byte NTPPacketBuffer[NTP_PACKET_SIZE];

int Count1 = 0;
WiFiClient client;

void setup(){
  Serial.begin(9600);
  while(!Serial);
  
  if(WiFi.status() == WL_NO_MODULE){
    Serial.println("[?] Communication with WiFi module failed");
    while(true);
  }
  
  String tv = WiFi.firmwareVersion();
  if(tv < WIFI_FIRMWARE_LATEST_VERSION){
    Serial.println("Please upgrade the firmmware");
  }
  
  while(status != WL_CONNECTED){
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(WiFi_SSID);
    status = WiFi.begin(WiFi_SSID, WiFi_PW);
    delay(1000);
  }
  Serial.println("Connected to WiFi");
  printWiFiStatus();
  
  Serial.println("\nStarting connection to server ...");
  if(client.connect(server, 80)){
    Serial.println("connected to server ");
    
    client.println("GET /search?q=nano33 HTTP/1.1");
    client.print("Host: ");
    client.print(server);
    client.println("Connection: close");
    client.println();
  }

}

void loop(){
  while(client.available()){
    char c = client.read();
    Serial.write(c);
  }
  
  if(!client.connected()){
    Serial.println();
    Serial.println("Disconnected from server.");
    client.stop();
    
    while(true);
  }
}

void printWiFiStatus(){
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());
  
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);
  
  long rssi = WiFi.RSSI();
  Serial.print("signal strength (RSSI): ");
  Serial.print(rssi);
  Serial.println(" dBm"); 
}