According to the documentation of the camera module you can use the parameter
-tl to take a picture every
x time, thus, with the parameter
-a, you can write in the image the date and the time, specifically with
It works with the first image but with the rest of images taked the date and time are always the same. I use raspistill in this way.
raspistill -w 640 -h 480 -vf -q 10 -o /home/pi/development/node_webserver/public/images/pic.jpg -tl 200 -t 9999999 -th 0:0:0 -a 12 -n &
Take picture every 200 ms but in all the version of the pic I obtain the same date and time.