Added some more projects and libraries.

ESP8266ArduinoSerial/ESP8266ArduinoSerial.ino

@@ -0,0 +1,99 @@
+#include <SoftwareSerial.h>
+#define SSID "xxxxxxxx"
+#define PASS "xxxxxxxx"
+#define DST_IP "220.181.111.85" //baidu.com
+SoftwareSerial dbgSerial(10, 11); // RX, TX
+void setup()
+{
+ // Open serial communications and wait for port to open:
+ Serial.begin(57600);
+ Serial.setTimeout(5000);
+ dbgSerial.begin(9600); //can't be faster than 19200 for softserial
+ dbgSerial.println("ESP8266 Demo");
+ //test if the module is ready
+ Serial.println("AT+RST");
+ delay(1000);
+ if(Serial.find("ready"))
+ {
+   dbgSerial.println("Module is ready");
+ }
+ else
+ {
+   dbgSerial.println("Module have no response.");
+   while(1);
+ }
+ delay(1000);
+ //connect to the wifi
+ boolean connected=false;
+ for(int i=0;i<5;i++)
+ {
+   if(connectWiFi())
+   {
+     connected = true;
+     break;
+   }
+ }
+ if (!connected){while(1);}
+ delay(5000);
+ //print the ip addr
+ /*Serial.println("AT+CIFSR");
+ dbgSerial.println("ip address:");
+ while (Serial.available())
+ dbgSerial.write(Serial.read());*/
+ //set the single connection mode
+ Serial.println("AT+CIPMUX=0");
+}
+void loop()
+{
+ String cmd = "AT+CIPSTART=\"TCP\",\"";
+ cmd += DST_IP;
+ cmd += "\",80";
+ Serial.println(cmd);
+ dbgSerial.println(cmd);
+ if(Serial.find("Error")) return;
+ cmd = "GET / HTTP/1.0\r\n\r\n";
+ Serial.print("AT+CIPSEND=");
+ Serial.println(cmd.length());
+ if(Serial.find(">"))
+ {
+   dbgSerial.print(">");
+   }else
+   {
+     Serial.println("AT+CIPCLOSE");
+     dbgSerial.println("connect timeout");
+     delay(1000);
+     return;
+   }
+   Serial.print(cmd);
+   delay(2000);
+   //Serial.find("+IPD");
+   while (Serial.available())
+   {
+     char c = Serial.read();
+     dbgSerial.write(c);
+     if(c=='\r') dbgSerial.print('\n');
+   }
+   dbgSerial.println("====");
+   delay(1000);
+ }
+ boolean connectWiFi()
+ {
+   Serial.println("AT+CWMODE=1");
+   String cmd="AT+CWJAP=\"";
+   cmd+=SSID;
+   cmd+="\",\"";
+   cmd+=PASS;
+   cmd+="\"";
+   dbgSerial.println(cmd);
+   Serial.println(cmd);
+   delay(2000);
+   if(Serial.find("OK"))
+   {
+     dbgSerial.println("OK, Connected to WiFi.");
+     return true;
+     }else
+     {
+       dbgSerial.println("Can not connect to the WiFi.");
+       return false;
+     }
+   }