#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>

#define LCD_DEV "/dev/lcd"

char * lcd_clear = "\033?25l\033[2J\033H";

int lcd_say (char *str)
{
	int fd;

	/* open device */
	if ((fd=open("/dev/lcd",O_WRONLY)) == -1) {
		perror("Error opening " LCD_DEV);
		return 1;
	}

	/* cursor off, clear, home */
	write(fd, lcd_clear, 11);

	/* output everything */
	write(fd, str, strlen(str));

	if (close(fd) == -1) {
		perror("Error closing " LCD_DEV);
		return 1;
	}

	return 0;
};

int main(int argc,char **argv){
	if (argc < 2) {
		fprintf(stderr, "Usage: %s <str>\n", argv[0]);
		exit(2);
	}

	return lcd_say(argv[1]);
};