hi everyone, i am trying to get the ip from my code but it doesnt come in the serial monitor. here is my code
#include <SPI.h>
#include <Ethernet.h>
#include <Wire.h>
#include <U8g2lib.h>
#include <BH1750.h>
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192, 168, 178, 177);
EthernetServer server(80);
U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, U8X8_PIN_NONE);
BH1750 lightMeter;
//192.168.178.177
const int distancePin = A0, distanceDigitalPin = 7, magnetPin = 5;
void setup() {
SPI.begin();
server.begin();
Serial.begin(9600);
Wire.begin();
lightMeter.begin();
pinMode(magnetPin, INPUT_PULLUP);
pinMode(distanceDigitalPin, INPUT);
u8g2.begin();
Ethernet.begin(mac, ip);
Serial.print(Ethernet.localIP());
};
int getDistance() {
return analogRead(distancePin) * 0.488;
}
void loop() {
Serial.print(Ethernet.localIP());
EthernetClient client = server.available();
if (client) {
client.readStringUntil('\r');
client.flush();
int lux = lightMeter.readLightLevel(), distance = getDistance();
bool objectDetected = !digitalRead(distanceDigitalPin), magnet = !digitalRead(magnetPin);
u8g2.clearBuffer();
u8g2.setFont(u8g2_font_ncenB08_tr);
u8g2.setCursor(0, 10);
u8g2.print(F("Licht: ")); u8g2.print(lux); u8g2.print(F(" lx"));
u8g2.setCursor(0, 20);
u8g2.print(F("Afstand: ")); u8g2.print(distance); u8g2.print(F(" cm"));
u8g2.setCursor(0, 30);
u8g2.print(F("Object: ")); u8g2.print(objectDetected ? F("Ja") : F("Nee"));
u8g2.setCursor(0, 40);
u8g2.print(F("Magneet: ")); u8g2.print(magnet ? F("Ja") : F("Nee"));
u8g2.sendBuffer();
client.println(F("HTTP/1.1 200 OK\nContent-Type: text/html\nConnection: close\n"));
client.println(F("<html><head><script src='https://cdn.jsdelivr.net/npm/chart.js'></script></head><body>"));
client.println(F("<canvas id='chart'></canvas><script>"));
client.println(F("async function fetchData() { fetch('/data').then(r => r.json()).then(updateChart); }"));
client.println(F("function updateChart(d) { let t = new Date().toLocaleTimeString(); chart.data.labels.push(t);"));
client.println(F("chart.data.datasets[0].data.push(d.lux); if (chart.data.labels.length > 20) { chart.data.labels.shift(); chart.data.datasets[0].data.shift(); } chart.update(); }"));
client.println(F("setInterval(fetchData, 2000);"));
client.println(F("const ctx = document.getElementById('chart').getContext('2d');"));
client.println(F("const chart = new Chart(ctx, { type: 'line', data: { labels: [], datasets: [{ label: 'Licht', borderColor: 'blue', data: [] }] } } });"));
client.println(F("</script></body></html>"));
client.stop();
};
};
btw i want to know the ip so i know it is connected