RE,
J'ai fait ce que vous m'aviez dis messieurs mais j'ai des erreurs qui apparaissent dans l'IDE Arduino dans le code, voici les erreurs :
"sketch\Arduinot_DS18B20_Web_Temperature.ino.cpp.o: In function `loop':
C:\Users\Maison\Documents\Arduino\Arduinot_DS18B20_Web_Temperature/Arduinot_DS18B20_Web_Temperature.ino:54: undefined reference to `OneWire::search(unsigned char*, bool)'
C:\Users\Maison\Documents\Arduino\Arduinot_DS18B20_Web_Temperature/Arduinot_DS18B20_Web_Temperature.ino:68: undefined reference to `OneWire::crc8(unsigned char const*, unsigned char)'
C:\Users\Maison\Documents\Arduino\Arduinot_DS18B20_Web_Temperature/Arduinot_DS18B20_Web_Temperature.ino:94: undefined reference to `OneWire::select(unsigned char const*)'
C:\Users\Maison\Documents\Arduino\Arduinot_DS18B20_Web_Temperature/Arduinot_DS18B20_Web_Temperature.ino:101: undefined reference to `OneWire::select(unsigned char const*)'
C:\Users\Maison\Documents\Arduino\Arduinot_DS18B20_Web_Temperature/Arduinot_DS18B20_Web_Temperature.ino:113: undefined reference to `OneWire::crc8(unsigned char const*, unsigned char)'
collect2.exe: error: ld returned 1 exit status
exit status 1
Error compiling for board Arduino/Genuino Uno."
Et voici le code modifé :
// OneWire DS18S20, DS18B20, DS1822 Temperature Example
//
// http://www.pjrc.com/teensy/td_libs_OneWire.html
//
// The DallasTemperature library can do all this work for you!
// http://milesburton.com/Dallas_Temperature_Control_Library
#include <OneWire.h>
#include <SPI.h>
#include <Ethernet2.h>
// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network:
byte mac[] = {
0x90, 0xA2, 0xDA, 0x10, 0x0A, 0x7D // Enter your ethernet MAC address. You will find it behind your arduino board.
};
IPAddress ip(192, 168, 1, 5);// Set your IP address for Arduino Board
unsigned char mask[] = {255,255,255,0};
unsigned char gateway[] = {192,168,1,1};
// Initialize the Ethernet server library
// with the IP address and port you want to use
// (port 80 is default for HTTP):
EthernetServer server(80);
OneWire ds(2); // on pin 2
void setup(void) {
// Open serial communications and wait for port to open:
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
// start the Ethernet connection and the server:
Ethernet.begin(mac, ip, gateway, mask);
server.begin();
Serial.print("server is at ");
Serial.println(Ethernet.localIP());
}
void loop(void) {
byte i;
byte present = 0;
byte type_s;
byte data[12];
byte addr[8];
float celsius, fahrenheit;
if ( !ds.search(addr)) {
Serial.println("No more addresses.");
Serial.println();
ds.reset_search();
delay(250);
return;
}
Serial.print("ROM =");
for( i = 0; i < 8; i++) {
Serial.write(' ');
Serial.print(addr[i], HEX);
}
if (OneWire::crc8(addr, 7) != addr[7]) {
Serial.println("CRC is not valid!");
return;
}
Serial.println();
// the first ROM byte indicates which chip
switch (addr[0]) {
case 0x10:
Serial.println(" Chip = DS18S20"); // or old DS1820
type_s = 1;
break;
case 0x28:
Serial.println(" Chip = DS18B20");
type_s = 0;
break;
case 0x22:
Serial.println(" Chip = DS1822");
type_s = 0;
break;
default:
Serial.println("Device is not a DS18x20 family device.");
return;
}
ds.reset();
ds.select(addr);
ds.write(0x44); // start conversion, use ds.write(0x44,1) with parasite power on at the end
delay(1000); // maybe 750ms is enough, maybe not
// we might do a ds.depower() here, but the reset will take care of it.
present = ds.reset();
ds.select(addr);
ds.write(0xBE); // Read Scratchpad
Serial.print(" Data = ");
Serial.print(present, HEX);
Serial.print(" ");
for ( i = 0; i < 9; i++) { // we need 9 bytes
data[i] = ds.read();
Serial.print(data[i], HEX);
Serial.print(" ");
}
Serial.print(" CRC=");
Serial.print(OneWire::crc8(data, 8), HEX);
Serial.println();
// Convert the data to actual temperature
// because the result is a 16 bit signed integer, it should
// be stored to an "int16_t" type, which is always 16 bits
// even when compiled on a 32 bit processor.
int16_t raw = (data[1] << 8) | data[0];
if (type_s) {
raw = raw << 3; // 9 bit resolution default
if (data[7] == 0x10) {
// "count remain" gives full 12 bit resolution
raw = (raw & 0xFFF0) + 12 - data[6];
}
} else {
byte cfg = (data[4] & 0x60);
// at lower res, the low bits are undefined, so let's zero them
if (cfg == 0x00) raw = raw & ~7; // 9 bit resolution, 93.75 ms
else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms
else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
//// default is 12 bit resolution, 750 ms conversion time
}
celsius = (float)raw / 16.0;
fahrenheit = celsius * 1.8 + 32.0;
Serial.print(" Temperature = ");
Serial.print(celsius);
Serial.print(" Celsius, ");
Serial.print(fahrenheit);
Serial.println(" Fahrenheit");
// listen for incoming clients
EthernetClient client = server.available();
if (client) {
// Serial.println("new client");
// an http request ends with a blank line
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
// Serial.write(c);
// if you've gotten to the end of the line (received a newline
// character) and the line is blank, the http request has ended,
// so you can send a reply
if (c == '\n' && currentLineIsBlank) {
// send a standard http response header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close"); // the connection will be closed after completion of the response
client.println("Refresh: 5"); // refresh the page automatically every 5 sec
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.print("<p style='text-align: center;'> </p>");
client.print("<p style='text-align: center;'><span style='font-size: x-large;'><strong>Welcome To My Home</strong></span></p>");
client.print("<p style='text-align: center;'><span style='color: #0000ff;'><strong style='font-size: large;'>Room Temperature = ");
client.println(celsius);
client.print("</strong></span><h style='text-align: center;'><span style='color: #0000ff;'><strong style='font-size: large;'><sup>o</sup>C</strong></span></h></p>");
client.print("<p style='text-align: center;'> </p>");
client.print("<p style='text-align: center;'> </p>");
client.print("<p style='text-align: center;'> ");
// Date and Time script
client.print("<script language='javascript'>");
client.println();
client.print("<!--");
client.println();
client.print("var today = new Date()");
client.println();
client.print("document.write(today); //--> </script>");
client.print("</p>");
client.println("</html>");
break;
}
if (c == '\n') {
// you're starting a new line
currentLineIsBlank = true;
}
else if (c != '\r') {
// you've gotten a character on the current line
currentLineIsBlank = false;
}
}
}
// give the web browser time to receive the data
delay(1);
// close the connection:
client.stop();
// Serial.println("client disconnected");
}
}
)
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