Wireless Management System for Shooting Competitions - Arduino Target Transmitter Code

Target_Transmitter.pde

#include <EEPROM.h>
#include <NewSoftSerial.h>

NewSoftSerial mySerial(2,3);

String readString = "";
String holdString = "";

String id_of_sensor = String(0);

String transmit_message = "<T%>";
String wireless_command = "<T%*>";
String strobe_command = "<T%!>";
String wireless_strobe_command = "<T%&>";
String game_mode_off_command = "<T%?>";

String ask_for_id_command = "<C?>";
String switch_id_command = "<C*>";

void refactor()
{
  int id = id_of_sensor.toInt();
  EEPROM.write(0, id);
  
  transmit_message = transmit_message.replace("%", id_of_sensor);
  wireless_command = wireless_command.replace("%", id_of_sensor);    
  strobe_command = strobe_command.replace("%", id_of_sensor);
  wireless_strobe_command = wireless_strobe_command.replace("%", id_of_sensor);
  game_mode_off_command = game_mode_off_command.replace("%", id_of_sensor);
}

void set_commands()
{
  int x = EEPROM.read(0);
  
  if (x == 0)
  {
    
  }
  else
  {
    id_of_sensor = x;
    refactor();
  }
}

void config_mode(int x)
{
  if (x == 1)
    Serial.print(id_of_sensor);
  else if (x == 2)
  {
    int i = 0;
    
    while (i == 0)
    {
      if (Serial.available() > 0)
      {
        id_of_sensor = Serial.read() - 48;
        refactor();
        Serial.print(id_of_sensor);
        i = 1;
      }
    }
  }
}  
    
void processString()
{
  if (holdString == wireless_command)
    vibration_sensor(1);
  
  else if (holdString == strobe_command)
    vibration_sensor(2);
  
  else if (holdString == wireless_strobe_command)
    vibration_sensor(3);
  
  else if (holdString == ask_for_id_command)
  {
    config_mode(1);
    holdString = "";
  }
  
  else if (holdString == switch_id_command)
  {
    config_mode(2);
    holdString = "";
  }
  
  else if (holdString == game_mode_off_command)
  {
    
  }    
  
  readString = "";
}

int print_serial_message()
{
  if (readString == wireless_command)
  {
    mySerial.print(readString);
    return 1;
  }
  else if (readString == strobe_command)
  {
    mySerial.print(readString);
    return 1;
  }
  else if (readString == wireless_strobe_command)
  {
    mySerial.print(readString);
    return 1;
  }
  else if (readString == game_mode_off_command)
  {
    mySerial.print(readString);
    return 1;
  }
  else
    return 0;
}  

void vibration_sensor(int x)
{
  int piezoPin = 0;
  int piezoThreshold = 8;
  int piezoVal = 0;
  
  piezoVal = analogRead(piezoPin);
  
  if (piezoVal >= piezoThreshold)
  {
    switch(x)
    {
      case 1:
        wireless();
        break;
      case 2:
        strobe();
        break;
      case 3:
        wireless_strobe();
        break;
    }
  }
}

void wireless()
{
  mySerial.print(transmit_message);
  delay(250);
}

void wireless_strobe()
{
  digitalWrite(4, HIGH);
  mySerial.print(transmit_message);
  delay(100);
  digitalWrite(4, LOW);
}

void strobe()
{
  digitalWrite(4, HIGH);
  delay(500);
  digitalWrite(4, LOW);
}

void read_message_Xbee()
{
  char c = mySerial.read();
  
  if (c == '<')
  {
    readString = c;
    while (c != '>') 
    {
      if (mySerial.available() > 0) 
      {
        c = mySerial.read();
          readString += c;
      }
    }
    if (print_serial_message() == 1)
    {
      holdString = "";
      holdString = readString;
    }
    else
      readString = "";
  }
  processString();
}

void read_message_USB()
{
  char c = Serial.read();
  if (c == '<')
  {
    readString = c;
    while (c != '>') 
    {
      if (Serial.available() > 0) 
      {
        c = Serial.read();
        readString += c;
      }
    }
    holdString = "";
    holdString = readString;
  }
  Serial.print(holdString);
  processString();
}

void setup()
{
  Serial.begin(9600);
  mySerial.begin(9600);
  pinMode(4, OUTPUT);
  set_commands();
}

void loop()
{
  if (Serial.available() > 0)
  {
    read_message_USB();
  }
  else if (mySerial.available() > 0) 
  {    
    read_message_Xbee();
  }
  processString();
}