I don't think we can. That's why I suggested relegating the
switches or jumpers to an external tool, and minimizing the on-board
logic to the bare capability to interrogate an off-board tool for
binary data. Then we don't have to guess at what finite number of
modes might be required, we can just give the system integrator or end
user access to the raw bits in the registers. Only the people who
want the external tool pay for it, and then they get unhindered
flexibility.
Ok, so perhaps we should design and sell an additional device that
let's one program these sorts of things.
What would the device be like?
Using 4 digits of 7seg display, few LED's to indicate a field in
modeline and a numeric keyboard, with arrows to move forw/back in the
fields. It could write via JTAG/SPI to a flash or act as a memory on SPI
(in fact it's a memory emulator) depending on the implementation.
The hardware ought to be inexpensive, but the volumes would be very
low. How much should it cost to the end user?
Making it here in CE in low volumes on a professional level: $20-30. So
sell it for $50-$100 ? Another question is:
- will it be a programmer (just configure the card's flash)
- will it be a memory emulator (needed at every boot?)
Daniel
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