Radios talking to each-other.

left-hand.ino

//send data routine
 
// link between the computer and the Serial Shield
//at 9600 bps 8-N-1
//Computer is connected to Hardware UART
//Serial Shield is connected to the Software UART:D2&D3 
 
// # LEFT /dev/tty.usbserial-A901N3TL

#include <SoftwareSerial.h>
 
SoftwareSerial Radio(8,9); // TX, RX
int buffer[64];
int count=0;

void setup()  
{
  Radio.begin(9600);         // the Serial port of Arduino baud rate.
  Serial.begin(9600);
 
}
int counter = 0;
void loop()
{
  delay(2000);
  //digitalWrite(13,LOW);
  
  digitalWrite(13, HIGH);
  
  Radio.print("COUNTER ");
  Radio.println(counter);
  digitalWrite(13, LOW);
  /* 
  Radio.print("TEST ");
  Radio.println(counter);
  */
  counter++;
  
}

right-hand.ino

//send data routine
 
// link between the computer and the Radio Shield
//at 9600 bps 8-N-1
//Computer is connected to Hardware UART
//Radio Shield is connected to the Software UART:D2&D3 

// # RIGHT /dev/tty.usbserial-A901N6CR

#include <SoftwareSerial.h>
const int BUFFERSIZE = 64;
SoftwareSerial Radio(8, 9); // TX, RX
int buffer[BUFFERSIZE];
int count=0;

void setup()  
{
  Radio.begin(9600);               // the Radio baud rate   
  Serial.begin(9600);             // the Serial port of Arduino baud rate.
 
}
 
void clearBufferArray()              // function to clear buffer array
{
  for (int i=0; i < BUFFERSIZE;i++)
    { buffer[i]=NULL;}                  // clear all index of array with command NULL
}

void loop()
{
  delay(1000);
  //Radio.write(0xAA);
  //Radio.write(0xFA);
  //Radio.write(0xE1);
 
  if (Radio.available())              // if date is comming from softwareserial port ==> data is comming from Radio shield
  {
    while(Radio.available())          // reading data into char array 
    {
      buffer[count] = Radio.read();
      if (count == 32) {
        break;
      } else {
        count++;
      }
    }
    
    for (int i=0; i < count; i++) {
      Serial.print(char(buffer[i]));            // if no data transmission ends, write buffer to hardware serial port
    }

    clearBufferArray();              // call clearBufferArray function to clear the storaged data from the array
    count = 0;                       // set counter of while loop to zero
  }
  //if (Serial.available())            // if data is available on hardwareserial port ==> data is comming from PC or notebook
  //  Radio.write(Serial.read());       // write it to the Radio shield
    
  Serial.println("...");
}