Hi all, has anyone had success with adv_jtag_bridge connecting to Alteras development boards DE0, DE1 or DE2? The 'usbblaster' is built on to these boards, and thus-far I have been unable to connect ('Failed to find USB-Blaster') with adv_jtag_bridge.

I'm not clear if what I am trying to do is possible or not.

Regards, John B.

It should be possible. The error you are seeing basically means that libUSB enumerated all USB devices, but did not find one with the manufacturer / device ID combo it was looking for (09FB:6001). What are using for your development system?

If it's windows/cygwin, make sure you have a libUSB filter installed for the USBBlaster, then run the libUSB test program and see what devices it shows. If it shows a USBBlaster with a different ID, then you can change the ID in cable_usbblaster.c to match. If it shows nothing, then you need to set up libUSB correctly. If you don't know what it shows, send me the output and I'll take a look.

If you're using Linux, then I think "lsusb" will show all the USB devices in the system. Again, look for a USBBlaster and see if it's ID matches, and if you can't tell what's there, send me the output.

Thats great - it is now fine with the filter installed - many thanks for all your help.