如何使用Arduino和Gprs Shield V2.1开启/关闭Led，代码如下 [英] How Can I Turn Led On/Off With Arduino And Gprs Shield V2.1 With The Code Below

问题描述

// Product name: GPS/GPRS/GSM Module V3.0
// # Product SKU : TEL0051

// # Description:
// # The sketch for controling the GSM/GPRS/GPS module via SMS.
// # Steps:

// #        1. Curved the pin 0 and 1. Make sure when you plug the module to UNO, they won't connect to the RX and TX.
// #        2. At the same time , connect P0 to P10, and P1 to P11 by jumper cable.
// #        3. Upload the sketch to the Arduino board(Make sure turn off other Serial monitor )
// #        4. Turn the S1 switch to the comm(left side)
// #        6. Turn the S2 switch to the Arduino(right side)
// #        7. RST the board until the START led is on(make sure you have >6V power supply)
// #        8. Plug the long side of LED into pin 8 and short side into GND
// #        9. Start sending "LH" and "LL" to your board to turn LED on and off.

/*
 *  created:    2013-11-14
 *  by:     Grey
 *  Version:    0.3
 *  Attention: if you send the wrong SMS command to the module, just need to press RST.
 *  This version use the SoftwareSerial port. You can check the status of the module in the serial port for debuging
 */

#include <SoftwareSerial.h>
SoftwareSerial mySerial(0, 1);                    // Define SoftwareSerial pin RX, TX
int gsmDriverPin[3] = {
  3,4,5};                                           //The default digital driver pins for the GSM and GPS mode
//If you want to change the digital driver pins
//or you have a conflict with D3~D5 on Arduino board,
//you can remove the J10~J12 jumpers to reconnect other driver pins for the module!
int ledpin = 6;
char inchar;
void InitGsm()
{
  for(int i = 0 ; i < 3; i++)
  {
    pinMode(gsmDriverPin[i],OUTPUT);
  }
  pinMode(ledpin,OUTPUT);
  digitalWrite(5,HIGH);                      //Output GSM Timing
  delay(1500);
  digitalWrite(5,LOW);
  digitalWrite(3,LOW);                       //Enable the GSM mode
  digitalWrite(4,HIGH);                      //Disable the GPS mode
  delay(5000);                               //call ready
  delay(5000);
  mySerial.println("AT+CMGD=1,4");           //Delete all SMS in box
}
void setup()
{
  Serial.begin(9600);                       //set Serial port baud rate
  mySerial.begin(9600);                      //set SoftwareSerial port baud rate
  InitGsm();                                 //initialize GSM module
}
void loop()
{
  if(mySerial.available()>0)
  {
    inchar=mySerial.read();
    Serial.print(inchar);                 //Display the GPS/GPRS/GSM Module status
    if(inchar=='T')
    {
      delay(10);
      inchar=mySerial.read();
      if (inchar=='I')                    //When the GSM module get the message, it will display the sign '+CMTI "SM", 1' in the SoftwareSerial port
      {
        delay(10);
        mySerial.println("AT+CMGR=1");    //When Arduino read the sign, send the "read" AT command to the module
        delay(10);
      }
    }
    else if (inchar=='L')
    {
      delay(10);
      inchar=mySerial.read();
      if (inchar=='H')                   //Thw SMS("LH") was display in the SoftwareSerial port, and Arduino has recognize it.
      {
        delay(10);
        digitalWrite(ledpin,HIGH);            //Turn on led
        delay(50);
        mySerial.println("AT+CMGD=1,4"); //Delete all message
        delay(500);
      }
      if (inchar=='L')                  //Thw SMS("LH") was display in the SoftwareSerial port, and Arduino has recognize it.
      {
        delay(10);
        digitalWrite(ledpin,LOW);            //Turn off led
        delay(50);
        mySerial.println("AT+CMGD=1,4");//Delete all message
        delay(500);
      }
    }
  }
}

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