//
//DislayTest.cpp
//
#include <termios.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/signal.h>
#include <sys/types.h>

#define BAUDRATE B9600
#define device "/dev/ttyUSB0"
unsigned char ClearScreen[] = {254,88};
unsigned char backoff[] = { 0xFE, 0x46
//'a', 'b', 'c', 'd',
//'e', 'f', 'g', 'h',
//'i', 'j', 'k', 'l'
 };
unsigned char WelcomeMessage[] = {'H','e','l','l','o',' ','W','o','r','l','d','!'};

int main(int argc, char *argv[])
{
       struct termios term;
       //Open the serial port
       int lcd = open(device, O_RDWR | O_NOCTTY | O_NONBLOCK);

       //handle errors
       if (lcd < 0)
       {
               printf("Error opening serial port %s\n",device);
               return -1;
       }

       //Setup the serial port 8 data bits, no parity ,1 stopbit, no flow control
       term.c_cflag = BAUDRATE | CS8 | CSTOPB | CLOCAL | CREAD;
       term.c_iflag = 0;
       term.c_oflag = 0;
       term.c_lflag = 0;
       tcflush(lcd, TCIFLUSH);
       tcsetattr(lcd,TCSANOW,&term);

       //Write Welcome Message to the display
       //write(lcd,ClearScreen,sizeof(ClearScreen));
       //write(lcd,WelcomeMessage,sizeof(WelcomeMessage));
	write(lcd, backoff, sizeof(backoff));

       //Close the display
       close(lcd);
       return 0;
}

SerialPort sp = new SerialPort("COM24");
sp.BaudRate = 9600;
sp.StopBits = StopBits.One;
sp.DataBits = 8;
sp.Open();
foreach (int n in Enumerable.Range(1, 254))
{
    sp.Write(new byte[] { 0xFE, 0x98, (byte)n }, 0, 3);
    Thread.Sleep(10);
}
sp.Close();