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Re-reading my question, I realize I didn't actually mean a Nios II processor. (All this work with Altera tools lately has tied C to Nios in my mind) I wanted to move away from needing to run a tcl script in SystemConsole. For a clearer picture, the board I am working with only has a JTAG to USB connection to the connecting PC. I was hoping to use this connection to do reads/writes to the Avalon MM. Your tutorial accomplishes the second part of my goal but not the ability to not need the Altera toolset. I think your second answer where you talk about replacing this logic with C-code is what I need to do and have it run on my host computer.
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Both answers provide options. The question is, which is the least amount of work?
Does your board have GPIO pins connected to 100-mil headers? If so, then using an FTDI cable is by far the simplest solution.
If you really like beating yourself up, then I can give you some links to the reverse-engineered USB-Blaster protocol ... but honestly, the interface is not that fast, so it is a lot of work, for very little gain.
Which board are you using?
Cheers,
Dave
Honored Contributor
