Bluetooth Android ArduinoMega

Description of Bluetooth Android ArduinoMega

Source Arduino Mega:
/*
PROJECT: ArduDroid
PROGRAMMER: Nguyen Huu Long (vnns.vn)
DATE: Dec 15, 2015
FILE: ardudroid.ino
LICENSE: Public domain
*/
#define START_CMD_CHAR '*'
#define END_CMD_CHAR '#'
#define DIV_CMD_CHAR '|'
#define CMD_DIGITALWRITE 10
#define CMD_ANALOGWRITE 11
#define CMD_TEXT 12
#define CMD_READ_ARDUDROID 13
#define MAX_COMMAND 20
// max command number code. used for error checking.
#define MIN_COMMAND 10
// minimum command number code. used for error checking.
#define IN_STRING_LENGHT 40
#define MAX_ANALOGWRITE 255
#define PIN_HIGH 3
#define PIN_LOW 2
String inText;
void setup() {
Serial.begin(9600);
Serial.println("ArduDroid 0.1 Alpha by vnns.vn (2015)");
Serial.flush();
}
void loop()
{
Serial.flush();
int ard_command = 0;
int pin_num = 0;
int pin_value = 0;
char get_char = ' ';
//read serial
// wait for incoming data
if (Serial.available()
// parse incoming command start flag
get_char = Serial.read();
if (get_char != START_CMD_CHAR) return; // if no command start flag, return to loop().
// parse incoming command type
ard_command = Serial.parseInt(); // read the command
// parse incoming pin# and value
pin_num = Serial.parseInt(); // read the pin
pin_value = Serial.parseInt();
// read the value
// 1) GET TEXT COMMAND FROM ARDUDROID
if (ard_command == CMD_TEXT){
inText =""; //clears variable for new input
while (Serial.available())
{
char c = Serial.read();
//gets one byte from serial buffer
delay(5);
if (c == END_CMD_CHAR) { // if we the complete string has been read
// add your code here
break;
}
else {
if (c !=
DIV_CMD_CHAR) {
inText = c;
delay(5);
}
}
}
}
// 2) GET digitalWrite DATA FROM ARDUDROID
if (ard_command == CMD_DIGITALWRITE){
if (pin_value == PIN_LOW) pin_value = LOW;
else if (pin_value == PIN_HIGH) pin_value = HIGH;
else return; // error in pin value. return.
set_digitalwrite( pin_num,
pin_value);
// Uncomment this function if you wish to use
return;
// return from start of loop()
}
// 3) GET analogWrite DATA FROM ARDUDROID
if (ard_command == CMD_ANALOGWRITE) {
analogWrite(
pin_num, pin_value );
// add your code here
return;
// Done. return to loop();
}
// 4) SEND DATA TO ARDUDROID
if (ard_command == CMD_READ_ARDUDROID) {
// char send_to_android[] = "Place your text here." ;
// Serial.println(send_to_android);
// Example: Sending text
Serial.print(" Analog 0 = ");
Serial.println(analogRead(A0));
// Example: Read and send Analog pin value to Arduino
return;
// Done. return to loop();
}
}
// 2a) select the requested pin# for DigitalWrite action
void set_digitalwrite(int pin_num, int pin_value)
{
pinMode(pin_num, OUTPUT);
digitalWrite(pin_num, pin_value);
}