_SKU_TEL0089_SIM800C_GPRS_GSM_Shield_V2.0通信模块 - jimaobian/DFRobotWikiCn GitHub Wiki

void setup()
{
  //设置引脚为输出模式
  pinMode(12,OUTPUT);
  //GSM开机时序
  digitalWrite(12,HIGH);
  delay(2000);
  digitalWrite(12,LOW);
}
void loop()
{
}

/***************************************************
 * SIM800C GPRS/GSM  Shield V1.0
 *
 ***************************************************
 * This example show you how to use SIM800C GPRS/GSM  Shield V1.0 to make a call.
 *
 * @author Dongzi([email protected])
 * @version  V1.0
 * @date  2016-9-1
 * All above must be included in any redistribution
 *This code is tested on SIM800C GPRS/GSM Shield V1.0.
 ****************************************************/
#define power_key 12       //power key is connected to digital pin 12
void inint();
void power_on();
void setup() {
  inint();
}
void loop() {
  Serial.println("ATD10086;"); //对方电话号码为10086，别漏了最后的分号“;”
  while(1);
}
void inint()
{
  pinMode(power_key, OUTPUT);
  Serial.begin(115200);
  power_on();
  delay(500);
}
void power_on()
{
  digitalWrite(power_key,HIGH);
  delay(1500);
  digitalWrite(power_key, LOW);
  Serial.println("AT");
  delay(300);
  Serial.println("AT");
  delay(8000);
}

/***************************************************
 * SIM800C GPRS/GSM  Shield V2.0
 *
 ***************************************************
 * This example show you how to use SIM800C GPRS/GSM  Shield V2.0 BT-SPP.
 *
 * @author Dongzi([email protected])
 * @version  V2.0
 * @date  2016-9-1
 * All above must be included in any redistribution
 * This code is tested on SIM800C GPRS/GSM Shield V2.0.
 ****************************************************/
#include <SoftwareSerial.h>
SoftwareSerial bt_cmd(2,3);

void blue_spp();
void splitString_t(char *data);
#define power_key 12

String cmd[6]={
  "AT","AT+BTHOST?","AT+BTPOWER=1","AT+BTPAIR=1,1","AT+BTACPT=1","AT+BTSPPSEND"};
char buffer[50],power_mark=0;    // Serialbuffer and power flag

void setup()
{
  pinMode(power_key,OUTPUT);
  Serial.begin(9600);
  bt_cmd.begin(9600);
  blue_spp();
  delay(800);
  bt_cmd.println(cmd[4]);
  delay(800);
  bt_cmd.println(cmd[3]);
  delay(800);
}
void loop()
{
  data_R1();
  data_R();
}
void data_R1()  {
  if(bt_cmd.available() > 0)
  {
    int index = 0;
    delay(100);             //wait data end
    int numChar = bt_cmd.available();
    if(numChar >50)
    {
      numChar =50;
    }
    while(numChar--)
    {
      buffer[index++] = bt_cmd.read();
    }
    splitString(buffer);
  }
}
void blue_spp()
{
  bt_cmd.println(cmd[0]);
  delay(20);
  data_R1();
  delay(20);
  bt_cmd.println(cmd[2]);
  delay(200);
  bt_cmd.println(cmd[1]);
  data_R1();
  if(bt_cmd.find("ERROR"))
  {
    bt_cmd.println(cmd[1]);
    Serial.println("start again");
  }
  else
    Serial.println("bt_power_on");

}

void splitString(char *data)
{
  Serial.print("Data entered:");
  Serial.println(data);
  for(int x = 0; x < 50; x++)
  {
    buffer[x] = '\0';
  }
}
void data_R()  {
  if(Serial.available() > 0)
  {
    int index = 0;
    delay(100);
    int numChar = Serial.available();
    if(numChar >50)
    {
      numChar =50;
    }
    while(numChar--)
    {
      buffer[index++] = Serial.read();
    }
    splitString_t(buffer);
  }
}
void splitString_t(char *data)
{
  bt_cmd.println(cmd[5]);
  delay(5);
  bt_cmd.print(data);
  bt_cmd.write(0x1a);
  delay(5);
  for(int x = 0; x < 50; x++)
  {
    buffer[x] = '\0';
  }
}