camtest prints device serial

Signed-off-by: Benn Snyder <[email protected]>

Author: piedar

examples/camtest.c

@@ -26,6 +26,7 @@
 #include <signal.h>
 #include <stdbool.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include "libfreenect.h"
 
@@ -92,6 +93,12 @@ int main(int argc, char** argv)
 		return ret;
 	}
 
+	{
+		char* serial = freenect_get_device_serial(fn_dev);
+		if (serial) printf("Found device with serial %s\n", serial);
+		free(serial);
+	}
+
 	// Set depth and video modes.
 	ret = freenect_set_depth_mode(fn_dev, freenect_find_depth_mode(FREENECT_RESOLUTION_MEDIUM, FREENECT_DEPTH_MM));
 	if (ret < 0)