如何使用GSM模块SIM800和Arduino Uno发送短信? [英] How to send SMS with GSM module SIM800 and Arduino Uno?
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问题描述
我正在尝试通过SIM800 GSM模块从Arduino发送文本消息.消息到达给定的号码,但格式不正确. 它显示不支持消息格式".
I am trying to send a text message from Arduino through a SIM800 GSM module. The message gets to the given number but not in the correct format. It shows "Message format not supported".
我在这里包含我的代码,非常感谢您的快速答复.
I am including my code here and a fast reply is much appreciated.
#include <SoftwareSerial.h>
SoftwareSerial GPRS(11, 12); //11 = TX, 12 = RX
unsigned char buffer[64]; //port
int count=0;
int i = 0; //if i = 0, send SMS.
void setup() {
GPRS.begin(9600); // the GPRS baud rate
Serial.begin(9600); // the Serial port of Arduino baud rate.
Serial.print("I'm ready");
Serial.print("Hello?");
}
void loop() {
if (GPRS.available()) {
// if date is coming from softwareserial port ==> data is coming from GPRS shield
while(GPRS.available()) {
// reading data into char array
buffer[count++]=GPRS.read();
// writing data into array
if(count == 64)
break;
}
Serial.write(buffer,count);
// if no data transmission ends, write buffer to hardware serial port
clearBufferArray();
// call clearBufferArray function to clear the stored data from the array
count = 0; // set counter of while loop to zero
}
if (Serial.available())
// if data is available on hardwareserial port ==> data is coming from PC or notebook
GPRS.write(Serial.read()); // write it to the GPRS shield
if(i == 0) {
GPRS.write("AT+CMGF=1\r"); //sending SMS in text mode
delay(1000);
Serial.println("AT+CMGF=1\r");
GPRS.write("AT+CMGS=\"+91xxxxxxxxxx\"\r"); // phone number
delay(1000);
Serial.println("AT+CMGS=\"+91xxxxxxxxxx\"\r");
GPRS.write("Hello how are you?\r"); // message
delay(1000);
Serial.println("Hello how are you?\r");
delay(1000);
GPRS.write(0x1A);
//send a Ctrl+Z (end of the message)
delay(1000);
Serial.println("SMS sent successfully");
i++;
}
}
void clearBufferArray(){
// function to clear buffer array
for (int i=0; i<count;i++){
buffer[i]='\0';
// clear all index of array with command NULL
}
}
推荐答案
通过转到Arduino IDE-> Sketch-> Library-> Manage Libraries-然后输入gprs,将为arduino添加grps库.库并安装 尝试此示例代码对其进行测试,
Simple method will be add grps library for arduino by going to the Arduino IDE ->Sketch->Library->Manage Libraries-then type gprs you will get the library and install it Try this Sample code to test it,
#include <gprs.h>
#include <SoftwareSerial.h>
GPRS gprs;
void setup() {
Serial.begin(9600);
while(!Serial);
gprs.preInit();
delay(5000); //wait for 5 seconds
while(0 != gprs.init()) {
delay(1000);
Serial.print("Not connected,try again\r\n");
}
Serial.println("Sending SMS");
gprs.sendSMS("844******8","Testing the Module"); //Enter your phone number
and text
}
void loop() {
//If you want the to send the Text continuously then add the code here
}
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