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Bluetooth_MyFirmata.ino
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Bluetooth_MyFirmata.ino
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/*
Arduino Uno + Bluetooth(or ESP8266)...with Uart
Author : ChungYi Fu (Kaohsiung, Taiwan) 2018-08-07 13:00
https://www.facebook.com/francefu
Uart Command Format :
?cmd=str1;str2;str3;str4;str5;str6;str7;str8;str9
?inputpullup=pin
?pinmode=pin;value
?digitalwrite=pin;value
?analogwrite=pin;value
?digitalread=pin
?analogread=pin
?car=pinL1;pinL2;pinR1;pinR2;L_speed;R_speed;Delay;state
*/
#include <SoftwareSerial.h>
SoftwareSerial mySerial(10, 11); // Bluetooth(or ESP8266) TX->pin10, RX->pin11
String ReceiveData="", command="",cmd="",str1="",str2="",str3="",str4="",str5="",str6="",str7="",str8="",str9="";
boolean debug = false;
void executecommand()
{
Serial.println("");
//Serial.println("command: "+command);
Serial.println("cmd= "+cmd+" ,str1= "+str1+" ,str2= "+str2+" ,str3= "+str3+" ,str4= "+str4+" ,str5= "+str5+" ,str6= "+str6+" ,str7= "+str7+" ,str8= "+str8+" ,str9= "+str9);
//If you want to execute command quickly, please don't execute "SendData"!
if (cmd=="yourcmd")
{
//you can do anything
//if (debug == true) SendData(cmd+"="+str1+";"+str2);
}
else if (cmd=="inputpullup")
{
pinMode(str1.toInt(), INPUT_PULLUP);
if (debug == true) SendData(command);
}
else if (cmd=="pinmode")
{
pinMode(str1.toInt(), str2.toInt());
if (debug == true) SendData(command);
}
else if (cmd=="digitalwrite")
{
pinMode(str1.toInt(), OUTPUT);
digitalWrite(str1.toInt(),str2.toInt());
if (debug == true) SendData(command);
}
else if (cmd=="digitalread")
{
SendData(String(digitalRead(str1.toInt())));
}
else if (cmd=="analogwrite")
{
pinMode(str1.toInt(), OUTPUT);
analogWrite(str1.toInt(),str2.toInt());
if (debug == true) SendData(command);
}
else if (cmd=="analogread")
{
SendData(String(analogRead(str1.toInt())));
}
else if (cmd=="car") // ?car=pinL1;pinL2;pinR1;pinR2;L_speed;R_speed;Delay;state
{
pinMode(str1.toInt(), OUTPUT);
pinMode(str2.toInt(), OUTPUT);
pinMode(str3.toInt(), OUTPUT);
pinMode(str4.toInt(), OUTPUT);
digitalWrite(str1.toInt(), 0);
digitalWrite(str2.toInt(), 0);
digitalWrite(str3.toInt(), 0);
digitalWrite(str4.toInt(), 0);
delay(10);
if (str8=="S")
{
analogWrite(str1.toInt(),0);
analogWrite(str2.toInt(),0);
analogWrite(str3.toInt(),0);
analogWrite(str4.toInt(),0);
}
else if (str8=="F")
{
analogWrite(str1.toInt(),str5.toInt());
analogWrite(str2.toInt(),0);
analogWrite(str3.toInt(),0);
analogWrite(str4.toInt(),str6.toInt());
if ((str7!="")&&(str7!="0"))
{
delay(str7.toInt());
analogWrite(str1.toInt(),0);
analogWrite(str2.toInt(),0);
analogWrite(str3.toInt(),0);
analogWrite(str4.toInt(),0);
}
}
else if (str8=="B")
{
analogWrite(str1.toInt(),0);
analogWrite(str2.toInt(),str5.toInt());
analogWrite(str3.toInt(),str6.toInt());
analogWrite(str4.toInt(),0);
if ((str7!="")&&(str7!="0"))
{
delay(str7.toInt());
analogWrite(str1.toInt(),0);
analogWrite(str2.toInt(),0);
analogWrite(str3.toInt(),0);
analogWrite(str4.toInt(),0);
}
}
else if (str8=="L")
{
analogWrite(str1.toInt(),0);
analogWrite(str2.toInt(),str5.toInt());
analogWrite(str3.toInt(),0);
analogWrite(str4.toInt(),str6.toInt());
if ((str7!="")&&(str7!="0"))
{
delay(str7.toInt());
analogWrite(str1.toInt(),0);
analogWrite(str2.toInt(),0);
analogWrite(str3.toInt(),0);
analogWrite(str4.toInt(),0);
}
}
else if (str8=="R")
{
analogWrite(str1.toInt(),str5.toInt());
analogWrite(str2.toInt(),0);
analogWrite(str3.toInt(),str6.toInt());
analogWrite(str4.toInt(),0);
if ((str7!="")&&(str7!="0"))
{
delay(str7.toInt());
analogWrite(str1.toInt(),0);
analogWrite(str2.toInt(),0);
analogWrite(str3.toInt(),0);
analogWrite(str4.toInt(),0);
}
}
}
else
{
if (debug == true) SendData("command is not defined");
}
}
void setup()
{
Serial.begin(9600);
mySerial.begin(9600);
mySerial.setTimeout(10);
}
void loop()
{
getCommand();
if (ReceiveData.indexOf("?")==0)
{
executecommand();
}
}
void SendData(String data)
{
mySerial.print(data);
}
void getCommand()
{
ReceiveData="";command="";cmd="";str1="";str2="";str3="";str4="";str5="";str6="";str7="";str8="";str9="";
byte ReceiveState=0,cmdState=1,strState=1,questionstate=0,equalstate=0,semicolonstate=0;
if (mySerial.available())
{
while (mySerial.available())
{
char c=mySerial.read();
ReceiveData=ReceiveData+String(c);
if (c=='?') ReceiveState=1;
if ((c==' ')||(c=='\r')||(c=='\n')) ReceiveState=0;
if (ReceiveState==1)
{
command=command+String(c);
if (c=='=') cmdState=0;
if (c==';') strState++;
if ((cmdState==1)&&((c!='?')||(questionstate==1))) cmd=cmd+String(c);
if ((cmdState==0)&&(strState==1)&&((c!='=')||(equalstate==1))) str1=str1+String(c);
if ((cmdState==0)&&(strState==2)&&(c!=';')) str2=str2+String(c);
if ((cmdState==0)&&(strState==3)&&(c!=';')) str3=str3+String(c);
if ((cmdState==0)&&(strState==4)&&(c!=';')) str4=str4+String(c);
if ((cmdState==0)&&(strState==5)&&(c!=';')) str5=str5+String(c);
if ((cmdState==0)&&(strState==6)&&(c!=';')) str6=str6+String(c);
if ((cmdState==0)&&(strState==7)&&(c!=';')) str7=str7+String(c);
if ((cmdState==0)&&(strState==8)&&(c!=';')) str8=str8+String(c);
if ((cmdState==0)&&(strState>=9)&&((c!=';')||(semicolonstate==1))) str9=str9+String(c);
if (c=='?') questionstate=1;
if (c=='=') equalstate=1;
if ((strState>=9)&&(c==';')) semicolonstate=1;
}
delay(1);
}
Serial.println(ReceiveData);
}
}