Arduino

Blueteeth_ATCommand_V3.ino

/*
  Blue_ATCommand
  DATA:20150423
  Ver3:20150425_12
  NAME:Charlotte.HonG
*/
#include <SoftwareSerial.h>
#include "Timer.h"
#define BT_RX 2
#define BT_TX 3
#define Vcc 4
#define Key 5
SoftwareSerial BT(BT_TX, BT_RX);
Timer T;
Timer T2;

char str[128]="";
/*===========================================*/
void setup() {
  Serial.begin(9600);
  Serial.println("Welcome Blueteeth_ATCommand");
  Help();
  Serial.println("");
  Serial.println("Now key is LOW.");
  BT.begin(38400);
  pinMode(Key, OUTPUT);
  pinMode(Vcc, OUTPUT);
  PowHigh();
}

void loop() {
  T.update();
  ScanSerialStr();
  BT_Read();
}
/*===========================================*/
void Ctrl(){
  if(strncmp(str,"/STA",3) == 0){
    Static();
  }
  if(strncmp(str,"/HELP",4) == 0){
    Help();
  }
  if(strncmp(str,"/ATM",4) == 0){
    Serial.println("Enter AT mode");
    AT_Mode();
  }
  if(strncmp(str,"/AL",3) == 0){
    Serial.println("Auto link mode");
    PowLow();
    KeyLow();
    T.after(1000,PowHigh);
  }
  if(strncmp(str,"/RE",3) == 0){
    Serial.println("Now vcc reset");
    PowLow();
    T.after(1000,PowHigh);
  }
  if(strncmp(str,"/RK",3) == 0){
    Serial.println("Now key reset");
    KeyLow();
    T.after(1000,KeyHigh);
  }

  if(strncmp(str,"/KL",3) == 0){
    Serial.println("Now key is LOW");
    KeyLow();
  }
  if(strncmp(str,"/KH",3) == 0){
    Serial.println("Now key is HIGH");
    KeyHigh();
  }
  if(strncmp(str,"/PL",3) == 0){
    Serial.println("Now vcc is LOW");
    PowLow();
  }
  if(strncmp(str,"/PH",3) == 0){
    Serial.println("NOW vcc is HIGH");
    PowHigh();
  }
}
void Static(){
  Serial.print("Key static =  ");
  Serial.println(digitalRead(Key));
  Serial.print("Vcc static= ");
  Serial.println(digitalRead(Vcc));
}
void AT_Mode(){
  KeyHigh();
  PowLow();
  T.after(1000,PowHigh);
}
char val;
void BT_Read(){
  if (BT.available()) {
    val = BT.read();
    Serial.print(val);
  }
}
void ScanSerialStr(){
  if(Serial.available()) {
    int strnum=0;
    memset( str, 0, strlen(str) );
    while (Serial.available() > 0){
      val = Serial.read();
      str[strnum++] = val;
      if(strncmp(str,"/",1) != 0){
        BT.print(val);
      }
      delay(3);
    }
//    Serial.print("ScanSerialGet:");
//    Serial.println(str);
    Ctrl();
  }
}
/*===========================================*/
void KeyHigh(){
  digitalWrite(Key, HIGH);
}
void KeyLow(){
  digitalWrite(Key, LOW);
}
void PowHigh(){
  digitalWrite(Vcc, HIGH);
}
void PowLow(){
  digitalWrite(Vcc, LOW);
}
void Help(){
  Serial.println("  Command:");
  Serial.println("    /ATM 	AT Command Mode");
  Serial.println("    /RE 	Vcc Reset");
  Serial.println("    /AL 	Auto Link Mode");
  Serial.println("    /KL 	Key Power OFF");
  Serial.println("    /KH 	Key Power ON");
  Serial.println("    /PL 	Vcc OFF");
  Serial.println("    /PH 	Vcc ON");
  Serial.println("    /HELP   Return Help");
  Serial.println("    /STA 	Return Key and Vcc now static");
  Serial.println("");
  Serial.println("            By:Charlotte.HonG");
}
/*===========================================*/