can't transfer bytes array from pic18f4550 to another one using usart

 OpenUSART (USART_TX_INT_OFF &
             USART_RX_INT_OFF &
             USART_ASYNCH_MODE &
             USART_EIGHT_BIT &
             USART_CONT_RX &
             USART_BRGH_HIGH, 131);

static unsigned char send_dummy[4];
static unsigned char recv_dummy[4];

int n_recv = 0;
int n_send = 0;
int send_bytes( unsigned char* bytes, int len)
{
    int i = 0;
    int n = 0;
    for ( i = 0; i < len; i++)
    {
        while(BusyUSART());
        WriteUSART( bytes[i] ); // send byte
        DELAY_US_130
        n++;
    }

    return n;
}


int recv_bytes( unsigned char *bytes, int len)
{
    int i = 0;
    int n = 0;
    for ( i = 0; i < len; i++)
    {
      if ( DataRdyUSART() ) // is data aviliable in buffer?
        {
            bytes[i] = ReadUSART();
            n++;
        }else
        {
            // no data left return
            return n;
        }
     }

    return n;
}

// send load table
void send_lt(void)
{
    /* test values */
    send_dummy[0] = 0xD1;
    send_dummy[1] = 0xD2;
    send_dummy[2] = 0xD3;
    send_dummy[3] = 0xD4;
    n_send = send_bytes( send_dummy, sizeof(send_dummy));
}


void recv_lt(void)
{
    memset( recv_dummy, 0, sizeof( recv_dummy));
    n_recv = recv_bytes( recv_dummy, sizeof( recv_dummy));
       
   ....
}

the first main code
void main ()
{
   
    while(1)
    {
        // check if we have something to read
        if( DataRdyUSART() )

            recv_lt();
            send_lt();

        }
}

the second main

void main()
{
         send_lt();
         recv_lt();

         LED = ~(LED);
         DELAY_MS_500
}