Hi All,
I have just released a free & open source USB STAPL Player - a small device which may control multiple JTAG chains (up to 8, but only 2 implemented in current hardware) playing the STAPL (JAM) files. All information is available at
The design is heavily based on the wonderful PIC USB Framework (
The hardware is based on our didactical board:
This is the first release, so the design is not very clean yet, but it works (at least for me ;-) ). I hope, that you'll find it useful.