spacenavOSC/spacenavOSC.c

#include <stdio.h>
#include <stdlib.h>
#ifndef WIN32
#include <unistd.h>
#endif
#include "lo/lo.h"

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
// #include <X11/Xlib.h>


#include <spnav.h>

void sig(int s)
{
	spnav_close();
	exit(0);
}

int main(int argc, char *argv[])
{	
	const char * ip = NULL;
	const char * port = "8000" ;

	// handle cli arguments
	int opt;
	while((opt = getopt(argc, argv, "hi:p:")) != -1)  
    {  
        switch(opt)  
        {  
            case 'i':  
                printf("ip: %s\n", optarg); 
				ip = optarg ;
                break;  
            case 'p':  
                printf("port: %s\n", optarg); 
				port = optarg ; 
                break;  
			 case 'h':
                fprintf(stderr, "Usage: spacenavOSC -i 192.168.0.1 -p 8000\n"
                                "Options:\n"
                                "  -i         target IP, default to localhost\n"
								"  -p         target port, default 8000\n"
                                "  -h         print this message.\n"
                       );
                return 0;
            case ':':  
                printf("option needs a value\n");  
                return 0;
				break;  
            case '?':  
                printf("unknown option: %c\n", optopt); 
                return 0;
				break;  
        }  
    }  
      
    // optind is for the extra arguments 
    // which are not parsed 
    for(; optind < argc; optind++){      
        printf("extra arguments: %s\n", argv[optind]);  
    } 


	spnav_event sev;

	signal(SIGINT, sig);
	if(spnav_open()==-1) {
	  	fprintf(stderr, "failed to connect to the space navigator daemon\n");
		return 1;
	}

  	lo_address t = lo_address_new(ip, port);
	lo_send(t, "/spnav", "s","spnavOSC started");
  
	/* spnav_wait_event() and spnav_poll_event(), will silently ignore any non-spnav X11 events.
	 *
	 * If you need to handle other X11 events you will have to use a regular XNextEvent() loop,
	 * and pass any ClientMessage events to spnav_x11_event, which will return the event type or
	 * zero if it's not an spnav event (see spnav.h).
	 */
	while(spnav_wait_event(&sev)) {

		if(sev.type == SPNAV_EVENT_MOTION) {
			printf("got motion event: t(%d, %d, %d) ", sev.motion.x, sev.motion.y, sev.motion.z);
			printf("r(%d, %d, %d)\n", sev.motion.rx, sev.motion.ry, sev.motion.rz);
			lo_send(t, "/spnav/motion", "iiiiii",sev.motion.x, sev.motion.y, sev.motion.z, sev.motion.rx, sev.motion.ry, sev.motion.rz);

		  	
		} else {	/* SPNAV_EVENT_BUTTON */
			printf("got button %s event b(%d)\n", sev.button.press ? "press" : "release", sev.button.bnum);
			lo_send(t, "/spnav/button", "ii",  sev.button.press ? 1 : 0, sev.button.bnum);
		}
	}

	spnav_close();
	return 0;
}