کد:
/*Note: this code is a demo for how to using gprs shield to send sms message,
dial a voice call and
send a http request to the website, upload data to pachube.com by TCP connection,
The microcontrollers Digital Pin 7 and hence allow unhindered
communication with GPRS Shield using SoftSerial Library.
IDE: Arduino 1.0 or later
Replace the following items in the code:
1.Phone number, don't forget add the country code
2.Replace the Access Point Name
3. Replace the Pachube API Key with your personal ones assigned
to your account at cosm.com
*/
#include <SoftwareSerial.h>
#include <String.h>
SoftwareSerial mySerial(7, 8);
void setup()
{
mySerial.begin(19200); // the GPRS baud rate
Serial.begin(19200); // the GPRS baud rate
delay(500);
}
void loop()
{
//after start up the program, you can using terminal to connect the serial of gprs shield,
//if you input 't' in the terminal, the program will execute SendTextMessage(), it will show how to send a sms message,
//if input 'd' in the terminal, it will execute DialVoiceCall(), etc.
if (Serial.available())
switch(Serial.read())
{
case 't':
SendTextMessage();
break;
case 'r':
RecieveTextMessage();//This program code by directive'r'to receive, by receiving the information after the return to call the function
//to verify receiving function. But it can not display the received content in SIM.
DialVoiceCall();
break;
case 'd':
DialVoiceCall();
break;
case 'h':
SubmitHttpRequest();
break;
case 's':
Send2Pachube();
break;
}
if (mySerial.available())
Serial.write(mySerial.read());
}
///SendTextMessage()
///this function is to send a sms message
void SendTextMessage()
{
mySerial.print("AT+CMGF=1\r"); //Because we want to send the SMS in text mode
delay(100);
Serial.write(mySerial.read());
mySerial.println("AT + CMGS = \"0914xxxxxxx\"");//send sms message, be careful need to add a country code before the cellphone number
delay(100);
Serial.write(mySerial.read());
mySerial.println("A test message!");//the content of the message
delay(100);
Serial.write(mySerial.read());
mySerial.println((char)26);//the ASCII code of the ctrl+z is 26
delay(100);
mySerial.println();
}
void RecieveTextMessage()
{
//mySerial.print("AT+CMGF=1\r"); //Because we want to recieve the SMS in text mode
//delay(100);
mySerial.print("AT+CMGR=1\r");//Because we want to recieve the SMS in text mode
delay(100);
mySerial.println("AT + CSCA = \"0914xxxxxxx\"");//recieve sms message, be careful need to add a country code before the cellphone number
delay(100);
mySerial.println("A test message!");//the content of the message
delay(100);
mySerial.println((char)26);//the ASCII code of the ctrl+z is 26
delay(100);
mySerial.println();
//return r;
}
///DialVoiceCall
///this function is to dial a voice call
void DialVoiceCall()
{
mySerial.println("ATD + 0914xxxxxxx;");//dial the number
delay(100);
mySerial.println();
}
///SubmitHttpRequest()
///this function is submit a http request
///attention:the time of delay is very important, it must be set enough
void SubmitHttpRequest()
{
mySerial.println("AT+CSQ");
delay(100);
ShowSerialData();// this code is to show the data from gprs shield, in order to easily see the process of how the gprs shield submit a http request, and the following is for this purpose too.
mySerial.println("AT+CGATT?");
delay(100);
ShowSerialData();
mySerial.println("AT+SAPBR=3,1,\"CONTYPE\",\"GPRS\"");//setting the SAPBR, the connection type is using gprs
delay(1000);
ShowSerialData();
mySerial.println("AT+SAPBR=3,1,\"APN\",\"CMNET\"");//setting the APN, the second need you fill in your local apn server
delay(4000);
ShowSerialData();
mySerial.println("AT+SAPBR=1,1");//setting the SAPBR, for detail you can refer to the AT command mamual
delay(2000);
ShowSerialData();
mySerial.println("AT+HTTPINIT"); //init the HTTP request
delay(2000);
ShowSerialData();
mySerial.println("AT+HTTPPARA=\"URL\",\"www.google.com.hk\"");// setting the httppara, the second parameter is the website you want to access
delay(1000);
ShowSerialData();
mySerial.println("AT+HTTPACTION=0");//submit the request
delay(10000);//the delay is very important, the delay time is base on the return from the website, if the return datas are very large, the time required longer.
//while(!mySerial.available());
ShowSerialData();
mySerial.println("AT+HTTPREAD");// read the data from the website you access
delay(300);
ShowSerialData();
mySerial.println("");
delay(100);
}
///send2Pachube()///
///this function is to send the sensor data to the pachube, you can see the new value in the pachube after execute this function///
void Send2Pachube()
{
mySerial.println("AT+CGATT?");
delay(100);
ShowSerialData();
mySerial.println("AT+CSTT=\"CMNET\"");//start task and setting the APN,
delay(1000);
ShowSerialData();
mySerial.println("AT+CIICR");//bring up wireless connection
delay(300);
ShowSerialData();
mySerial.println("AT+CIFSR");//get local IP adress
delay(2000);
ShowSerialData();
mySerial.println("AT+CIPSPRT=0");
delay(3000);
ShowSerialData();
mySerial.println("AT+CIPSTART=\"tcp\",\"api.cosm.com\",\"8081\"");//start up the connection
delay(2000);
ShowSerialData();
mySerial.println("AT+CIPSEND");//begin send data to remote server
delay(4000);
ShowSerialData();
String humidity = "1031";//these 4 line code are imitate the real sensor data, because the demo did't add other sensor, so using 4 string variable to replace.
String moisture = "1242";//you can replace these four variable to the real sensor data in your project
String temperature = "30";//
String barometer = "60.56";//
mySerial.print("{\"method\": \"put\",\"resource\":\"/feeds/42742/\",\"params\"");//here is the feed you apply from pachube
delay(500);
ShowSerialData();
mySerial.print(": {},\"headers\": {\"X-PachubeApiKey\":");//in here, you should replace your pachubeapikey
delay(500);
ShowSerialData();
mySerial.print("\"_cXwr5LE8qW4a296O-cDwOUvfddFer5pGmaRigPsiO0");//pachubeapikey
delay(500);
ShowSerialData();
mySerial.print("jEB9OjK-W6vej56j9ItaSlIac-hgbQjxExuveD95yc8BttXc");//pachubeapikey
delay(500);
ShowSerialData();
mySerial.print("Z7_seZqLVjeCOmNbEXUva45t6FL8AxOcuNSsQS\"},\"body\":");
delay(500);
ShowSerialData();
mySerial.print(" {\"version\": \"1.0.0\",\"datastreams\": ");
delay(500);
ShowSerialData();
mySerial.println("[{\"id\": \"01\",\"current_value\": \"" + barometer +"\"},");
delay(500);
ShowSerialData();
mySerial.println("{\"id\": \"02\",\"current_value\": \"" + humidity + "\"},");
delay(500);
ShowSerialData();
mySerial.println("{\"id\": \"03\",\"current_value\": \"" + moisture + "\"},");
delay(500);
ShowSerialData();
mySerial.println("{\"id\": \"04\",\"current_value\": \"" + temperature +"\"}]},\"token\": \"lee\"}");
delay(500);
ShowSerialData();
mySerial.println((char)26);//sending
delay(5000);//waitting for reply, important! the time is base on the condition of internet
mySerial.println();
ShowSerialData();
mySerial.println("AT+CIPCLOSE");//close the connection
delay(100);
ShowSerialData();
}
void ShowSerialData()
{
while(mySerial.available()!=0)
Serial.write(mySerial.read());
}
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