View difference between Paste ID: 14hA9t2x and 87up0Dq4

 #include <stdio.h>
 #include <string.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <termios.h>
 #include <unistd.h>
 #include <xdo.h>
 #include <X11/Xlib.h>
 #include <X11/keysym.h>
 
-int open_serial(char *port);
+
-void close_serial(int fd);
+
 	sleep(1); //wait 1 second
 	printf("creating xdo...\n");
 	xdo_t* myXdo = xdo_new(NULL);
 	printf("xdo created...\n");
 
 	printf("getting display...\n");
 	// Obtain the X11 display.
 		Display *display = XOpenDisplay(0);
 		if(display == NULL)
 		{
 			printf("could not open display, exiting...\n");
 			return -1;
 		}
 
 	printf("getting root window...\n");
 	// Window focus
 		int revert;
 		Window winFocus;
 
 	while(1)
 	{
 		XGetInputFocus(display, &winFocus, &revert);
-	int fd = open_serial("/dev/ttyACM0");
+		xdo_keysequence_up(myXdo, winFocus, "A",  100);
-	if(fd == 0)
+		xdo_keysequence_down(myXdo, winFocus, "A",  100);
 		usleep(1000 * 1000);
-		printf("serial error, exiting...\n");
+
-		return -1;
+
 	printf("exiting...\n");
-	char buff;
+
-	unsigned int rd;
+
 	return 0;
 }