As told last week I want to comment the code.
For convenience I copy it again:
/*
Ricezione dai sensori porte
Trasmissione verso telecamera
rivelazione rumore
http://code.google.com/p/rc-switch/
Need help? http://forum.ardumote.com
*/
#include <String.h>
#include <RCSwitch.h>
#include <Time.h>
#include <SPI.h>
#include <Ethernet.h>
/* Informazioni Ethernet*/
byte mac[] = {
0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 };
int SERIAL_BAUD = 9600;
int TRASMIT_PIN = 9;
int RECEIVE_PIN = 0;
int NOISE_DIGITAL_PIN = 5;
//Sensori
long PORTA_INGRESSO_SENSORE = 3557625;
long PORTA_CUCINA_SENSORE = 10521177;
long SEGNALE_ACCENZIONE_WEBCAM = 1394001;
long SEGNALE_SPEGNIMENTO_WEBCAM= 1394004;
EthernetClient client;
EthernetServer server(8081);
char smtpServer[] = "smtpcorp.com";
RCSwitch mySwitch = RCSwitch();
void setup() {
Serial.begin(SERIAL_BAUD);
pinMode(SERIAL_BAUD, INPUT);
mySwitch.enableReceive(RECEIVE_PIN);
mySwitch.enableTransmit(TRASMIT_PIN);
setupComm();
}
void loop() {
getClientConnection();
if (detectNoise()){
Serial.print("Rumore");
email("Waring, noise in the house!");
accendiCam(SEGNALE_ACCENZIONE_WEBCAM) ;
}
if (mySwitch.available()) {
int value = mySwitch.getReceivedValue();
Serial.print(value);
if (value == 0) {
Serial.print("Unknown encoding");
Serial.print("n");
}
else {
long receivedValue = mySwitch.getReceivedValue();
if (receivedValue == PORTA_INGRESSO_SENSORE) {
Serial.print("Warning! Door open!");
Serial.print("n");
email("Warning, Door open!");
accendiCam(SEGNALE_ACCENZIONE_WEBCAM) ;
delay(1000);
}
else if(receivedValue == PORTA_CUCINA_SENSORE) {
Serial.print("Warning! Porta cucina aperta!");
Serial.print("n");
email("Attenzione, porta cucina aperta!");
accendiCam(SEGNALE_ACCENZIONE_WEBCAM) ;
delay(1000);
}
Serial.print("Received ");
Serial.print( receivedValue);
Serial.print(" / ");
Serial.print( mySwitch.getReceivedBitlength() );
Serial.print("bit ");
Serial.print("Protocol: ");
Serial.println( mySwitch.getReceivedProtocol() );
}
mySwitch.resetAvailable();
}
}
bool detectNoise ()
{
bool rit = false;
if (digitalRead(NOISE_DIGITAL_PIN) == HIGH)
{
rit = true;
}
return rit;
}
void accendiCam(long value)
{
mySwitch.send(value, 24);
mySwitch.send(value, 24);
mySwitch.send(value, 24);
mySwitch.send(value, 24);
mySwitch.send(value, 24);
}
void setupComm()
{
Serial.println("Trying to connect");
Serial.print("n");
if (!Ethernet.begin(mac)){
Serial.println("Failed to DHCP");
while(true);
}
Serial.print("My IP address: ");
for (byte thisByte = 0; thisByte < 4; thisByte++) {
Serial.print(Ethernet.localIP()[thisByte], DEC);
Serial.print(".");
}
Serial.println("fine");
}
// Call to send an email.
bool email(char* text)
{
bool success = false;
Serial.println("Sending email...");
Serial.print("n");
Serial.println("SMTP server...");
Serial.print(smtpServer);
if (client.connect(smtpServer, 2525)){
Serial.println("connected");
delay(100);
client.println("EHLO arduino");
for(int i=0; i<999; ++i){
if(client.read() > 0)
break;
}
Serial.println("responded");
Serial.print("n");
client.println("AUTH LOGIN");
client.println("xxxxxxx"); //vedi precedente post per la spiegazione
client.println("yyyyyy"); //vedi precedenti post per la spiegazione
client.println("MAIL FROM:<dumm@gmail.com>");
for(int i=0; i<999; ++i){
if(client.read() > 0)
break;
}
client.println("RCPT TO:<giuseppe.scola@gmail.com>");
for(int i=0; i<999; ++i){
if(client.read() > 0)
break;
}
client.println("DATA");
for(int i=0; i<999; ++i){
if(client.read() > 0)
break;
}
client.println("from: giuseppe.scola@gmail.com");
client.println("to: giuseppe.scola@gmail.com");
client.println("SUBJECT: ArduAlarm");
client.println("");
client.println(text);
client.println(".");
client.println("QUIT");
for(int i=0; i<999; ++i){
if(i > 998){
Serial.println("error: No response");
}
if(client.read() > 0)
break;
}
success = true;
client.println();
Serial.println("end");
Serial.print("n");
}
else {
Serial.println("Failed");
Serial.print("n");
client.println("QUIT");
}
client.stop();
return success;
}
void getClientConnection(){
EthernetClient client = server.available();
if (client) {
String postString ="";
Serial.println("nuova richiesta");
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
//postString.concat(c);
if(postString.length()<10){
postString +=c;
}
// Serial.write(c);
if (c == 'n' && currentLineIsBlank) {
//if(readString.indexOf("id=1") > 0){
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.println("<h1>Settaggi</h1><br>");
client.println("<h1>AllarDuino</h1>");
client.print("<br>");
client.println("<a href="./?on">Accendi CAM</a>");
client.println("<a href="./?off">Spegni CAM</a>");
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;
}
}
} //fine client.connected
Serial.println("-------------");
Serial.println(postString);
Serial.println("-------------");
if(postString.indexOf("?on") > 0){
Serial.println("accendi CAM");
accendiCam(SEGNALE_ACCENZIONE_WEBCAM);
client.println("<br/>");
client.println("<p>Cam accesa</p>");
}
if(postString.indexOf("?off") > 0){
accendiCam(SEGNALE_SPEGNIMENTO_WEBCAM);
client.println("<br/>");
client.println("<p>Cam spenta</p>");
}
delay(1);
// close the connection:
client.stop();
Serial.println("client disonnected");
}
}
The “new” code is to power on/off the webcam from a client/browser.
This new feature allows you to manage calls coming from browser to Arduino, acting as a server.
In our case Arduino will listen incoming request at 8081 port as specified at line 32 EthernetServer server(8081);
At line 116 I start the server with setupComm function (I set MAC code in the begin function).
In the loop funcion I call getClientConnection:
- line 201: Checking if a client is sending a new request to the Arduino server.
- line 202: if a request is incoming…
- line 207: if client is reacheble….
- line 298->231: I read the data sent from the client until I reach the end line (\n) and line empty: now I know I received all the datas from the client and the server (Arduino) can send the answer. Arduino send HTTP/1.1 200 OK status, all is ok! and an html page like the image :
(I know..it’s an ugly page…)
Pressing Accendi Cam (Power on Cam) I call server with the ?on paramenter in the query string while pressing Spegni Cam (Power off Cam) I call the server with ?off paramenter. - line 249 and line 256: I check which of the two parameters was sent to server and I act accordingly: I turn on or off the cam.
- I finally close the connection
Well…I hope I was clear, let me know please…
I’d like to have feedbacks and comments!
The next step is to write code more customize.
I want to save the sensor code in the EEPROM and read when I need.
I have to study Arduino memory!
Have a good day!
