Re: How do I add firmware to a card?

[Tristan Mumford <xtristan.xmumford@xgmail.xcom>]

Michael J. Mahon wrote:

> rg.jones@rogers.com wrote:
>> Hi Matt,
>> 
>> mdj wrote:
>> <snip>
>> 
>>>Of course, this isn't useful functionality in the development cycle,
>>>but it's handy post-production, since regular users could then "flash"
>>>their devices to handle the latest improvement.
>> 
>> 
>> I agree that would be a handy thing to have but don't most uC's need a
>> dedicated programmer?
>> 
>> Some uC's can be flashed over usb. The AT90USB1287 being one of them.
>> This has both a host mode and device mode in addition to being USB
>> flashable.
> 
> And some uC's contain "boot code" that allows them to program
> themselves over a serial port, for example.

That's true. Most of them seem to need an an initial programming with a
programmer to set up the custom bootcode. After that, depending on how your
bootloader is written it can interface anyway you want. Ie parallel, serial
etc.

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