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@diegorv
Created July 11, 2015 20:58
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arduino esp8266
// Programa: Web Server com modulo ESP8266
// Alteracoes e adaptacoes: FILIPEFLOP
#include "ESP8266.h"
#include "SoftwareSerial.h"
// Cria uma serial nas portas 2 (RX) e 3 (TX)
SoftwareSerial esp8266(2 , 3);
// Define que o modulo ira utilizar a serial minhaSerial
ESP8266 wifi(esp8266);
#define DEBUG true
void setup()
{
Serial.begin(9600);
esp8266.begin(19200);
sendData("AT+RST\r\n", 2000, DEBUG); // rst
// Conecta a rede wireless
sendData("AT+CWJAP=\"drv wifi\",\"eita9999\"\r\n", 2000, DEBUG);
delay(3000);
sendData("AT+CWMODE=1\r\n", 1000, DEBUG);
// Mostra o endereco IP
sendData("AT+CIFSR\r\n", 1000, DEBUG);
// Configura para multiplas conexoes
sendData("AT+CIPMUX=1\r\n", 1000, DEBUG);
// Inicia o web server na porta 80
sendData("AT+CIPSERVER=1,80\r\n", 1000, DEBUG);
}
void loop()
{
// Verifica se o ESP8266 esta enviando dados
if (esp8266.available())
{
if (esp8266.find("+IPD,"))
{
delay(300);
int connectionId = esp8266.read() - 48;
String webpage = "<head><meta http-equiv=""refresh"" content=""3"">";
webpage += "</head><h1><u>ESP8266 - Web Server</u></h1><h2>Porta";
webpage += "Digital 8: ";
int a = digitalRead(8);
webpage += a;
webpage += "<h2>Porta Digital 9: ";
int b = digitalRead(9);
webpage += b;
webpage += "</h2>";
String cipSend = "AT+CIPSEND=";
cipSend += connectionId;
cipSend += ",";
cipSend += webpage.length();
cipSend += "\r\n";
sendData(cipSend, 1000, DEBUG);
sendData(webpage, 1000, DEBUG);
String closeCommand = "AT+CIPCLOSE=";
closeCommand += connectionId; // append connection id
closeCommand += "\r\n";
sendData(closeCommand, 3000, DEBUG);
}
}
}
String sendData(String command, const int timeout, boolean debug)
{
// Envio dos comandos AT para o modulo
String response = "";
esp8266.print(command);
long int time = millis();
while ( (time + timeout) > millis())
{
while (esp8266.available())
{
// The esp has data so display its output to the serial window
char c = esp8266.read(); // read the next character.
response += c;
}
}
if (debug)
{
Serial.print(response);
}
return response;
}
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