Question

请有人告诉我为什么这段代码不起作用。我想提取消息发送者的号码，然后使用AT命令将消息转发给它。它提取发件人的数量并将其存储在变量中，但为什么不向该号码发送消息呢？

#include <GSM.h>
GSM_SMS sms;

char RcvdMsg[200] = "";
int RcvdCheck = 0;
int RcvdConf = 0;
int index = 0;
int RcvdEnd = 0;
char MsgMob[15];
char MsgTxt[50];
int MsgLength = 0;
char number1[12] = "xxxxxxxxxx";
String number;
char inchar;
char outString[22];

void setup()
{
  Serial.begin(9600);
  Serial1.begin(9600);

  Serial1.print("ATE0\r");
  Serial1.print("AT\r");
  Serial1.print("AT+CMGF=1\r");
  Serial1.print("AT+CNMI=1,2,0,0,0\r");
  delay(1000);
} 

void loop()
{
  recSms();
}

void recSms() 
{
  if(Serial1.available())
  { 
    char data = Serial1.read();
    if(data == '+'){RcvdCheck = 1;}
    if((data == 'C') && (RcvdCheck == 1)){RcvdCheck = 2;}
    if((data == 'M') && (RcvdCheck == 2)){RcvdCheck = 3;} 
    if((data == 'T') && (RcvdCheck == 3)){RcvdCheck = 4;}
    if(RcvdCheck == 4){RcvdConf = 1; RcvdCheck = 0;}

    if(RcvdConf == 1)
    {
      if(data == '\n'){RcvdEnd++;}
      if(RcvdEnd == 3){RcvdEnd = 0;}
      RcvdMsg[index] = data;
      index++;

      if(RcvdEnd == 2){RcvdConf = 0;MsgLength = index-2;index = 0;}
      if(RcvdConf == 0)
      {
        Serial.print("Mobile Number is: ");
        for(int x = 4;x < 17;x++)
        {
          number+=RcvdMsg[x];
          MsgMob[x-4] = RcvdMsg[x];
        }
        Serial.print(number);
        Serial.println();
        Serial.print("Message Text: ");
        for(int x = 46; x < MsgLength; x++)
        {
          MsgTxt[x-46] = RcvdMsg[x];
          inchar=MsgTxt[x-46];
        }
        Serial.print(inchar);
        Serial.println();

        RcvdCheck = 0;
        RcvdConf = 0;
        index = 0;
        RcvdEnd   = 0;
        MsgMob[15];
        MsgTxt[50];
        MsgLength = 0;

        Serial.flush();
        Serial1.flush();

        if(inchar == '#')
        {
          sendInfo();  
        }

      }
    }
  }
 }

 void sendInfo()
 {  
  Serial1.print("AA");
  delay(1000); //delay of 1
  Serial1.println("AT");
  delay(1000); 
  Serial1.write("AT+CMGF=1\r\n");           //set GSM to text mode
  delay(1000); 
  Serial1.write("AT+CPMS=\"SM\"\r\n");         //Preferred SMS Message Storage
  delay(1000); 

  Serial1.print("AT+CMGS=\"");
  Serial1.print(number1);
  Serial1.print("\"");

  delay(1000);
  Serial1.print("HI"); 
  delay(1000);
  Serial1.write(0x1A);           // sends ctrl+z end of message 
  delay(1000);
  Serial.println("sms sent ");
} //end sendInfo()

Answer 1

好的，问题似乎与这些问题有关：

Serial1.print("AT+CMGS=\"");
Serial1.print(number1);
Serial1.print("\"");

但如果我们写下面写的行，程序就可以了！

Serial1.write("AT+CMGS=\"");
Serial1.print(number);
Serial1.write("\"\r");

Answer 2

“将消息发送回消息发送者”的代码（还原） GSM与Arduino UNO接口。

/* Code done by Vatsal Mehta <Vatsalmehta121297@gmail.com>
  contact for any doubts and clarifications.
  i'm very active at my mail so you may expect the reply soon enough
*/

#include <SoftwareSerial.h>

SoftwareSerial Serial1(9, 10);
char RcvdMsg[200] = "";
int RcvdCheck = 0;
int RcvdConf = 0; 
int index = 0;
int RcvdEnd = 0;
char MsgMob[15];
char MsgTxt[50];
int MsgLength = 0;
char number1[12] = "8147XXXXXX"; // This variable is of no need in program, it is merely used to use your number for testing
String number;
char inchar;
char outString[22];
void sendInfo();
void recSms();

void setup()
{
  Serial.begin(9600);
  Serial1.begin(9600);

  Serial1.print("ATE0\r");
  Serial1.print("AT\r");
  Serial1.print("AT+CMGF=1\r");
  Serial1.print("AT+CNMI=1,2,0,0,0\r");
  delay(1000);
} 

void loop()
{
  recSms();
}

void recSms() 
{
  if(Serial1.available())
  { 
    char data = Serial1.read();
    if(data == '+'){RcvdCheck = 1;}
    if((data == 'C') && (RcvdCheck == 1)){RcvdCheck = 2;}
    if((data == 'M') && (RcvdCheck == 2)){RcvdCheck = 3;} 
    if((data == 'T') && (RcvdCheck == 3)){RcvdCheck = 4;}
    if(RcvdCheck == 4){RcvdConf = 1; RcvdCheck = 0;}

    if(RcvdConf == 1)
    {
      if(data == '\n'){RcvdEnd++;}
      if(RcvdEnd == 3){RcvdEnd = 0;}
      RcvdMsg[index] = data;
      index++;

      if(RcvdEnd == 2){RcvdConf = 0;MsgLength = index-2;index = 0;}
      if(RcvdConf == 0)
      {
        Serial.print("Mobile Number is: ");
        for(int x = 4;x < 17;x++)
        {
          number+=RcvdMsg[x];
          MsgMob[x-4] = RcvdMsg[x];
        }
        Serial.print(number);
        Serial.println();
        Serial.print("Message Text: ");
        for(int x = 46; x < MsgLength; x++) // calibration is not done as it is not required
        {
          MsgTxt[x-46] = RcvdMsg[x];
          inchar=MsgTxt[x-46];
        }
        Serial.print(inchar);
        Serial.println();

        RcvdCheck = 0;
        RcvdConf = 0;
        index = 0;
        RcvdEnd   = 0;
        MsgMob[15];
        MsgTxt[50];
        MsgLength = 0;

        Serial.flush();
        Serial1.flush();

          sendInfo();  
        }

      }
    }
  }

 void sendInfo()
 {  
 Serial1.println("AT+CMGF=1");    //Sets the GSM Module in Text Mode
     delay(1000);  // Delay of 1 second
     Serial1.print("AT+CMGS=");
     Serial1.print("\"");
     Serial1.print(number);
     Serial1.print("\"");
     Serial1.println("\r"); //
     delay(1000);// 
     //1Serial1.print("\n");
     Serial1.println("Vatsal Mehta, BMSCE, Bangalore");// The SMS text you want to send
     delay(100);
     Serial1.println((char)26);// ASCII code of CTRL+Z for saying the end of sms to  the module 
      delay(1000);
// below code is just to show what is printing in Serial1 in Serial Monitor. (below code is not necceassay if you want to optimize the program)
       Serial.println("AT+CMGF=1");    //Sets the GSM Module in Text Mode
     delay(1000);  // Delay of 1 second
     Serial.print("AT+CMGS=");
     Serial.print("\"");
     Serial.print(number);
     Serial.print("\"");
     Serial.print("\r");
     delay(1000);
     Serial.print("\n");
     Serial.println("Vatsal Mehta, BMSCE, Bangalore");// The SMS text you want to send
     delay(100);
     Serial.println((char)26);// ASCII code of CTRL+Z for saying the end of sms to  the module 
      delay(1000);
      number = "\0"; // inorder to clear the contents of number variable

      while (Serial1.available() > 0) // Don't read unless
   {
    Serial.write(Serial1.read());// there you know there is data
   }

  Serial.println("sms sent ");
} //end sendInfo()

将消息发送到提取的号码

2 个答案: